tender no. nkcc/085/2017-2018 proposed … · in the tender document the following documents are...

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NKCC/085/2017-18 Proposed Sosiani Rehabilitation Works of UHT Stores

TENDER NO. NKCC/085/2017-2018 PROPOSED REHABILITATION

WORKS OF UHT STORES AT SOSIANI

NEWKCC FATORY

CLOSING DATE – 19TH JUNE 2018

AT 10.00 A.M.

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M/s …………………………………

………………………………………

………………………………………..

Dear Sirs,

RE: TENDER NO. NKCC/024/2017-18

PROPOSED REHABILITATION WORKS OF UHT STORES AT SOSIANI NEWKCC

FACTORY (Section 1)

You are hereby invited to submit a tender document for rehabilitation works of UHT stores at

Sosiani Newkcc Factory.

In the tender document the following documents are incorporated for your attention and action.

(i) A copy of form bond to be used.

(ii) List of works you have recently undertaken. (iii)Form of

tender to be filled by you.

(iv)Bid Security form (Tender Surety).

(v) Some of the preliminary notes which could influence your tender.

(vi)In the Bill of Quantities an item of General and Particular Preliminaries has been Included and

thus should be priced separately and be removed from the other items therein.

You are thus to tender for rehabilitation works of UHT stores at Sosiani Newkcc Factory.The

tender should be as per bill of quantities, specifications and drawings.

The site is located at Newkcc Sosiani Factory in Eldoret next to Newkcc Eldoret Factory.

The drawings for the works can be viewed at NKCC offices (Engineering Department) Creamery

House, Dakar Road during normal working hours.

Any clarification to the tender document should be forwarded in writing seven days before the

date of submission of the tender. Pn (a)

VISIT TO SITE

You are strongly advised to visit the site personally, check the extent of work and any other

factors/details which could influence your tender. Expenses incurred during such a visit will be met

by the tenderer and no claims will be allowed. ENSURE SITE VISIT CERTIFICATE IS SIGNED.

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The sites visits are scheduled 5th June 2018 & 6th June 2018 from 10.00 am to 12.00 noon and 2.00pm

to 4.00pm and all prospecting tenderers are expected to attend on the said date. Minutes will be

maintained and circulated within three days of the final meeting. Tenderers will also be required to fill in the site visit certificate form attached to the tender document

and come with it to site during site visit so that its stamped and signed by NEWKCC signatories.

The Contact person is the Factory Engineer.

TYPE OF MATERIAL

Mostly the materials to be used will as specified in the BQ and other specification but mostly natural

stones ,normal roofing materials, sanitary, reinforcement, etc as need be .

CONTRACT

If your tender is successful you will be required to sign a contract with NEW KCC LTD and provide

a 10% Performance Bond in form of a Bank Guarantee from a reputable Bank. The period of

validity of Performance Bond will be stipulated in the contract together with other necessary

conditions.

The performance security shall be denominated in Kenya shillings and shall be in the form of;

a) Cash

b) Bank guarantee

c) Such insurance guarantee approved by the Authority

d) Letter of credit

ACCEPTANCE OF TENDER

NEW KCC LTD is not bound to accept the lowest or any tender.

EXTRA DETAILS

Contractor to attach detailed specification/information which in his view will assist him to

successfully complete the work. Details of such information should not be assigned cost since all

prices/rates should be within the Bill of Quantities. Contractor to note requirements detailed in

prequalification document

Contractors should be registered with National Construction Authority NCA 5 and above.

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INVITATION TO TENDER Tenders are invited from interested and eligible firms/suppliers to submit sealed bids for the following:

Tender number Description

Bid

security

(Ksh)

Site visit Eligibility Closing/

opening

Date

NKCC/085/2017-18

Proposed

Rehabilitation

Works of UHT

Stores at Sosiani

Factory

250,000.00

5th & 6th June

2018

Open 19th June

2018 at

10.00 a.m

NKCC/086/2017-18

Supply, Installation

and

Commissioning of

Crate Washing for

Dandora Factory

150,000.00

29th/05/2018

30th/05/2018

Open

12th June

2018 at

10.00 a.m

NKCC/087/2017-18

Provision of

Vehicle tracking

services

50,000.00

N/A Open 12th June

2018 at

10.00 a.m

NKCC/088/2017-18

Provision of Group

Life Policy Cover,

Group Personal

Accident Policy

Cover & Work

Injury Benefit ACT

Insurance Policy

Cover

300,000.00

N/A

Open

12th June

2018 at

10.00 a.m

NKCC/063/2017-18

Supply and

delivery of plastic

milk bottles (Re-

advert)

50,000.00

N/A

Open 12th June

2018 at

10.00 a.m

NKCC/089/2017-18 Provision of Cloud

Based disaster

Recovery Services

500,000.00

N/A

Open 12th June

2018 at

10.00 a.m

NKCC/090/2017-18 Provision of

Automated Sales

Management

300,000.00

N/A

Open 12th June

2018 at

10.00 a.m

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System

NKCC/091/2017-18 Supply, Installation

& Commissioning

of Eldoret Factory

LAN Network

Cabling

100,000.00

29th/05/2018

30th/05/2018

Open

12th June

2018 at

10.00 a.m

PREQUALIFICATIONS

NKCC/066/2018-19

Prequalification on

provision Legal

Services

N/A

N/A

Open 5th June

2018 at

10.00 a.m

NKCC/067/2018-19

Prequalification of

Supply of Office

Furniture

N/A

N/A

Youth/Women 5th June

2018 at

10.00 a.m

Complete tender/Prequalification documents with detailed information may be obtained from the Office of the

Head of Procurement, New KCC Ltd, Dakar Road off Enterprise Road between 9.00 a.m. to 4.00 p.m, upon

payment of a non-refundable fee of Kshs. 1,000/- (Kshs. One Thousand only) per tender document, paid in cash

or Bankers Cheque. Prospective bidders may also download the tender documents from

http://supplier.treasury.go.ke free of charge and New KCC Website (www.newkcc.co.ke). Bidders are required

to send/e-mail their names and contact details to: [email protected].

Tenders must be accompanied by a Bid Security as specified above. The bid security should be valid for 120 days

from the tender closing/opening date and in form of either bank guarantee, cash, Insurance Company Guarantee, a

Letter of Credit, or Guarantee by a Deposit taking Microfinance Institution, Sacco Society, the Youth Enterprise

Development Fund or the Women Enterprise Fund.

Completed tender documents in plain sealed envelope clearly marked with Tender Number and Description should

be addressed to:

The Managing Director

New KCC Ltd

P.O. Box 30131-00100

Nairobi

To be received not later than 10.00 a.m on the closing /opening date shown above.

MANAGING DIRECTOR

For enquiries email:[email protected]

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PART I

TECHNICAL BID

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LIST BELOW WORKS RECENTLY UNDERTAKEN AND COMPLETED OF

SIMILAR NATURE AS REQUIRED

MINIMUM: 3 Major works (NKCC may demand a visit to verify information

given

NO.

NAME & ADDRESS OF CLIENT

/CONSULTANT/DATES

WORK DONE

TOTAL

COST

(KES)

MATERIALS

USED

1.

2.

3.

4.

5.

6.

NOTE CONTRACTOR TO ATTACH LIST OF TECHNICAL PERMANENT

STAFF IN THE EMPLOYMENT. ALSO EQUIPMENTS FOR SUCH WORKS.

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ONLY CONTRACTORS REGISTERED WITH NATIONAL CONSTRUCTION

AUTHORITY NCA 6 AND ABOVE WILL BE CONSIDERED

APPENDIX I - QUALIFICATION EVALUATION CRITERIA AND

MARKING SCHEME

MANDATORY REQUIREMENTS.

All the following requirements to be met otherwise tenderer’s bid will be disqualified: -

1. Certificate of incorporation.

2. Valid business permit.

3. Valid tax compliance certificate.

4. National construction authority registration category 6 and above.

5. Confidential Business questionnaire form SS3 duly completed form of tender

security duly completed

6. Power of Attorney for tender and contract signatory for both joint ventures and non-

joint ventures.

7. Bid bond of Kshs 250,000.00

8. Site visit certificate duly signed by the Factory Engineer.

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TECHNICAL EVALUATION

EVALUATION FACTORS MAXIMUM

MARKS

1.0 PAST PERFORMANCE AND TRACK RECORDS 100

1.0 Construction Experience on Relevant project

Experience in major rehabilitation works to a building or

buildings/civil/steel works at least 4 projects.

(Evidence by award letter, Local purchase orders and contacts)

30

1.1 Duly signed recommendation from 5 Referees worked for

Past clients (Government Ministries or corporations, banks

or NGOs)

5

2.0 AVAILABLE RESOURCES FOR THE PROJECT

2.10 Personnel Resources

Staff qualification. Technical personnel to be engaged in

the design & construction works accompanied by C.V.s

(Minimum of 5 key staff each 2 marks)

10

2.20 Organization plant and Equipment

Adequacy of the Construction Equipment proposed for the

works

5

2.30 Financial Resources –Provide 5yrs Audited accounts 20

3.0

Prop

osed

Work

Meth

odol

ogy

5

Proposed Work Methodology

10

4.0 Provide completion certificates Minimum of 5 projects each 4 marks.

20

PASSMARK 80/100

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NKCC/085/2017-18 PROPOSED REHABILITATION OF UHT STORES AT SOSIANI

NOTES ON RESPONSE EVALUATION

The evaluation will be made on the basis of the evaluations of applicant responses as

contained in the application.

The procuring entity will review the information form the applicant as provided in the

pre qualification documents submitted and rank the applicant performance on merit of

highest weighted marks.

The performance will be evaluated and marks awarded on each evaluation factor as

shown on the evaluation criteria.

This relative weight given on each factor is given as maximum scores on that factor.

Total maximum score on all the factors shall be maximum 100 marks

The applicant with 80 and above will be considered for the financial evaluation and

analysis. The applicants with marks less than 80 will be disqualified for financial

evaluation.

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ITEM DESCRIPTION KSHS.

PRELIMINARY NOTES:

Below are some of the General and Particular Preliminary notes which

could influence the tender on the aspect of preliminary to be inserted in

Bill of Quantities.

A. CONTRACT AGREEMENT The form of contract to be signed will include all documents and

specifications where Bill of Quantities are part of the contract

The insertion to the appendix will be as follows: -

Period of final measurement - 3 months from practical completion

of works.

Defects liability period - 6 months from practical completion

but bond to be valid for one year.

Liquidated and ascertained - at a rate of Kshs10,000 per

damages calendar week or part thereof.

Period of Interim Certificate - Monthly. But could be shorter

depending on performance on site.

Period of honoring - 14 to 30 days.

Certificate

Minimum payment of - Kshs.1, 500,000.00

Certificate.

Percentage of certified - 10%

value retained

Limit of retention fund - 10%

B. FLUCTUATION

This contract will have no fluctuations and the tenderer is asked to

allow for any material and labour cost escalation during the

construction period.This will be a fixed price contract

Total Pn

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A.

B

C

D

E

BOND

A bond of 10% of the contract sum will be required in accordance with

of conditions of contract.

INSURANCE

Allow for insurances as defined in the conditions of contract. Contractor

should have all risk insurance policy which is valid.No payment will be

effected before this condition is met and maintained.

LABOUR CAMPS

Labour camps will not be permitted on site. The contractor to allow for

transporting labor to and from site.

EMPLOYER

The employer is New Kenya Co-operative Creameries Ltd., New Kenya

Co-operative Creameries Ltd., Engineering Manager, Architect, Quantity

Surveyor, where used in any contract document shall be synonymous.

FORM OF CONTRACT

.A copy of contract agreement, form of bond, drawings, maybe seen at the

offices of NEW KCC LTD, Dakar Road, Industrial Area, Nairobi, on any

working day until the time appointed for the submission of tenders.

In the contract agreement/documents and the Bills the terms Architect/

Engineer and Quantity Surveyor are deleted and replaced by Engineering

Manager, NEW KCC LTD.

TOTAL

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A If the contractor considers that compliance with any of the conditions of contract which the headings are set out hereunder involves expense

to him which is not included elsewhere in his prices he shall set

down/insert such prices in General and Particular Preliminaries

Section.

Conditions:

1. Contract obligations

2. Architect’s Instructions

3. Contract documents

4. Statutory obligations notices fee and charges

5. Levels and setting out of the works

6. Materials, goods and workmanship to conform to description,

testing and inspection

7. Royalties and patent rights

8. Foreman in charge

9. Access for Architect to works

10. Clerk of works

11. Variation, provisional and prime cost sums

12. Contract Bills

13. Contract Sums

14. Unfixed goods and materials

15. Practical completion and defects liability

16. Sectional completion

17. Assignment or sub-letting

18. Injury to persons and property and employer’s indemnity

19. Insurance against injury to persons and property

20. Insurance of works against fire, e.t.c.

21. Damages for non completion

22. Possession, completion and postponement

23. Extension of time

24. Loss and expense caused by disturbance of regular progress of the

works

25. Determination by employer

26. Determination by contractor

27. Nominated sub-contractor

28. Nominated supplier

29. Artists and tradesman

30. Certificates and payments

31. Bond

32. Fluctuations

33. War damages

34. Antiquities

35. Arbitration

Total pn

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A

B

C D

E

BOND The Contractor shall find and submit on the form of tender the name of

one surety who shall be an establishment bank, insurance company or

fidelity guarantee corporation and who will be willing to be bound to

NEW KCC LTD in an amount equal to ten percent of the contract for

the due performance of the contract up to the date of completion as

certified by the Architect and who will when and if called upon, sign a

bond to that effect on form of bond. (Without the addition of any

limitations) on the same day as the contract agreement is signed. In the

event of the surety name in the form of tender not being approved by

the employer the contractor shall furnish within seven days another

surety to the approval of the employer.

PLANT, TOOL AND VEHICLES

Allow for providing all scaffolding, plant, tools and vehicles required

for the works except in so far as maybe stated otherwise herein.

TRANSPORT

Allow for transport of workmen, materials, e.t.c. to and from the site at

such hours and by such routes as maybe permitted by the competent

authorities.

MATERIALS AND WORKMANSHIP

All materials and workmanship used in the execution of the works

shall be of the best quality and description unless otherwise described.

The contractor shall order all materials as early as necessary to ensure

that they are on site when required for use in the works. The Bill of

Quantities shall not be used for the purpose of ordering materials.

CONTRACT SUM

Any arithmetic errors noted, the contract sum will not be altered but a

percentage of the error will be determined (plus or minus) and be

applied to all measured work excluding preliminaries and PC sums

Total pn

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A

B

C

D

SIGN FOR MATERIALS SUPPLIED

The Contractor will be required to sign a receipt for the articles and

materials supplied by the Architect at the time of taking delivery

thereof as having received them in good order and condition, and will

thereafter be responsible for any loss or damage and for replacements

of any such loss or damage with articles at current market prices

including customs duty, all at the contractor’s own cost and expenses

to the satisfaction of the Architect.

SECURITY OF WORK E.T.C.

The contractor shall be entirely responsible for the security of all

works, stores, materials, plant, personnel, e.t.c. both his own and sub-

contractor’s and must provide all necessary watching, lighting and

other precautions as necessary to ensure security against theft, loss or

damage and protection of the public.

EXISTING PROPERTY/FACTORY OPERATIONS

The contractor shall take every precaution to avoid damage to all

existing property including roads, cable, drains and other services, and

he will be held responsible for and shall make good all such damage

arising to the satisfaction of the Architect. Operations in the

organization will be going on and interferences should be minimal.

Co-ordinate with NKCC management all the time.

VISIT SITE AND EXAMINE DRAWINGS

The contractor is recommended to examine the drawings and visit the

site the location of which is described in the particular preliminaries

hereof. He shall be deemed to have acquainted himself therewith as to

its nature, position means of access of any other matter which may

affect his tender. No claim arising from this failure to comply with this

recommendation will be considered.

TOTAL

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A

B

B

C D

AREA TO BE COVERED

The area of the site which maybe occupied by the contractor for the

use of storage and for purpose of erecting workshops, e.t.c. shall be

defined on site by the Architect.

SUPERVISION AND WORKING HOURS

The works shall be executed under the direction and to the entire

satisfaction in all respect of the Architect who shall at all times during

normal working hours have access to the works and to the yards and

workshops of the contractor and sub-contractors or other places where

work is being prepared for the contract.

The working hours shall be those normal hours generally worked in

building and civil engineering trades in Kenya. No work shall be

carried out at night or gazetted holidays unless the Architect shall so

direct.

PROVISIONAL SUMS

The term “provisional sum” wherever used in these bills of quantities

shall have the meaning stated in section A item A7(i) of SMM

mentioned in conditions of contract. Such sums are net and no

addition shall be made to for profit.

PRIME COST (OR P.C.) SUMS

The term “prime cost sum” wherever used in these bills of quantities

shall have the meaning stated in section A item A7(I) OF SMM

mentioned in condition No. 12 of the conditions of contract.

Persons or firms nominated by the Architect to execute work or to

provide and fix materials or goods as stated in condition No. 27 and 28

of conditions of contract are descried herein as nominated sub-

contractors. Persons or firms so nominated to supply goods or

materials are described as nominated suppliers.

P.C sums ,provisional sums and contingency sums will be expended

with written authority of NKCC

TOTAL

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A

B

C

PROVISIONAL WORK

All works described in these bills of quantities is ‘provisional’ and

subject to final measurement in order to ascertain the actual quantity

executed for which payment will be made. Final account to consider all

anomalies, discrepancies, errors in the BQ and interim payments if any.

All “provisional” and other work liable to adjustment under this contract

shall be left uncovered for a reasonable time to allow all measurements

needed for such adjustment to be taken by the Architect immediately the

work is ready for measuring, the contractor shall give notice to the

Architect.

If the contractor makes default in these respects, he shall if the Architect

so directs uncover the work to enable all measurements to be taken and

afterwards reinstated at his own expense.

ALTERATIONS TO BILLS, PRICING, E.T.C.

Any unauthorized alteration or qualification made to the text of the bills

of quantities may cause the tender to be disqualified and will in any case

be ignored. Any missing page or information should be reported for

clarification seven days before submission of tender in writing.

The contractor shall be deemed to have made allowance in his prices

generally to cover any items against which no price has been inserted in

the priced bill of quantities.

PROTECTION OF THE WORKS AND SITE

Provide protection of the whole works contained in the bills of

quantities, including casing up, covering, hoarding or such other means

as may be necessary to avoid damage to the satisfaction of the Architect

and remove such protection when no longer required and make good any

damage which may nevertheless have been done at completion free of

cost to the employer

TOTAL

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A B

C

D

REMOVE OF RUBBISH E.T.C.

Remove all rubbish and debris from the building and site as it

accumulates and at completion of the works and remove all plant,

scaffolding and unused materials at completion. Clean and flush all

gutters, down pipes, e.t.c. to satisfaction of the engineer.

FIRM PRICE CONTRACT

Unless otherwise specifically stated in particular preliminaries, this is a

firm price contract and the contractor must allow in his tender for any

increase in the cost of labor and/or materials during the currency of the

contract. No claim for increased costs will be allowed arising from

fluctuations in duties as defined in of the conditions of contract.

MATERIALS ON SITE

All materials for incorporation in the works must be stored on or adjacent

to the site before payment is effected unless specifically exempted by the

Architect. This is to include materials from main contractor, nominated

sub-contractors and nominated suppliers. Payment will be done for only

materials timely delivered on site and not

otherwise. Materials on site payment to be vetted carefully in advance.

CONTRACT CURRENCY TO BE ADOPTED

All the works will be priced in Kenya Shillings and be in use during the

whole period of the contract. No foreign currencies will be used and

thus fluctuations due to their market changes will not be accepted after

the award and during the 90 days in which the tender is valid.

TOTAL

TOTAL COST FOR GENERAL & PARTICULAR PRELIMINARIES

CARRIED TO SUMMARY PAGE

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SPECIFICATIONS STRUCTURAL STEELWORK

PART 1

STRUCTURAL STEELWORK (section 2)

1.1 General Requirements

Unless otherwise specified on the drawings or described in the specification, all

steelwork shall comply with the requirements of BS part 2: 1969 “The Use of

structural Steel in building” Including the current addenda and BS 2853:

1957 the design and testing of steel overhead runaway beams.

1.2 Drawings

Two copies of all shop drawings by the contractor shall be submitted to the

Architect for his approval, but this approval shall in no way relieve the

Contractor of his responsibilities for the work under the Contract and the

Contractor shall be fully responsible for ensuring that the details and

workmanship result in correct assembly of the work. These drawings shall be

submitted to the Architect in sufficient time for any amendments to be

incorporated in the works.

No variations or alterations from the approved shop drawings and this

specification shall be permitted without the written consent of the Architect.

1.3 Substitution of Materials

No substitution of materials or section sizes shall be permitted without the

express written permission of the Architect. Notification of any substitutions

offered by the Contractor shall be made within 28 days after the award of the

Contract.

1.4 Testing Laboratory

Testing of materials is to be carried out at the Contractor’s expenses at a

testing laboratory as approved by the Architect.

SS

1.5 Inspection

The Contractor shall give the Architect ample notice of the beginning of the

work w h e r e steel work is being fabricated and at all places where materials

for the work are being manufactured or from which the y are being supplied. No

material shall be manufactured or work done in the shop before the Architect has

been so notified.

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The contractor shall supply the Architect with copies of the ordering list of all

materials which are obtained from rolling mills and shall also supply test

sheets for such materials. Lists of materials to be obtained from stock with the

name of manufacturers shall be supplied. If test sheets for these materials are not

available, the Contractor may be required to dispatch sample pieces as directed

to an approved laboratory. In this case the Contractor is required to provide the

sample pieces free of charge and pay the carriage to the testing work. The

decision of the Architect as to the acceptance or rejection of the materials in view

of reports obtained from the testing works shall be final. The Contractor shall

bear the cost of all test, materials and workmanship.

MATERIALS

1.6 Structural Steel

Unless otherwise specified structural mild steel shall comply in all respects

with requirement s of BS 4360 Grade 43A.

Hot rolled Hollow sections shall comply with the requirements of BS 4360,

43C.

The dimensions of all structural rolled shapes except angles, the form, weight,

tolerance etc., shall conform to the requirements of BS 4: “Structural steel

sections, part 1 Hot rolled sections” including current addenda. Angles shall

comply with BS 4848 part 4 1972

Rectangular hollow sections shall conform to the requirements of BS 4848 part 2: 1975 “Hot –rolled Hollow Sections”

Cold formed zed purlins shall have a minimum yield stress of 200 N/ mm2.

1.7 Bolts, Nuts and Washers

Mild steel black bolts and nuts shall conform to the requirements of BS 4190:

“Black Bolts and Nuts” Washers shall comply with the requirements of BS

4320 “Black Washers”

SS

1.8 Electrodes

Electrodes shall conform to the requirements of BS 639: “Covered Electrodes

for the Manual Metal Arc Welding of Mild Steel”

1.9 Painting

Primer: All members will be shop painted with one coat of Red Lead Graphite

Primer, applied by brush employing a crisscross technique of semi- matt finish

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and suitable to provide a key for subsequent paint coating. (subject to clause

511)

Thinning if required, shall be done with mineral turpentine up to 15%

Method of application, surface preparation, drying time as well as any other

requirement shall be done in accordance with the manufacturer’s specification.

Shop painting shall be done after fabrication and within the specified time

after the metal surface have been cleaned. Any damage to he surface from

weather or other exposures should be avoided. Shop contact surfaces shall not

be painted unless specified. Unless otherwise specified, surfaces to be in contact

only after erection shall be painted except where the paint may interfere

with assembly.

The surfaces not to be in contact but which are inaccessible after assembly

shall receive three shop coats of the specified primer before assembly.

The areas of steel surfaces to be in contact with concrete shall not be painted.

Application of the primer shall be by brush employing a crisscross technique.

Paint shall be worked into all crevices and corners and all runs or sags shall be

brushed out. There will be a minimum of brush marks left in the applied paint.

FABRICATION

1.10 General

Structural Material, either plain or fabricated, shall be stored at the fabrication

shop above the ground on platforms, skids or other supports. It shall be kept free

from dirt, grease or other foreign matters and shall be protected as far as is

practicable from corrosion.

SS Structural sections before being worked must be straight. If straightening is necessary, it shall be done by methods that will not injure the Metal and sharp

kinks and bends shall be cause of rejection of the material.

Finished members shall be true to line and free from twists, bends and open

joints.

The ends of lacing bars shall be neatly rounded unless another form is

required.

The bearings shall be accurately machined square with the axis so that the

parts connected shall butt over the entire surface of contact.

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Slab bases and base plates shall be in one solid piece accurately machined

over bearing surfaces and shall be in effective contact over the whole areas.

Unless otherwise instructed a bearing face which is to be grouted directly to a

concrete foundation need not be machined if the bearing surface is true and

parallel to the machined upper face.

1.11 Holes and Bolted Connections

All holes punched or drilled, shall be drilled (punched) so that before any

reaming is done, a cylindrical pin 3 mm smaller in diameter than the normal

nominal size of the hole may be entered normal to the face of the member,

without drifting, in at least 75% of the contiguous holes in the same plane. If the

requirement is not fulfilled the badly drilled (punched) pieces will be rejected.

If any hole will not pass a pin 5 mm smaller in diameter than the nominal

size of the hole, a steel member having such a hole will be rejected.

When all holes are reamed or drilled, 85% of the holes in any contiguous

group shall, after reaming or drilling, show no offset greater that 1 mm

between adjacent thicknesses of metal.

The drifting done during assembling shall be only such as to bring the parts into

position and not sufficient to enlarge the holes or distort the metal. If any hole

must be enlarged to admit the bolt it shall be reamed.

Holes shall be truly cylindrical. The size of holes shall be 2mm greater than

the nominal diameter of the bolts unless otherwise specified, and shall make a

driving fit with the bolts. Holes shall be at right angles to the surface of the metal

so that both head and nut will bear squarely against the metal. Bolts shall be

driven accurately into the holes without damaging the thread.

The heads and nuts shall be drawn tight against the work with a suitable wrench.

Bolt heads shall be tapped with a hammer while nuts are being tightened. All

bolts shall have threads neatly and accurately finished. If for any reason the bolts

twist before drawing tight, the hole shall be carefully reamed and the bolt

replaced with a new one of diameter to fit properly in the hole.

Nuts shall closely fit the bolts so that they can only just be turned by hand.

Bolts shall show two clear threads and shall have one washer under the nuts

unless otherwise specified. The threaded portions of the bolts shall not bear upon

the thickness of the metals connected. SS

1.12 Flame Cutting

The flame cutting procedure shall be carried out to the satisfaction of the

Architect. The edges resulting from manual flame cutting shall be smoothed with

special care. All the re-entrant corners shall b filleted to a radius of at

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least 20 mm. The cut lines shall not extend beyond the fillet and all cuttings shall

follow closely the lines prescribed. No site flame cutting shall be done without

the permission of the Architect.

1.13 Fitted Stiffeners

Stiffening angles or plates to brackets, flanges, etc., shall be accurately ground

to fit the profile of the stiffened member.

1.14 Welding

Welding and welded work shall conform to the requirements of BS 5135: 1974

“specification for metal Arc Welding of Carbon and Carbon Manganese Steels”

unless otherwise specified.

Surfaces to be welded shall be smooth, uniform and free from fins, tears and other

defects which would adversely affect the quality of the weld. Surfaces to be

welded shall also be free from loose scale, slag, rust, grease or other materials that

will prevent proper welding, Mill scale that withstands vigorous wire brushing

may remain.

Welds shall not be in excess of those specified by design requirements and shop

drawings nor shall their location be changed without approval of the Architect.

The Contractor shall before commencement of the fabrication, submit to the

Architect for his approval a list of qualified welders who shall carry out welding

operations and shall certify that such welders have been doing satisfactory

welding or similar structural work for at least 6 months immediately prior to the

subject work. When required by the Architect, the tests as laid down in the BS

4871 specification shall be carried out. The test specimen shall be supplied and

forwarded free of charge and all testing shall be paid for by the Contractor.

If in the opinion of the Architect, the microscopic inspection is not sufficient

to establish the quality of the fully penetrated butt-welds, the contractor shall

provide for such welds to be inspected by x-ray, Ultrasonic or any other

method as directed by the Architect. Any such inspections shall be paid for by

the Contractor. SS

Any weld or member showing defective and sub-standard workmanship shall be

rejected.

The parts to be joined by fillet welds shall be brought into as close contact as

practicable and in no event shall be separated more than 2 mm. If the

separation is greater than 2 mm, the leg of the fillet weld shall be increased by

the amount of separation.

The fit of joints which are not sealed by welds through-out their length shall

be sufficiently close to exclude water after painting.

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Abutting parts to be joined by butt welds shall be carefully aligned.

Measurement of offset shall be based upon centre line of parts unless

otherwise shown on the drawings. Unless otherwise described, all butt welds

shall be fully penetrated butt welds made fusion faces.

The general welding program me for shop and site welding including particulars

of the preparation of fusions faces, the methods of making the welds and

the types of electrodes shall be submitted to the Architect for his approval

before commencement of the work.

Members to be welded shall be brought into correct alignment and held firmly

in position by bolts, clamps, struts or by tack- welds until welding has been

completed. The use of jigs is preferable and adequate allowance shall be made

for warp age and shrinkage. Tack-welds that are to be incorporated in the final

welds shall be subject to the same quality requirements as the final welds.

Such tack-welds shall be as small as practicable and shall be cleaned and fused

thoroughly with the final weld.

Defective, cracked and broken tack-welds shall be removed before final welding.

Welding shall be carried out only under the direction and supervision of an

experienced, competent and qualified supervisor. Unless otherwise agreed by the

Architect, a record shall be kept to enable major welds to be identified with

the welders responsible for the work.

Before welding over previously deposited metal the slag shall be removed and

the weld and adjacent base metal shall be brushed clean. This requirement

shall apply

not only to successive layers but also to successive beads and to the crater

areas when welding are resumed after any interruption.

All butt-welds, except when produced with the aid of backing-plates, shall

have the root of the initial weld gouged, chipped or otherwise removed to sound

metal before welding is stated from the other side. Butt-welds made with the

use of backing-plates of the same material as the base metal shall have the

weld metal thoroughly fused with the backing. SS

Butt-welds shall be extended beyond the edges of the parts to be joined by means

of extensions providing a similar joint preparation and having a width not less

than 30 mm.

Each weld pass shall be terminated at least 20 mm from the edge of the parts

to be joined. Extensions shall be removed upon completion and cooling the weld

and the ends of the weld shall be made smooth and flush with the edges of the

abutting parts.

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Neither the depth of fusion nor the total width of fusion at any point in a single

weld or weld pass shall exceed the width of the face of the weld or pass.

The welding current, the arc voltage, the speed of travel shall be such that each

pass shall have complete fusion to adjacent base metal and weld metal and that

there will be no overlap of undue undercutting.

When welding current, arc, voltage, speed of travel and type of electrode to be

used are established by a test, they shall be kept within the following limits of

- Welding current + or – 10%

- Arc Voltage + or - 7%

- Speed of travel + or - 10%

1.15 Correction in Welding

In lieu of the rejection of an entire piece of member containing welding which

is unsatisfactory or indicates inferior workmanship, the Architect may permit

the Contractor to apply the corrective measures, and such approval shall be

entirely at the Architect’s discretion.

1.16 Cambering

Each truss shall be cambered according to requirement. A camber diagram

shall be submitted to the Architect showing the camber at each panel point for

each truss taken from actual measurement while the truss is assembled.

1.17 Preparation of surface to receive paint

Surfaces of metal to be painted shall be thoroughly cleaned by removing rust,

loose mill scale, welding slag, dirt, oil, grease and other foreign substances.

Any of the following methods may be employed.

- Solvent cleaning ( Method A)

- Power tool cleaning (Method B) SS

- Blast cleaning to BS 4232 (Method C)

- Hand tool cleaning ( Method D)

The blast cleaned surface shall be examined for any traces of oil, grease or

smudges deposited in the cleaning operation. If present, they shall be removed

with white spirit or other solvent.

Cleaned metal surfaces shall be protected within the following periods:-

- Method A and D – 6 hrs

- Method B and C – 4 hrs

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A sample of steel panel measuring not less than 150 x 150 x 6 mm, cleaned using

any of the specified cleaning methods approved by the Architect, shall be

adequately protected by sealed clean polythene wrapping and submitted to the

Architect for his approval before any work is put in hand. The approved sample

shall then be retained by the Architect’s inspectors for comparison with the

prepared steelwork.

Paint shall not be applied in fog, mist or rain, or when the relative humidity

exceeds 85%. Paint shall not be applied to wet or damp surfaces.

No thinner shall be added to the paint unless necessary for proper application.

The type of thinner shall comply with the paint specifications.

When the use of thinner is permissible, thinner shall be added to the paint during

the mixing process. Painters shall not add thinner to paint after it has been

thinned to the correct consistency.

All thinning shall only be done by the painting supervisor who shall be well

acquainted with the paint specifications and with the paint application.

Painted steel shall not be handled until the paint has dried-out except for

necessary handling in turning for painting or stacking for drying. Paint which

is damaged in handling, storing. Loading and off-loading, transport and erection

shall be scraped off to bare metal with sand paper and touched up with the

same kind of paint as was previously applied to the steel, by at least

50 mm all round the affected parts.

1.18 Assembly and Erection

Prior to erection, the Contractor shall check all levels, alignments and

positions of the concrete bases and anchoring holes and bolts. Prior to the

dispatch of any steel work to site, advice notes shall be sent to the Architect.

The Contractor shall provide the false work and all tools, machinery and

appliances necessary to complete the structure as required by the Contract and

in accordance with the drawings, specification and time schedule. SS

Anchor bolts, plates, etc., to be built into the foundations shall be fabricated

and delivered to site sufficiently in advance of the other steelwork to enable

the Contactor to build these items into the works in accordance with schedule of

the works.

Materials to be stored at site shall be placed on skids above the ground and

shall be kept clean. Long members shall be supported on skids placed near

enough together to prevent injury from deflection.

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The parts shall be carefully and accurately assembled as shown on drawings and

any match-marks shall be followed. The materials shall be carefully handled so

that no parts will be bent, broken or otherwise damaged. Hammering which will

injure or distort the members shall not be done. Bearing surfaces and surfaces

to be in permanent contact shall be cleaned before the members are assembled.

The straightening of plates and angles or other shapes shall be done by

methods not likely to produce fracture or other injury. The metal shall not be

heated unless permitted by the Architect, in which case the heating shall not be

to a higher temperature than that producing a “dark cherry red” colour. After

heating the metal shall be cooled as slowly as possible and the surface of the

metal shall be carefully inspected for evidence of fracture.

Before starting the work of erection, the Contractor shall inform the Architect

fully as to the method of erection he proposes to use which shall all be subject

to the approval of the Architect. Such approval shall not be considered as

relieving the Contractor of the responsibility for the safety of his method or

equipment or from carrying out the works in full accordance with the

drawings, specifications and time schedule.

The Contractor shall agree with the Architect the sequence of assembly and

erection of the steelwork in order that this may conform to the program me of

other constructural operations. No work shall be done until such approval by the

Architect has been obtained.

Bolted site joints shall not be finally tightened until the structure is properly

plumbed, leveled and aligned. No straining into position after bolts have been

finally tightened shall be allowed.

Immediately after final tightening of all bolted connections all anchor holes

and column bases shall be grouted to the satisfaction of the Architect.

1.19 Measurement

The weight of steel to be paid for shall be the weight of steel in the completed

and accepted structure. SS

If the Contractor chooses to substitute, with the approval of the Architect an

alternative steel section to that specified in the Contract drawings, then any

resulting increase in weight over and above that indicated in the Contract

Drawings shall be paid for by the Contractor.

For the purpose of measurement for payment, steel, plates, bolts (including

anchor bolts), nuts, weld metal and other similar items shall be considered as

structural steel. Such items shall be considered as structural steelwork and

shall be decided by the Architect whose decision shall be final.

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NKCC/085/2017-18 Proposed Rehabilitation works of UHT Stores at Sosiani New KCC

Unless otherwise specified the weight of steel paid for shall be computed and

based upon a material density of 7850 (seven thousand eight hundred and

fifty) kilograms per cubic meter.

The weight of steel shapes and plates will be computed on the basis of their

nominal weights and dimensions as shown on the approved shop drawings,

deducting for copes, cuts and open holes, exclusive of bolt holes.

The weight of erection bolts other than those specified in the Contract Drawings,

shop field paint, galvanizing, and temporary supporting members shall be

excluded from payment.

The weight of shop and fillet shall be assumed as follows:-

Size of weld Kilograms/ Meter

6 mm 0.298

8 mm 0.372

9.5 mm 0.521

The weight of other welds shall be computed on the basis of the theoretical

volume from dimensions of the welds, with an addition of 50 per cent of the

weight as an allowance for overrun.]

The quantities of other contract items which enter into the completed and

accepted structure shall be measured for payment in the manner prescribed by

the Architect.

1.20 Holding down Bolts

Holding down bolts shall be set in sleeves of steel tubes or similar approved and

provided with steel washer plate cast in the concrete and standard nut and

washer.

1.21 Special Prime Painting

All steelwork where indicated on the drawings shall be shop primed with one

coat epoxy coal Tar paint which dries by chemical curing. The paint shall be

applied in accordance with the manufacturer’s instructions. SS

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PART 2

METAL WORK

MATERIALS

2.1 Generally

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All materials shall be the best of their respective kinds free from defects and

all work is to be carried out in the most workmanlike manner and strictly as

directed by the Architect. The materials in all stages of transportation,

handling and stacking shall be kept clean and prevented from injury by

breaking, bending or distortion and weather action.

2.2 Mild Steel

Mild steel shall comply with BS 15

2.3 Hollow-section- tubing

Square and rectangular hollow section tubing shall be hot rolled mild steel in

accordance with grade 43c of BS 4360.

2.4 Bolts, nuts and washers

These shall be fabricated from materials which comply with BS 15 and each

manufactured item shall comply with the appropriate BS

2.5 Galvanized sheet steel

To be no. 24 S.W.G. of approved manufacture to BS 2989 of best quality mild

steel sheets cold rolled close annealed patent flattened and hot dip galvanized.

2.6 Aluminum

Aluminum shall be extruded sections with an anodized finish, either natural or

coloured, to give a 25 micron minimum depth to European norm EWAA.

The Contractor shall submit with each item or batch of items delivered, test

certificates or such other documentary evidence as the Architect shall require

that the depth of anodizing specified has been achieved. SS

2.7 Stainless Steel

Stainless tube shall be Austenitic steel BS 3014 comparable to BS 1449type

316 S 16

WORKMANSHIP

2.8 Welding

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All welding is to be in accordance with the requirements of BS 1856 and 938

and the electrodes shall comply with BS 639.

Fusion faces shall be free from irregularities which could interfere with the

welding materials. These faces shall also be free from any deleterious material

such as rust, grease, and paint.

All welds shall be of specified finished sizes and the sequence of the welding

shall be carried out in a manner that will give minimum distortion to the

welded parts.

Edges of welding shall be prepared by planning or machine flame cutting.

During welding all parts will be maintained in their correct position.

Welds shall be carried out with each run closely following the one prior with

sufficient time between to allow for removal of slag.

Each run of weld is to be inspected and the sub-contractor shall ensure that

unsatisfactory welds are cut out or remade to the required standards.

The minimum size of fillet weld shall be 6mm.

All completed welds shall have a regular and smooth surface .The weld material

shall be solid with complete fusion throughout the weld and to the fare cut

metals.

Any defects shall be cut out or made good to approval.

External faces of butt welds to be ground smooth. SS

2.9 Painting

All steel is to be wire brushed and any loose scale; dirt or grease shall be removed

before any painting is commenced. One coat of red oxide primer Type A to BS

2523 shall be applied at the shop.

Any damage to the priming paint shall be made good to the Architect’s

satisfaction.

2.10 Fixing of steel windows

fixing of metal windows shall include for assembling and fixing, including

screwing to sub-frames or cutting mortises for lugs in concrete or walling and

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running with cement mortar (1:4) bedding frames in similar mortar, pointing in

mastic, bedding sills, transoms and mullions in mastic, making good finishing

around both sides and fixing, oiling and adjusting all fittings and frames.

END SECTION 2 SS

1. SPECIFICATIONS

1.1. CONCRETE WORK (section 3)

1.1.1. General

The standards of materials and workmanship shall not be inferior to the

recommendations of the current British Standard Code of Practice CP 110.

The requirements outlined in the above Code of Practice must be read with

those of this section of the Specification and where any conflict exists the

requirements of this Specification shall prevail.

As and when required by the Consulting Engineers the Contractor shall

prepare and submit, before commencing the work, a time-chart (additional to

the general programme) detailing the various operations for concrete work.

No material shall be used in the works until prior approval for its use has been

given by the Consulting Engineers, neither shall any change in the nature, quality,

kind, type, source of supply or manufacture be amended without the Consulting

Engineer’s permission.

The cost of providing samples and the cost of carrying out tests together with

the cost of supplying equipment for sampling and site testing shall be borne by

the Contractor.

1.1.2. Concrete Requirements:

The mix proportions shall be selected to ensure that the workability of the

fresh concrete is suitable for conditions of handling and placing having regard

to the structural element being constructed, the disposition of reinforcement,

the climatic conditions prevailing and other limitations.

The basis for assessing strength of concrete shall be he characteristic strength,

defined as the strength of the concrete at 28 day, as determined by the standard

method of testing.

The relationship between the class of the concrete and the characteristic

strength shall be shown as on the table below:-

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Class of Concrete

Characteristic Strength (N/mm3)

28-day 7-day

30 or 30 (s) 25 or 25 (s)

20 or 20 (s)

15 or 15 (s)

10 or 10 (s)

30 25

20

15

10

0.67 times the corresponding 28-day characteristic

strength

Structural concrete proportions shall be determined by an approved mix design method SP 1.

1.1.3. Nominal Mixes

Nominal mix proportioning will be applicable to non-structural concrete.

However, for small sections of work, the Consulting Engineers may give

permission for nominal mix proportioning to be sued.

The Nominal Mix proportions shall conform to the requirements of the table

below:

Class of Concrete Nominal Mix

30 or 30 (s) 25 or 25 (s)

20 or 20 (s)

15 or 15 (s)

10 or 10 (s)

1:1:2 1;1 1/2::3

1:2:4

1:3:6

1:4:8

1.1.4. Quality Control

The principal basis of control shall be by comparison of the results of the

compression cube tests at 28 days, except for small quantities of concrete

whose strength can be otherwise derived which is permitted for use by he

Consulting Engineers.

Where materials are of an unfamiliar grading or type, compression tests shall

be carried out at 7 days and adjustment made in advance of the main control

methods outlined above.

Aggregate and cement and cement shall be proportioned by weigh-batching

and water shall be proportioned by volume.

Subject to the prior approval of the Consulting Engineers volume-batching of

aggregates may be used for small sections of work, but volume-batching of

cement will in no case be accepted. The Contractor may, however, so

proportion the mix that each batch shall use a whole bag or bags of cement,

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the weight of which is known precisely. Where permission has been given for

volume-batching of aggregates, all gauge boxes shall be accurate and strongly

constructed and due allowance shall be made for bulking of the aggregates in

assessing the correct volume to be used.

The aggregates and the cement shall be thoroughly mixed in a clean

mechanical mixer and then water added on the basis of the approved design.

The amount of water added shall conform to the requirements of these

specifications. SP2.

1.1.5. Materials

a) Cement

Ordinary and rapid-hardening Portland Cement shall comply with B.S. 12.

No extra payment will be made to the contractor if on his own initiative he

uses rapid-hardening Portland Cement.

Cement shall be fresh delivered to site and the consignments shall be used in

the order of delivery. The contractor shall mark the date of delivery on each

consignment and each consignment shall be stored separately and in such

manner as to be easily accessible and identifiable.

b) Aggregates

Fine and coarse aggregates shall conform to the requirements of B.S. 882 and

shall be chemically inert to alkali reaction.

Aggregates of rounded shape or otherwise capable of producing a concrete of

good workability with the minimum addition of water shall be preferred.

The Contractor shall ensure that the nature and grading of aggregate remain

reasonably consistent, and shall, if necessary, stockpile and include different

gradings to ensure that the overall gradings remain constant for each section of

the work.

c) Water

The Contractor shall supply all water, make all arrangements and pay all charges

in respect of such supply. Where water can be obtained from a public water

supply it shall be used.

d) Reinforcing Steel

Steel or reinforcing concrete shall be any of the following:-

Plain round mild steel or high yield steel bards conforming to B.S. 4449.

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Cold worked steel bards conforming to B.S. 4461 or

Fabric reinforcement conforming to B.S. 4483.

The steel shall be stored on site under cover and supported clear of the ground

and in such manner as to make identification easy. Supports shall be such that

distorting of the steel is avoidable and contamination and corrosion prevented.

The Contractor shall provide on site facilities for cutting and bending steel

whether he is ordering his steel bent or not and shall ensure that a token

amount of straight bar is available on site for bending as and when directed by

the Consulting Engineer. SP3

A lap of not less than 40 diameters of the smaller bar shall be provided at the

junction of two bars for which the lap is not specifically detailed on the

Drawings.

Unless permitted by the Consulting Engineers, welding of bars at intersections

or for the joining of bars will not be allowed. Where permission is granted,

welding shall be carried out in accordance with the recommendations of the

Institute of Welding for the welding of steel bars for reinforced concrete

construction.

e) Shuttering

The term “Shuttering” shall be taken to include centering, formwork, strutting,

bracing and the like.

Shuttering shall be of such accuracy, strength and rigidity as to carry the

weight and pressure from the concrete to be placed on or against it, together

with all construction, wind or other loads likely to be imparted to it, without

producing deformation of the finished concrete.

All shuttering shall be sufficiently tight, without plugging, to present loss of

grout during the vibration of the concrete.

f) Concreting

The finished concrete shall be dense, durable, impervious to the ingress of

water, free from cracks and honeycombing, resistant to wear and mild

chemical attack.

Concrete shall be placed within 30 minutes of mixing, to uniform level, in

layers not exceeding 50 cm deep in such manner as to avoid segregation, and

each layer shall be compacted by means of approved vibrators to form a dense

material free from honeycombing and other blemishes. Compaction by hand

may be used only with the prior approval of the Consulting Engineers.

Concreting shall not be permitted if its temperature at placing is in excess of

38oC. In order to maintain the temperature of the concrete below this, all

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precautions shall be taken wholly or in part as instructed by the Consulting

Engineers.

In order to reduce premature drying of the concrete during transportation and

piling, all shuttering and reinforcement shall be cooled by watering when

possible, or shall otherwise be protected from the direct rays of the sun. Any

water so used shall be removed placing concrete.

After the specified days, the shuttering shall be struck and surface of the

concrete shall be kept moist for a minimum period of 4 days by mist spraying

or, when permitted by the Consulting Engineers, by covering with wetted

hessian or sand or by treatment with an approved curing membrane. SP4

Where drying winds are encountered, windshields shall be positioned as

directed by the Consulting Engineers to protect exposed surfaces of the curing

concrete.

Concreting during periods of constant rain shall not be permitted unless

aggregate stockpiles, mixers and transporting equipment, and the areas to be

concreted are adequately covered.

During showery weather, the Contractor shall ensure the work can be

concluded at short notice by the provision of stop ends. On no account shall

work be terminated before each section, between one stop end and another is

completed. Adequate covering shall be provided to protect newly placed

concrete from the rain.

g) Construction Joints

The position of construction joints, when not shown on the drawings or otherwise

required by this specification shall be decided on site having regard to the plant

and labour made available by the contractor for the manufacture, placing and

compaction of the concrete as well as its curing, the climatic conditions prevailing

at the time of concreting, the nature and size of the shuttering, and the conditions

of operation of the work. The Contractor shall submit his proposals to the

Consulting Engineers for approval before commencing the work.

h) Water stop and Jointing Materials

Water stop and jointing materials shall be obtained from an approved

manufacturer.

Joint filler shall be manufactured of natural bonded cork or other approved

material. Joint filler shall be cut and trimmed accurately in position by means

of an approved adhesive.

Joint sealing compounds shall be approved rubber/bituminous compounds

suitable for joints in horizontal and vertical/sloping concrete surfaces as

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appropriate. Sealing compounds shall be applied strictly in accordance with

the manufacturer’s instructions and shall completely fill the joint recess.

i) Making Good

Honeycombing or damaged surfaces of concrete, which in the opinion of the

Consulting Engineers are not such as to warrant the cutting out and

replacement of the concrete, shall be made good as soon as possible after

removal of the shuttering as follows:-

1:1½ Portland cement and sand mixture shall be worked into the pores over

the whole surface with a fine carborundum float in such a manner that no more

material is left on the concrete face than is necessary to completely fill SP5

the pores and that a uniformly smooth and dense surface of uniform colour is finally

presented.

j) Testing of Concrete

The Contractor shall provide on the site, equipment, staff and labour for

sampling and testing of concrete. He shall carry out all those tests (at such

times and with such frequency) as may be requested by the Consulting

Engineers.

All equipment shall be calibrated and checked from time to time as may be

necessary.

k) Special Concrete

“Wearing Course Concrete”

Wearing course concrete shall form the top layer of the concrete slabs which

will be sued for the storage of heavy materials with sharp edges or where fork

lifts will be sued for loading and off-loading materials.

The concrete shall consist of a 1:1 ½:3 mix of cement/sand/aggregate.

Ordinary Portland cement shall be used unless otherwise specified. The

aggregate shall be of 10 mm nominal size unless otherwise specified.

The materials shall be thoroughly mixed in a clean mechanical mixer. Only

sufficient water will be added to achieve the desired workability.

The concrete shall be placed on a surface which has been prepared as

specified. Where possible, the concrete shall be vibrated by an approved

mechanical vibrator with an appropriately sized poker. Where the layer of the

wearing course concrete is thin, it shall be thoroughly tamped using approved

means to enable the compaction of concrete fully.

2.2. Walling

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2.2.1. Walling Generally

The Contractor shall provide proper setting out rods and set out all work on

same for courses, openings heights, e.t.c. and shall build walls, piers, e.t.c. to

the widths, depths and heights indicated on the drawings.

Concrete blocks shall be thoroughly wet before being laid and shall be kept

wet during that day. Where unfinished work is continued, the completed

walling shall be wetted before laying mortar. SP6

All walls throughout the work shall be carried out evenly in 200 mm courses,

no part being carried up more than 1 m higher at one time than any other part,

and in such cases the jointing wall shall be made in long steps so as to prevent

cracks arising., and all walls shall be levelled round each stage. All faces of

walls to be plastered are to have all the joints raked out as key for plaster.

Alternate courses of walling at all angles and intersections shall be carried

through the full thickness of the adjoining wall. All walling shall be built up

entirely solid in blocks without voids. All perpends, reveals and angles of the

walling shall be built strictly true and square and all walling shall be flushed

up and grouted solid as the work proceeds.

All putlog holes shall not be less than one course deep and carefully filled with

a block cut to fit size of opening with beds and joints filled with mortar well

tamped in after scaffolding is removed and if in fair faced wall to match

facings.

All walling 150 mm thick and under is to be reinforced with one layer of 25

mm x 16 B.W.G. hoop iron built into every second course well lapped at joints

and intersections and carried at least 115 m into abutting walls at junctions.

Where concrete and stone walling are bonded together at intersections or

heading joints the horizontal cement mortar beds shall not exceed 15 mm

thickness and vertical joints are to be staggered.

2.2.2. Cement

All cement used for making mortar shall be Portland cement complying with B.S.

12.

2.2.3. Sand

All sand used for making mortar shall be clean well graded silicone sand of good

sharp quality equal to samples which shall be approved by the Consulting

Engineers. It shall be free from lumps of stone, earth, loam, dust, salt organic

matter and any other deleterious substance, sieved through a fine sieve and

washed if so directed by the Consulting Engineers.

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2.2.4. Lime

Lime for mortar shall be non-hydraulic or semi-hydraulic quick lime or

hydrated lime in accordance with B.S. 890, Class B.

Quick lime shall be run to putty immediately after delivery to site in pit dug on

the site or in approved containers. The water to be first run into the pit or

container and the lime to be added until it is completely submerged and stirred

until all lumps are disintegrated and the resulting mild-lime shall then be run

through a 3 mm square mesh sieve and run into a pit or other container and

kept clean and moist for not less than 4 weeks before use.

Hydrated lime shall be added to water in a clean receptacle thoroughly mixed

to the consistency of thick cream and allowed to stand and be kept clean and

moist for not less than 16 hours before use. SP7

2.2.5. Cement Mortar

The cement mortar (1:3) shall be composed of 42.5 kg of Portland cement to

0.085 cubic metres of sand. The cement mortar (1:6) shall be composed of 42.5

kg of Portland Cement to 0.17 cubic metres of sand measured in specially

prepared gauge boxes and thoroughly mixed in an approved mechanical mixer or

mixed dry on clean and approved mixing platforms with water added afterwards

until all parts are completely incorporated and brought to a proper consistency.

The use or retempering of wholly or partly set mortar will not be allowed.

2.2.6. Gauged Lime Mortar

Gauged lime mortar shall be composed of 2 parts by volume of lime putty to

12 parts by volume of sand measured in specially prepared gauge boxes and

mixed dry on clean and approved mixing platforms with water added until all

parts are thoroughly incorporated and brought to a proper consistency.

The mortar shall be mixed 7 to 10 days before it is required for use and shall

be stacked in a neat heap well smoothed off, covered with wet sacks and

allowed to mature.

Immediately before use 1 part by volume of Portland cement shall be added to

9 parts by volume of lime mortar, the whole being remixed with the addition

of extra water until all parts are completely incorporated and brought to a

proper consistency.

The gauged mortar must be used within 45 minutes of being mixed and the use

or retempering of wholly or partially set mortar will not be al

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2.2.12. Stone Walling

The stone for walling shall be sound hard throughout free from all defects and

shall be obtained from a quarry approved by the Consulting Engineers. Samples

shall be submitted for approval and, if approved, shall be regarded as the standard

for the work generally. All stone rejected by the Consulting Engineers shall be

removed immediately from the site. Stones shall be laid on their natural beds and

properly lapped and bonded and thoroughly wetted SP9 before laying and again

after laying for at least three days. Stones shall be chisel dressed into true

rectangular blocks with each surface even and at right angles to all adjoining

surfaces and shall generally be not less than 390 mm long, 190 mm high and of

the thickness required for the walling to be built. Extra over for fair face shall

mean ‘fine or medium butched chisel dressed’ to an even recessed joint as the

work proceeds. All arrises shall be plumb and square and all joints properly

bonded and true to line. Fine or medium butched chisel dressed walling shall be

in regular courses.

2.2.13. Damp Proof Courses

The damp proof course is to consist of a 25 mm screed of cement and sand (1:2

laid over the area of the walls and finished to a level surface and covered with

and including an approved fibre based bituminous damp proof course weighing

not less than 2.7 kg per square metre and lapped 225 mm at all joints and

intersections. All walls are to be carefully cleaned and wetted before the

screed is laid.

2.2.14. Other Trades

Close co-operation with electrical and plumbing Sub-Contractors must be

maintained from the beginning of the job to avoid chases being cut in hollow

block or 100 mm solid block work or across any fair faced work. If necessary,

conduits should be run down the jambs of the door openings behind the door

frame and taken to the switch position through a horizontal joint in the masonry.

3. SPECIFICATIONS FOR CIVIL WORKS

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PREAMBLES TO BILLS OF QUANTITIES

1. The Contractor is required to check the numbers of the pages and should

any be found to be missing or in duplicate or the figures or writing

indistinct, he must inform the Engineer at once and have the same

rectified. Should the Contractor be in doubt about the precise meaning of any item, word or figure, for any reason whatsoever, he must inform the Engineer in order that the correct meaning may be decided upon before the date for the submission of the

Tender.

2. No liability whatever will be admitted nor claim allowed in respect of

errors in the Contractor’s Tender due to mistakes in the Bills of Quantities

which should have been rectified in the manner descripted above.SP23

3. These Bills are to be read and priced in conjunction with the Conditions of

Contract, the Specifications, the Drawings and Schedules.

4. The Quantities set forth in the Bills of Quantities are believed to be

approximately correct, and to represent substantially the work to be carried

out, and are given for the purpose of enabling the Employer to compare

Tenders on equal basis.

5. The prices and rates inserted in the Bills of Quantities will be used for

valuing the work executed, and the Engineer will re-measure the whole of

the works executed in accordance with this Contract.

6. The prices and rates inserted in the Bills of a Quantities are to be full

inclusive values of the work described under the items, including all costs

and expenses which may be required in and for the construction of the

work described, together with any temporary works and installations

which may be necessary, and all general risks, liabilities and obligations

set forth or implied in the Documents on which the Tender is based.

7. The brief description of the items given in the Bills of Quantities is purely

for the purpose of identification, and in no way modifies or supersedes the

detailed descriptions given in the Conditions of Contract, Drawings,

Standards and Special Specifications. When pricing items, reference is to

be made to the Conditions of Contract, Drawings, and Special

Specifications for the full directions and descriptions of work and

materials.

8. A price or rate is to be inserted in ink against each item in the Bills of

Quantities and schedule of Rates whether quantities are stated or not and if

the Tender includes the cost of a particular item elsewhere in his rates of

prices, he shall insert the word ‘nil’ against both the rate and extension of

that particular item. Should the Tenderer omit to price an item, then it will

be assumed that he has included the cost or the item elsewhere in his rates

or prices.

9. No alterations shall be made to the Bills of Quantities or schedule of rates,

and no extra item shall be inserted. The Tenderer shall satisfy himself that

the Tender Sum arrived at by pricing the quantities and items given is

sufficient compensation for constructing and maintaining the whole of the

works in accordance with these Contract Documents.

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10. The Bills of Quantities have been prepared in accordance with the

Standard Method of Measurement – Institution of Civil Engineers (U.K.),

variations have been made in some cases to sit local practice.

11. All quantities are measured nett (unless otherwise stated) in accordance

with the Drawings and no allowance has been made for cutting or waste.

The tenderer must allow in his rates accordingly.

SP24

12. Where other Contractors engaged by the Employer are working in the

same area, the Contractor shall give way and clearance as required and

shall programme his work to give a minimum of interference to other

Contractors. Under these conditions the Contractor must ensure that such

materials as he is responsible for are kept rigidly separate from that of

other Contractors also employed. The prices and rates given must include for compliance with this requirement.

13. Metrication – all quantities are given in metric dimensions. However,

where the changeover of production sizes has not yet taken place,

theContractor may use equivalent goods manufactured to Imperial

Dimensions at no extra cost to the Employer.

14. The Bills of Quantities must be priced in Kenya Currency, i.e. Shillings

and Cents.

SP25

NKCC/085/2017-18 PROPOSED REHABILITATION WORKS OF UHT STORES

15. Definitions of Abbreviations

Abbreviations used in the Bills of Quantities shall be interpreted as follows:-

“B.S” shall mean: the current British Standard published by the

British Standards Institution 2, Park Street, London,

W.1., England.

‘No.” shall mean: Number

“Ditto” shall mean: The whole of the preceeding, description except as

qualified in the section in which it occurs. Where it

occurs in brackets, it shall mean the whole of the

preceeding description which is contained within the

appropriate brackets.

“mm” shall mean: linear millimetre

“m” shall mean: linear metre

“m2” shall mean: square metre

“m3” shall mean: cubic metre

“kg” shall mean: kilogramme

“E.O.” shall mean: extra over

“Avg.” shall mean: average

“dia” shall mean: diameter

“n.e.” shall mean: not exceeding

“max” shall mean: maximum

“min” shall mean: minimum

“L” shall mean: litre

“sq.” shall mean: square

“mg” shall mean: megagramme

“g.s.” shall mean: galvanised steel


“uPVC” shall mean: unplasticised Polyvinyl Chloride

“S.W.G.” shall mean: Steel Wire Gauge

“M.S.” shall mean: Mild Steel

“H.Y.” shall mean: High Yield SP26

(End section3)


SPECIFICATIONS GENERAL

PART 3 : GENERAL ( section 4)

3.1. Materials Generally

All materials used on the works shall be new and of the qualities and kinds

specified herein and equal to approved samples. Deliveries shall be made

sufficiently in advance to enable samples to be taken and tested if required. No

materials shall be used until approved and all materials which are not approved or

which are damaged, contaminated or have deteriorated in any way or do not

comply in any way with the requirements of this specification shall be rejected

and shall be immediately removed from the site at the Contractor’s expense.

3.2. Materials for which there is a Kenya Bureau of Standards Specification All

materials used in the works for which a Kenya Bureau of Standards specification

has been published shall conform with the latest edition thereof in every way.

The Architect reserves the right to demand that the Contractor shall obtain at his

own expense a certificate in respect of any material to state that is in accordance

with the Kenya Bureau of Standard Specification.

3.3. Materials for which there is no Kenya Bureau of Standards Specification All

materials used in the works for which no Kenya Bureau of Standard Specification

has been published shall conform with the British Standard specification for such

materials. If there are no published standards as specified for any materials, the

quality of such material shall be generally of a standard equal to those for which

there is a Kenya Bureau of Standards or British Standard Specification.

3.4. Alternatives to proprietary brands

Where materials are specified by their proprietary names or where fittings are

specified by catalogue numbers, or descriptions, the Contractor may offer

materials or fittings of alternative manufacture which are of equal quality. Such

alternatives must be approved before being used in the works and the Contractor

shall allow for this, but prior to tendering he may submit to the Architect for

approval the names of any suppliers or manufacturers whose products he intend to

use, together with catalogue numbers and descriptions and/or samples but the

decision of the Architect will be final.

3..5. Samples


The contractor shall furnish for approval, with reasonable promptness all samples

of materials and workmanship required by the Architect. The Architect shall

check and approve such samples for conformance with the design concept of the

works and for compliance with the information given in the Contract Documents.

The work shall be in accordance with the approved samples.

a) All material samples shall be delivered to the Architects office with all

charges in connection therewith paid by the Contractor.

b) Duplicate final approved samples, in addition to any required for the

Contractors use , shall be furnished to the Architect, one for office use and one

for the site.

c) Samples shall be furnished so as not to delay fabrication, allowing the

Architect

Reasonable time for consideration of the sample submitted.

d) Each sample shall be properly labelled with the name and quality of the

material, manufacturer’s name, name of project, the contractor’s name and the

date of submission and the specification number to which the sample is refers.

3.6 Measuring and Testing Equipment

The contractor shall provide the following equipment for carrying out measuring

and control tests on the site and maintain in full working order:-

a) Straight edges 2 metres and 4 metres long for testing the accuracy of the

finished concrete.

b) A glass graduated cylinder for use in the silt test of organic impurities in the

sand.

c) Slump test apparatus.

d) 150 mm steel cube moulds with base plates and tamping rod to BS 1881.

e) One dumpy or quickset level and staff.

f) Micrometer.

g) Two 30 metre steel tapes.

SPECIFICATIONS ROOFING AND R.W. PIPES

PART 4 – ROOFING

4.1 Cedar shingle roofing

Cedar shingle roofing shall be obtained from an approved supplier through the

approval of the Architect.

Shingles shall be 75 mm wide x 400 mm long x approximately 12mm thick or

other size approved by the Architect. Prior to fixing shingles shall be well soaked

in engine oil to the approval of the Architect.


Shingles are to be fixed to 38 mm x 25 treated sawn cypress battens with 2 No. 32

m long rust resistant nails 8 hot dipped zinc, copper or aluminium) in each

shingles. Each nail is to be positioned 20 mm from the side edge of the shingle

and 38 mm above the butt line.

Shingles shall have a 5mm space between adjacent shingles and joints in any one

course shall be separated not less than 40 mm from joints in adjacent courses.

Each shingles have an exposure of 125 mm.

4.2 Bituminous felt roofing

MATERIALS

(a) Fibre based bituminous felts shall comply with BS 747 part 2, class 1:

Type of felt Nominal weight/10 m2

1A Saturated bitumen 7 kg

1B Fine sand surfaced bitumen 17 kg

1C Self finished bitumen 13 kg

1D Coarse sand surfaced bitumen 20 kg

1E Mineral surfaced bitumen 36 kg

(b) Asbestos based bitumen felts shall comply with BS 747: Part 2,

Class 2:

Type of felt Nominal weight/10 m2

2A Saturated bitumen 7 kg

2B Fine sand surfaced bitumen 16 kg

2C Self finished bitumen asbestos 13 kg

2E Mineral surfaced bitumen asbestos 36 kg

Unless otherwise specified bituminous felt roofing shall comprise the

following layers:

(a) To main roof areas:

First layer: saturated bitumen asbestos felt Type 2A, partially

bonded.

Second layer: self-finished bitumen felt Type 1C, fully bonded.

Third layer: mineral surfaced bitumen felt to be aluminium Cap

Sheet finish, fully bonded.

(b) To gutters and upstands in felt roofs:

First layer: saturated bitumen asbestos felt Type 2A, fully bonded.

Second layer: self-finished bitumen felt Type 1C, fully bonded.

Third layer: mineral surfaced bitumen felt Type 1E, fully bonded.


SPECIFICATIONS ROOFING & R.W. PIIPES

LAYING

Bitumen felt roofing work must be carried out by a sub-contractor approved by the

Architect.

Laying of the felt is it be carried out generally in accordance with C.P. 144.101 to the

following minimum falls:

(a) for mineral surfaced felt roofs: 1:30

(b) For protected felt roofs: 1:60

The contractor and sub-contractor shall ensure that the roof screed is laid to the correct

falls before applying the roofing felt.

Before laying coverings the contractor shall ensure that all preceding and preliminary

work, including all pipes and outlets passing through the roof, formation of grooves and

chases, and provision of battens and fillets is complete.

Base sheeting is to be laid on a clean, dry base and before work commences the

contractor shall obtain the roofing sub-contractor’s written agreement that the base is

suitable.

Sheeting shall be laid in the following manner:

(a) Nail underlayer at 75 mm centres at tops of sloping roofs and screeds.

(b) Hot bonding compounds shall be prepared as follows:

i) heat in kettles fitted with a thermometer.

ii) do not heat to more than 220 degrees C.

iii) Lay at 220 degrees C.

(c) Partial bonding of first layer shall be carried out by spot, strip or frame

bonding at centres not exceeding 1800 mm with hot bonding compound to the

approval of the Architect. Fully bond at perimeter of roof for a width of

450 mm, leaving ventilation channels 150 mm wide at approximately

1800 mm centres.

(d) Full bonding of second and subsequent layers shall be carried out by applying

hot bonding compound to the previous layer, lay bitumen felt and apply

pressure to ensure a firm bond. Remove the surplus squeezed-out compound

as the work proceeds. Compound should be applied at a minimum rate of 16 k per 1.0 m2. prevent adhesion of squeezed-out bonding compound to the surface

of mineral-surfaced felt.

(e) Sheets shall be laid in the direction of the roof slope with a 50 mm side and 75

mm end lap.


(f) up stands must be at least 150 mm high, fully bonded to the structure with top

edge tucked into chase, wedged at 600 mm centres and fully bond to upstand.

End lap shall be 100 mm and sealed with hot bonding compound. Chases shall

be pointed in cement-sand mortar 1:3. (g) Unless otherwise specified eaves shall be formed as follows:

i) nail one edge of 200 mm felt strip at 150 mm centres.

ii) Fold to form welt 50 mm deep and seal with bonding compound.

iii) Fully bond remainder of felt to base and cover with full thickness of

built up finish.

(h) Unless otherwise specified verges shall be formed as follows:-

i) Nail one edge of 250 mm felt strip at 150 mm centres.

ii) Fold to form welt 50 mm deep and seal with bonding compound.

iii) Fully bond remainder of felt to top layer of roofing.

Bituminous felt roofing is to be guaranteed for three years from the end of the

Defects Liability Period, in an approved form approved by the Architect.

4.3. Aluminium Flashings

Aluminium flashings shall be formed out to 22 gauge super purity aluminium

with natural mill finish to BS 1470. where flashings are built into joints or tucked

into grooves the minimum depth is to be 25 mm and they are to be secured by

folded aluminium wedges at 450 mm centres and pointed in cement mortar (1:3).

4.4. Roof Screeds generally

Roof screeds are to be held to a minimum fall and crossfall of 27 mm in 3.0

metres with a minimum thickness of 19 mm at rainwater outlets and are to be

finished to the entire satisfaction of the sub-contractor executing the roofing.

4.5 Cement and sand roof screeds

The roof screeds shall be formed of cement and sand (1:3). The screeds shall be

laid in bays, square where possible, of maximum 10 square metres. Each bay

shall be formed between stop boards of the correct height and cut on each side to

indicate the slope required in the roofing. The screed shall be trowelled with a

wood float to true and accurate falls or crossfalls up to the stop boards. A 10 mm

wide gap shall be left between each screed bay for the full depth of the screed.

The screeds shall be allowed to cure thoroughly to attain maximum shrinkage.

Any cracks which appear due to shrinkage shall be made good.

The gaps between the screed shall be filled as follows:

1. Brush or blow out joints to remove dirt, dust, e.t.c. and prime the sides

of the joints using a piece of sponge or similar dipped in a mixture of


equal volumes of “Flintkote” Type 1 or Type 3 emulsion and water.

Allow to dry.

2. Fill up joints slightly proud on the surface using a 1:2:3 mastic. This

mastic shall be prepared by mixing one volume of cement with three

volumes of sand, adding a little water to dampen the mix, then adding

two volumes of ”Flintkote” Type 1 or Type 3 emulsion. The mastic is

thoroughly mixed together adding water as necessary until it is a

uniform brown colour, without being too sloppy.

The screed joints shall then be covered with a 200 mm wide strip of

building paper not bonded to the screed joint and well lapped at angles

and junctions before the application of the roof covering.

4.6. Lightweight roof screeds

Lightweight roof screeds shall be composed of bases of cement, sand and pumice

(1;4:8) finished with a 12 mm cement and sand (1:5) topping laid whilst the base

is still green and trowelled smooth to the satisfaction of the Architect.

The screeds are to be laid as described in ‘Cement and Sand Roof Screeds’.

4.7. PVC rainwater pipes

PVC rainwater pipes and fittings are to comply with BS 4576 with rubber ring

seal joints.

Pipes are to be fixed to the structure with PVC holderbats or brackets built-in or

plugged and screwed at maximum 2 metre centres.

Bends, swan necks, discharge chutes and fittings generally are to be fixed where

necessary to facilitate the flow of water.

Rainwater outlets shall be PVC suitable for the roof finish in which they occur

with domical PVC grating.

4.8. Protection

The contractor is to take all necessary precautions to protect the finished work and

must ensure that no damage occurs to the footing until completion of the works.

4.9. Completion of the works

On completion of the works, the contractor shall clear away, ensure rainwater

outlets are clear and generally leave the roof areas in a clean and watertight

condition to the satisfaction of the Architect.

4.10. Specification for Roof sheeting and Vertical Cladding

Roof sheeting and vertical cladding shall be IT5 “Resincot” pre-painted

corrugated Galvanised Sheets Gauge 24 or as specified in BQ as manufactured by

GALSHEET KENYA LIMITED OL KALOU ROAD, INDUSTRIAL AREA,

P.O. BOX 78162 NAIROBI and shall be laid and fixed strictly in accordance with

the manufacturer’s printed instructions. The “Resincot” special finish to the


approval of the Consultant being extra over the standard colour range available

from the manufacturer. BQ specification to supercede this section.

The sheets shall be fixed to Steel “Z” purlins or rails or angles using 6 mm

diameter galvanised hook bolts with rubber washers and approved nuts primed

and painted two coats enamel finish. Holes through the sheets shall be drilled

through the ridges of the corrugations and not in the hollows. No damage or

scratched pre-painted sheets will be accepted on site; any such sheets will have to

be replaced at the contractor’s expense.

4.11. Translucent Sheeting to Roof and Vertical Cladding

Translucent sheeting shall be Fiberlite as manufactured by Specialised Mouldings

Limited or Steel Structures Limited or other equal and approved and moulded to

match the IT5 profile of a thickness 0.50 mm.

The translucent sheets for sue on the Boiler House shall be of a specification and

quality able to withstand room temperatures of up to 60 degrees centigrade and

must be accompanied with a guarantee of a minimum 7 years lifespan. The sheets

will be required to have undergone an ultra violet (u.v.) treatment to the approval

of the Resident Engineer. Samples of the translucent sheets for use on the works

shall be submitted for the approval of the Resident Engineer before the works

commence.

4.12. Flushing and Roofing Accessories

All flashings and roofing/cladding accessories shall be to Gauge Galvanised Mild

Steel sheets bent and curved to the required shapes as shown on the drawings and

shall be fixed to timber or steel “z” as previously stated.

All galvanised steel sheets to be wire brushed to remove any loose scale, dirt or

grease, thoroughly cleaned with mordant solution, primed with a yellow coat or

zinc chromate and painted with two coats gloss enamel paint.

4.13. Metal Gutters and Downpipes

All sheet metal gutters and downpipes shall be galvanised pressed steel sheets

gauge 14 of approved manufacture to BS. 2989. The sheets to be cold rolled

close and annealed patent flattened and hot dip galvanised and bent and curved to

the required shapes as shown on the drawings.

The gutters to be reinforced with bracing straps and fixed with metal brackets.

The downpipes to be fixed to steel “Z” purlins on galvanised spacers using metal

straps. The finishes to the gutters and downpipes shall be similar to that specified

for flashings herebefore.

4.14. Joint Fillers and Sealing Compound


Joint fillers set between the sheet flashings and blockwork or concrete faces shall

be “Flexcell” or other equal and approved.

Joint sealers around metal window frames between flashings and/or metal and for

“Flexcell” fillers shall be expedite sealatic oil based mastic applied strictly in

accordance with the manufacturer’s printed instructions.

PART 5 – FINISHINGS

5.1. Other Specifications

All other specifications of this contract where applicable are deemed to apply

equally to the finishing specifications.

5.2. Samples

The Contractor shall prepare at his own cost sample areas of the paving,

plastering and rendering as directed until the quality, texture and finish required is

obtained and approved by the Architect after which all work executed shall

conform with the respective approved samples.

5.3. Finished thicknesses

The thicknesses of floor finishes quoted in this section of the specification shall

be the minimum requirements.

Suspended floors shall have a constant structural thickness and have level top

surfaces. The finished floor surface will equally have a constant level and any

adjustment needed to achieve this effect with the varying floor finish materials is

to be made in the screeds beneath the same.

Slabs bearing on the ground may be cast to varying levels, and be of constant

thickness with varying formation levels, or have varying formation levels, or have

varying thicknesses at the option of the Contractor. This stipulation in no way

relieves the Contractor of the requirements of the specification for structural

work.

5.4. Materials generally

All materials shall be of high quality, obtained from manufacturer’s to be

approved by the Architect.

Cement, sand and water shall be as described under Concrete Work and

Blockwork.

5.5. Bonding


Bonding compounds, e.t.c., for use in applying plaster and similar finishes direct

to surfaces without the use of backings or screeds are only to be used if approved

by the Architect and are to be used strictly in accordance with the manufacturer’s

printed instructions.

5.6. Chases, openings and holes

All chases, holes and the like which were to formed in the concrete or walling

shall be cut, and all service pipes shall be fixed and all holes and chases filled

with mortar before paving and plaster work is commenced. In no circumstances

will the Contractor be permitted to cut chases, holes and the like in finished

pavings or plasterwork.

IN-SITU FINISHINGS

5.7. Generally

The term plastering refers to the operation internally and rendering to the same

operation externally but for ease of reference the term plastering has generally

been used in this specification to describe both operations.

5.8. Mixes

The methods of measuring and mixing plaster shall be as laid down under

Concrete Work and the proportions shall be in accordance with the following:-

Item of Work

Mix Minimum Thickness and Finish

Internal Plaster

1 part cement ¼ part lime

4 parts sand

16 mm finish to walls and ceilings. Wood float finish unless otherwise specified

External Render

1 part cement 4 parts sand

12 mm finish in two coats

Tyrolean finish

Ditto 6 mm finished thickness in two coats on 10 mm plastered backing

To obtain greater plasticity a small quantity of lime may be added to the mixes for

external plastering at the Architect’s discretion but in any case this is not to

exceed ¼ part lime to 1 part cement.

With regard to the lime mortars gauged with cement, the addition just before use,

of the cement to small quantities on the lime/sand mix shall preferably take place


in a mechanical mixer and mixing shall continue for such time as will ensure

uniform distribution of materials and uniform colour and consistency.

It is important to note that the quantity of water used shall be carefully controlled.

Plaster may be mixed either in a mechanical mixing machine or by hand.

Hand mixed plaster shall first be mixed in the dry state being turned over at least

three times. The required amount of water should then be added and the mix

again turned over three times or until such time as the mass is uniform in colour

and homogeneous.

The plaster shall be completely used within thirty minutes of mixing and hardened

plaster shall not be remixed but removed from the site.

5.9. Preparation of surfaces for plaster e.t.c.

Irregularities in the surfaces, to be plastered or rendered shall be filled with

mortar, without lime, twenty four hours before plastering is commenced. Joints in

blockwork, e.t.c, are to be well raked out before plastering to form a good key.

Smooth concrete surfaces to be plastered shall be treated with an approved

proprietary boding agent or hacked to provide an adequate key for the plaster.

Preparation of surfaces for plaster, e.t.c.

All surfaces to be plastered or rendered shall be clean and free from dust, loose

mortar and all traces of salts.

All surfaces shall be thoroughly sprayed with water and all free water allowed to

disappear before plaster is applied.

As far as practical, plastering shall not be commenced until all mechanical and

electrical services, conduits, pipes and fixtures have been installed.

Before plastering is commenced all junctions between differing materials shall be

reinforced. This shall apply where walls join columns and beams, particularly

where flush, and similar situations where cracks are likely to develop and as

directed by the Architect. The reinforcement, shall consist of a strip of galvanised

wire mesh ‘Expamet’ or equal approved 15 cm wide which shall be ;lugged,

nailed or stapled as required at intervals not exceeding 45 mm at both edges. The

surfaces to which such mesh shall be able applied shall be painted with one coat

bituminous paint prior to fixing the mesh.

5.10. Application of plaster and render

After preparation of the surfaces a key coat of cement slurry shall be applied to

the wetted surface to be plastered. When this coat is dry the plaster coat shall be

applied, by means of a trowel, between screeds laid, ruled and plumbed as


necessary. This coat which shall be to the required thickness shall be allowed to

be hard and then cured as described. Surfaces are to be finished with a wood or

steel float to a smooth flat surface free from all marks.

Tyrolean finish shall be applied with an approved machine to give a finish of even

texture and thickness. The sprayed finish shall be applied in two coats allowing

time for drying between coats.

Application in one continuous operation to build up a thick layer will not be

permitted. The total finished thickness of the two sprayed coats shall not be less

than 6 mm. The sprayed finish shall not be applied until all repairs and making

good to the undercoat are completed. Any plaster which adheres to pipes, doors,

windows and the like shall be carefully removed before it has set. Curing shall

take place after application of the second coat. The ‘pressed’ finish as directed by

the Architect. Where coloured Tyrolean is required this shall be obtained by the

addition to the mix of any approved colour pigment.

All plastering and rendering shall be executed in a neat workmanlike manner. All

faces except circular work shall be true and flat and angles shall be straight and

level or plumb. Plastering shall be neatly made good around pipes or fittings.

Angles shall be rounded to 6 mm radius.

All tools, implements, vessels and surfaces shall be at all times kept scrupulously

clean and strict precautions shall be taken to prevent the plaster or other materials

from being contaminated by pieces of partially set materials which would tend to

retard or accelerate the setting time.

5.11. Curing of Plaster

Each coat of plaster is to be maintained in a moist condition for at least three days

after it has developed enough strength not to be damaged by water.

5.12 Angle beads

Where required by the Architect, salient external angles of plastered walls shall be

protected with galvanised mild steel angle beads complying with BS 1246 Fig. 7

Profile C3.

They shall be securely plugged, nailed or stapled as required at intervals not

exceeding 450 mm at both edges.

5.13. Plaster stops

Where shown on details, plasterwork shall be stopped against “Expamet”

galvanised steel plaster stop, reference 565 which shall be securely nailed to walls

in the positions indicated on the drawings.


5.14. Cement and screeds

Screeds shall be mixed and formed as described.

5.15. Granolithic paving

The granolithic paving shall be laid by a specialist floor layer and constructed as

follows:-

Curing compounds if specified or approved by the Architect shall be used in strict

accordance with the manufacturer’s instructions.

Surface hardening solutions of sodium silicate if purchased as liquid shall be of the

grade sold for this purpose. Fourteen days after curing the surface shall be sprayed

with three coats of sodium silicate solution and spread evenly with a mop or soft

brush. Unabsorbed silicate left on the surface after the last application is to be

washed off.

Solution is to be 1:4 by volume for first coat, 1:3 for second, 1:2 for third, applied

at 24 hour intervals.

The base concrete structural floor shall be finished with a tamped surface. Shortly

before the granolithic topping is to be laid the surface of the base concrete is to be

thoroughly prepared to provide a good bond. The base concrete shall be hacked

by hand or mechanically so that its laitance is completely removed to expose

clean coarse aggregate. All traces of dust formed as a result of hacking e.t.c. shall

be removed. the base concrete shall be thoroughly wetted prior to paying. Any

excess water shall be removed prior to the grouting.

The prepared surface of the base concrete shall be covered with a grout consisting

of one part cement and one part sand mixed to the consistency of thick cream and

it shall be scrubbed into the surface with a stiff broom.

The granolithic topping shall be mixed in the following proportions by weight:-

1 part cement, 1 part fine aggregate and 2 parts coarse aggregate.

The water content of the granolithic topping shall be kept as low as possible

consistent with obtaining full compaction of the topping with the plant available

in order to avoid segregation of excessive laitance and in no circumstances must

the water/cement ratio exceed 0.42 by weight.

The granolithic topping shall be mixed for a period of not less than 1 ½ minutes

after all the materials have been placed in the mixer drum. No concrete shall be

removed frrm the drum until it is of uniform texture and colour. Unless otherwise

permitted the materials shall be fed into the drum so that some water will enter the

drum before the cement and aggregates. Each batch shall be discharged


completely before the next batch is introduced. No extra water or other material

shall be added to the mix after it has left the mixer.

If electrical conduit, trunking or any other items are required to be buried within

the granolithic topping and the thickness is reduced at any point the Contractor is

to ensure that steps are taken to eliminate the possibility of cracking in the

granolithic topping by means of galvanised wire mesh reinforcement in the

flooring or other approved method. The extent of buried conduits, e.t.c. should be

ascertained prior to tendering and allowance for complying with this requirement

will be deemed to be included in the rates for granolithic flooring.

The granolithic topping shall be laid in areas not exceeding 14 m2. the length of

any bay should not exceed 1 ½ times the width of that bay. Joints shall be in the

granolithic topping over all joints in the base concrete and over all support in

beams for suspended floors.

Unless otherwise indicated on the drawings all contraction and construction

joints in the granolithic topping shall be simple butt joints without a filler.

The forms shall be fixed rigidly on a firm foundation and supported throughout

their length so that they will not be disturbed by the spreading and compacting of

the concrete. The forms shall be true to line within + or – 3 mm and to level

within + or – 2 mm. The forms shall be set well in advance of laying the topping

and shall be checked for level immediately before concreting starts.

The granolithic topping shall be placed as soon as possible after being mixed in

two courses each 31 mm thick. In no circumstances should the depth of

granolithic spread in one operation be greater than that which can be fully

compacted by the means available. No more than 1 hour should elapse between

placing the courses. The mix proportions and water content of the granolithic

shall be identical in each course.

The lower course must be compacted before the upper course and each course of

topping shall be fully compacted with neither segregation nor excessive laitance.

Particular care shall be taken to ensure full compaction of the concrete should be

placed to an adequate surcharge to ensure full compaction.

After the topping concrete has been placed, levelled and fully compacted it shall

be trowelled at least three times at intervals during the ensuing 6-10 hours so as to

produce a uniform and hard surface with high resistance to abrasion. Under no

circumstances should cement be sprinkled on to the surface and trowelled in to

absorb surplus water.

As soon as the surface has been finished it shall be protected against rapid drying

out by erecting barriers against wind or draughts and against strong sunlight. As


soon as the concrete has hardened sufficiently to prevent damage to its surface the

floor shall be cured continuously for a minimum of 7 days by any one of the

following means:-

1. By means of wet canvas or straw mats or 50 mm thickness of damp

sand laid on the surface and kept continuously damp and in position for

the full curing period.

2. By means of building paper, plastic or other waterproof sheeting which

shall be kept in close contact with the surface of the concrete. The

covering shall be lapped 75 mm at all joints. The covering shall be

securely held in position for the full curing period.

3. By spraying the surface with an approved proprietary curing medium

not less than one gallon of which shall be applied to every 20 m2 of

surface.

At the end of the curing period the Contractor shall take all precautions required

by the Architect to ensure that the floor will dry out slowly. Under no

circumstances will artificial heating be permitted in the building for a period of at

least six weeks after the topping has been laid and thereafter the temperature shall

not be increased rapidly.

Side forms shall not be removed from freshly placed granolithic until it is at least

12 hours old and then only with the Architect’s approval. Care shall be taken to

avoid damaging the granolithic. If any damage occurs the Contractor will be

responsible for making good to the Architect’s satisfaction.

The floor shall not be subjected to traffic or to working loads until the specified

curing has been completed.

5.16. In-situ terrazzo work

The terrazzo paving and screeds under are to be laid and polished complete by an

approved specialist firm.

Where the screed is to be bonded to the concrete structural sub-floor, the latter

shall be finished with a tamped surface and left clean and free from dust and

grease. Before laying the screed the surface shall be covered with a grout of one

part sand and one part cement brushed in with a stiff broom. The screed is to be

laid before the grout has set.

All screeds under in-situ and precast terrazzo paving are to be aid by the approved

specialist firm. The screeds shall consist of one part ordinary Portland cement to

three parts sharp washed sand. This mix may be varied by agreement on the

responsibility of the approved specialist firm.


The screed is to be reinforced with 22 gauge galvanised steel wire netting with

mesh not exceeding 1” laid direct on the sub-floor of bays exceeding 1 square

metre.

The screed backing in-situ skirtings is to be such as to adhere firmly to the various

materials on the walls.

The thickness of in-situ terrazzo finishes are minimal and they maybe increased if

the specialist considers it necessary with corresponding reductions to the screed

thicknesses providing the overall thickness of the finished flooring is maintained

and without adjustment to the prices quoted.

The following thicknesses are assumed in measuring the terrazzo:-

Finish Bedding Screed Total

In-situ paving 25 - 40

In-situ margins 25 - 40

In-situ skirtings 8 - 12

If electrical conduit, trunking or other items are required to be buried within the

depth of the screed and flooring and the total thickness is reduced at any point the

flooring specialist is to ensure that steps are taken to eliminate the possibility of

cracking in the screed and consequent damage to floor finish by means of

galvanised wire mesh reinforcement in the screed and flooring or other approved

method. The extent of buried conduit, e.t.c. should be ascertained with this

requirement will be deemed to be included in the rates for terrazzo pavings and

screeds under.

The in-situ terrazzo paving is to be consist of two parts of white marble chippings

to one part of white Portland cement to B.S. 104.

The marble chippings to be fine (graded 3 mm to 6 mm in equal proportions)

rounded granular clean and free from dust and impurities.

In-situ terrazzo paving should be laid on the screed as soon as practicable and not

more than three days after the laying of the screed.

After laying the surfaces are to be kept moist until ready for polishing.

The in-situ terrazzo paving should be laid in panels separated by dividing strips in

the positions shown on the drawings. Dividing strips are to be white plastic the

full depth of the paving and screed and bedded into the screed with the top edges

truly levelled with the finished polished floor level. The thickness of the dividing

strips is to be 5 mm.


Polishing of in-situ terrazzo paving is to be carried out by a mechanical polisher

with graded abrasives and any necessary water. Making good of any defects

during polishing is to be done with a cement grout matching in colour that is used

in terrazzo paving.

The finish of in-situ terrazzo paving is to be smooth and imperforate and is to be


The terrazzo is to be washed clean on completion and covered with a thick bed of

sawdust or other approved protective layer. This should be maintained and

renewed as necessary and cleared away on completion.

Lay in-situ skirtings to match paving or of approved colour and finish coved at

junction with paving or floor finish to 20 mm radius. Execute all required angles

and stopped or fair returned ends.

Vertical dividing strips to match those used in paving are required at not more

than three feet intervals. A dividing strip is required between paving and skirting

at the commencement of coving.

Facing of dividing strip nearest wall to be 200 mm from face of skirting.

A horizontal dividing strip is required at top of skirting finished flush with wall

finish over.

Where in-situ terrazzo skirtings are required under door frames, e.t.c., a pencil

round junction is to be made with threshold paving in lieu of coving as shown on

drawing.

In-situ margins shall have dividing strips to match those used in pavings. They

shall be positioned at junctions with paving and skirting and transversely at not

more than three feet intervals to continue vertical strip in skirting.

All internal angles and coves are to be rubbed by hand with carborundum block to

be polished finish matching the finish of the paving to the Architect’s approval.

5.17. Surface hardeners

Floor hardeners shall comprise an approved type guaranteed by the makers to

produce a hard dense concerete with high abrasive resistance, impervious to the

penetration of heavy oils, acid or alkali solutions and to be used strictly in

accordance with the maker’s instructions.

The first dressing of sodium silicate for granolithic flooring shall be one part of

sodium silicate to six parts of water by volume.


Subsequent dressing shall be composed of one part of sodium silicate to four parts

of water by volume, for all surfaces. The two liquids shall be well mixed

together, sprayed over the flooring and spread evenly with a mop or soft brush,

any excess being wiped off and the flooring allowed to dry for at least 24 hours

after each dressing. After final drying, floors shall be washed with clean water.

5.18. Rates of in-situ work

The rates for in-situ work shall include for raking out joints of blockwork or

bonding coat or spraying cement slurry on new concrete surfaces to form key, for

work in narrow widths, small and isolated areas, rounded arrises, fair and

chamfered edges, for making good up to boundaries of other work for making

good and working around pipes, brackets, e.t.c., and for all other incidental

labours.

Rates shall also include for masking before the application of spray finishes

work executed overhead, temporary rules, supports, screeds and templates.

TILES, SLAB AND BLOCK FINISHINGS

5.19. Vinyl Asbestos tiles

Vinyl asbestos floor tiles shall comply with BS 3260 of an approved manufacturer

to patterns as directed by the Architect. Adhesives are to be as recommended by

the manufacturer in writing and approved by the Architect.

The tiles are to be laid and bedded direct in adhesive on to a cement and sand bed

to make up the total paving thickness.

The cement and sand screed is to be finished with a steel trowel to a perfectly

smooth surface before the application of the mastic and tiling.

On completion the vinyl asbestos tiles are to be sealed and polished with wax all

in accordance with the manufacturer’s printed instructions.

5.20. Clay tile paving

Clay tile pavings are to be in 150 mm x 150 mm tiles obtained from an approved

manufacturer, and are to be laid on prepared screeds. The tiles are to be bedded in

cement and sand (1:4) with straight joints in each direction. Upon completion

grout in cement and wash and clean down. Tiles are be cut with an electric tile

cutting saw.

5.21. Glazed wall tiles

Glazed wall tiles shall be in accordance with B.S. 1281 and shall be 108 mm x

108 mm x 6 mm tiles from the standard colour range with cushion edges. Wall

tiling shall be carried out in accordance with C.P. 212 or any other specified size.


5.22. Precast concrete paving slabs

To be all in accordance with B.S. 368. The slabs are to be of the sizes given

herein and bedded, jointed and pointed in cement lime mortar (1:2:9).

5.23. Rates

The rates for tile, slab and block finishings shall include for rounded edge tiles

and angles, cutting and fitting up to boundaries and around pipes, brackets, e.t.c.

and waste; for work in narrow widths, small and isolated areas and for all other

incidental labours.

PART 6 – GLAZING

MATERIALS

6.1 General

Glass used in glazing for mirrors shall be best quality clear glass free from visible

defects so as to afford uninterrupted vision or reflection as appropriate, and

without obvious distortion.

6.2. Standards

Glass for glazing and mirrors shall be of approved manufacture and is to comply

with B.S. 952 in all respects free from flaws, bubbles, specks and other

imperfections.

6.3. Clear sheet glass e.t.c.

The clear sheet glass shall be ordinary glazing (OG) quality.

6.4 Plate glass

Polished plate and Georgian wired polished plate glass to be selected glazing (SG)

quality.

6.5. Obscured glass

To be of type described and as approved by the Architect.

6.6. Solar glass


Solar control glass is to be obtained from a manufacturer approved by the

Architect. Details of the characteristic and properties of the glass are to be

provided to the Architect before ordering.

Solar glass is to be of the spectra float type incorporating metallic irons in the

glass with a bronze tinted colour unless otherwise specified thickness of glass is

to be 6 mm.

6.7. Safety glass

Where safety glass is required this shall be Triplex.

6.8. Glazing gaskets

Glazing to metal frames shall be secured with clip-in gasket of butyl rubber. The

gaskets shall be of size and section to suit the frame and glazing so as to provide

a weather and air-tight seal. The mechanical properties of the gasket shall be such

as to resist the climatic conditions experienced in Kenya.

6.9. Washleather

Washleather shall be best quality chamois oil curved natural coloured. Where

washleather is called for an approved substitute may be employed.

6.10. Putty

(a) The putty for glazing to wood sashes is to be linseed oil putty all as

B.S. 544.

(b) The putty for glazing to metal windows is to be gold size metal

window putty specially designed for tropical use, or patent mastic putty if


(c) All putty shall be delivered on site in the original manufacturer’s sealed

cans or drums and used direct therefrom, with the addition only of pure linseed

oil if necessary. No mineral or other oils may be used in the putty except

genuine linseed oil.

6.11. Mirrors

Mirror shall be polished float glass silvering quality, protected at back with

electro-copper backing coated with Shellac varnish and paint. The mirrors are to

be fixed with chromium plated dome headed mirror screws with plastic or rubber

distance pieces and washers unless otherwise stated and rates shall include for

this.


WORKMANSHIP

6.12. General


Glazing of all types and in all locations shall be carefully executed by artisans

skilled in this type of work and in conformance with the recommendations of C.P.

152. glazing shall be carefully fitted so that it is not subject to pressure and

stresses imposed by being an overtight fit within the framing.

6.13. Measurements

Each element (door, window, e.t.c.) to receive glass shall be accurately measured

to ensure a perfect fit subsequently.

6.14. Single glazing

Single glazing shall be executed with glass of the various types descried herein.

Ordinary (non-safety) glass maybe pre-cut or cut on site.

6.15. Wired glass

Wired glass shall be cut so that the wires embedded are truly vertical and

horizontal (i.e. at right angles to the cut edges).

6.16. Safety glass

Safety glass shall be factory cut before delivery to site. Site cutting will not be

permitted.

6.17. Storage and handling

Glass shall be delivered to site in stout containers and clearly marked. The

containers shall incorporate sling attachment points for lifting bridles. Glass shall

be stored under cover so that the panes are truly vertical.

6.18. Protection

After fixing glass shall be boldly marked with paper or whitewash so that is

clearly visible. In positions where damage due to construction traffic or activity is

likely to occur stout screens composed of hardboard or fibreboard on battens shall

be arranged to protect the glass.

6.19. Damage

Should any glass delivered to site be found to be damaged it shall not be

incorporated into the works without the express permission of the Architect.

Should glazing installed be damaged for any reason it shall be removed and

replaced free of charge to the satisfaction of the Architect. Should any adjacent

works be damaged this shall equally be reinstated free of charge to the satisfaction

of the Architect.

6.20. Defective work


All glass shall be checked before installation to ensure that defective glass is not

installed. Notwithstanding this, if in the opinion of the Architect, any installed

glazing is defective it shall be removed and replaced free of charge to the

satisfaction of the Architect.

6..21. Glazing to wood

Glazing shall be secured to wood framing with hardwood beads. Edges shall be

wrapped in washleather so that the washleather finishes just below the surface of

the bead. No adhesives shall be used.

6.22. Glazing to metal

Glazing shall be secured to metal framing with clip in butyl rubber gaskets.

6.23. Glass thickness

Glass thickness shall conform to the recommendations of C.P. 152 and the

manufacturer’s recommendations for sizes of panes relative to the position in the

building and the effects of wind pressure (both negative and positive).

6.24. Cleaning

All windows glazed panels and mirrors shall be cleaned both inside and out

immediately prior to the handing over of the building to the satisfaction of the

Architect.

SPECIFICATIONS PAINTING AND DECORATION

PART 7

MATERIALS

7.1 Manufacturers

Except where stated all materials shall be obtained from approved manufacturers.

The contractor shall state the name and address of the manufacturer whose

materials be proposed to use. Once approval has bee given the contractor shall not

obtain materials from other sources without the prior written agreement of the

Architect.

7.2 General

Each succeeding coat of priming undercoating and finishing (pigment) or clear

coating shall be sufficiently different in colour as to be readily distinguishable.

All primers and paints in one system upon a particular surface shall be obtained

from the same manufacturer.

The mixing of paints, etc., of different brands before or during application will not

be permitted.


7.3 Emulsion Paints

Emulsion paints shall be matt or satin finish vinyl emulsion paint.

The first (mist) coat shall be thinned in accordance with the manufacturer’s

instructions

7.4 Gloss Paints

Gloss paints shall be hard gloss finish oil paint.

7.5 Lead based paints

The use lead based paints will not be permitted.

7.6 Clear finishes

Clear finishes internally shall be clear polyurethane varnish (one park).

7.7 Primers and undercoats

Unless otherwise specified, primers and undercoats shall be the type

recommended by the manufacturer of the finishing coats specified for a particular

surface. Primer for external bare metalwork surfaces shall comply with B.S. 2523.

7.8 Knotting

Shellac knotting shall comply with B.S. 1336.

7.9. White spirit

The white spirit shall comply with B.S. 245.

7.10 Timber stain

Timber stain shall be oil based pigmented stain. The application of this material

shall be strictly in accordance with the manufacturers written instructions. Tin and

degree of application shall be to the approval of the architect.

7.11 Stopping

The stopping shall be as follows:-

(a) Plasterwork shall be plaster based filler.

(b) Concrete and brickwork shall be similar material to the background and

finished in a similar texture.

(c) Internal woodwork, plywood and blockboard shall be putty complying with B.S. 544.

(d) External woodwork shall be white lead paste complying with B.S. 2029.

(e) Internal clear wood finishes: the stopping shall be that recommended by the

clear lacquer manufacturer.


7.12 Fillers

The fillers for internal joinery shall be the type recommended by the paint

manufacturer for use with his type of paint or lacquer.

Stopper and fillers shall be tinted to match the undercoat, and shall be compatible

with both undercoats and primers.

All materials shall be used strictly in accordance with the manufacturer’s

instructions.

7.13 Textured coating

Textured coating is to be of proprietary manufacturer approved by the Architect

of an approved colour.

Technical information concerning the coating is to be submitted to the architect

before ordering, but the minimum qualities of the coating are to be as follows:-

(a) Suitable for application internally and externally to plastered, rendered,

concrete, block, stone, brick, asbestos and timber surfaces.

(b) Minimum durability of 10 years even in expose conditions.

(c) Maintenance free.

(d) Built-in mould resistant fungicide.

WORKMANSHIP

7.14 General

Workmanship generally shall be carried out in accordance with B.S. C.P. 231,

unless otherwise specified.

Before painting is commenced floors shall be swept and washed over: surfaces to

be painted shall be cleaned before applying paint as specified, and all precautions

taken to keep down dust whilst work is in progress.

No paint shall be applied to surfaces structurally or superficially damp and all

surfaces must be ascertained to be free from condensation, efflorescense, etc. ,

before the application of each coat.

No painting shall be carried out externally during humid, rainy, damp, foggy or

freeing conditions, conditions where surfaces have attained excessively high

temperatures or during dust storms.

No new primed or undercoated woodwork and metalwork shall be left in an

exposed or unsuitable situation for un undue period before completing the

process.


No dilution of paint materials shall be allowed except strictly as detailed by the

manufacturers and own direction, either on the containers, or their literature, and

with the special permission of the Architect. For external work dilution of paints

will not allowed whatsoever. For internal work, where permitted by the

Architect, undercoats may be thinned by the addition of not more than 5%

thinners. Gloss finish shall not be thinned at all.

Metal fittings such as ironmongery etc. , not required to be painted shall first be

fitted and then remove before the preparatory process are commenced. When all

painting is completed the fittings shall be cleaned as necessary and refixed in

position.

7.15 Brushwork

Unless otherwise specified, all primers and paints shall be brush applied; written

permission must be obtained from the Architects if an alternative method of

application is to be used.

7.16 Stopping and filling

Unless otherwise specified by the paint manufacturer all primers and undercoats

shall be stopped flush and rubbed down to a smooth surface with an abrasive

paper and all dust removed before each succeeding coat is applied. Care shall be

taken to prevent burnishing of the surface.

7.17 Stirring

Unless otherwise specified by the paint manufacturer all paint materials shall be

thoroughly mixed and/or stirred before and during use, and suitably strained as and

when necessary.

7.18 Inspection

No priming coats shall be applied until the surfaces have been inspected and the

preparatory work has been approved by the Architect. No undercoats or finishing

coats shall be applied until the previous coat has been similarly inspected and

approved.

7.19 Paint application

Each coat of paint shall be so applied as to produce a film of uniform thickness.

All paint shall be applied in accordance with the manufacturer’s instruction.

Special attention shall be given to ensure that all surfaces including edges, corners,

crevices, welds and rivets receive a film thickness equivalent to that of adjacent

painted surface.

7.20 Drying


All coats shall be thoroughly dried before succeeding coats are applied. Allow a

minimum of 24 hours between applications on any one surface, unless otherwise

specified by the manufacturer.

7.21 Unprimed woodwork

Unprimed woodwork scheduled to be painted shall be rubbed down with abrasive

paper and dusted off. Care shall be taken to prevent ‘ burnishing’ of the surface.

All knots and resinous areas shall be coated with two coats of knotting. Pitch on

large, open unseasonable knots and all other beads or streaks of pitch shall be

scraped off, or if still soft, shall be removed with the white spirit before applying

the knotting. Apply one coat of priming to all surface, two coats to all grain, to be

subsequently painted. Backs of all wood frames in contact with concrete,

brickwork, blockwork and metalwork or similar materials shall be primed before

fixing. After priming all joints, holes, cracks shall be stopped and filled, rubbed

down and dusted off.

7.22 Primed woodwork

Woodwork delivered primed shall be lightly rubbed down with abrasive paper,

and dusted off. Touch up bare areas with a similar priming including open grained

ends. After touch priming all joints, holes, cracks and open grained ends shall be

stopped and filled, rubbed down and dusted off.

7.23 Plywood and blockboard

Edges of exterior plywood and blockboard shall be sealed with two coats of of

aluminium primer and the backs treated with alead primer.

7.24 Clear finished woodwork

All woodwork scheduled to receive a clear finish shall be well sanded with the

grain removing all dirt etc., to give as smooth a surface as possible. Resinous

timber shall be swabbed down with the white spirit and dried thoroughly. Split or

end grain shall be filled with suitable filler recommended by the clear lacquer

manufacturer, in accordance with their instructions, and of the appropriate shade.

7.25 Bare metalwork

Bare metalwork shall be thoroughly cleaned off all dirt, grease, rust and scale by

means of chipping and wire brushing; particular attention should be given to the

cleaning of welded, brazed and soldered joints. Wash down with white spirit and

wipe dry with clean rags. Apply a coat of metal primer immediately the cleaned

surfaces have been approved by the Architect.

7.26 Galvanized metalwork

Galvanized metalwork scheduled for painting shall be thoroughly cleaned of dirt,

greased, dusted and washed down with white spirit and wiped dry with clean rags.

Any minor areas of rust shall be removed by wire brushing and spot primed with a

zinc rich primer. Apply at least one coat of calcium plumbate primer to all surface

subsequently to be painted.


7.27 Primed metalwork

If the priming coat of pre-primed metalwork has suffered damage in transit, or

during erection on site, the affected areas shall be cleaned off by wire brushing,

abrading and dusting off, the bared patches touched up with a primer of a similar

type to that already applied.

7.28 Copper

Copper schedule for painting shall be lightly abraded with emery cloth, washed

with white spirit and wiped dry with clean rags. Apply a coat of etch primer

immediately the cleaned surfaces have been approved.

7.29 Brickwork, concrete, e.t.c.

All brickwork, blockwork, concrete, rendered and plaster surfaces scheduled to be

painted shall be brushed down, all holes and cracks filled, all projections such as

plaster or mortar splashed etc., removed to leave suitable dust free surface. All

traces of mould oil shall be removed from concrete surface by scrapping with

water, detergent and rinsing with clean water. All this surfaces shall be thoroughly

dry before any primer or pains are applied. Apply a coat of alkali resisting primer

where surfaces are to be finished with oil paints or alkyd resin type emulsion.

7.30 Colours

The colours will be selected by the Architect from the paint manufacturers

standard colour range.

7.31 Toxic wash

Concrete, blockwork, plaster and timber surfaces which are to be painted shall be

washed down prior to painting with a toxic wash applied by brush or spray. A

second wash shall be applied two days after the first wash. The surfaces shall be

then allowed to dry out completely before application of paint.

7.32 Protection

Proper care must be taken to protect surfaces while still wet by using of screens

and ‘ wet paint’ signs where necessary.

7.33 Damage

Care must be taken when preparing surfaces, or painting etc., not to stain or

damage other work. Dust sheet and covers to the satisfaction of the Architect

shall be used to protect and adjacent work. Any such stains or damage shall be

removed and made good at the contractor’s expense.

7.34 Cleanliness

All the brushes, tools, pails, kettles and equipment shall be clean and free from

foreign matter. They shall be thoroughly cleaned after use and before being

used for different colours, types or classes of material. Painting shall not be


carried out of the vicinity of other operations that may cause dust. Waste

liquids, oil soaked rag, etc., shall be removed from the building each day. Waste

liquids shall not be thrown down in any sanitary fittings or drains.

7.35 Performance

If, while the work is in progress, the paint appears to be faulty, such as

consistency of colour, drying time, or quality of finish, the work shall be

stopped at once and the manufacturer consulted.

The manufacturers of the materials shall be given every facility of inspecting

the work during progress in order to ascertain that the materials are being used

in accordance to their directions, and to take samples of their products from

the site if they so desire for tests.

The finishing coats of the various paints or surface finishings shall be free from

sags, brush marks, runs, wrinkling, dust, bare or ‘starved’ patches, variations in

colour and texture , and other blemishes.

When the work has been completed, the finished surfaces shall not be inferior

in quality, colour and finish to the samples approved by the Architect, and

imperfections in manufacture shall not be apparent through these finished

surfaces.

In the event that the Architect is not satisfied that the quality of finish does not

comply with the required standards and/or the sample panel the contractor will

be required to repaint at his own expense, such work to the satisfaction of the

Architect. If in the opinion of the Architect it is necessary to remove

completely the unsatisfactory paintwork this shall also be done under the

direction of the Architect at the expense of the contractor.

7.36 Packaging, delivery and storage

All paints and surface coatings shall be delivered in sound sealed containers,

labelled clearly by the manufacturers, the label or decorated container must

state the following:-

(a) The type of product.

(b) The brand name and colour

(c) The use for which it is intend.

(d) The manufacturers batch number.

(e) The B.S number if applicable.

(f) All labels shall be printed- containers bearing typewritten labels will not be

accepted.


Materials shall be stored under cover in accordance with manufacturers

instructions, and with local fire and safety regulations. The store itself must

be maintained at a temperature of not less than 50 degrees F (10 degrees C)

and must not be subjected to extreme changes of temperature.

The patch deliveries are to be dated and used strictly in order of delivery.

7.37 Vinyl emulsion paint

Surfaces to be painted shall receive one mist coat followed by two full coats of

vinyl emulsion paint. Application may be by means of rollers or brushes.

7.38 Gloss finish paint

Surfaces to be painted shall be primed then painted with two undercoats followed

by one coat gloss finish paint.

7.39 Clear polyurethane varnish

Surfaces to be clear varnished shall be treated with two coats polyurethane

varnish.

7.40 Textured coating

The manufacturers instructions concerning application of the coating are to be

strictly followed under direction of the Architect.

All surfaces to receive textured coatings are to be clean and dry with surfaces

scraped and brushed before application of the coating.

Application of the coating is to be with textured roller or fibre brush as

directed by the Architect with a minimum spreading capacity of 1 kilogramme

per square metre . Under no circumstances is the coating to be thinned.


PART II

FINANCIAL BID

(To be enclosed in a separate envelope from the

Technical Bid)

NOTE: All Prices quoted should be inclusive

of VAT.


APPENDIX “A”

REHABILITATION WORKS OF UHT STORES AT SOSIANI NEW KCC FACTORY

SCHEDULE OF UNIT RATES

Notes:

This schedule of unit rates forms part of the tender


It shall be completed fully, in every details, and with reasonable rates. The tenderer may

add any item (s) considered necessary.

The unit rates shall include for supply, insurance, delivery to site, storage, installation,

setting to work, profit and overhead, and any other obligations which may arise during

installation/works.

The schedule of unit rates shall be included in the “tender analysis” and may be the cause

of the exclusion of a tenderer.

No quantities shall be included on the schedule and it will be for the tenderer to estimate,

the amount of work in the project.

The schedule of unit rates detailed will be part of analysis and evaluation of the tenders

regardless of whether the item is related to the actual work or not and thus should be fully

filled.


APPENDIX ‘B’

SCHEDULE OF DAYWORK RATES

ONLY RATES TO BE INSERTED IN THIS BILL AND SHOULD NOT BE EXTENDED AT ALL

ITEM DESCRIPTION QTY UNIT RATE SHS CTC

LABOUR

Note: The categories listed

1

2

2.1

2.2

2.3

2.4

2.5

are those relating to the

Building & Construction

Industry in Kenya

LABOURERS

GENERAL TRADESMEN

Carpenters

Masons,

Joiners,

Stone Dressers,

Brick Layers,

Plasters,

Electricians,

Decorators,

Metal workers, Terrazzo paviors,

Painters,

Steel fixers,

Asphalters,

Floor layers,

Roofers and Steel Erectors,

Drilling Rig Operations,

Pipe Fitters and plumbers

Tradesmen: Learner Grade

Tradesmen: Ungraded

Tradesman: Grade 111

Tradesman: Grade 11

Tradesman: Grade1

100

20

20

20

20

20

Hour

Hour

Hour

Hour

Hour

Hour

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-


ITEM DESCRIPTION QTY UNIT RATE SHS CTS

3

3.1

PLANT OPERATORS

Greasers

20

Hour

-

-


3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

3.11

4

4.1

4.2

4.3

5

5.1

5.2

5.3

5.4

5.5

5.6

5.7

Plant Attendant: Compressor Driver

Plant : Mixer Driver

Plant : Banksmen

Plant : Hoist

Small pneumatic plant operators

Jackhammer operators

Dumper drivers (2 tonnes & under)

class 1

(Light-traced Tractors D4 etc) class

2

(Light-traced tractors D4 etc)

Heavy plant operators (D7, 995) Tractors, Grader, Excavators

VEHICLE OPERATORS

Turnboy, Greasers & Tyremen

Truck Drivers: under 8 tonne (load)

Truck Drivers under 8 tonne (load)

with or without trailer

PLANT

(Working Time)

Compressors (portable

3.0m3/minutes)

Compressor tool & 15 m Hose.

Pneumatic pick

Agriculture Tactor

Mixer (0.40/0.28m3

Pocker vibrators (petrol)

Dumper (0.38m3)

20

20

20

20

20

20

20

20

20

20

20

20

20

1

1

1

1

1

1

1

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ITEM DESCRIPTION QTY UNIT RATE SHS. CTC


5.8

5.9

5.10

5.11

5.12

5.13

5.14

5.15

5.16

5.17

5.18

5.19

5.20

5.21

5.22

5.23

5.24

5.25

5.26

5.27

5.28

5.29

Dumper (0.76m3)

Tractor (30h.p)

Tractor (2 tonne diesel)

Tractor (5 tonne diesel)

Vibrating roller (35 kg. hang guided)

Bulldozer (D4)

Bulldozer (D7)

Motor Grader (3.6 m blade)

6-8 tonne smooth wheeled roller

10-12 tonne smooth wheeled

roller

Excavator (0.38 m3)

Excavator (0.57m3)

Excavator (0.76m3)

Self propelled water tanker

Van (1.5. tonne

Lorry (5 tonne tipper)

Lorry (7 tonne tipper)

Pump (50mm) with hoses

Pump (80) with hoses

Soil compactor (25 kg.)

Oxy-acetylene cutting & welding

set excluding oxygen and

acetylene

Electric welding set excluding

electrodes

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

hour

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ITEM DESCRIPTION QTY UNIT RATE SHS. CTS

6 MATERIALS 1

tonne

-

-


6.1

6.2

6.3

6.4

6.5

6.7

6.8

6.9

6.10

6.11

6.12

6.13

6.14

6.15

6.15

6.16

6.17

6.18

6.19

6.20

6.21

6.22

6.23

6.24

6.25

Ordinary Portland cement

Rapid hardening portland cement

Graded coarse aggregate

Graded fine aggregate

Mild steel Round Bar for reinforcement.

Building Sand

Sawn Timber 10 - 30mm thick

Wrought Timber 10 - 30mm thick

Oxygen ( per cylinder)

Acetylene (per cylinder)

Welding Eletrodes (per 5kg packet)

Free Draining fill size 75 mm – 25mm

Graded Gravel size 20 mm – 5mm

Hardcore

Rock pitching

Murram alternative to 9.62

115 x51 Z-purlins Z53

80 x 80 x3mm RHS

75 x75 x6mm Angle

50 x 50 x 6 mm Angle

25 x 50 x 4 mm Angle

200mm thick hard natural stones

150mm thick hard natural stones

200mm thick hard machine cut stones

150mm thick hard machine cut stones.

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

tonne

m3

m3

tonne

m3

m3

tonne

No.

No.

No.

m3

m3

m3

m3

m3

Lm

Lm

Lm

Lm

Lm

SM

SM

SM

SM

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-


APPENDIX ‘C’

ELECTRICAL INSTALLATION


1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

Installation in Buildings Cables from East Africa cables and

fitting England or equal and approved.

Provide and fix complete one gang one

way switch and cabling as per the

specifications.

Ditto two gang one way.

Ditto three gang one way

Provide and fix complete on gang two

way switch and cabling as per

specifications.

Provide and fix complete telephone

outlet and cabling as per specifications.

Provide and fix complete a suitable

main Distribution Board equipment for

the stores.

Provide and install as necessary earthing

electrode as per specifications.

Provide and install complete Lightning

arrestors suitable for project.

Provide and install complete the

following:-

35mm2 4 core cable

25mm2 4 core cable

16mm2 4 core cable

10mm2 4 core cable

16mm2 single core cable

10mm2 single core cables

32mm dia. Steel conduit



32mm dia upvc conduit

25mm dia. Upvc conduit

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

NO

No

No

No

NO

NO

NO

No

M

M

M

M

M

M

M

M

M

M

M



20

21

22

23

24

25

26

27

28

29

30

31

32

20 mm dia upvc conduit

Provide and install complete the

following:-

5ft. fluorescent fittings (f.f.)

with metal louvers for the and

including the 2 x 40 w lamps

5 ft. f.f. for and including the 2

x 40w lamps with metal louvers

for the reflectors.

5 ft. f.f. for and including the 2

x 65w lamp bare batten.

5 ft. waterproof f.f for and

including the 2 x 40w lamps

with unbreakable polyester on

top and clear plexiglass below

5 ft., 2 x 4ow lamp with metal

reflectors and white lamellas.

2x 80w fluorescent bulk head

fittings

1 x 100w pendant lamp fittings.

13A fused two gang socket

outlet and cabling

Ditto one gang ditto

1.5mm2 single cable.

2.5mm2 single cable

4.0mm2 single cable

1

1

1

1

1

1

1

1

1

1

1

1

1

M

NO

NO

NO

NO

NO

NO

NO

NO

NO

M

M

M


INSTRUCTIONS TO TENDERERS.

1. General/Eligibility/Qualifications/Joint venture/Cost of tendering

1.1 The Employer as defined in the Appendix to Conditions of Contract

invites tenders for Works Contract as described in the tender documents.

The successful tenderer will be expected to complete the Works by the

Intended Completion Date specified in the tender documents.

1.2 All tenderers shall provide the Qualification Information, a statement that

the tenderer (including all members of a joint venture and subcontractors)

is not associated, or has not been associated in the past, directly or indirectly,

with the Consultant or any other entity that has prepared the design,

specifications, and other documents for the project or being proposed as

Project Manager for the Contract. A firm that has been engaged by the

Employer to provide consulting services for the preparation or

supervision of the Works, and any of its affiliates, shall not be eligible to

tender.

1.3 All tenderers shall provide in the Form of Tender and Qualification

Information, a preliminary description of the proposed work method and

schedule, including drawings and charts, as necessary.

1.4 In the event that pre-qualification of potential tenderers has been

undertaken, only tenders from pre-qualified tenderers will be considered

for award of Contract. These qualified tenderers should submit with their

tenders any information updating their original pre-qualification

applications or, alternatively, confirm in their tenders that the originally

submitted pre-qualification information remains essentially correct as of

the date of tender submission.

1.5 Where no pre-qualification of potential tenderers has been done, all

tenderers shall include the following information and documents with their

tenders , unless otherwise stated:

(a) copies of original documents defining the constitution or legal

status, place of registration, and principal place of business; written

power of attorney of the signatory of the tender to commit the

tenderer:

(b) total monetary value of construction work performed for each of

the last five years:


(c) experience in works of a similar nature and size for each of the last

five years, and details of work under way or contractually

committed; and names and addresses of clients who may be

contacted for further information on these contracts;

(d) Major items of construction equipment proposed to carry out the

Contract and an undertaking that they will be available for the

Contract.

(e) Qualifications and experience of key site management and

technical personnel proposed for the Contract and an undertaking

that they shall be available for the Contract.

(f) reports on the financial standing of the tenderer, such as profit and

loss statements and auditor’s reports for the past five years;

(g) evidence of adequacy of working capital for this Contract (access

to line(s) of credit and availability of other financial resources);

(h) authority to seek references from the tenderer’s bankers;

(i) information regarding any litigation, current or during the last five

years, in which the tenderer is involved, the parties concerned and

disputed amount; and

(j) Proposals for subcontracting components of the Works amounting

to more than 10 percent of the Contract Price.

1.6 Tenders submitted by a joint venture of two or more firms as partners shall

comply with the following requirements, unless otherwise stated:

(a) the tender shall include all the information listed in clause 1.5

Above for each joint venture partner;

(b) the tender shall be signed so as to be legally binding on all

partners;

(c) all partners shall be jointly and severally liable for the execution

of the Contract in accordance with the Contract terms;

(d) one of the partners will be nominated as being in charge,

authorised to incur liabilities, and receive instructions for and on

behalf of all partners of the joint venture; and

(e) the execution of the entire Contract, including payment, shall be


done exclusively with the partner in charge.

1.7 To qualify for award of the Contract, tenderers shall meet the following

minimum qualifying criteria;

(a) annual volume of construction work of at least 2.5 times the estimated

annual cashflow for the Contract;

(b) experience as main contractor in the construction of at least

(c) two works of a nature and complexity equivalent to the Works

over the last 10 years (to comply with this requirement, works cited

should be at least 70 percent complete);

(d) proposals for the timely acquisition (own, lease, hire, etc.) of the

essential equipment listed as required for the Works;

(e) a Contract manager with at least five years’ experience in works of an

equivalent nature and volume, including no less than three years as

Manager; and

(f) liquid assets and/or credit facilities, net of other contractual

commitments and exclusive of any advance payments which may be

made under the Contract, of no less than 4 months of the estimated

payment flow under this Contract.

1.8 The figures for each of the partners of a joint venture shall be added

together to determine the tenderer’s compliance with the minimum

qualifying criteria of clause 1.7 (a) and (e); however, for a joint venture to

qualify, each of its partners must meet at least 25 percent of minimum

criteria 1.7 (a), (b) and (e) for an individual tenderer, and the partner in

charge at least 40 percent of those minimum criteria. Failure to comply

with this requirement will result in rejection of the joint venture’s tender.

Subcontractors’ experience and resources will not be taken into account in

determining the tenderer’s compliance with the qualifying criteria, unless

otherwise stated.

1.9 Each tenderer shall submit only one tender, either individually or as a

partner in a joint venture. A tenderer who submits or participates in more

than one tender (other than as a subcontractor or in cases of alternatives

that have been permitted or requested) will cause all the proposals with the

tenderer’s participation to be disqualified.


1.10 The tenderer shall bear all costs associated with the preparation and

submission of his tender, and the Employer will in no case be responsible or

liable for those costs.

1.11 The tenderer, at the tenderer’s own responsibility and risk, is encouraged

to visit and examine the Site of the Works and its surroundings, and obtain

all information that may be necessary for preparing the tender and entering

into a contract for construction of the Works. The costs of visiting the Site

shall be at the tenderer’s own expense.

1.12 The procuring entity’s employees, committee members, board members

and their relative (spouse and children) are not eligible to participate in the

tender.

1.13 The price to be changed for the tender document does not exceed

Kshs.5,000/=

1.14 The procuring entity shall allow the tenderer to review the tender

document free of charge before purchase.

2. Tender Documents

2.1 The complete set of tender documents comprises the documents listed

below and any addenda issued in accordance with Clause 2.4.

(a) These Instructions to Tenderers

(b) Form of Tender and Qualification Information

(c) Conditions of Contract

(d) Appendix to Conditions of Contract

(e) Specifications

(f) Drawings

(g) Bills of Quantities

(h) Forms of Securities

2.2 The tenderer shall examine all Instructions, Forms to be filled and

Specifications in the tender documents. Failure to furnish all information

required by the tender documents, or submission of a tender not

substantially responsive to the tendering documents in every respect will

be at the tenderer’s risk and may result in rejection of his tender.

2.3 A prospective tenderer making an inquiry relating to the tender documents

may notify the Employer in writing or by cable, telex or facsimile at the

address indicated in the letter of invitation to tender. The Employer will


only respond to requests for clarification received earlier than seven days

prior to the deadline for submission of tenders. Copies of the Employer’s

response will be forwarded to all persons issued with tendering

documents, including a description of the inquiry, but without identifying

its source.

2.4 Before the deadline for submission of tenders, the Employer may modify

the tendering documents by issuing addenda. Any addendum thus issued

shall be part of the tendering documents and shall be communicated in

writing or by cable, telex or facsimile to all tenderers. Prospective tenderers

shall acknowledge receipt of each addendum in writing to the Employer.

7

2.5 To give prospective tenderers reasonable time in which to take an

addendum into account in preparing their tenders, the Employer shall

extend, as necessary, the deadline for submission of tenders, in accordance

with Clause 4.2 here below.

3. Preparation of Tenders

3.1 All documents relating to the tender and any correspondence shall be in

English language.

3.2 The tender submitted by the tenderer shall comprise the following:

(a) These Instructions to Tenderers, Form of Tender, Conditions of

Contract, Appendix to Conditions of Contract and Specifications;

(b) Tender Security;

(c) Priced Bill of Quantities ;

(d) Qualification Information Form and Documents;

(e) Alternative offers where invited; and

(f) Any other materials required to be completed and submitted by the

tenderers.

3.3 The tenderer shall fill in rates and prices for all items of the Works

described in the Bill of Quantities. Items for which no rate or price is

entered by the tenderer will not be paid for when executed and shall be

deemed covered by the other rates and prices in the Bill of Quantities. All


duties, taxes, and other levies payable by the Contractor under the

Contract, or for any other cause relevant to the Contract, as of 30 days

prior to the deadline for submission of tenders, shall be included in the tender

price submitted by the tenderer.

3.4 The rates and prices quoted by the tenderer shall only be subject to

adjustment during the performance of the Contract if provided for in the

Appendix to Conditions of Contract and provisions made in the

Conditions of Contract.

3.5 The unit rates and prices shall be in Kenya Shillings.

3.6 Tenders shall remain valid for a period of sixty (90) days from the date of

submission. However in exceptional circumstances, the Employer may

request that the tenderers extend the period of validity for a specified

additional period. The request and the tenderers’ responses shall be made

in writing. A tenderer may refuse the request without forfeiting the

Tender Security. A tenderer agreeing to the request will not be required or

permitted to otherwise modify the tender, but will be required to extend

the validity of Tender Security for the period of the extension, and in

compliance with Clause 3.7 - 3.11 in all respects.

3.7 The tenderer shall furnish, as part of the tender, a Tender Security in the

amount and form specified in the appendix to invitation to tenderers. This

shall be in the amount not exceeding 2 percent of the tender price

3.8 The format of the Tender Security should be in accordance with the form

of Tender Security included in Section G - Standard forms or any other

form acceptable to the Employer . Tender Security shall be valid for 30

days beyond the validity of the tender.

3.9 Any tender not accompanied by an acceptable Tender Security shall be

rejected. The Tender Security of a joint venture must define as

“Tenderer” all joint venture partners and list them in the following

manner: a joint venture consisting of”…………”,”…………”,and

“…………”.

3.10 The Tender Securities of unsuccessful tenderers will be returned within 28

days of the end of the tender validity period specified in Clause 3.6.


3.11 The Tender Security of the successful tenderer will be discharged when

the tenderer has signed the Contract Agreement and furnished the required

Performance Security.

3.12 The Tender Security may be forfeited

(a) if the tenderer withdraws the tender after tender opening during the

period of tender validity;

(b) if the tenderer does not accept the correction of the tender price,

pursuant to Clause 5.7;

(c) in the case of a successful tenderer, if the tenderer fails within the

specified time limit to

(i) sign the Agreement, or

(ii) Furnish the required Performance Security.

3.13 Tenderers shall submit offers that comply with the requirements of the

tendering documents, including the basic technical design as indicated in the

Drawings and Specifications. Alternatives will not be considered, unless

specifically allowed in the invitation to tender. If so allowed, tenderers

wishing to offer technical alternatives to the requirements of the tendering

documents must also submit a tender that complies with the requirements of

the tendering documents, including the basic technical design as indicated

in the Drawings and Specifications. In addition to submitting the basic

tender, the tenderer shall provide all information necessary for a complete

evaluation of the alternative, including design calculations, technical

specifications, breakdown of prices, proposed construction methods and

other relevant details. Only the technical alternatives, if any, of

the lowest evaluated tender conforming to the basic technical requirements

shall be considered.

3.14 The tenderer shall prepare one original of the documents comprising the

tender documents as described in Clause 3.2 of these Instructions to

Tenderers, bound with the volume containing the Form of Tender,

and clearly marked “ORIGINAL”. In addition, the tenderer shall submit

copies of the tender, in the number specified in the invitation to tender,

and clearly marked as “COPIES”. In the event of discrepancy between

them, the original shall prevail.


3.15 The original and all copies of the tender shall be typed or written in

indelible ink and shall be signed by a person or persons duly authorised to

sign on behalf of the tenderer, pursuant to Clause 1.5 (a) or 1.6 (b), as the

case may be. All pages of the tender where alterations or additions have

been made shall be initialled by the person or persons signing the tender.

3.16 Clarification of tenders shall be requested by the tenderer to be received

by the procuring entity not later than 7 days prior to the deadline for

submission of tenders.

3.17 The procuring entity shall reply to any clarifications sought by the

tenderer within 3 days of receiving the request to enable the tenderer to make

timely submission of its tender.

3.18 The tender security shall be in the amount of 0.5 – 2 per cent of the tender

price.

4. Submission of Tenders

4.1 The tenderer shall seal the original and all copies of the tender in two inner

envelopes and one outer envelope, duly marking the inner envelopes as

“ORIGINAL” and “COPIES” as appropriate. The inner and outer

envelopes shall:

10

(a) be addressed to the Employer at the address provided in the

invitation to tender;

(b) bear the name and identification number of the Contract as defined

in the invitation to tender; and

(c) provide a warning not to open before the specified time and date

for tender opening.

4.2 Tenders shall be delivered to the Employer at the address specified above

not later than the time and date specified in the invitation to tender.

However, the Employer may extend the deadline for submission of tenders

by issuing an amendment in accordance with Sub-Clause 2.5 in which

case all rights and obligations of the Employer and the tenderers

previously subject to the original deadline will then be subject to the new

deadline.

4.3 Any tender received after the deadline prescribed in clause 4.2 will be

returned to the tenderer un-opened.


4.4 Tenderers may modify or withdraw their tenders by giving notice in

writing before the deadline prescribed in clause 4.2. Each tenderer’s

modification or withdrawal notice shall be prepared, sealed, marked,

and delivered in accordance with clause 3.13 and 4.1, with the outer and

inner envelopes additionally marked “MODIFICATION”and

“WITHDRAWAL”, as appropriate. No tender may be modified after the

deadline for submission of tenders.

4.5 Withdrawal of a tender between the deadline for submission of

tenders and the expiration of the period of tender validity specified in the

invitation to tender or as extended pursuant to Clause 3.6 may result in the

forfeiture of the Tender Security pursuant to Clause 3.11.

4.6 Tenderers may only offer discounts to, or otherwise modify the prices of

their tenders by submitting tender modifications in accordance with

Clause 4.4 or be included in the original tender submission.

5. Tender Opening and Evaluation

5.1 The tenders will be opened by the Employer, including modifications

made pursuant to Clause 4.4, in the presence of the tenderers’ representatives

who choose to attend at the time and in the place specified in the invitation

to tender. Envelopes marked “WITHDRAWAL” shall be opened and

read out first. Tenderers’ and Employer’s representatives who are present

during the opening shall sign a register evidencing their attendance.

5.2 The tenderers’ names, the tender prices, the total amount of each tender

and of any alternative tender (if alternatives have been requested or

permitted), any discounts, tender modifications and withdrawals, the

presence or absence of Tender Security, and such other details as may be

considered appropriate, will be announced by the Employer at the

opening. Minutes of the tender opening, including the information

disclosed to those present will be prepared by the Employer.

5.3 Information relating to the examination, clarification, evaluation, and

comparison of tenders and recommendations for the award of Contract

shall not be disclosed to tenderers or any other persons not officially

concerned with such process until the award to the successful tenderer has

been announced. Any effort by a tenderer to influence the Employer’s

officials, processing of tenders or award decisions may result in the rejection

of his tender.


5.4 To assist in the examination, evaluation, and comparison of tenders, the

Employer at his discretion, may ask any tenderer for clarification of the

tender, including breakdowns of unit rates. The request for clarification

and the response shall be in writing or by cable, telex or facsimile but no

change in the price or substance of the tender shall be sought, offered, or

permitted except as required to confirm the correction of arithmetic errors

discovered in the evaluation of the tenders in accordance with Clause 5.7.

5.5 Prior to the detailed evaluation of tenders, the Employer will determine

whether each tender (a) meets the eligibility criteria defined

in Clause 1.7;(b) has been properly signed; (c) is accompanied by the

required securities; and (d) is substantially responsive to the requirements

of the tendering documents. A substantially responsive tender is one

which conforms to all the terms, conditions and specifications of the

tendering documents, without material deviation or reservation. A

material deviation or reservation is one (a) which

affects in any substantial way the scope, quality, or performance of the

works; (b) which limits in any substantial way, inconsistent with the

tendering documents, the Employer’s rights or the tenderer’s obligations

under the Contract; or (c) whose rectification would affect unfairly the

competitive position of other tenderers presenting substantially responsive

tenders.

5.6 If a tender is not substantially responsive, it will be rejected, and may not

subsequently be made responsive by correction or withdrawal of the

nonconforming deviation or reservation.

5.7 Tenders determined to be substantially responsive will be checked for any

arithmetic errors. Errors will be corrected as follows:

(a) where there is a discrepancy between the amount in figures and the

amount in words, the amount in words will prevail; and

(b) where there is a discrepancy between the unit rate and the line item

total resulting from multiplying the unit rate by the quantity, the

unit rate as quoted will prevail, unless in the opinion of the

Employer, there is an obvious typographical error, in which case

the adjustment will be made to the entry containing that error.

(c) In the event of a discrepancy between the tender amount as stated

in the Form of Tender and the corrected tender figure in the main

summary of the Bill of Quantities, the amount as stated in the

Form of Tender shall prevail.


(d) The Error Correction Factor shall be computed by expressing the

difference between the tender amount and the corrected tender sum

as a percentage of the corrected Builder’s Work (i.e. Corrected

tender sum less P.C. and Provisional Sums)

(e) The Error Correction Factor shall be applied to all Builder’s Work

(as a rebate or addition as the case may be) for the purposes of

valuations for Interim Certificates and valuation of variations.

(f) the amount stated in the tender will be adjusted in accordance with

the above procedure for the correction of errors and, with

concurrence of the tenderer, shall be considered as binding upon

the tenderer. If the tenderer does not accept the corrected amount,

the tender may be rejected and the Tender Security may be

forfeited in accordance with clause 3.11.

5.8 The Employer will evaluate and compare only the tenders determined to

be substantially responsive in accordance with Clause 5.5.

5.9 In evaluating the tenders, the Employer will determine for each tender the

evaluated tender price by adjusting the tender price as follows:

(a) making any correction for errors pursuant to clause 5.7;

(b) excluding provisional sums and the provision, if any, for

contingencies in the Bill of Quantities, but including Dayworks

where priced competitively.

(c) making an appropriate adjustment for any other acceptable

variations, deviations, or alternative offers submitted in accordance

with clause 3.12; and

(d) making appropriate adjustments to reflect discounts or other price

modifications offered in accordance with clause 4.6

5.10 The Employer reserves the right to accept or reject any variation,

deviation, or alternative offer. Variations, deviations, and alternative

offers and other factors which are in excess of the requirements of the tender

documents or otherwise result in unsolicited benefits for the Employer will

not be taken into account in tender evaluation.

5.11 The tenderer shall not influence the Employer on any matter relating to his

tender from the time of the tender opening to the time the Contract is


awarded. Any effort by the Tenderer to influence the Employer or his

employees in his decision on tender evaluation, tender comparison or

Contract award may result in the rejection of the tender.

5.12 Firms incorporated in Kenya where indigenous Kenyans own 51% or

more of the share capital shall be allowed a 10% preferential bias provided

that they do not sub-contract work valued at more than 50% of the

Contract Price excluding Provisional Sums to an

non-indigenous sub-contractor.

6. Award of Contract

6.1 Subject to Clause 6.2, the award of the Contract will be made to the

tenderer whose tender has been determined to be substantially

responsive to the tendering documents and who has offered the lowest

evaluated tender price, provided that such tenderer has been determined to

be (a) eligible in accordance with the provision of Clauses 1.2, and (b)

qualified in accordance with the provisions of clause 1.7 and 1.8.

6.2 Notwithstanding clause 6.1 above, the Employer reserves the right to

accept or reject any tender, and to cancel the tendering process and reject

all tenders, at any time prior to the award of Contract, without thereby

incurring any liability to the affected tenderer or tenderers or any

obligation to inform the affected tenderer or tenderers of the grounds for

the action.

6.3 The tenderer whose tender has been accepted will be notified of the award

prior to expiration of the tender validity period in writing or by cable, telex

or facsimile. This notification (hereinafter and in all Contract documents

called the “Letter of Acceptance”) will state the sum (hereinafter and in all

Contract documents called the “Contract Price”)that the Employer will

pay the Contractor in consideration of the execution, completion, and

maintenance of the Works by the Contractor as prescribed by the Contract.

At the same time the other tenderers shall be informed that their tenders have

not been successful.

The contract shall be formed on the parties signing the contract.

6.4 The Agreement will incorporate all agreements between the Employer and

the successful tenderer. Within 14 days of receipt the successful tenderer

will sign the Agreement and return it to the Employer.


6.5 Within 21 days after receipt of the Letter of Acceptance, the successful

tenderer shall deliver to the Employer a Performance Security in the amount

stipulated in the Appendix to Conditions of Contract and in the form

stipulated in the Tender documents. The Performance Security shall be in

the amount and specified form

6.6 Failure of the successful tenderer to comply with the requirements of

clause 6.5 shall constitute sufficient grounds for cancellation of the award

and forfeiture of the Tender Security.

6.7 Upon the furnishing by the successful tenderer of the Performance

Security, the Employer will promptly notify the other tenderers that their

tenders have been unsuccessful.

6.8 Preference where allowed in the evaluation of tenders shall not be allowed

for contracts not exceeding one year (12 months)

6.9 The tender evaluation committee shall evaluate the tender within 30 days

of the validity period from the date of opening the tender.

6.10 The parties to the contract shall have it signed within 30 days from the

date of notification of contract award unless there is an administrative review

request.

6.11 Contract price variations shall not be allowed for contracts not exceeding

one year (12 months)

6.12 Where contract price variation is allowed, the valuation shall not exceed

15% of the original contract price.

6.13 Price variation request shall be processed by the procuring entity within 30

days of receiving the request.

6.14 The procuring entity may at any time terminate procurement proceedings

before contract award and shall not be liable to any person for the

termination.

6.15 The procuring entity shall give prompt notice of the termination to the

tenderers and on request give its reasons for termination within 14 days of

receiving the request from any tenderer.

6.16 A tenderer who gives false information in the tender document about its

qualification or who refuses to enter into a contract after notification of

contract award shall be considered for debarment from participating in future

public procurement.


7. Corrupt and Fraudulent practices

7.1 The procuring entity requires that tenderers observe the highest standards

of ethics during procurement process and execution of contracts. A

tenderer shall sign a declaration that he has not and will not be involved in

corrupt and fraudulent practices.

SECTION 6 CONDITIONS OF CONTRACT

Table of Contents

1 Definitions ………………………………………………… 18-20

2 Interpretation……………………………………………… 20

3 Language and Law ………………………………………… 21

4 Project Manager’s Decisions……………………………… 21

5 Delegation………………………………………………… 21

6 Communications ………………………………………… 21

7 Sub Contracting ………………………………………… 21

8 Other Contractors ……………………………………… 21

9 Personnel ………………………………………………… 21

10 Works……………………………………………………… 22

11 Safety and temporary works ……………………………… 22

12 Discoveries …………………………………………………22

13 Work Programme ………………………………………… 22-23

14 Possession of site ………………………………………… 23

15 Access to site …………………………………………… 23

16 Instructions ……………………………………………… 23

17 Extension or Acceleration of completion date ………… 23

18 Management Meetings ………………………………… 24

19 Early Warning …………………………………………… 24

20 Defects …………………………………………………… 24-25

21 Bills of Quantities ………………………………………… 25


22 Variations ………………………………………………… 25-26

23 Payment certificates, currency of payments and

Advance Payments ……………………………………… 26-28

24 Compensation events …………………………………… 28-30

25 Price Adjustment ………………………………………… 30-31

26 Retention ………………………………………………… 31

27 Liquidated Damages……………………………………… 31

28 Securities ………………………………………………… 32

29 Day Works ……………………………………………… 32

30 Liability and Insurance …………………………………… 32-33

31 Completion and taking over ……………………………… 33-34

32 Final Account …………………………………………… 34

33 Termination ……………………………………………… 34-35

34 Payment upon termination ………………………………… 35-36

35 Release from performance ………………………………… 36

36 Corrupt gifts and payments of commission ………………36

37 Settlement of Disputes ………………………………………36-

CONDITIONS OF CONTRACT

1. Definitions

1.1 In this Contract, except where context otherwise requires, the following

terms shall be interpreted as indicated;

“Bill of Quantities” means the priced and completed Bill of Quantities

forming part of the tender.

“Compensation Events” are those defined in Clause 24 hereunder.

“The Completion Date” means the date of completion of the Works as

certified by the Project Manager, in accordance with Clause 31.

“The Contract” means the agreement entered into between the Employer

and the Contractor as recorded in the Agreement Form and signed by the

parties including all attachments and appendices thereto and all documents


incorporated by reference therein to execute, complete, and maintain the

Works,

“The Contractor” refers to the person or corporate body whose tender to

carry out the Works has been accepted by the Employer.

“The Contractor’s Tender”is the completed tendering document

submitted by the Contractor to the Employer.

“The Contract Price” is the price stated in the Letter of Acceptance and

thereafter as adjusted in accordance with the provisions of the Contract.

“Days” are calendar days; “Months” are calendar months.

“A Defect” is any part of the Works not completed in accordance with the

Contract.

“The Defects Liability Certificate” is the certificate issued by Project

Manager upon correction of defects by the Contractor.

“The Defects Liability Period” is the period named in the Contract Data

and calculated from the Completion Date.

“Drawings” include calculations and other information provided or

approved by the Project Manager for the execution of the Contract.

“Dayworks” are Work inputs subject to payment on a time basis for

labour and the associated materials and plant.

“Employer”, or the “Procuring entity” as defined in the Public

Procurement Regulations (i.e. Central or Local Government

administration, Universities, Public Institutions and Corporations, etc) is the

party who employs the Contractor to carry out the Works.

“Equipment” is the Contractor’s machinery and vehicles brought

temporarily to the Site for the execution of the Works.

“The Intended Completion Date” is the date on which it is intended that

the Contractor shall complete the Works. The Intended Completion Date

may be revised only by the Project Manager by issuing an extension of

time or an acceleration order.

“Materials” are all supplies, including consumables, used by the

Contractor for incorporation in the Works.


“Plant” is any integral part of the Works that shall have a mechanical,

electrical, chemical, or biological function.

“Project Manager” is the person named in the Appendix to Conditions of

Contract (or any other competent person appointed by the Employer and

notified to the Contractor, to act in replacement of the Project Manager) who

is responsible for supervising the execution of the Works and administering

the Contract and shall be an “Architect” or a “Quantity Surveyor” registered

under the Architects and Quantity Surveyors Act Cap

525 or an “Engineer” registered under Engineers Registration Act Cap

530.

“Site” is the area defined as such in the Appendix to Condition of

Contract.

“Site Investigation Reports” are those reports that may be included in

the tendering documents which are factual and interpretative about the

surface and subsurface conditions at the Site.

“Specifications” means the Specifications of the Works included in the

Contract and any modification or addition made or approved by the

Project Manager.

“Start Date” is the latest date when the Contractor shall commence

execution of the Works. It does not necessarily coincide with the Site

possession date(s).

“A Subcontractor” is a person or corporate body who has a Contract with

the Contractor to carry out a part of the Work in the Contract, which includes

Work on the Site.

“Temporary works” are works designed, constructed, installed, and

removed by the Contractor which are needed for construction or

installation of the Works.

“A Variation” is an instruction given by the Project Manager which varies the

Works.

“The Works” are what the Contract requires the Contractor to construct, install,

and turnover to the Employer, as defined in the Appendix to Conditions of Contract.

2. Interpretation


2.1 In interpreting these Conditions of Contract, singular also means plural,

male also means female or neuter, and the other way around. Headings

have no significance. Words have their normal meaning in English

Language unless specifically defined. The Project Manager will provide

instructions clarifying queries about these Conditions of Contract.

2.2 If sectional completion is specified in the Appendix to Conditions of

Contract, reference in the Conditions of Contract to the Works, the

Completion Date and the Intended Completion Date apply to any section

of the Works (other than references to the Intended Completion Date for

the whole of the Works).

2.3 The following documents shall constitute the Contract documents and shall

be interpreted in the following order of priority;

(1) Agreement,

(2) Letter of Acceptance,

(3) Contractor’s Tender,

(4) Appendix to Conditions of Contract,

(5) Conditions of Contract,

(6) Specifications,

(7) Drawings,

(8) Bill of Quantities,

(9) Any other documents listed in the Appendix to Conditions of

Contract as forming part of the Contract.

Immediately after the execution of the Contract, the Project Manager

shall furnish both the Employer and the Contractor with two copies

each of all the Contract documents. Further, as and when necessary

the Project Manager shall furnish the Contractor [always with a copy

to the Employer] with three [3] copies of such further drawings or

details or descriptive schedules as are reasonably necessary either

to explain or amplify the Contract drawings or to enable the

Contractor to carry out and complete the Works in accordance with

these Conditions.

3. Language and Law


3.1 Language of the Contract and the law governing the Contract shall be

English language and the Laws of Kenya respectively unless

otherwise stated.

4 Project Manager’s Decisions

4.1 Except where otherwise specifically stated, the Project Manager

will decide contractual matters between the Employer and the Contractor in

the role representing the Employer.

5 Delegation

5.1 The Project Manager may delegate any of his duties and responsibilities to

others after notifying the Contractor.

6 Communications

6.1 Communication between parties shall be effective only when in writing.

A notice shall be effective only when it is delivered.

7 Subcontracting

7.1 The Contractor may subcontract with the approval of the Project Manager,

but may not assign the Contract without the approval of the Employer in

writing. Subcontracting shall not alter the Contractor’s obligations.

8 Other Contractors

8.1 The Contractor shall cooperate and share the Site with other contractors,

public authorities, utilities etc. as listed in the Appendix to Conditions of

Contract and also with the Employer, as per the directions of the Project

Manager. The Contractor shall also provide facilities and services for them.

The Employer may modify the said List of Other Contractors etc., and shall

notify the Contractor of any such modification.

9 Personnel

9.1 The Contractor shall employ the key personnel named in the Qualification

Information, to carry out the functions stated in the said Information or other

personnel approved by the Project Manager. The Project Manager will

approve any proposed replacement of key personnel only if their


relevant qualifications and abilities are substantially equal to or better than

those of the personnel listed in the Qualification Information. If the

Project Manager asks the Contractor to remove a person who is a member

of the Contractor’s staff or work force, stating the reasons, the Contractor

shall ensure that the person leaves the Site within seven days and has no

further connection with the Work in the Contract.

10 Works

10.1 The Contractor shall construct and install the Works in accordance with

the Specifications and Drawings. The Works may commence on the Start

Date and shall be carried out in accordance with the Program submitted by

the Contractor, as updated with the approval of the Project Manager, and

complete them by the Intended Completion Date.

11 Safety and Temporary Works

11.1 The Contractor shall be responsible for the design of temporary works.

However before erecting the same, he shall submit his designs including

specifications and drawings to the Project Manager and to any other relevant

third parties for their approval. No erection of temporary works shall be

done until such approvals are obtained.

11.2 The Project Manager’s approval shall not alter the Contractor’s

responsibility for design of the Temporary works and all drawings

prepared by the Contractor for the execution of the temporary or

permanent Works, shall be subject to prior approval by the Project

Manager before they can be used.

11.3 The Contractor shall be responsible for the safety of all activities on the

Site.

12. Discoveries

12.1 Anyth ing of historical or other interest or of significant value

unexpectedly discovered on Site shall be the property of the Employer.

The Contractor shall notify the Project Manager of such discoveries and

carry out the Project Manager’s instructions for dealing with them.

13. Work Program

13.1 Within the time stated in the Appendix to Conditions of Contract, the

Contractor shall submit to the Project Manager for approval a program


13.2

showing the general methods, arrangements, order, and timing for all the

activities in the Works. An update of the program shall be a program

showing the actual progress achieved on each activity and the effect of the

progress achieved on the timing of the remaining Work, including any

changes to the sequence of the activities.

The Contractor shall submit to the Project Manager for approval an

updated program at intervals no longer than the period stated in the

Appendix to Conditions of Contract. If the Contractor does not submit an

updated program within this period, the Project Manager

may withhold the amount stated in the said Appendix from the next payment

certificate and continue to withhold this amount until the next payment

after the date on which the overdue program has been submitted. The Project

Manager’s approval of the program shall not alter the Contractor’s

obligations. The Contractor may revise the program and submit it to the

Project Manager again at any time. A revised program shall show the

effect of Variations and Compensation Events.

14. Possession of Site

14.1 The Employer shall give possession of all parts of the Site to the

Contractor. If possession of a part is not given by the date stated in the

Appendix to Conditions of Contract , the Employer will be deemed to

have delayed the start of the relevant activities, and this will be a

Compensation Event.

15. Access to Site

15.1 The Contractor shall allow the Project Manager and any other person

authorised by the Project Manager, access to the Site and to any place where

work in connection with the Contract is being carried out or is intended to

be carried out.

16. Instructions

16.1 The Contractor shall carry out all instructions of the Project Manager

which are in accordance with the Contract.

17. Extension or Acceleration of Completion Date

17.1 The Project Manager shall extend the Intended Completion Date if a

Compensation Event occurs or a variation is issued which makes it

impossible for completion to be achieved by the Intended Completion

Date without the Contractor taking steps to accelerate the remaining

Work, which would cause the Contractor to incur additional cost. The


Project Manager shall decide whether and by how much to extend the

Intended Completion Date within 21 days of the Contractor asking the

Project Manager in writing for a decision upon the effect of a Compensation

Event or variation and submitting full supporting information. If the

Contractor has failed to give early warning of a delay or has failed to

cooperate in dealing with a delay, the delay caused by such failure shall not

be considered in assessing the new (extended) Completion Date.

17.2 No bonus for early completion of the Works shall be paid to the

Contractor by the Employer.

18. Management Meetings 18.1 A Contract management meeting shall be held monthly and attended by

the Project Manager and the Contractor. Its business shall be to review the

plans for the remaining Work and to deal with matters raised in

accordance with the early warning procedure. The Project Manager shall

record the minutes of management meetings and provide copies of the

same to those attending the meeting and the Employer. The responsibility

of the parties for actions to be taken shall be decided by the Project Manager

either at the management meeting or after the management meeting and

stated in writing to all who attended the meeting.

19. Early Warning

19.1 The Contractor shall warn the Project Manager at the earliest opportunity of specific likely future events or circumstances that may adversely affect

the quality of the Work, increase the Contract Price or delay the execution

of the Works. The Project Manager may require the Contractor to provide

an estimate of the expected effect of the future event or circumstance on

the Contract Price and Completion Date. The estimate shall be provided

by the Contractor as soon as reasonably possible.

19.2 The Contractor shall cooperate with the Project Manager in making and

considering proposals on how the effect of such an event or circumstance

can be avoided or reduced by anyone involved in the Work and in carrying

out any resulting instructions of the Project Manager.

20. Defects


20.1 The Project Manager shall inspect the Contractor’s work and notify the

Contractor of any defects that are found. Such inspection shall not affect

the Contractor’s responsibilities. The Project Manager may instruct the

Contractor to search for a defect and to uncover and test any Work that the

Project Manager considers may have a defect. Should the defect be found,

the cost of uncovering and making good shall be borne by the Contractor,

However, if there is no defect found, the cost of uncovering and making

good shall be treated as a variation and added to the Contract Price.

20.2 The Project Manager shall give notice to the Contractor of any defects

before the end of the Defects Liability Period, which begins at

Completion, and is defined in the Appendix to Conditions of Contract.

The Defects Liability Period shall be extended for as long as defects

remain to be corrected.

20.3 Every time notice of a defect is given, the Contractor shall correct the

notified defect within the length of time specified by the Project

Manager’s notice. If the Contractor has not corrected a defect within the

time specified in the Project Manager’s notice, the Project Manager will

assess the cost of having the defect corrected by other parties and such

cost shall be treated as a variation and be deducted from the Contract

Price.

21. Bills Of Quantities

21.1 The Bills of Quantities shall contain items for the construction,

installation, testing and commissioning of the Work to be done by the

Contractor. The Contractor will be paid for the quantity of the Work done

at the rate in the Bills of Quantities for each item.

21.2 If the final quantity of the Work done differs from the quantity in the Bills

of Quantities for the particular item by more than 25 percent and provided

the change exceeds 1 percent of the Initial Contract price, the Project

Manager shall adjust the rate to allow for the change.

21.3 If requested by the Project Manager, the Contractor shall provide the

Project Manager with a detailed cost breakdown of any rate in the Bills of

Quantities.

22. Variations

22.1 All variations shall be included in updated programs produced by the

Contractor.


22.2 The Contractor shall provide the Project Manager with a quotation for

carrying out the variations when requested to do so. The Project Manager

shall assess the quotation, which shall be given within seven days of the

request or within any longer period as may be stated by the Project Manager

and before the Variation is ordered.

22.3 If the work in the variation corresponds with an item description in the

Bills of Quantities and if in the opinion of the Project Manager, the

quantity of work is not above the limit stated in Clause 21.2 or the timing

of its execution does not cause the cost per unit of quantity to change, the

rate in the Bills of Quantities shall be used to calculate the value of the

variation. If the cost per unit of quantity changes, or

if the nature or timing of the work in the variation does not correspond

with items in the Bills of Quantities, the quotation by the Contractor shall

be in the form of new rates for the relevant items of Work.

22.4 If the Contractor’s quotation is unreasonable, the Project Manager may

order the variation and make a change to the Contract price, which shall be

based on the Project Manager’s own forecast of the effects of the variation

on the Contractor’s costs.

22.5 If the Project Manager decides that the urgency of varying the Work

would prevent a quotation being given and considered without delaying

the Work, no quotation shall be given and the variation shall be treated as

a Compensation Event.

22.6 The Contractor shall not be entitled to additional payment for costs that

could have been avoided by giving early warning.

22.7 When the Program is updated, the Contractor shall provide the Project

Manager with an updated cash flow forecast.

23. Payment Certificates, Currency of Payments and Advance Payments

23.1 The Contractor shall submit to the Project Manager monthly applications

for payment giving sufficient details of the Work done and materials on Site

and the amounts which the Contractor considers himself to be entitled to.

The Project Manager shall check the monthly application and certify the

amount to be paid to the Contractor within 14 days. The value of Work

executed and payable shall be determined by the Project Manager.


23.2 The value of Work executed shall comprise the value of the quantities of

the items in the Bills of Quantities completed, materials delivered on Site,

variations and compensation events. Such materials shall become the

property of the Employer once the Employer has paid the Contractor for

their value . Thereafter, they shall not be removed from Site without the

Project Manager’s instructions except for use upon the Works.

23.3 Payments shall be adjusted for deductions for retention. The Employer

shall pay the Contractor the amounts certified by the Project Manager within

30 days of the date of issue of each certificate. If the Employer makes

a late payment, the Contractor shall be paid simple interest on the late

payment in the next payment. Interest shall be calculated on the basis of

number of days delayed at a rate three percentage points above the Central

Bank of Kenya’s average rate for base lending prevailing as of the first

day the payment becomes overdue.

23.4 If an amount certified is increased in a later certificate or as a result of an

award by an Arbitrator, the Contractor shall be paid interest upon the

delayed payment as set out in this clause. Interest shall be calculated from

the date upon which the increased amount would have been certified in the

absence of dispute.

23.5 Items of the Works for which no rate or price has been entered in will not

be paid for by the Employer and shall be deemed covered by other rates and

prices in the Contract.

23.6 The Contract Price shall be stated in Kenya Shillings. All payments to the

Contractor shall be made in Kenya Shillings and foreign currency in the

proportion indicated in the tender, or agreed prior to the execution of the

Contract Agreement and indicated therein. The rate of exchange for the

calculation of the amount of foreign currency payment shall be the rate of

exchange indicated in the Appendix to Conditions of Contract. If the

Contractor indicated foreign currencies for payment other than the

currencies of the countries of origin of related goods and services the

Employer reserves the right to pay the equivalent at the time of payment in

the currencies of the countries of such goods and services. The Employer

and the Project Manager shall be notified promptly by the Contractor of an

changes in the expected foreign currency requirements of the Contractor

during the execution of the Works as indicated in the Schedule of Foreign

Currency Requirements and the foreign and local currency portions of the

balance of the Contract Price shall then be amended by agreement


between Employer and the Contractor in order to reflect appropriately

such changes.

23.7 In the event that an advance payment is granted, the following shall

apply:-

a) On signature of the Contract, the Contractor shall at his request,

and without furnishing proof of expenditure, be entitled to an

advance of 10% (ten percent) of the original amount of the Contract.

The advance shall not be subject to retention money.

b) No advance payment may be made before the Contractor has

submitted proof of the establishment of deposit or a directly

liable guarantee satisfactory to the Employer in the amount of the

advance payment. The guarantee shall be in the same currency as

the advance.

c) Reimbursement of the lump sum advance shall be made by

deductions from the Interim payments and where applicable from the

balance owing to the Contractor. Reimbursement shall begin when

the amount of the sums due under the Contract reaches 20% of the

original amount of the Contract. It shall have been completed

by the time 80% of this amount is reached.

The amount to be repaid by way of successive deductions shall be calculated by

means of the formula:

Where:

R = A(x1 – x11)

80 – 20

R = the amount to be reimbursed

A = the amount of the advance which has been granted

X1 = the amount of proposed cumulative payments as a

percentage of the original amount of the Contract.

This figure will exceed 20% but not exceed 80%.

X11 = the amount of the previous cumulative payments as

a percentage of the original amount of the Contract.

This figure will be below 80%but not less than

20%.


d) with each reimbursement the counterpart of the directly liable

guarantee may be reduced accordingly.

24. Compensation Events

24.1 The following issues shall constitute Compensation Events:

(a) The Employer does not give access to a part of the Site by the Site

Possession Date stated in the Appendix to Conditions of Contract.

(b) The Employer modifies the List of Other Contractors, etc., in a

way that affects the Work of the Contractor under the Contract.

(c) The Project Manager orders a delay or does not issue drawings,

specifications or instructions required for execution of the Works

on time.

(d) The Project Manager instructs the Contractor to uncover or to carry

out additional tests upon the Work, which is then found to have no

defects.

(e) The Project Manager unreasonably does not approve a subcontract

to be let.

(f) Ground conditions are substantially more adverse than could

reasonably have been assumed before issuance of the Letter of

Acceptance from the information issued to tenderers (including the

Site investigation reports), from information available publicly and

from a visual inspection of the Site.

30

(g) The Project Manager gives an instruction for dealing with an

unforeseen condition, caused by the Employer or additional work

required for safety or other reasons.

(h) Other contractors, public authorities, utilities, or the Employer

does not work within the dates and other constraints stated in the

Contract, and they cause delay or extra cost to the Contractor.

(i) The effects on the Contractor of any of the Employer’s risks.

(j) The Project Manager unreasonably delays issuing a Certificate of

Completion.


(k) Other compensation events described in the Contract or determined

by the Project Manager shall apply.

24.2 If a compensation event would cause additional cost or would prevent the

Work being completed before the Intended Completion Date, the Contract

Price shall be increased and/or the Intended Completion Date shall be

extended. The Project Manager shall decide whether and by how much

the Contract Price shall be increased and whether and by how much the

Intended Completion Date shall be extended.

24.3 As soon as information demonstrating the effect of each compensation

event upon the Contractor’s forecast cost has been provided by the

Contractor, it shall be assessed by the Project Manager, and the Contract

Price shall be adjusted accordingly. If the Contractor’s forecast is deemed

unreasonable, the Project Manager shall adjust the Contract Price based on

the Project Manager’s own forecast. The

Project Manager will assume that the Contractor will react competently

and promptly to the event.

24.4 The Contractor shall not be entitled to compensation to the extent that the

Employer’s interests are adversely affected by the Contractor not having

given early warning or not having co-operated with the Project Manager.

24.5 Prices shall be adjusted for fluctuations in the cost of inputs only if

provided for in the Appendix to Conditions of Contract.

24.6 The Contractor shall give written notice to the Project Manager of his

intention to make a claim within thirty days after the event giving rise to

the claim has first arisen. The claim shall be submitted within thirty days

thereafter.

Provided always that should the event giving rise to the claim of

continuing effect, the Contractor shall submit an interim claim within the

said thirty days and a final claim within thirty days of the end of the event

giving rise to the claim.

25. Price Adjustment

25.1 The Project Manager shall adjust the Contract Price if taxes, duties and

other levies are changed between the date 30 days before the submission

of tenders for the Contract and the date of Completion. The adjustment

shall be the change in the amount of tax payable by the Contractor.

25.2 The Contract Price shall be deemed to be based on exchange rates current

at the date of tender submission in calculating the cost to the Contractor of


materials to be specifically imported (by express provisions in the

Contract Bills of Quantities or Specifications) for permanent incorporation

in the Works. Unless otherwise stated in the Contract, if at any time

during the period of the Contract exchange rates shall be varied and this shall

affect the cost to the Contractor of such materials, then the Project Manager

shall assess the net difference in the cost of such materials. Any amount

from time to time so assessed shall be added to or deducted from the

Contract Price, as the case may be.

25.3 Unless otherwise stated in the Contract, the Contract Price shall be

deemed to have been calculated in the manner set out below and in sub-

clauses 25.4 and 25.5 and shall be subject to adjustment in the events

specified thereunder;

(i) The prices contained in the Contract Bills of Quantities shall be

deemed to be based upon the rates of wages and other

emoluments and expenses as determined by the Joint Building

Council of Kenya (J.B.C.) and set out in the schedule of basic rates

issued 30 days before the date for submission of tenders.A copy of

the schedule used by the Contractor in his pricing shall be attached

in the Appendix to Conditions of Contract.

(ii) Upon J.B.C. determining that any of the said rates of wages or

other emoluments and expenses are increased or decreased, then

the Contract Price shall be increased or decreased by the amount

assessed by the Project Manager based upon the difference,

expressed as a percentage, between the rate set out

in the schedule of basic rates issued 30 days before the date for

submission of tenders and the rate published by the J.B.C. and

applied to the quantum of labour incorporated within the amount of

Work remaining to be executed at the date of publication of such

increase or decrease.

(iii) No adjustment shall be made in respect of changes in the rates of

wages and other emoluments and expenses which occur after the

date of Completion except during such other period as may be

granted as an extension of time under clause 17.0 of these

Conditions.

25.4 The prices contained in the Contract Bills of Quantities shall be deemed to

be based upon the basic prices of materials to be permanently incorporated

in the Works as determined by the J.B.C. and set out in the schedule of basic

rates issued 30 days before the date for submission of tenders. A copy

of the schedule used by the Contractor in his pricing shall be attached

in the Appendix to Conditions of Contract.


25.5 Upon the J.B.C. determining that any of the said basic prices are increased

or decreased then the Contract Price shall be increased or decreased by the

amount to be assessed by the Project Manager based upon the difference

between the price set out in the schedule of basic rates issued 30 days before

the date for submission of tenders and the rate published by the J.B.C. and

applied to the quantum of the relevant materials which have not been taken

into account in arriving at the amount of any interim certificate under clause

23 of these Conditions issued before the date of publication of such

increase or decrease.

25.6 No adjustment shall be made in respect of changes in basic prices of

materials which occur after the date for Completion except during such other

period as may be granted as an extension of time under clause 17.0 of these

Conditions.

25.7 The provisions of sub-clause 25.1 to 25.2 herein shall not apply in respect

of any materials included in the schedule of basic rates.

26. Retention

26.1 The Employer shall retain from each payment due to the Contractor the

proportion stated in the Appendix to Conditions of Contract until

Completion of the whole of the Works. On Completion of the whole of

the Works, half the total amount retained shall be repaid to the Contractor

and the remaining half when the Defects Liability Period has passed and the

Project Manager has certified that all defects notified to the Contractor

before the end of this period have been corrected.

27. Liquidated Damages

27.1 The Contractor shall pay liquidated damages to the Employer at the rate

stated in the Appendix to Conditions of Contract for each day that the actual

Completion Date is later than the Intended Completion Date. The

Employer may deduct liquidated damages from payments due to the

Contractor. Payment of liquidated damages shall not alter the

Contractor’s liabilities.

27.2 If the Intended Completion Date is extended after liquidated damages have

been paid, the Project Manager shall correct any overpayment of

liquidated damages by the Contractor by adjusting the next payment

certificate. The Contractor shall be paid interest on the overpayment,

calculated from the date of payment to the date of repayment, at the rate

specified in Clause 23.30


28. Securities

28.1 The Performance Security shall be provided to the Employer no later than

the date specified in the Letter of Acceptance and shall be issued in an

amount and form and by a reputable bank acceptable to the Employer, and

denominated in Kenya Shillings. The Performance Security shall be valid

until a date 30 days beyond the date of issue of the Certificate of Completion.

29. Dayworks

29.1 If applicable, the Dayworks rates in the Contractor’s tender shall be used

for small additional amounts of Work only when the Project Manager has

given written instructions in advance for additional work to be paid for in

that way.

29.2 All work to be paid for as Dayworks shall be recorded by the Contractor

on Forms approved by the Project Manager. Each

completed form shall be verified and signed by the Project Manager

within two days of the Work being done.

29.3 The Contractor shall be paid for Dayworks subject to obtaining signed

Dayworks forms.

30. Liability and Insurance

30.1 From the Start Date until the Defects Correction Certificate has been

issued, the following are the Employer’s risks:

(a) The risk of personal injury, death or loss of or damage to property

(excluding the Works, Plant, Materials and Equipment), which are

due to;

(i) use or occupation of the Site by the Works or for the

purpose of the Works, which is the unavoidable result of

the Works, or

(ii) negligence, breach of statutory duty or interference with

any legal right by the Employer or by any person employed

by or contracted to him except the Contractor.


(b) The risk of damage to the Works, Plant, Materials, and Equipment

to the extent that it is due to a fault of the Employer or in Employer’s

design, or due to war or radioactive contamination directly affecting

the place where the Works are being executed.

30.2 From the Completion Date until the Defects Correction Certificate has

been issued, the risk of loss of or damage to the Works, Plant, and Materials

is the Employer’s risk except loss or damage due to;

(a) a defect which existed on or before the Completion Date.

(b) an event occurring before the Completion Date, which was not

itself the Employer’s risk

(c) the activities of the Contractor on the Site after the Completion

Date.

30.3 From the Start Date until the Defects Correction Certificate has been

issued, the risks of personal injury, death and loss of or damage to

property (including, without limitation, the Works, Plant, Materials, and

Equipment) which are not Employer’s risk are Contractor’s risks.

The Contractor shall provide, in the joint names of the Employer and the

Contractor, insurance cover from the Start Date to the end of the Defects

Liability Period, in the amounts stated in the Appendix to Conditions of

Contract for the following events;

(a) loss of or damage to the Works, Plant, and Materials;

(b) loss of or damage to Equipment;

(c) loss of or damage to property (except the Works, Plant, Materials,

and Equipment) in connection with the Contract, and

(d) personal injury or death.

30.4 Policies and certificates for insurance shall be delivered by the Contractor

to the Project Manager for the Project Manager’s approval before the Start

Date. All such insurance shall provide for compensation required to

rectify the loss or damage incurred.

30.5 If the Contractor does not provide any of the policies and certificates

required, the Employer may effect the insurance which the Contractor

should have provided and recover the premiums from payments otherwise


due to the Contractor or, if no payment is due, the payment of the

premiums shall be a debt due.

30.6 Alterations to the terms of an insurance shall not be made without the

approval of the Project Manager. Both parties shall comply with any

conditions of insurance policies.

31. Completion and taking over

31.1 Upon deciding that the Works are complete, the Contractor shall issue a

written request to the Project Manager to issue a Certificate of

Completion of the Works. The Employer shall take over the Site and the

Works within seven [7] days of the Project Manager’s issuing a Certificate

of Completion.

32. Final Account

32.1 The Contractor shall issue the Project Manager with a detailed account of

the total amount that the Contractor considers payable to him by the

Employer under the Contract before the end of the Defects Liability

Period. The Project Manager shall issue a Defects Liability Certificate

and certify any final payment that is due to the Contractor within 30 days

of receiving the Contractor’s account if it is correct and complete. If it is

not, the Project Manager shall issue within 30 days a schedule that states the

scope of the corrections or additions that are necessary. If the final account

is still unsatisfactory after it has been resubmitted, the Project Manager shall

decide on the amount payable to the Contractor and issue a Payment

Certificate. The Employer shall pay the Contractor the amount due in the

Final Certificate within 60 days.

33. Termination

33.1 The Employer or the Contractor may terminate the Contract if the other

party causes a fundamental breach of the Contract. These

Fundamental breaches of Contract shall include, but shall not be limited

to, the following;

(a) the Contractor stops work for 30 days when no stoppage of work is

shown on the current program and the stoppage has not been

authorised by the Project Manager;


(b) the Project Manager instructs the Contractor to delay the progress

of the Works, and the instruction is not withdrawn within 30 days;

(c) the Contractor is declared bankrupt or goes into liquidation other

than for a reconstruction or amalgamation;

(d) a payment certified by the Project Manager is not paid by the

Employer to the Contractor within 30 days (for Interim Certificate)

or 60 days (for Final Certificate)of issue.

(e) the Project Manager gives notice that failure to correct a particular

defect is a fundamental breach of Contract and the Contractor fails

to correct it within a reasonable period of time determined by the

Project Manager;

(f) the Contractor does not maintain a security, which is required.

33.2 When either party to the Contract gives notice of a breach of Contract to

the Project Manager for a cause other than those listed under Clause 33.1

above, the Project Manager shall decide whether the breach is

fundamental or not.

33.3 Notwithstanding the above, the Employer may terminate the Contract for

convenience.

33.4 If the Contract is terminated, the Contractor shall stop work immediately,

make the Site safe and secure, and leave the Site as soon as reasonably

possible. The Project Manager shall immediately thereafter arrange for a

meeting for the purpose of taking record of the Works executed and

materials , goods, equipment and temporary buildings on Site.

34. Payment Upon Termination

34.1 If the Contract is terminated because of a fundamental breach of Contract

by the Contractor, the Project Manager shall issue a certificate for the

value of the Work done and materials ordered and delivered to Site up to the

date of the issue of the certificate. Additional liquidated damages shall not

apply. If the total amount due to the Employer exceeds any payment due

to the Contractor, the difference shall be a debt payable by the Contractor.


34.2 If the Contract is terminated for the Employer’s convenience or because of

a fundamental breach of Contract by the Employer, the Project Manager

shall issue a certificate for the value of the Work done, materials ordered,

the reasonable cost of removal of equipment, repatriation of the Contractor’s

personnel employed solely on the

Works, and the Contractor’s costs of protecting and securing the Works.

34.3 The Employer may employ and pay other persons to carry out and

complete the Works and to rectify any defects and may enter upon the

Works and use all materials on the Site, plant, equipment and temporary

works.

34.4 The Contractor shall, during the execution or after the completion of the

Works under this clause remove from the Site as and when required,

within such reasonable time as the Project Manager may in writing

specify, any temporary buildings, plant, machinery, appliances, goods or

materials belonging to or hired by him, and in default the Employer may

(without being responsible for any loss or damage) remove and sell any

such property of the Contractor, holding the proceeds less all costs

incurred to the credit of the Contractor.

Until after completion of the Works under this clause the Employer shall not

be bound by any other provision of this Contract to make any payment to

the Contractor, but upon such completion as aforesaid and the verification

within a reasonable time of the accounts therefore the Project Manager shall

certify the amount of expenses properly incurred by the Employer and, if

such amount added to the money paid to the Contractor before such

determination exceeds the total amount which would have been payable

on due completion in accordance with this Contract the difference shall be

a debt payable to the Employer by the Contractor; and if the said amount

added to the said money be less than the said total amount, the difference

shall be a debt payable by the Employer to the Contractor.

35. Release from Performance

35.1 If the Contract is frustrated by the outbreak of war or by any other event

entirely outside the control of either the Employer or the Contractor, the

Project Manager shall certify that the Contract has been frustrated. The

Contractor shall make the Site safe and stop Work as quickly as possible

after receiving this certificate and shall be paid for all Work carried out

before receiving it.


36. Corrupt gifts and payments of commission

The Contractor shall not;

(a) Offer or give or agree to give to any person in the service of the

Employer any gift or consideration of any kind as an inducement or

reward for doing or forbearing to do or for having done or forborne to do

any act in relation to the obtaining or execution of this or any other Contract

for the Employer or for showing or forbearing to show favour or disfavour

to any person in relation to this or any other contract for the Employer.

(b) Enter into this or any other contract with the Employer in connection with

which commission has been paid or agreed to be paid by him or on his

behalf or to his knowledge, unless before the Contract is made particulars of

any such commission and of the terms and conditions of any agreement for

the payment thereof have been disclosed in writing to the Employer.

Any breach of this Condition by the Contractor or by anyone employed by

him or acting on his behalf (whether with or without the knowledge of the

Contractor) shall be an offence under the provisions of the Public

Procurement Regulations issued under The Exchequer and Audit Act Cap

412 of the Laws of Kenya.

37. Settlement Of Disputes

37.1 In case any dispute or difference shall arise between the Employer or the

Project Manager on his behalf and the Contractor, either during the progress

or after the completion or termination of the Works, such dispute shall be

notified in writing by either party to the other with a request to submit it

to arbitration and to concur in the appointment of an Arbitrator within thirty

days of the notice. The dispute shall be referred to the arbitration and final

decision of a person to be agreed between the parties. Failing agreement to

concur in the appointment of an Arbitrator, the Arbitrator shall be appointed

by the Chairman or Vice Chairman of any of the following professional

institutions;

(i) Architectural Association of Kenya

(ii) Institute of Quantity Surveyors of Kenya


(iii) Association of Consulting Engineers of Kenya

(iv) Chartered Institute of Arbitrators (Kenya Branch)

(v) Institution of Engineers of Kenya

On the request of the applying party. The institution written to first by the

aggrieved party shall take precedence over all other institutions.

37.2 The arbitration may be on the construction of this Contract or on any

matter or thing of whatsoever nature arising thereunder or in connection

therewith, including any matter or thing left by this Contract to the

discretion of the Project Manager, or the withholding by the Project

Manager of any certificate to which the Contractor may claim to be

entitled to or the measurement and valuation referred to in clause 23.0 of

these conditions, or the rights and liabilities of the parties subsequent to

the termination of Contract.

37.3 Provided that no arbitration proceedings shall be commenced on any

dispute or difference where notice of a dispute or difference has not been

given by the applying party within ninety days of the occurrence or

discovery of the matter or issue giving rise to the dispute.

37.4 Notwithstanding the issue of a notice as stated above, the arbitration of

such a dispute or difference shall not commence unless an attempt has in the

first instance been made by the parties to settle such dispute or difference

amicably with or without the assistance of third parties. Proof of such

attempt shall be required.

37.5 Notwithstanding anything stated herein the following matters may be

referred to arbitration before the practical completion of the Works or

abandonment of the Works or termination of the Contract by either party:

37.5.1 The appointment of a replacement Project Manager

upon the said person ceasing to act.

37.5.2 Whether or not the issue of an instruction by the Project

Manager is empowered by these Conditions.


37.5.3 Whether or not a certificate has been improperly withheld

or is not in accordance with these Conditions.

37.5.4 Any dispute or difference arising in respect of war risks

or war damage.

37.6 All other matters shall only be referred to arbitration after the completion

or alleged completion of the Works or termination or alleged termination

of the Contract, unless the Employer and the Contractor agree otherwise in

writing.

37.7 The Arbitrator shall, without prejudice to the generality of his powers,

have powers to direct such measurements, computations, tests or

valuations as may in his opinion be desirable in order to determine the rights

of the parties and assess and award any sums which ought to have been the

subject of or included in any certificate.

37.8 The Arbitrator shall, without prejudice to the generality of his powers,

have powers to open up, review and revise any certificate, opinion, decision,

requirement or notice and to determine all matters in dispute which shall be

submitted to him in the same manner as if no such certificate, opinion,

decision requirement or notice had been given.

37.9 The award of such Arbitrator shall be final and binding upon the parties.


APPENDIX - SPECIAL CONDITIONS OF CONTRACT

Special conditions of contract shall supplement the general conditions of

contract, wherever there is a conflict between the GCC and the SCC, the

provisions of the SCC herein shall prevail over those in the GCC.

Special conditions of contract with reference to the general conditions of

contract.

General conditions of contract reference

Special conditions of contract

3 Applicable law, The laws of Kenya

25 No price adjustments will be allowed during the term of the

contract

An indemnity cover will be required

37 Specify resolution of disputes

Financial Bid. To be enclosed in a separate envelope from the Technical Bid

Other’s as necessary Complete as necessary


PROPOSED REHABILITATION WORKS TO PART OF NEW KCC SOSIANI FACTORY OF

UHT STORES

ITEM DESCRIPTION UNIT QTY RATE KSH CTS

PARTICULAR AND GENERAL PRELIMINARIES

1.All works are provisional and subject to final

measurement

2.Contractor to visit the site and note/ascertain the extent

of the works

3. Contractor to use quality materials for permanent

works e.g. sand, grano, and chips etc.

4.Curing of the works to be fully followed

5.Works to be done in bays and appropriate pvc dividing

strips to be used

6.Any paint work to be done after scrapping off old paint

and crown paint first grade quality to be used

7.Allow grinding/polishing the grano after laying within

rates

8.Any preliminaries/overheads to be quoted within rates

9.Substandard works will not be accepted

10.Work to be done with speed since the area will be

required for use urgently as a UHT store

Total carried to summary page


A

MEASURED WORKS

DEMOLITIONS

Item

1


B

C

A

B

Allow for demolition of existing decommissioned plant

and equipment and set aside as directed by the Engineer

Allow for demolition to existing walls within the factory

floor as directed by the Engineer and cart away debris

from the site

Allow for any other demolitions as directed by the

Engineer

WALLING

200mm solid in hollow blocks in cement, sand ,lime

mortar and reinforced with hoop

75 x45mm Aluminium powder coated partitions with

12mm MDF partitions at 1100mm and glass above

complete with all necessary biddings and wash rubber


Item

Item

Sm

Sm

1

1

278

218


A

B

DOORS

900mm x2100mm Aluminium doors complete with iron

iron mongery to offices

900mm x2100mm metal door to filling room

No

No

5

1


C

D

A

B

C

D

E

F

3050 x3000mm sliding door complete with top bottom

rail made of 50 x50 x3mm fixed angle frame and 3mm

thick chequered plate welded with 3mm x200mm

lockable towers

Allow for repairs and painting all existing sliding doors

INTERNAL FINISHES

12mm two coat lime plaster new walls

Hack and prepare floor to receive new floor screed

Prepare and lay 30mm thick floor screed to receive grano

floor

Supply and install grano floor as approved by the client

Prepare and apply three coats of gloss paint

Prepare and apply three coats of gloss paint to existing

walls (both internal and external)


No

Item

Sm

Sm

Sm

Sm

Sm

Sm

2

1

556

2350

2350

2350

556

2751


A

B

C

STEEL CASEMENT WINDOWS

Standard window casement with hinges, stays

,fasteners, permanent vents assembled and fixed to

opening including cutting and pinning lugs to concrete

or block work surrounding the bedding frame in

cement sand mortar

Ditto 2400 x1600mm

Ditto 2500 x1500mm

Ditto 1900 x1000mm

No

No

No

8

7

15


D

E

A

B

C

D

E

F

Ditto 1900 x1300mm

Ditto 1400 x1300mm

METAL GRILL WINDOWS

Mild steel metal grill framed with 40 x50 x3mm RHS

including assembly and fixing to opening, cutting and

pinning lugs to concrete or block work and bedding frame

in cement sand mortar

Ditto 2400 x1600mm

Ditto 2500 x1500mm

Ditto 1900 x1000mm

Ditto 1900 x1300mm

Ditto 1400 x1300mm

Ditto 90 x1600mm


No

No

No

No

No

No

No

No

8

6

8

7

15

8

6

4


A

ROOFING AND RAIN WATER DISPOSAL

Framed structural steel work mild steel: one coat red

oxide or equal approved primer after fabrication but

before erection:welded connections in accordance

with structural drawings: hoisting 7.5m from ground

level and fixed to existing roof structure and cover:

trusses fixed to universal columns using mild steel

bolts(ms)

The following in 5no truss type T1

75 x50 x4mm RHS truss angles

50 x50 x4mm Truss angles

100 x75 x3mm purlins

Lm

235


B

C

D

E

F

G

75 x75 x 3mm purlins

Aluminium IT5 gauge 24 box profiled

Industrial tough sheet laid including 150mm end laps and

one boxed side lap with cover width 868mm on Z purlins

(ms)fixed with approved hook, bolt and rubber cap

washers

Extra over roof fixed 2000mm x1000mm wide fiber glass

roof lights

Ditto for cutting perforations for cyclone exhauster raised

above the roof

Total carried forward

Lm

Lm

Lm

Sm

No

No

215

203

825

3465

45

12


H

I

J

K

L

Total brought forward

Extra over 1500 x2000mm jerk roof structural supported

by 50 x59 x3mm SHS with gauge wire mesh in MS

600mm above roof ridge for ventilation purposes

Extra over for roof cladding to gable and verge ends

Rain Water Disposal

400 x200mm deep box shaped purpose made gutter using

3mm thick mild steel sheets

Extra over 400 x200mm gutter for making 150mm dia

holes for down pipe

Extra over gutter for stopped ends

150mm dia heavy UPVC downpipe fixed to wall with

brackets at 1000mm c/c

No

Sm

Lm

No

No

12

113

365

22

22


M

N

O

P

Extra over 150mm dia pipe for bend

Ditto for 600mm long swan neck

Ditto 200mm shoe


No

No

No

No

22

22

22

250


A

B

PROVISIONAL SUMS

Electrical works

Allow a provisional sum of Ksh 500,000 as directed by

the Engineer

Drainage works

Allow a provisional sum of Ksh 500,000 for drainage

works as directed by the Engineer

Item

Item

1

1




SUMMARY PAGE

Particular and General Preliminaries

Demolitions and Walling

Doors and Internal Finishes

Windows and Metal Grills

Roofing and Rain Water Disposal

Provisional sums


Subtotal 1 carried forward


Subtotal 1 brought forward

Add 10% Contingency

Subtotal 2

Add 16% VAT

Grand total

Time of Completion of the Works

………………………………Weeks

Name and Address of the Contractor

We certify that we visited the site and shown the works

and satisfied ourselves with the extent and scope of the

works

Signature……………………………

Date…………………………............

Page8


APPENDIX II - TENDER QUESTIONNAIRE

Please fill in block letters.

1. Full names of tenderer

………………………………………………………………………………………

2. Full address of tenderer to which tender correspondence is to be sent (unless an

agent has been appointed below)

………………………………………………………………………………………

3. Telephone number (s) of tenderer

………………………………………………………………………………………

4. Telex address of tenderer

………………………………………………………………………………………

5. Email address of tenderer

………………………………………………………………………………………

6. Name of tenderer’s representative to be contacted on matters of the tender during

the tender period

………………………………………………………………………………………

7. Details of tenderer’s nominated agent (if any) to receive tender notices. This is

essential if the tenderer does not have his registered address in Kenya (name,

address, telephone, telex)

………………………………………………………………………………………

………………………………………………………………………………………

Signature of Tenderer

Make copy and deliver to: (Name of Employer)

149

APPENDIX III - CONFIDENTIAL BUSINESS QUESTIONNAIRE

(Form SS3)

You are requested to give the particulars indicated in Part 1 and either Part 2 (a), 2 (b) or 2 (c) and

2 (d) whichever applies to your type of business.

You are advised that it is a serious offence to give false information on this Form.

Part 1 – General

Business Name ………………………………………………………………………

Location of business premises; Country/Town……………………….

Plot No……………………………………… Street/Road …………………………

Postal Address……………………………… Tel No………………………………..

Nature of Business…………………………………………………………………..

Current Trade Licence No…………………… Expiring date…………………

Maximum value of business which you can handle at any time: Ksh………………………..

Name of your bankers………………………………………………………………

Branch…………………………………………………………………………………

Part 2 (a) – Sole Proprietor

Your name in full…………………………………… Age…………………………

Nationality………………………………… Country of Origin…………………

*Citizenship details …………………………………………………………………

Part 2 (b) – Partnership

Give details of partners as follows:

150

Name in full Nationality Citizenship Details Shares

1……………………………………………………………………………………

2……………………………………………………………………………………

3……………………………………………………………………………………

Part 2(c) – Registered Company:

Private or public……………………………………………………………

State the nominal and issued capital of the Company-

Nominal Kshs…………………………………………………………………

Issued Kshs……………………………………………………………………

Give details of all directors as follows:

Name in full . Nationality. Citizenship Details*. Shares.

1.……………………………………………………………………………………

2.……………………………………………………………………………………

3.……………………………………………………………………………………

4.……………………………………………………………………………………

Part 2(d) – Interest in the Firm:

Is there any person / persons in …………… ………(Name of Employer) who has

interest in this firm? Yes/No………………………(Delete as necessary)

I certify that the information given above is correct.

……………………… ……………………… …………………

(Title) (Signature) (Date)

Attach proof of citizenship

151

FORM OF BID SECURITY (BANK GUARANTEE) – TENDER SECURITY

WHEREAS, …………………………………….. (hereinafter called “the Bidder”) has

submitted his bid dated ………………… for PROPOSED REHABILITATION

WORKS OF UHT STORES AT SOSIANI NEWKCC FACTORY (hereinafter

called “the Bid”).

KNOW ALL MEN by these presents that we ………………………………………….

of ………………………………………………. Having our registered office at

………………………………………………………. (hereinafter called “the Bank”)

are bound unto NEW KCC LTD (hereinafter called “the Employer”) in the sum Ksh

ONE hundred thousand only (Ksh100,000 ) for which payment well and truly to be

made to the said Employer the Bank binds himself, his successors and assigns by these

presents.

SEALED with the Common Seal of the Bank this …………… day of ……… 20 …….

The CONDITIONS of this obligation are:

(1) If the bidder withdraws his Bid during the period of bid validity specified in the Form

of Bid;

Or

(2) If the Bidder having been notified of the acceptance of his Bid by the Employer

during the period of bid validity:

(a) Fails or refuses to execute the Form of Agreement in accordance with the

Instruction to Bidders, if required; or

(b) Fails or refuses to furnish the Performance Security, in accordance with the

Instruction to Bidders,

We undertake to pay to the Employer up to the above amount upon receipt of his first

written demand, without the Employer having to substantiate his demand, provided that

in his demand the Employer will note that the amount claimed is due to him owing to the

occurrence of one or both of the two conditions, specifying the occurred condition or

conditions.

This Guarantee will remain in force up to and including the date 120 days after the

deadline for submission of bids such as deadlines is stated in the instructions to Bidders

or as it maybe extended by the Employer, notice of which extension(s) to the Bank is

hereby waived. Any demand in respect of this Guarantee should reach the Bank not later

than the above date.

DATE: SIGNATURE OF THE BANK

WITNESS: SEAL

(Signature, Name and Address) pn

152

APPENDIX - V SUBMISSION FORM

( Date)

(To : Name and address of client)

152

CERTIFICATE OF TENDERER’S VISIT TO SITE

1. This is to certify that I ___________________________________________________

(Name of bidder or his Representative)

of____________________________________________ (Name of Firm of tendering)

in the company of________________________________________________ (Name of

New Kenya Co-operative Creameries Ltd Representative conducting the visit) visited

the site in connection with the Tender for: - “Proposed Rehabilitation Works of UHT

Stores Sosiani New KCC Factory”.

2. Having previously studied the contract documents, I carefully examined the site.

3. I have made myself familiar with all the local conditions likely to influence the works

and the cost thereof.

4. I further certify that I am satisfied with the description of the work and the explanations

given by the said Representative and that I understand perfectly the work to be done as

specified and implied in the execution of the contract.

Signed by Tenderer

Name of Tenderer: _________________________________________________________

Name of Representative: ____________________________________________________

Date: ________________________________________________________

Signed by New Kenya Co-operative Creameries Ltd (New KCC)

Name of New KCC’s Representative: ________________________________________

Date:_______________________________________________________