improvement of stormwater outlets and combined … · include for kplc power supply with a meter...

MOMBASA WATER SUPPLY AND SANITATION COMPANY LIMITED

WATER AND SANITATION DEVELOPMENT PROJECT (WSDP)

IMPROVEMENT OF STORMWATER OUTLETS AND COMBINED SEWER OVERFLOWS IN MOMBASA ISLAND

CONTRACT No. KE – MOWASCO – 16772 – CW - RFB

BIDDING DOCUMENTS

MOMBASA WATER SUPPLY AND SANITATION COMPANY LIMITED

WATER AND SANITATION DEVELOPMENT PROJECT (WSDP)


CONTRACT No. KE – MOWASCO – 16772 – CW - RFB

BIDDING DOCUMENTSVOLUME I I I

CONTENTSBILL OF QUANTITIES (BOQ)

Employer:THE MANAGING DIRECTOR,MOMBASA WATER SUPPLY AND SANITATION COMPANY,P.O. BOX 1100 – 80100,MOMBASA, KENYA

Project Manager:GENERAL MANAGER,ENGINEERING AND STRATEGY, MOMBASA WATER SUPPLY AND SANITATION COMPANY,P.O. BOX 1100 – 80100,MOMBASA, KENYA

WATER AND SANITATION DEVELOPMENT PROJECT

BILL NO. 1

PRELIMINARIES AND GENERAL

ITEM DESCRIPTION UNIT QUANTITY RATE AMOUNTNo. (Kshs.) (Kshs.)

1 Contractual Requirements

1.1 Allow for provision of Performance Security in accordance with Clause 4.2 of Section VIII of the General Conditions.

Item L.S

1.2 Allow for provision of Insurance of Works and Contractor's Equipment in accordance with Clause 18.2 of SectionVIII of the General Conditions. Item L.S

1.3 Allow for provision of Third Party Insurance (including Employer's Property) all in accordance with Clause 18.3 of Section VIII of the General Conditions. Item L.S

1.4 Allow for provision of Insurance against Accident to Workmen in accordance with Clause 18.4 of Section VIII of the General Conditions. Item L.S

1.5 Allow for additional ESHS outcomes in accordance to Works Requirement Section VII and project ESMP (Volume IV) Item L.S

1.6 Allow for provisional of labor influx mitigation measures, including sexual exploitation and abuse (SEA) / gender based violence (GBV) awareness and sensitization training. This in accordance to Section VII and Project ESMP (Volume IV) Item L.S

2 Special Requirements

2.1 Contractor's Camp and Storage Yard: Allow for establishment of the Contractor's Camp(s), Offices, Storage Yard and other facilities including mobilization, demobilization and removal on Completion. Include for all equipment, temporary measures, machines, tools, materials, facilities for workers, water and electricity supply etc. all as specified for execution of the Works, for the entire Contract Period. Note: The Employer has no available land to offer for Contractor's Camp, storage of materials and preparation of concrete etc. Identification and procurement of suitable area of land for Contractor's Camp whether rented or purchased is the responsibility of the Contractor. Details of proposed land where the Contractor will establish his camp(s) to be submitted with the Bid. Item L.S

2.2 Allow a P.C. Sum of Kshs.500,000 for training of Employer's / Water Service Provider's Staff during Construction, Testing and Commissioning of the Works as specified. Item P.C 500,000

2.3 Add …….% for profit, administration, attendance upon, overheads, etc. for Item 2.2 above % 500,000

WASTEWATER MASTER PLAN FOR MOMBASA AND SELECTED TOWNS WITHIN THE COAST REGIONIMMEDIATE URGENT WORKS - NCB No. KE-MOWASCO-16772-CW-RFB - STORM WATER OUTLET IMPROVEMENTS

Page 1 of 9 Bill No. 1


BILL NO. 1




2.4 Test Running of the Works: Contractor to Test-run the newly constructed / rehabilitated facilities for a period of 4 weeks upon completion of the Works including measurement and production of performance data (sewerage influent quantity, unblocking, influent / effluent quality monitoring, etc). Test Running to be carried out in close liaison with the Water Services Provider's Staff. The Contractor to allow for 'on job' training of Operation and Maintenance Staff, Tools, etc, during the test running period and ensure that the operations are carried out full time on a 24 hour basis, all in accordance with Clause 136 of the General and Specific Specifications. Item L.S

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BILL NO. 1




2.5 Allow for provision of As-Built Drawings in accordance with Clause 141 of the General and Specific Specifications.

Item L.S

2.6 Allow for provision of Operation and Maintenance (O&M) Manuals in accordance with Clause 138 of the General and Specific Specifications. Item L.S

3 Specified Requirements

Sign Boards

3.1 Provide and erect sign boards at the site indicated by the Engineer's Representative and in accordance with the Conditions of Contract. Details of the sign Board are shown on the Drawings Nr 2

Setting Out and Survey Work

3.2 Allow for Setting Out of the Works in accordance Clause 4.7 of Section VIII, General Conditions of Bid Document Volume I and Clause 104 of Section I, General & Specific Specifications of Bid Document Volume II. The Work will mainly comprise of establishment of Level Datum, setting out of the Works in accordance with Specifications, staking out of the construction wayleave along all Sewer Line routes and preparation of Setting Out Survey Report including submission to the Engineer for approval.

Item L.SThe Setting Out Work / Survey Work including production of Survey Drawings to an agreed scale will include the following:

i) Topographical Survey of proposed 14Nr sites for Storm Water Outlet headworks including existing Pumping Stations on Mombasa Island at 10m grid interval including preparation of Layout Plans with contours at 0.5m interval, approximate total area approximately 10ha.

ii) Engineering Survey of Proposed for 14Nr Storm Water outlet pipe works from storm water headworks to low-low tide sea level including preparation of Plan and Profile, approximately total length 1 Km.

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BILL NO. 1




Office for the Resident Engineer

3.3 Provide all materials and construct office for use of the Resident Engineer as per Clause 101 of General and Specific Specifications including maintenance, water supply, sewerage, drainage, electrical supply, telephone and other facilities for the Resident Engineer, all as specified (Building, furniture and equipment to revert to Employer). Include for all water borne sanitation including waste pipes, inspection chambers, Septic Tank etc. Include for KPLC Power Supply with a Meter Board. Building to be constructed using permanent building materials as per Ministry of Public Works Building By-laws or approved equivalent. Note: This is to be carried out as Priority Works within the first 10 Weeks after date of Mobilisation. Floor area not exceeding 200m2. The Office to include also, hard stand and access drive , shaded carport for at least 3 cars, chain link fence etc. all as specified. Item L.S

Equipment for the Resident Engineer's Offices

3.4 P.C Sum of Kshs. 2,000,000/- for provision of furniture and equipment for the Resident Engineer's Office as specified under Clause 101(a) of the Specifications. Note: Final List of Furniture & Equipment to be procured will be provided by the Resident Engineer prior to commencement of Works. The furniture and equipment to revert to the Employer at the end of the Contract.

Item

P.C 2,000,000

3.5 Add …….% for profit, administration, attendance upon, overheads, etc. for Item 3.4 above. % 2,000,000

3.6 Provision and maintenance of Survey Equipment as specified under Clause 101(g) of the Specifications, for the sole use of the Resident Engineer during the duration of the Contract. Equipment to revert to the Contractor at the end of the Contract. Item L.S

3.7 Maintenance and attendance of the Resident Engineer's Office, including supply of provisions and consumables as specified under Clause 101(b) of the Specifications for the duration of the Contract. Note: Contractor to price for the monthly requirement of stationery, cleaning materials and other consumables specified in the Specifications.

month 14




BILL NO. 1




Resident Engineer's Staff

Provide the following Staff for the Resident Engineer's Office in accordance with Clause 101 of General and Specific Specifications. (Note: The Staff to be employed by the Contractor but to be under the exclusive day to day instruction of the Resident Engineer).

3.8 Secretary, ref. Clause 101(c) month 14

3.9 Office Assistant, ref Clause 101(c) month 14

3.10 Two Drivers, ref Clause 101(f) of the Specifications - (2Nr x 14 Months each) month 28

3.11 Surveyor, ref Clause 101 (g) month 12

3.12 Two Chainmen, ref Clause 101(g) - (2Nr. x 12 Months each) month 24

Vehicles

3.13 P.C. Sum of Kshs. 6,500,000/- for supply of 1Nr. 4WD Station Wagon Vehicle to be used by the Resident Engineer and his staff, including registration, inspection, etc. The vehicle to revert to the Employer after completion of Contract. Minimum specifications include but not limited to the following: Item P.C 6,500,000 • 3.0 litre Turbo Diesel Engine• Rear Differential Gear Lock• Braking System to include ABS (Anti-Lock Brake System)• Power Steering with adjustable Steering Column• Electronic Fuel Injection System.• 5 Speed Manual Transmission• Power Windows and Air Conditioning• Immobiliser and Alarm System• Fuel tank capacity between 80 litres and 100 litres

3.14 P.C. Sum of Kshs. 5,300,000/- for supply of 1Nr. 4WD Double-Cab Pick-up Vehicle to be used by the Resident Engineer and his staff, including registration, inspection, etc. The vehicle to revert to the Employer after completion of Contract. Minimum specifications similar to those for the 4WD Station Wagon Vehicle above.

Item P.C. 5,300,000

3.15 P.C. Sum of Kshs 2,000,000/- for provision of Comprehensive Insurance Cover for the Project Vehicles above for a period of 2 years up to the end of the Defects

Liability Period. Item P.C. 2,000,000

3.16 P.C. Sum of Kshs.1,500,000/- for Running and Maintaining the Project Vehicles procured under the items above including costs of transfer to the Employer at the end of Contract. Item P.C. 1,500,000




BILL NO. 1




3.17 P.C. Sum of Kshs. 500,000/- for provision of temporary Project Supervision Vehicles whilst the vehicles under the Contract are being procured, including cost of vehicle hire, fuels, lubricants, servicing, and any other related running costs. Item P.C. 500,000

3.18 Add …….% for profit, administration, attendance upon, overheads, etc. for Items 3.13 to 3.17 above. % 15,800,000

Accomodation of Engineer's Representative's Staff (Provisional)

3.19 Allow a P.C. Sum of Kshs. 1,500,000 for provision of 1Nr. fully furnished Rental Accommodation for the use of the Resident Engineer asper clause 101(d) of the Specifications, including day & night security, House Cleaner, Crockery, Electricity, Water Supply, Beddings etc. All to the satisfaction of the Engineer. Item P.C. 1,500,000


3.21 Allow a P.C. Sum of Kshs.2,500,000 for provision of 2Nr. fully furnished Accommodation for the use of Assistant Resident Engineer (1Nr) and Inspector of Works (1Nr) as per Clause 101(d) of the Specifications.

Item P.C. 2,500,000


Communications

3.23 P.C. Sum of Kshs 600,000 for provision of communication facilities and services (telephone, email, fax, postal, courier services, etc.) for the Project / Site Offices and the Supervision Staff. Item P.C. 600,000

3.24 Add …….% for profit, administration, attendance upon, overheads, etc. for Item 3.23 above. % 600,000

Other Supplies

Employers Counterpart Staff Costs

3.25 P.C. Sum of Kshs. 1,000,000/- to cover costs of the Employer's Counterpart Staff assigned to the Project Item P.C. 2,000,000


4 Other Costs

Cadastral Survey

4.1 Allow a Provisional Sum of Kshs.1.000,000 for carrying out cadastral survey by licenced Surveyor, wayleave acquisition, etc. including obtaining approval by Director of Surveys and issuance of Title Deeds at various Project sites, or for any requisite Engineering Survey, as directed by the Engineer. Item P.S 1,000,000



BILL NO. 1




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BILL NO. 1




Existing Services

4.2 P.C. Sum of Kshs. 2,000,000/- for Payments demanded by the Authorities for re-location of existing services, Road and Railway crossings, etc., including any statutory levies to relevant Authorities. Liaison with the relevant Authorities shall be the responsibility of the Contractor for the timely execution of the Works. Item P.C. 2,000,000


Costs as Directed by the Engineer

4.4 Provisional Sum of Kshs.2,000,000/- to be used as directed by the Employer / Engineer. Item P.S 2,000,000

5 Specific Works

5.1 Allow for all specific works related to working along active Sewer Lines and Storm Water Drains and maintaining continuity of sewerage flow in the existing System for the during of construction activity. Item L.S.

5.2 Allow for all Specific Works related to working within active Sewage Treatment Works and Pumping Stations and keeping the existing Facilities fully operational. If disruption of power supply may occur due to whats ever reason the Contractor to provide suitable temporary power supply in order to keep the existing Facilities fully operational. Item L.S.

5.3 Allow a Provisional Sum of Kshs.250,000 for provision of approved standards e.g. BSS, AWWA, DIN, KSS etc. for use by the Resident Engineer Office during execution of the Contract. Item P.S. 250,000

6 Storm Water Outlet Pipe

Allow a Provisional Sum of Kshs. 3,000,000 for detailed design of Storm Water Outlet Pipe including the surge chamber to extent as detailed by the Engineer.

Item P.S. 3,000,000

7 Other Works, Obligations

7.1 The Contractor shall describe in detail hereunder other works, obligations and things which may be referred to in the Specifications or which he may consider to have been omitted from the Bills of Quantities and for which he desires to enter a separate charge (the charge to be carried direct to the amount column). FULL DESCRIPTION OF ITEM(S) OF WORK OR ANY OTHER ISSUE SHOULD BE MADE. If no separate charge is made hereunder, the rates in the Bills of Quantities will be held as covering all expenses for all such Works.

i)

ii)

iii)



BILL NO. 1




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BILL NO.1 COLLECTION PAGE

BILL No. 1


Amount(Kshs.)

Page Total, Page 1 of 6 ………………………






………………………


Bill Total carried to GRAND SUMMARY

WASTEWATER MASTER PLAN FOR MOMBASA AND SELECTED TOWNS WITHIN THE COAST REGION

IMMEDIATE URGENT WORKS - NCB No. KE-MOWASCO-16772-CW-RFB - STORM WATER OUTLET IMPROVEMENTS

Page 1 of 1 Collection Sheet - Section 1


BILL NO. 2.1

HEADWORKS AT EXISTING STORMWATER DISCHARGE POINTS (TYPE A - 3Nr )

ITEM DESCRIPTION UNIT QUANTITY RATENo. Kshs.

Quantities in this Bill are for 1 Nr Type A Stormwater Headworks Site.

NOTES:This Bill is Provisional and can be deleted as decided by the Employer. This should have no effect on the rates of works in other Bills of Quantities.

The Employer has no available land to offer for dumping of spoil materials. Identification of and all accruing costs related to securing suitable area of land for dumping is the responsibility of the Contractor. Dumping and spreading is to be done in accordance with existing National Legislation and Local Authority's by-laws.

The Contractor is deemed to have allowed for this aspect of Work in their excavation and cart away to tips rates.

The Rates quoted by the Contractor shall be deemed to include provision by the Contractor for temporary vehicular access to all construction sites including negotiating and agreeing with private land owners and paying any costs thereof as required.

These works are to be carried out in congested built up areas with limited space. No wayleave has been arranged for and all the working area shall be organized by the Contractor at his own cost. Some Works area to be carried out beside active resources (electrical, water, etc) and storm water drain within the project sites. use of Bulk excavation machines may not be possible. Contractors rates to allow for double haulage of excavated materials or any additional costs for execution of the works.

Specific Conditions in execution of these Works are deemed to be included in the Contractor's rates. The Contractor will be required to submit a Method Statement for execution of Works under these specific conditions for approval prior to execution of the works. These include but are not limited to the following:i. No blasting will be permitted in these areasii. The Contractor to maintain uninterrupted continuity of water supply in existing mains, stormwater drains, etc. iii. Safety hoarding, lighting, bands, warning signs etc. to be maintained at all times.

WASTE WATER MASTER PLAN FOR MOMBASA AND SELECTED TOWNS WITHIN THE COAST REGION

Page 1 of 18 Bill No. 2.1


BILL NO. 2.1




Quantities in this Bill are for 1 Nr Type A Stormwater Headworks Site.

GENERAL ITEMS

1 Allow for water tightness testing of Works as specified Item L.S

2 The Works under this Bill of Quantities involve working on storm water sewers which are active and in areas where storm water drains are not well maintained. Allow all costs for dealing with waste water / storm water flows, seepage and crossing drains or waterways where they might interfere with the construction and reinstate these after construction has been completed. All waterways to be kept operational during execution of the works. Include for all equipment including pumps, exhauster equipment, construction of temporary drains etc.

Item L.S

3 Allow all costs for dealing with sewage / storm water flow and maintaining continuity of flow to ensure that all households draining into the storm water drain are not affected, by pumping, diversion or by other means approved by the Engineer during execution of the works.

Item L.S

4 Demolition, Site Clearance and General Excavation

4.1 Clear Site of all grass, bushes, trees, shrubs, etc, grub up roots and cart away to tips. Ha 0.1

4.2 Allow for removal of 200mm top soil and cart away to tips. Ha 0.1

4.3 Excavate in all materials to formation levels of Head Works, stack materials on site for re-use as fill or cart away to tips and spread. Tip to be identified by the Contractor in liaison with the Local Authority. m3 180

4.4 Use materials stacked under item 4.3 above to fill in layers and compact as directed m3 180

4.5 Extra over item 4.3 for excavation in rock Class 'A' m3 80

4.6 - Ditto- for excavation in rock Class 'B' m3 50

4.7 - Ditto- for excavation in rock Class 'C' m3 50

5 Inlet Works Screening Area & Grit Trap Chambers / Channels

Concrete Class 15/205.1 Provide all materials, mix, place and vibrate 75mm thick

concrete Class 15/20 as sealing coat m2 150

Concrete class 25/20

5.2-Ditto - but concrete Class 25/20 as directed including rounded corners and trapezoidal cross section for grit channels as required. m3 70

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BILL NO. 2.1




Granolithic Sulphate Resisting Concrete5.3 In benching 75mm minimum thickness formed to slopes

and inverts and dressed to channels and trowelled smooth m2 30

Form Work

5.4 Formwork Class F2 m2 200


Reinforcement

5.6 16mm dia. and over high tensile steel Kg 4,200

5.7 12mm dia. and below high tensile steel Kg 4,200

Fibre Reinforced Plastic Works

5.8 Supply Fibre Reinforced Plastic Handstop 700mm wide x 1000mm deep Nr 5

5.9 Frame to suit above built into concrete complete Nr 5

5.12 Supply Fibre Reinforced Plastic Handstop 400mm wide x 300mm deep (Type A) Nr 3


Filter Media

5.14Graded stone filter media, aggreagate size 150mm and 40-75mm dia. Covered with 2.0m2 Protective mesh wire. (Type A)

m3 2

Metal Work

5.15 Galvanised mild steel coarse screen to suit channel 900mm deep x 600mm wide including fittings and fixtures and built into concrete complete as detailed on Drawings Nr 2

5.16Galvanised mild steel fine screen to suit channel 900mm deep x 600mm wide inlcuding fittings and fixtures and built into concrete complete as detailed on Drawings

Nr 2

5.17 Galvanised mild steel coarse screen for Storm water overflow chamber to suit vertical opening 1 m high x 3m long including fittings and fixtures and built into concrete complete as detailed on Drawings (Type A & A1) Nr 1

5.18Providing all materials and fixing in place a Galvanised mild steel fine screen to suit vertical opening at Grit Removal Chambers (Type A & A1). 16mm MS bars at 25mm spacing for 1.2m wide opening, anchored to the concrete wall at the bottom and a 25mm x 16mm MS Support bar (1.5m long) at the top detailed on Drawings

Nr 2




BILL NO. 2.1




5.19 Galvanised mild steel screenings tray 3.0m long x 0.5m wide, 8mm thick built into concrete complete as detailed on Drawings

Nr 2

5.20 Form expansion joint 25mm wide including waterbar and all priming and sealing as specified m 15

Lorry Skip

5.21 Supply 2m³ Skip bin Dimensions 1.3m x 1.8m x 1.0m deep manufactured from 4.5mm thick steel. The bin should have Galvanised steel lifting lugs on the sides for ease of lifting from approved manufacturer.

Nr 2

6 Flow Splitting Chamber, Distribution Channels and Venturi Flume

Concrete Class 15/20

6.1 Provide all materials, mix, place and compact 75mm thick concrete Class 15/20 concrete as sealing coat. m2 30


6.2 Provide all materials, mix, place and compact concrete Class 25/20 as directed. m3 16

Reinforcement

6.3 16mm dia. and over high tensile steel kg 960

6.4 12mm dia. and below high tensile steel kg 960

Form Work



7 Flow Measurement Equipment

7.1 Allow a Provisional Sum of Kshs. 100,000 for supply of 1 Nr. suitably calibrated MS flow measuring scale wall mounted at the measuring section of each Venturi Flume

Item P.S

8 Surge Chamber





Reinforcement

8.3 16mm dia. and over high tensile steel kg 1,000

8.4 12mm dia. and below high tensile steel kg 1,000




BILL NO. 2.1




Form Work



9 Retaining Walls (Provisional)

9.1 RC Retaining Walls


9.1.1 Provide all materials, mix, place and compact 75mm thick concrete Class 15/20 concrete as sealing coat. m2 25


9.1.2 Provide all materials, mix, place and compact concrete Class 25/20 as directed. m3 10

Reinforcement

9.1.3 16mm dia. and over high tensile steel kg 600

9.1.3 12mm dia. and below high tensile steel kg 600

Form Work

9.1.4 Formwork Class F2 m2 5


9.2 Masonry Retaining Walls

Selected coral stone blockwalling, Fine chisel dressed or Machine Dressed Reinforced with 20swg Hoop Iron at every alternate course and Bedded jointed and Pointed in Cement Mortar (1:3)

9.2.1 200mm thick walling m2 25

10 Sun Shade

10.1 Provide all materials and construct 1 Nr. sun shade over the screening area and lorrry skip with Aluminium Sheet Roofing, plan area 5m x 11m supported on RHS and epoxy painted steel trussues. The rate to include for all requisite members, bolts , nuts, brackets, all equipment to complete the works and epoxy painting of all steel work. The Contractor to include for submission of shop Drawings for approval.

Item L.S

11 In Situ Concrete Manholes and Drain Pipes

11.1 Excavate for, provide all materials and construct 1200mm nominal diameter in-situ cast concrete storm water manhole on storm water sewers, all in accordance with details shown on drawings. Include for provision of fixing of cast iron step irons and heavy duty triangular mild steel frame, concrete filled cover as detailed. The rate should be inclusive of two flexible joints adjacent to the manholes as detailed and provision of box out and sealing for all pipes. Depth n.e. 2.0m

Nr 5



BILL NO. 2.1




PAGE TOTAL CARRIED FORWARD TO SECTION COLLECTION SHEET11.2 Provide all materials and construct inspection chambers,

600mm x 600mm. Include for supply and fixing of precast concrete cover slab and step irons, as detailed on standard drawings, depth n.e 1.0m

Nr 5

11.3 Provide all materials, lay, joint and test OD 300mm Concrete pipe for site drainage as shown in Site Layout, Depth n.e. 2.0m

m 20

12 Ancillary Works

Roads

12.1 Excavate to formation level, stack suitable material on site for use as fill, place fill material in and compact to required density in areas of fill to road formation levels and cart away surplus to tips and spread.

m3 60

12.2 Provide, lay and compact 150mm thick hand-packed stone on compacted sub-base m2 130

12.3 Provide, lay and compact 150mm crusher run or quarry chips including for watering and stone dust blinding as directed by the Engineer.

m2 130

12.4 Provide and apply approved weed killer/herbicide to road surface in accordance with manufacturer's instructions. m2 130

12.5 Provide and lay medium duty interlocking paving blocks, 60mm thick minimum crushing strength 35 - 40N/mm2. The rate to include for supply and preparation of 50mm thick graded sand bed and compaction by surface vibration.

m2 130

12.6 Provide all materials, supply, lay and joint precast concrete kerbs 250mm x 125mm on Class 20/20 concrete bed 180mm and haunch 125mm thick, laid to straight.

m 60

12.7 E.O. for kerbs laid to radius >3m m 10

12.8 Provide all materials, supply, lay and joint 125mm x 100mm road channels on concrete bed and haunch as shown on drawings.

m 60

12.9 E.O. for channels laid to radius >3m m 5

Footpaths

12.10 Provide, lay and compact 100mm thick murram base to footpaths as specified m2 75

12.11 Provide and apply approved weed killer/herbicide in accordance with manufacturer's instructions to murram base

m2 75

12.12 Provide, place and joint 600mm x 600mm x 50mm thick precast concrete paving slabs as directed. Rate to inlcude for all jointing material and 50mm thick sand cushion.

m2 75




BILL NO. 2.1




Surface Water Drainage

12.13 Excavate trench to required levels for stone-pitched open drain 500mm wide at bottom sloping 1-1 on both sides and spread the excavated material as directed. Average depth not exceeding 1.0m. Rate to include for trimming of sides to the correct slopes and carting away excavated material to tip.

m 50

12.14 Provide all materials and line stone-pitched drains as shown on drawings and as directed by the Engineer. m 50

Storm Water Sewers and Surface Water Drainage

12.15 Excavate in trench for 300mm dia storm water sewer, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e.1.5m

m 50

12.16 - Ditto - for draining Lorry skip. Depth n.e. 3m m 50

12.17 Provide, lay, joint and test 300mm dia. ogee concrete pipes as directed by the Engineer. m 100

12.18 Excavate in trench for 450mm dia storm water sewer, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e. 1.5m

m 50

12.19 Provide, lay and joint 450mm dia. ogee concrete pipes as directed. m 50

12.20 Excavate in trench for 300mm dia surface water drainage, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e. 1.5m

m 50

12.21 Provide, lay, joint and test OD 300mm uPVC pipe as directed. m 50

Headwall

12.22 Excavate for, provide all materials and construct 200mm thick Reinforced Concete headwall as per details on Standard Drawings Rate to include for backfill and carting surplus materials to tips.

Nr 1

Fence

12.23 Excavate for post holes, provide all materials and construct chain link fence on concrete posts at 3m centres all as per details shown on Standard Drawings

m 150

12.24 Provide all materials and construct 4.0m wide gate including reinforced concrete Class 20/20 pillars all as detailed on Standard Drawings

Nr 1

12.25 -Ditto - but 1.2m wide pedestrian gate as detailed on Standard Drawings Nr 1

Landscaping

12.26 Spread top soil stacked on site (Item 4.2), level and prepare for grassing and landscaping. m2 100




BILL NO. 2.1




12.27 Provide and plant approved grass in areas prepared under item 12.31 above and maintain until it takes root. m2 100

Signboard

12.28 Provide all materials and construct Works signboard as detailed on Standard Drawings. Include for painting, decorating and anchoring of the signboard to the ground using 300mm x 300mm x 600mm deep mass concrete footing, all as detailed

Nr 1

NOTE: FINAL WORDING ON THE SIGN BOARD TO BE DECIDED IN CONSULTATION WITH THE CLIENT

Method Related Charges

12.29 Allow for keeping excavation free of water which may occur through ground water seepage, rain or other means for all the Headworks Site.

Item L.S

13 Sea Outfall

The Works under this Item involve laying of a HDPE pipe from the headworks within Mombasa Island, through the surge chamber and into the sea shore to below the low-low tide level within the Indian Ocean. The Contractor shall provide a method statement for construction of the sea outfall. The sea outfall shall be laid in trench close to the beach and gradually placed on the sea bed to the low-low tide water level.

Note:- Items for work shall include:- -Diversion work, excavation, preparation of surfaces, disposal of excavated material, upholding sides of excavation, backfilling and removal of surplus materials / disposal -Concrete, reinforcement, formwork, joints and finishes.

13.1 Excavate trench to required levels, stack material on site for use as fill, place fill material in and compact after laying of pipes and cart away surplus to tip. Depth to invert n.e. 2.0m

m3 50

13.2 Excavation in rock, depth n.e 2.0m including preparation of trenches (No blasting permitted)

13.2.1 Extra over Item 13.2 for excavation in rock Class 'A' m3 20

13.2.2 - Ditto - but for excavation in rock Class 'B' m3 20

13.2.3 - Ditto - but for excavation in rock Class 'C' m3 10

13.3 Provide, transport to site and store 200mm dia. HDPE Pipe, (PE 100 - SDR 11) m 50

PAGE TOTAL CARRIED FORWARD TO SECTION COLLECTION SHEET13.4 Transport from site store, lay, joint and test 200mm dia.

HDPE Pipe, (PE 100 - SDR 11) from the Surge Chamber to the low-low water level as the sea outfall. This includes providing all materials including pipes, laying, anchors on ocean floor and appropriate jointing.

m 50



BILL NO. 2.1




13.5 Provide all material and construct reinforced concrete pipe supports for the outfall pipe on the sea bed up to the low-low tide level. These supports shall be cast in two parts with the bottom and top parts separate using Class 25/20 reinforced concrete. As per schedule in the standard drawings

m3 10

13.6 Provide an interlining material between the pipe and the RC Support of 6mm thick rubber sheet or 6mm thick neoprene sponge sheet.

m2 25

13.7 Place the RC pipe supports on the sea bed with the outfall pipe and lining properly placed and secured to the low-low water tide level. Contractor to provide method statement on placement of Pipe supports including placing the lining in Item 13.6 above.

Nr 18


13.8 Allow for method related charges for working within the sea shore line during low and high tide water levels. These should be indicated below with pricing of each item for each Headworks Site.

i) Dealing with sea water Item L.S

ii) Specialised Equipment including mobilisation and demobilisation e.g. crane, barge, winch etc. Item L.S

iii) Post installation survey by a competent diver to ensure proper alignment in the pipe, proper discharge, leakage etc including photography. Item L.S

Allow for any other related charges required

iii)

iv)

13.9 Provide a Provisional Sum of Kshs. 1,000,000 to be used for any unforseen works as directed by the Engineer



AMOUNTKshs.



AMOUNTKshs.


100,000


AMOUNTKshs.



AMOUNTKshs.


1,000,000


BILL No. 2.1 COLLECTION PAGE

WATER AND SANITATION DEVELOPMENT PROJECT WASTE WATER MASTER PLAN FOR MOMBASA AND SELECTED TOWNS WITHIN THE COAST REGION

BILL NO. 2.1


AmountKshs.

Page Total, Page 1 of 9 ………………….









………………….

Bill Total carried to Summary sheet (AxN) ………………….

Sub Total for 1 Nr. (A)

Number of Units,3Nr (N)

Summary Bill No. 2.1


BILL NO. 2.2

HEADWORKS AT EXISTING STORMWATER DISCHARGE POINTS (TYPE A 1 - 1 Nr)


Quantities in this Bill are for 1 Nr Type A1 Stormwater Headworks Site.










BILL NO. 2.2




Quantities in this Bill are for 1 Nr Type A1 Stormwater Headworks Site.

GENERAL ITEMS



Item L.S


Item L.S

















BILL NO. 2.2






Form Work



Reinforcement








Filter Media

5.12Graded stone filter media, aggreagate size 150mm and 40-75mm dia. Covered with 2.0m2 Protective mesh wire. m3 2

Metal Work

5.13 Galvanised mild steel coarse screen to suit channel 900mm deep x 600mm wide including fittings and fixtures and built into concrete complete as detailed on the standard drawings Nr 2

5.14 Galvanised mild steel fine screen to suit channel 900mm deep x 600mm wide inlcuding fittings and fixtures and built into concrete complete as detailed on the standard drawings Nr 2

5.15 Galvanised mild steel coarse screen for Storm water overflow chamber to suit vertical opening 1 m high x 3m long including fittings and fixtures and built into concrete complete as detailed on the standard drawings (Type A1) Nr 1

5.16 Providing all materials and fixing in place a Galvanised mild steel fine screen to suit vertical opening at Grit Removal Chambers (Type A & A1). 16mm MS bars at 25mm spacing for 1.2m wide opening, anchored to the concrete wall at the bottom and a 25mm x 16mm MS Support bar (1.5m long) at the top detailed on the standard drawings

Nr 3




BILL NO. 2.2




5.17 Galvanised mild steel screenings tray 3.0m long x 0.5m wide, 8mm thick built into concrete complete as detailed on the standard drawings

Nr 2


Lorry Skip


Nr 2






Reinforcement



Form Work





Item P.S

8 Surge Chamber





Reinforcement






BILL NO. 2.2




Form Work









Reinforcement



Form Work






10 Sun Shade


Item L.S



Nr 5




BILL NO. 2.2




11.2 Provide all materials and construct inspection chambers, 600mm x 600mm. Include for supply and fixing of precast concrete cover slab and step irons, as detailed on standard drawings, depth n.e 1.0m

Nr 5


m 20

12 Ancillary Works

Roads


m3 60



m2 130



m2 130


m 60



m 60


Footpaths



m2 75


m2 75




BILL NO. 2.2






m 50



12.15 Excavate in trench for 300mm dia storm water sewer, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e.1.5m

m 50

12.16 - Ditto - for draining Lorry skip. Depth n.e. 2.0m m 50



m 50



m 50


Headwall


Nr 1

Fence


m 150


Nr 1


Landscaping





BILL NO. 2.2





Signboard


Nr 1




Item L.S

13 Sea Outfall




m3 50






PAGE TOTAL CARRIED FORWARD TO SECTION COLLECTION SHEET13.4 Transport from site store, lay, joint and test 250mm dia.

HDPE Pipe, (PE 100 - SDR 11) from the Surge Chamber to the low-low water level as the sea outfall. This includes providing all materials including pipes, laying, anchors on ocean floor and appropriate jointing.

m 50



BILL NO. 2.2





m3 10


m2 25


Nr 18


13.8 Allow for method related charges for working within the sea shore line during low and high tide water levels. These should be indicated below with pricing of each item for each Headworks.





iii)

iv)




AMOUNTKshs.



AMOUNTKshs.


100,000


AMOUNTKshs.



AMOUNTKshs.


1,000,000




BILL NO. 2.2


AmountKshs.










………………….






BILL NO. 2.3

HEADWORKS AT EXISTING STORMWATER DISCHARGE POINTS (TYPE B - 2Nr )


Quantities in this Bill are for 1 Nr Type B Stormwater Headworks Site.










BILL NO. 2.3




Quantities in this Bill are for 1 Nr Type B Stormwater Headworks.

GENERAL ITEMS



Item L.S


Item L.S

















BILL NO. 2.3






Form Work



Reinforcement






5.10 Supply and install Fibre Reinforced Plastic Handstop 400mm wide x 600mm (Type B & B1) Nr 4


Metal Work



5.14 Galvanised mild steel coarse screen for Storm water overflow chamber to suit vertical opening 1 m high x 5.0m long including fittings and fixtures and built into concrete complete as detailed on the standard drawings Nr 1


Nr 2


Lorry Skip

5.17 Supply 2m3 Skip bin Dimensions 1.3m x 1.8m x 1.0m deep manufactured from 4.5mm thick steel. The bin should have Galvanised steel lifting lugs on the sides for ease of lifting from approved manufacturer.

Nr 2




BILL NO. 2.3









Reinforcement



Form Work





Item P.S

8 Surge Chamber





Reinforcement



Form Work










BILL NO. 2.3






Reinforcement



Form Work




Selected coral stone blockwalling, Fine chisel dressed or Machine Dressed Reinforced with 20 swg Hoop Iron at every alternate course and Bedded jointed and Pointed in Cement Mortar (1:3)


10 Sun Shade


Item L.S



Nr 5


Nr 5


m 20




BILL NO. 2.3




12 Ancillary Works

Roads


m3 60



m2 130



m2 130


m 60



m 60


Footpaths



m2 75


m2 75




BILL NO. 2.3






m 50



12.15 Excavate in trench for 300mm dia storm water sewer for draining Lorry skip area, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e. 2.0m

m 50



m 50



m 50



m 50


Headwall


Nr 1

Fence


m 150


Nr 1





BILL NO. 2.3




Landscaping



Signboard


Nr 1




Item L.S

13 Sea Outfall




m3 50








BILL NO. 2.3





13.4 Transport from site store, lay, joint and test 400mm dia. HDPE Pipe, (PE 100 - SDR 11) from the Surge Chamber to the low-low water level as the sea outfall. This includes providing all materials including pipes, laying, anchors on ocean floor and appropriate jointing.

m 50


m3 10


m2 25


Nr 18


13.8 Allow for method related charges for working within the sea shore line during low and high tide water levels. These should be indicated below with pricing of each item for 1 Nr. Headworks.





iii)

iv)




AMOUNTKshs.



AMOUNTKshs.


100,000


AMOUNTKshs.



AMOUNTKshs.


1,000,000




BILL NO. 2.3


AmountKshs.










………………….






BILL NO. 2.4

HEADWORKS AT EXISTING STORMWATER DISCHARGE POINTS (TYPE B1 - 4Nr )


Quantities in this Bill are for 1 Nr Type B1 Stormwater Headworks Site.










BILL NO. 2.4




Quantities in this Bill are for 1 Nr Type B1 Stormwater Headworks Site.

GENERAL ITEMS



Item L.S


Item L.S

















BILL NO. 2.4






Form Work



Reinforcement






5.10 Supply and install Fibre Reinforced Plastic Handstop 400mm wide x 600mm (Type B1) Nr 4


Metal Work



5.14 Galvanised mild steel coarse screen for Storm water overflow chamber to suit vertical opening 1.0 m high x 5.0m long including fittings and fixtures and built into concrete complete as detailed on the standard drawings Nr 1


Nr 2


Lorry Skip


Nr 2




BILL NO. 2.4









Reinforcement



Form Work





Item P.S

8 Surge Chamber





Reinforcement



Form Work










BILL NO. 2.4






Reinforcement



Form Work






10 Sun Shade


Item L.S



Nr 5


Nr 5


m 20




BILL NO. 2.4




12 Ancillary Works

Roads


m3 60



m2 130



m2 130


m 60



m 60


Footpaths



m2 75


m2 75



m 50




BILL NO. 2.4






12.15 Excavate in trench for 300mm dia storm water sewer to drain lorry skip, backfill after laying of pipes and cart away surplus to tips. Depth to invert n.e.1.5m

m 50



m 50



m 50



m 50


Headwall


Nr 1

Fence


m 150


Nr 1


Landscaping






BILL NO. 2.4




Signboard


Nr 1




Item L.S

13 Sea Outfall




m3 50





13.3 Provide, transport to site and store 450mm dia. HDPE Pipe, (PE 100 - SDR 11)


m 50




BILL NO. 2.4





m3 10


m2 25

13.7 Place the RC pipe supports on the sea bed with the pipe properly placed and secured to the low-low water tide level. Contractor to provide method statement on placement of Pipe supports including placing the lining in Item 13.6 above.

Nr 18


13.8 Allow for method related charges for working within the sea shore line during low and high tide water levels. These should be indicated below with pricing of each item for 1 Nr. Headworks.





iii)

iv)




AMOUNTKshs.



AMOUNTKshs.


100,000


AMOUNTKshs.



AMOUNTKshs.


1,000,000




BILL NO. 2.4


AmountKshs.










………………….






BILL NO. 2.5


Quantities in this Bill are combined for all 4 Nr Existing Pumping Station Sites.








MODIFICATION OF EXISTING 4 Nr PUMPING STATIONS INCLUDING EMERGENCY OUTFALL (TYPE C-4Nr)



BILL NO. 2.5




1 Type 'C' Grit Trap (4 Nr Existing Pumping Station Sites)

1.1 Allow a Provisional Sum of Kshs. 12,000,000 for Modification of Existing 4 Nr Pumping Stations on Mombasa Island. The Works include installation of coarse and fine screens, provision for screenings removal and disposal, modification of existing grit removal chamber, rehabilitation of existing emergency overflow and construction of surge chamber.

Item P.S

2 Storm Water Outlet - 4 Nr at 4 Nr Existing Pumping Stations

These quantities are for total 4nr Storm Water Outlets at the 4Nr Existing Pumping Station

The Works under this Item involve laying of a HDPE pipe from the headworks within Mombasa Island, through the surge chamber and into the sea shore to below the low-low tide level within the Indian Ocean. The Contractor shall provide a method statement for construction of the sea outfall. The sea outfall shall be laid in trench close to the beach and gradually placed on the sea bed to the low-low tide water level. Note:- Items for work shall include:- - Diversion work, excavation, preparation of surfaces, disposal of excavated material, upholding sides of excavation, backfilling and removal of surplus materials / disposal - Concrete, reinforcement, formwork, joints and finishes.


m3 200







m 200




BILL NO. 2.5





m3 40


m2 100

2.7 Place the RC pipe supports on the sea bed with the pipe properly placed and secured to the low-low water tide level. Contractor to provide method statement on placement of Pipe supports including placing the lining in Item 2.5 above.

Nr 72


2.8 Allow for method related charges for working within the sea shore line during low and high tide water levels. These should be indicated below with pricing of each item for all 4 Nr. Outfall Sites.





iii)

iv)


3 Ancillary Works on 4 Nr Existing Pumping Stations

3.1 Allow a Provisional Sum of Kshs. 6,925,017 for General Building Rehabilitation Works on the Existing 4 Nr Pumping Stations on Mombasa Island. The Works include general building works e.g. painting and general building repairs and site and ancillary works e.g. fencing, gates etc.

Item P.S



AMOUNTKshs.



AMOUNTKshs.


12,000,000


AMOUNTKshs.


6,925,017




BILL NO. 2.5

AmountKshs.




………………….







WASTE WATER MASTER PLAN FOR MOMBASA AND SELECTED TOWNS WITHIN THE COAST REGIONIMMEDIATE URGENT WORKS - NCB No. KE-MOWASCO-16772-CW-RFB

collections from bill No.2.1 Type A

collections from bill No.2.2 Type A1

collections from bill No.2.3 Type B

collections from bill No.2.4 Type B1

collections from bill No.2.5 Type C

Bill Total carried to GRAND SUMMARY

AmountKshs.

………………….

………………….

………………….

………………….

………………….

………………….

IMMEDIATE URGENT WORKS - NCB No. KE-MOWASCO-16772-CW-RFB - STORM WATER OUTLET IMPROVEMENTS


ITEM DESCRIPTION UNIT QTY RATE AMOUNTNo. Kshs Kshs.

This Bill is Provisional and can be deleted as decided by the employer. This should have no effect on the rates of Works on other Bills of Quantities.

Note: THE QUANTITIES ON THIS BILL ARE FOR 1NR WASHROOM FACILITY.

Typical Arrangement for a Washroom Facility is shown on the drawings

1 SUBSTRUCTURES

SITE CLEARANCE & TOP SOIL STRIPPING

1.1 Clear area within the site of all grass, bushes, shrubs, hedges, grub up roots and cart away to tips as directed by the Engineer.

m2 80

1.2 Cut down trees, grub up roots and burn debris. Girth n.e. 1.2m (Provisional).

Nr 1

1.3 Excavate over site for buildings, roads, etc.average 150mm deep to remove vegetable soil and stack part of material for use as and where directed by the Engineer, cart away surplus to tips.

m2 80

EXCAVATIONThe rates shall include for all strutting, shuttering, stabilising the excavation faces, and keeping the excavation free of water by pumping, bailing or other means.

1.4 Excavate below stripped level to formation level in common material, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer. Maximum depth n.e. 1.0 m

m3 22

Extra Over Excavation in any Position For:- (Provisional)

1.5 Excavating in rock Class "A" m3 3

1.6 Excavating in rock Class "B" m3 3

1.7 Excavating in rock Class "C" m3 3

Approved Selected Filling as Described:-

1.8 Fill and ram selected excavated materials around foundations and buildings.

m3 10

Approved Hardcore Filling as Described:-

1.9 Provide and deposit approved imported hardcore in maximum 150mm thick layers in making up levels including achieving satisfactory compaction.

m3 5


BILL NO. 2.6

HEADWORKS - WASHROOM FACILITY (10 Nr.)

PAGE TOTAL CARRIED TO BILL COLLECTION PAGE





BILL NO. 2.6


1.10 Provide, lay and level out fine crushed stone, sand or gravel blinding 50mm thick to surface of filling, including watering and rolling to achieve satisfactory compaction.

m2 25

Disposal

1.11 Load and cart away excess excavated soil to an approved dumping site

m3 15

Anti-Termite Treatment

1.12 Chemical anti-termite treatment to surface of filling with an approved insecticide

m2 73

Damp-proof Membrane

1.13 500 Gauge polythene damp-proof membrane laid in 2 layers, laid over blinding

m2 73

CONCRETE

Mass Concrete Class 15/20mm maximum aggregate as described in:-

1.14 50mm Thick blinding under foundation concrete m3 7

Guaranteed Strength Reinforced Concrete Class 25/20mm maximum aggregate as described in:-

1.15 200mm Thick floor slab m3 17

1.16 Strip Footing m3 3

Reinforcement ( All Provisional)

1.17 Fabric Reinforcement No. A142 Mesh Size 150 x 150mm Weighing 2.22 kgs Per m2 , with minimum 150mm wide side and end laps, laid in bed.

m2 84

Formwork

Formwork to surfaces, including cutting fins or filling of small voids

1.18 Vertical sides of slab m2 12

Walling.

Natural Coral Stone Walling, Medium Chisel Dressed, Reinforced with 20 swg Hoop Iron at every alternate course, and Bedded, Jointed and Pointed in Cement Mortar (1:3):-

1.19 200 mm Walling m2 30

Damp-proof course:

One layer bitumen felt damp proof course to B.S. 743, Type A, Hessian base, weighing 3.8 kgs. per m2 with 150mm laps, bedded in cement mortar

1.20 150mm Wide under walls m 10






BILL NO. 2.6



2 SUPERSTRUCTURE

CONCRETE WORK


2.1 Roof slab and overhang m3 9

2.2 Beams m3 3

Reinforcement

Hot Rolled High Yield Steel Deformed Bars to B.S.4449, Including Bends, Hooks, Tying wire, Distance Blocks and Ordinary Spacers:-

2.3 8mm Diameter Kg 80


Formwork

2.5 Vertical sides and soffits of horizontal roof beams m2 18

3 WALLING

External Walls

Selected Stone Block Walling, Machine Dressed, Reinforced with 20 swg Hoop Iron at every alternate courses, and Bedded, Jointed and Pointed in Cement Mortar (1:4):-

3.1 200mm Thick walling m2 45

3.2 200mm Thick parapet walling m2 18

3.3 Extra over walling for ruled horizontal joints m2 63

Quarry Tiles Cills

150mm Wide quarry tiles cill bedded, jointed and pointed in cement mortar on top of 200mm wall, and set in window opening :-

3.4 600mm Long Nr 20

3.5 1800mm Long Nr 36

Internal Walls


3.6 150mm Thick m2 24






BILL NO. 2.6


4 DOORSTimber Door Frames

Wrot CypressWrot Cypress Door Frames size 100 x 50mm with a suitable rebate to receive hinged door panel, including suitable mild steel cramps fixed to back of frame and fixing to door opening size and all necessary woodwork finishes (prepare, knot, prime, stop and apply two undercoats and one finishing coat hard gloss paint to woodwork):-

4.1 Frame to fit door opening 900mm wide x 2400mm high Nr 5

Solid Core Timber Doors

Supply and Fix 50mm Thick Prime Grade Cypress Panelled Door With 50 x 100mm Stiles and Top Rails,50 x 150mm Middle and Bottom Rails and Infill Panels in 50 x 100mm T & G battens. Rate to include for 3 Nr 100mm steel heavy duty washered butt hinges, three lever mortice lock as 'Union Ref:2237' with a set of aluminium lever handles as "Union" Ref.681-06-02 and rubber door stop and three coats of gloss paint complete with bedding and pointing around frames in cement mortar. (See Door Details in Standard Drawings):-

4.2 Door size 800 x 2030 mm high timber batten door Nr 5

EXTERNAL DOORSecondary Metal Security Grilled Door With EX 100 x 50mm Stiles and Top Rails,EX 150 x 50mm Middle and Bottom Rails and 25 x 25mm mild steel square bars at 150mm centres vertically:-

4.3 Door size 900 x 2400 mm Nr 1

Fanlights

Fanlight Panel in-filled with 5mm thick Frosted Glass with a Clear Pattern and With 12mm Thick Hardwood Lipping All Round:-

4.4 Fanlight panel size 875mm wide x 275mm high Nr 5

Wrot Cypress

4.5 20 x 20mm Quadrant m 75

5 IRONMONGERY

5.1 Stainless steel kicking plate size 800 x 200mm Nr 2PAGE TOTAL CARRIED TO BILL COLLECTION PAGE





BILL NO. 2.6


Supply and Fix the following Standard Section Steel Casement Windows, including 4mm Thick Translucent Sheet Glass glazed to Steel Casements with putty, complete with opening accessories, including building in lugs to jambs and head and water-proofing and filling around opening with approved compound; and including burglar-proofing fabricated from 12 x 12mm mild steel square bars at 150mm centres vertically and 150mm horizontally and fixed internally to surrounding wall with 12mm mild steel fish-tailed lugs at maximum 600mm centres; all finished with three coats oil paint, :-

5.2 Window size 1797 x 597mm steel casement window in 3 equal panels with 1 No. fixed and 2 No. top-hung panels opening outwards (W5)

Nr 2

5.3 Window size 597 x 597mm steel casement window with top-hung panel opening outwards (W6)

Nr 7

6 EXTERNAL WALL FINISHES

External Rendering in 12mm (minimum) Thick in Two Coats, Undercoat Comprising Cement - Sand (1:4) and Finishing Coat Comprising Cement- Sand (1:4) Finished with a Dry Wood Float:-

6.1 Recessed to vertical walls m2 62

6.2 Ditto to parapet walls m2 18

7 INTERNAL WALL FINISHES

Internal Plaster in 12mm (minimum) Thick in Two Coats, Undercoat Comprising Cement- Lime putty- Sand (1:2:9) and Finishing Coat Comprising Cement- Lime putty- Sand (1:1:6) Finished Smooth with a Steel trowel:-

7.1 Plaster to vertical walls m2 46

7.2 Ditto to reveals of openings m2 5

Screeds and Backing

Bonded cement and sand (1:4) screed bed in one coat, well bonded to concrete base as described:-

7.3 45mm Thick screed laid to falls to receive coloured floor tiles

m2 25

7.4 Ditto but to receive 150mm high skirting m 45

7.5 20mm Thick waterproof Screed to Roof Slab and overhang

m2 70






BILL NO. 2.6


Bonded cement and sand (1:4) Backing 12mm (minimum) Thick in one coat, well bonded to concrete or blockwork with approved plasticiser as described:-

7.6 Backing laid vertical to receive coloured ceramic wall tiles.

m2 35

Wall Tiles

Coloured Ceramic Wall Tiles from Saj Co. as supplied by M/s Tile & Carpet Centre, or other equal and approved:-

7.7 300 x 300mm Thick coloured wall tiles laid on backing (measured separately) and joints filled in approved filler to match colour of tiles.

m2 35

Sundries

7.8 PVC tiling edge to external corners of tiles (Provisional) m 40

8 FLOOR FINISHES

Ceramic Floor Tiling

Coloured Ceramic Floor Tiles from Saj Co. as supplied by M/s Tile & Carpet Centre, or other equal and approved :-

8.1 300 x 300mm Tiles laid on screed (measured separately) and joints filled in approved filler to match colour of tiles

m2 35

8.2 Ditto but laid as skirting 150mm high m 40

9 PAINTING AND DECORATING

Prepare, prime and apply three coats emulsion paint :

Externally on:-

9.1 Metal door (measured flat overall) m2 8

9.2 Metal window (measured flat overall) m2 6

Prepare, knot, prime, stop and apply two undercoats and one finishing coat hard gloss paint to woodwork:-Internally on:-

9.3 General surfaces of doors (measured flat overall) m2 15

Externally on:-


Prepare and apply three coats of exterior first quality silk vinyl washable paint to :-

9.5 Rendered concrete surfaces m2 62






BILL NO. 2.6


Prepare and apply three coats of interior first quality silk vinyl washable paint to :-

9.6 Plastered vertical concrete surfaces m2 44

10 SANITARY FITTINGS

Supply, deliver and install the following appliances including Builder's work for installation support brackets, screws etc and their connection to water supply, waste/soil drainage and electrical supply.

10.1 600 x 600 x 6mm thick bevelled plate glass mirror with chromium plated domed screws complete with 5mm thick foam back rest.

Nr 2

10.2 Close coupled water closet as "(No Suggestions) Option" with cistern comprising *WC bowl with horizontal outlet with S trap outlet connector ,6 litre cistern with fittings & CP lever , *seat & cover

Nr 1

10.3 Urinal bowl with urinal automatic flushing system complete with cistern and flush pipes

Nr 1

10.4 Wall mounted washbasin as "Twyfords Entice 575" with one tap & 32mm waste grid *basin mixer as "Europath Astra" with aerator & pop -up waste.*32mm CP bottle trap with tail pipe, cap-nut & wall flange as "Cobra" 340 &C-342/1/2/3

Nr 1

10.5 Shower unit complete with shower head and all taps and connections to water tank and connection to foul water drainage

Nr 1

10.6 Hand held Bidet Shower complete with 1.5m polished chrome flexible hose

Nr 1

10.7 150 mm high concrete shower basin on top of floor slab m3 0.2

10.8 Toilet roll holder Nr 1

10.9 Recessed soap tray Nr 1

10.10 Chrome plated shower rail size 25mm diameter x 900mm long complete with hooks.

Nr 1

11 INSPECTION CHAMBERS

11.1 Excavate for, provide all matterials,special shuttering e.t.c and construct 600 x 450mm internal dimentions in situ concrete inspection chambers on sewers diameter 160mm.Include for building in pipes,forming benching to falls,medium duty fibre reinforced frame and cover, depth n.e. 1.m.

Nr 3






BILL NO. 2.6


Plastic Tanks

Roof Storage Water Tanks

11.2 Provide a Water Storage Tank, capacity 1m3 175mm x 75mm by 105 mm on roof slab and complete with cover and having screwed connections for inlet (80mm), outlets (80mm), overflow (80mm) and 80mm drain complete with gate valve, unions and ball valves. As "Kentank" or approved equivalent.

Nr 10

Septic Tanks

11.3 Provide a Plastic Septic Tank, capacity 2m3. Contractor to include for excavation, placement, providing all materials and connections to manholes on site to discharge point.

Nr 1

12 FOOTPATHSProvide and lay:

12.1 100mm thick murram sub-base for footpaths, well compacted m2 35

12.2 60mm thick concrete bed for footpath (Class 15-1:4:8) m2 35

12.3 Precast concrete paving in 600mm x 600mm x 60mm slabs jointed and grouted up in lime and sand (1:3) m2 35

13 FITTINGS AND INSTALLATIONS

13.1 Allow for the Provisional Sum of Shillings Two Hundred Thousand (Kshs. 200,000) for SPECIALISED CHANGING ROOM FITTINGS AND FURNITURE INCLUDING WORKTOPS, DRAWERS, SHELVES, LOCKERS, etc.

Item P.S 200,000

13.2 Allow for the Provisional Sum of Shillings Two Hundred and fifty Thousand (Kshs. 250,000) for PROVISION OF WATER TO SITE AND CONNECTIONS TO ALL BUILDINGS. This includes connection to existing water supply including all fees, pipework etc. This item also includes all pipework and requisite fittings i.e. valves, meters, taps to connect the incoming supply to water storage tank, stand pipes and to the various buildings on site. The item also includes provision of all requisite fittings to connect rainwater and foul water to site drainage system.

Item P.S 250,000

13.3 Allow for the Provisional Sum of One million five hundred thousand (Kshs. 1,500,000) for PROVISION AND INSTALLATION OF SOLAR MODULES, INVERTER AND SOLAR BATTERY. This item includes for connection to the Control room and for provision of electrical fittings and fixtures and wiring/connections to all buildings on site. Installation to be done by specialised contractor.

Item P.S 1,500,000






BILL NO. 2.6


13.4 Allow for the Provisional Sum of Shillings Fifty Thousand (Kshs. 50,000) for PROVIDE ALL MATERIALS AND FIXTURES FOR CONSTRUCTION OF A MASONRY PLATFORM FOR PLACEMENT OF SOLAR PANELS ON ROOF SLAB .

Item P.S 50,000





BILL NO. 2.6


Page Total, Page 1 of 9









Bill Total carried to GRAND SUMMARY (AxN)


Number of Units, 10Nr (N)




AmountKshs.

………………….

………………….

………………….

………………….

………………….

………………….

………………….

………………….

………………….

………………….

………………….


BILL No. 2.7

ITEM DESCRIPTION UNIT QTY RATENo. Kshs

This Bill is Provisional and can be deleted as decided by the employer. This should have no effect on the rates of Works on other Bills of Quantities.

Note: THE QUANTITIES ON THIS BILL ARE FOR 1NR GUARD ROOM, CONTROL ROOM AND STORE.

Typical Arrangement for a Washroom Facility is shown on the standard drawings

1 SUBSTRUCTURES

SITE CLEARANCE & TOP SOIL STRIPPING

1.1 Clear area within the site of all grass, bushes, shrubs, hedges, grub up roots and cart away to tips as directed by the Engineer.

m2 80

1.2 Cut down trees, grub up roots and burn debris. Girth n.e. 1.2m (Provisional).

Nr 1

1.3 Excavate over site for buildings, roads, etc.average 150mm deep to remove vegetable soil and stack part of material for use as and where directed by the Engineer, cart away surplus to tips.

m2 80

EXCAVATIONThe rates shall include for all strutting, shuttering, stabilising the excavation faces, and keeping the excavation free of water by pumping, bailing or other means.

1.4 Excavate below stripped level to formation level in common material, part backfill after construction and remainder, cart away to tips or use as fill on site, all as directed by the Engineer. Maximum depth n.e. 1.0 m

m3 16

Extra Over Excavation in any Position For:- (Provisional)

1.5 Excavating in rock Class "A" m3 3

1.6 Excavating in rock Class "B" m3 3

1.7 Excavating in rock Class "C" m3 3

Approved Selected Filling as Described:-

1.8 Fill and ram selected excavated materials around foundations and buildings.

m3 6

Approved Hardcore Filling as Described:-

1.9 Provide and deposit approved imported hardcore in maximum 150mm thick layers in making up levels including achieving satisfactory compaction.

m3 3



HEADWORKS - GUARD ROOM, CONTROL ROOM AND STORE (10 Nr.)


Page 1 of 12 Bill No.2.7

BILL No. 2.7





1.10 Provide, lay and level out fine crushed stone, sand or gravel blinding 50mm thick to surface of filling, including watering and rolling to achieve satisfactory compaction.

m2 20

Disposal

1.11 Load and cart away excess excavated soil to an approved dumping site

m3 10

Anti-Termite Treatment

1.12 Chemical anti-termite treatment to surface of filling with an approved insecticide

m2 15

Damp-proof Membrane

1.13 500 Gauge polythene damp-proof membrane laid in 2 layers, laid over blinding

m2 15

CONCRETE

Mass Concrete Class 15/20mm maximum aggregate as described in:-

1.14 50mm Thick blinding under foundation concrete m3 5


1.15 200mm Thick floor slab m3 13

1.16 Strip Footing m3 3

Reinforcement ( All Provisional)

1.17 Fabric Reinforcement No. A142 Mesh Size 150 x 150mm Weighing 2.22 kgs Per m2 , with minimum 150mm wide side and end laps, laid in bed.

m2 65

Formwork


1.18 Vertical sides of slab m2 12

Damp-proof course:

One layer bitumen felt damp proof course to B.S. 743, Type A, Hessian base, weighing 3.8 kgs. per m² with 150mm laps, bedded in cement mortar



2 SUPERSTRUCTURE

CONCRETE WORK


2.1 Roof slab and overhang m3 9



BILL No. 2.7





2.2 Beams m3 3

2.3 75mm thick, 500mm wide, 900mm high worktop made from supported on masonry walling support at ends and center in Ladies washroom. Finishing with 200mm x 300mm ceramic tiles on top and front face.

Nr 1

Reinforcement

Hot Rolled High Yield Steel Deformed Bars to B.S.4449, Including Bends, Hooks, Tying wire, Distance Blocks and Ordinary Spacers:-



Formwork


2.6 Vertical sides of horizontal roof beams m2 18

3 WALLING

External Walls


3.1 200mm Thick walling m2 38

Quarry Tiles Cills

150mm Wide quarry tiles cill bedded, jointed and pointed in cement mortar on top of 200mm wall, and set in window opening :-

3.2 600mm Long Nr 4

3.3 1200mm Long Nr 8

3.4 1800mm Long Nr 12

Internal Walls

Selected Stone Block Walling, Reinforced with 20 swg Hoop Iron at every alternate courses, and Bedded, Jointed and Pointed in Cement Mortar (1:4):-

3.5 150mm Thick m2 18



BILL No. 2.7





4 DOORS

Pressed Metal Louvre Doors

Supply and Fix the following Pressed Metal Louvre Doors with 100 x 50mm Stiles and Top Rails, 150 x 50mm Middle and Bottom Rails With Pressed Metal Infill Louvres and 100 x 50mm Pressed Metal Frames, Including Hinges, Pad Bolts and Tower Bolts, All To Manufacturer's Details, with one coat lead oxide primer complete with opening accessories including bedding and pointing around frames in cement mortar:-

4.1 Double door size 1800 x 2400 mm high (D2) Nr 1

4.2 Single door size 900 x 2400 mm high (D2c) Nr 2

5 IRONMONGERY

Steel Casement WindowsSupply and Fix the following Standard Section Steel Casement Windows, including 4mm Thick Translucent Sheet Glass glazed to Steel Casements with putty, complete with opening accessories, including building in lugs to jambs and head and water-proofing and filling around opening with approved compound; and including burglar-proofing fabricated from 12 x 12mm mild steel square bars at 150mm centres vertically and 150mm horizontally and fixed internally to surrounding wall with 12mm mild steel fish-tailed lugs at maximum 600mm centres; all finished with three coats oil paint, :-

5.1 Window size 1797 x 597mm steel casement window in 3 equal panels with 1 No. fixed and 2 No. top-hung panels opening outwards (W5)

Nr 1

5.2 Window size 597 x 1197mm steel casement window with upper part having 1 No. top-hung ventilator, and lower half having 1 No. side-hung panel opening outwards (W4)

Nr 1

5.3 Window size 597 x 597mm steel casement window with top-hung panel opening outwards (W6)

Nr 2

6 EXTERNAL WALL FINISHES

External Rendering in 12mm (minimum) Thick in Two Coats, Undercoat Comprising Cement - Sand (1:4) and Finishing Coat Comprising Cement- Sand (1:4) Finished with a Dry Wood Float:-

6.1 Recessed to vertical walls m2 38



BILL No. 2.7





7 INTERNAL WALL FINISHES

Internal Plaster in 12mm (minimum) Thick in Two Coats, Undercoat Comprising Cement- Lime putty- Sand (1:2:9) and Finishing Coat Comprising Cement- Lime putty- Sand (1:1:6) Finished Smooth with a Steel trowel:-

7.1 Plaster to vertical walls m2 35

7.2 Ditto to reveals of openings m2 5

Screeds and Backing

Bonded cement and sand (1:4) screed bed in one coat, well bonded to concrete base as described:-

7.3 45mm Thick screed laid to falls to receive coloured floor tiles

m2 25

7.4 Ditto but to receive 150mm high skirting m 35

7.5 20mm Thick waterproof Screed to Roof Slab m2 22

Bonded cement and sand (1:4) Backing 12mm (minimum) Thick in one coat, well bonded to concrete or blockwork with approved plasticiser as described:-

7.6 Backing laid vertical to receive coloured ceramic wall tiles.

m2 35

8 FLOOR FINISHES

Ceramic Floor Tiling

Coloured Ceramic Floor Tiles from Saj Co. as supplied by M/s Tile & Carpet Centre, or other equal and approved:-

8.1 300 x 300mm Tiles laid on screed (measured separately) and joints filled in approved filler to match colour of tiles

m2 35

8.2 Ditto but laid as skirting 150mm high m 25

9 PAINTING AND DECORATING

Prepare, prime and apply three coats emulsion paint :

Externally on:-

9.1 Metal door (measured flat overall) m2 10

9.2 Metal window (measured flat overall) m2 6

Prepare, knot, prime, stop and apply two undercoats and one finishing coat hard gloss paint to woodwork:-

Internally on:-




BILL No. 2.7





Externally on:-


Prepare and apply three coats of exterior first quality silk vinyl washable paint to :-

9.5 Rendered concrete surfaces m2 38

Prepare and apply three coats of interior first quality silk vinyl washable paint to :-

9.6 Plastered vertical concrete surfaces m2 35

10 FITTINGS AND INSTALATIONS

10.1 Allow for the Provisional Sum of Shillings One Hundred Thousand (Kshs. 100,000) for SPECIALISED GUARD ROOM FITTINGS AND FURNITURE INCLUDING WORKTOPS, DRAWERS, SHELVES, LOCKERS, etc.

Item P.S

10.2 Allow for the Provisional Sum of Shillings Two Hundred Thousand (Kshs. 200,000) for SPECIALISED ELECTRICAL INSTALLATIONS.

Item P.S



AMOUNTKshs.



AMOUNTKshs.


100,000

200,000


BILL No. 2.7COLLECTION PAGE


BILL NO.2.7








Bill Total carried to GRAND SUMMARY (AxN)


Number of Units, 10Nr (N)


BILL No. 2.7COLLECTION PAGE


AmountKshs.

………………….

………………….

………………….

………………….

………………….

………………….

………………….

………………….



BILL No. 3

SCHEDULE OF DAYWORKS

ITEM DESCRIPTION UNIT QUANTITY RATE AMOUNTNo. Kshs. Kshs.

NOTE: THE WHOLE OF THIS BILL IS PROVISIONAL

Notes:

i) The whole of this Section is Provisional

ii) The rates inserted in this Schedule are to cover all establishment charges, insurances, holidays with pay, use and sharpening of all tools, supply of water, scaffolding, plant, hoisting gear etc., travelling and all other charges, overheads and profit

iii) The rates for materials are to cover delivery to the usual points at which materials are received on the site and for distribution to the individual sites, storage, handling, overheads and profit

iv) The rates for plant shall be rates for working time only and maintenance, fuel, oil and operator's time shall be included in the hourly rates

v) The time of gangers working with their gangs is to be paid for under the appropriate items, but the time of foremen and walking gangers is to be covered by Superintendence of the Contract generally

vi) The Contractor will not be paid for any work as day and hour unless he shall have obtained a written order from the Engineer before the commencement of the said work. All claims made by the Contractor for day and hour work must be supported by certified copies and the written order from the Engineer

vii) The rates will be used in assessing the cost of any extra work ordered by the Engineer for execution on daywork basis. In case any rate is found to be grossly in excess of prevailing market rates the Engineer shall use the market rate for this purpose

viii) The quantities indicated in this schedule are for the purpose of obtaining competitive rates. The work to be done may not be restricted to these quantities. The Contractor shall be required to work on the rates quoted irrespective of the quantities being greater or less than those quoted in this schedule

ix) If any of the following items is not priced, then other priced items will be deemed to cover for the costs for executing the item which is not priced





BILL No. 3




1 LABOUR

The rates inserted herein should include for all costs such as insurance, travelling time, overtime, accommodation, use and maintenance of small tools of trade, supervision, overheads and profit. Only time engaged upon work will be paid for.

1.1 Unskilled Labourer Hrs 75

1.2 Timberman Hrs 25

1.3 Stone Mason Hrs 75

1.4 Carpenter Hrs 75

1.5 Concreter Hrs 100

1.6 Blaster (Certified) Hrs 10

1.7 Pipelayer Hrs 75

1.8 Painter Hrs 30

1.9 Surveyor Hrs 50

1.10 Foreman Hrs 75

1.11 Watchman (including use of firewood, lights, day, night, Sunday and Public Holiday watching) Hrs 75

2 PLANT

The rates inserted herein should include for all operational and maintenance costs, fuel, oil, grease, operators, turnboys, supervision, overhead and profits. Only the time actually employed on works will be paid for and the rates should include for idle, travelling and overtime.

2.1 Compressor complete (3.0 m3/minute) Hrs 25

2.2 Compressor complete (6.0 m3/minute) Hrs 25




BILL No. 3




2.3 Pneumatic Pick Hrs 15

2.4 D4 Tractor Hrs 30

2.5 D8 Tractor Hrs 30

2.6 Concrete Vibrator (Petrol or Diesel) Hrs 30

2.7 Concrete Mixer 14/10 (including batch weighing gear and drag feed shovel) Hrs 75

2.8 -Ditto- but 7/5 Hrs 15

2.9 Dumper 0.38 m3 Hrs 75

2.10 Dumper 0.76 m3 Hrs 20

2.11 5 Tonne Lorry (Tipper) Hrs 75

2.12 7 Tonne Lorry (Tipper) Hrs 25

2.13 Portable water pump 50mm diameter (inclusive of hoses, couplings, etc.) Hrs 20

2.14 Oxy-Acetylene cutting and welding set including oxygen and acetylene Hrs 20

2.15 Electric welding set including electrodes Hrs 20

3 MATERIALS

All materials are to comply with the specifications. The rates inserted herein are to include for delivery to site, storage, handling, overheads and profits.

3.1 Ordinary Portland Cement Tonne 10

3.2 Mild Steel (any size from 6mm to 25mm dia.) Kg 500

3.3 High Tensile Steel (any size from 8mm to 25mm dia.) Kg 500

3.4 Fine Aggregate for Concrete m3 50




BILL No. 3




3.5 Coarse Aggregate for Concrete m3 50

3.6 Use of Shuttering Timber m3 5

3.7 Use of Timbering for Trenches m3 5

3.8 Murram m3 200

3.9 Concrete Block Type 'A' m 50

3.10 Concrete Block Type 'B' m 50

3.11 225mm dia. Concrete Ogee Pipe m 50

3.12 300mm dia. Concrete Ogee Pipe m 50

3.13 Concrete Class 15/20 m3 30



3.16 Heavy Duty Cast Iron Manhole Covers Nr 50



BILL No. 3 COLLECTION PAGE



BILL No. 3


Amount(Kshs.)





………………………Bill Total carried to GRAND SUMMARY

Page 1 of 1 Collection Sheet - Section 3

BILL DESCRIPTION AMOUNTNO. Kshs.

1 PRELIMINARIES AND GENERAL (BILL No .1) ……………………..

2 HEADWORKS AT EXISTING STORMWATER DISCHARGE POINTS (BILL No.2.1-2.5 ) ……………………..

3 WASHROOMS( BILL 2.6)……………………..

4 GUARDROOMS( BILL 2.7)

5 SCHEDULE OF DAYWORKS (BILL No. 3)

Bills Total (A)

Add 3% of (A) for Physical Contingences (B)

Out Put VAT 16% (For A+B) (C)

GRAND TOTAL [(A) + (B)+(C)] TO BE CARRIED TO THE FORM OF BID



BILLS TOTAL

Grand Summary 1

improvement of stormwater outlets and combined … · include for kplc power supply with a meter...

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