u r '

(A. fb. & ) a f l t u u KUWAIT OIL COMPANY (K.S.C.)

Engineering Group

Specifics tion Number 0 15-RH- 100 1

Architectural Building Materials, Finishes and Fittings

1

0

Rev Client

5 AUG 94

7 MAR 93

Date PE Chkd

ISSUED AS KOC ENG GROUP SPEC

ISSUED FOR INVITATION TO BID

Revision Section BY

CONTENTS

QKK- EwJdng Grwp

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SCOPE 5

STANDARD SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Specification Number

01 5-RH-1001

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERVICE CONDITIONS 13

MASONRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 General 13

4.2 Fire Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4.3 Movement Joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.4 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 Workmanship 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.6 Test Specimen 23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.7 Conclusion 23

Rev

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FLOOR SCREEDS 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1 General 23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2 Design of Screeds 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.3 Materials 25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4 Workmanship 25

ROOFING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 General 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 Materials 27

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.3 Workmanship 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4 Testing 29

Date

5-8-94

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RAINWATER SYSTEM 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.1 General 29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 Materials 29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.3 Workmanship 30

Sheet

2 of 69

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DOORS AND IRONMONGERY 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.1 General 30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.2 Locks 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.3 External Doors 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.4 Internal Doors 3 1

8.5 lronmongery and Door Furniture for Internal Doors . . . . . . . . . . . . . 3 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 .6 Workmanship 33

WINDOWS AND GLAZING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.1 General 34

9.2 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 9.3 Workmanship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.0 PLASTERING 37

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1 General 37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 Materials 37

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3 Workmanship 38

E n g l d n g G w

11.0 PAINTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.1 General 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.2 Materials 39

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 Surface Preparation 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.4 Applications 41

. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.5 Completion and Making Good 42 . . . . . . . . . . . . . . . . . . . . . . 1 1.6 Paint System for Particular Surfaces 43

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.0 FLOOR AND WALL FINISHES 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.1 General 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.2 Materials 44

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.3 Workmanship 46

Specification Number

01 5-RH-1001

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.0 DRYWALL PARTITIONS 49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.1 General 49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2 Materials 49

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.3 Workmanship 50

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.0 METAL CLADDING 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.1 General 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.2 Materials 50

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.3 Performance Criteria 52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4 Workmanship 53

Rev

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.0 SUSPENDED CEILINGS 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.1 General 54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.2 Materials 54

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.3 Workmanship 55

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.0 RAISED ACCESS FLOORING 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.1 General 56

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.2 Design of Access Floor 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.3 Materials 56

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16.4 Workmanship 57

Date

5-8-94

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.0 SANITARY INSTALLATION 57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.1 General 57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.2 Materials 57

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.3 Workmanship 60

Sheet

3 of 69

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.0 FIXTURES AND FITTINGS 63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.1 General 63

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.2 Materials and Workmanship 63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.3 Furniture 64

Eng/I)O(WJng Gtwp Spedkafhn

18.4 Internal Stair Handrailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 18.5 Timber Dado Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 18.6 Louvres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 9

19.0 PACKING. MARKING AND DOCUMENTATION . . . . . . . . . . . . . . . . . . . . 69

20.0 SPARE PARTS AND MAINTENANCE REQUIREMENTS . . . . . . . . . . . . . . 6 9

N 1 2-0095

Spedfi~Mi~n Number

01 5-RH-1001 Rev

1

Date

5-8-94

Sheet

4 of 69

1.0 SCOPE

1 .I This specification covers the design, supply of materials and construction of architectural finishes for installation at the Facility in Kuwait.

QKOC- E~lgiWng GRwp

1.2 The architectural building materials, finishes and fittings shall fully comply with all relevant contractual requirements specified in the Scope of Work and Technical Specification of the Contract.

Rev

1

Specification Number

01 5-RH-1001

1.3 All finishes shall be subject to Company approval. 2.0 STANDARD SPECIFICATIONS

2.1 The architectural materials, finishes and fitting shall conform in design, materials and performance, except where otherwise specified, with the current issue and amendments of the following prevailing on the effective date of the Contract:

Date

5-8-94

2.1.1 International Standards

Sheet

5 of 69

ASTM A-36 Structural Steel

ASTM A-446 Test Method for Pipes

ASTM A-525 Zinc Coating

ASTM A-61 1 Steel Sheet

ASTM B-117 Test for Coating System Integrity

ASTM D-714 Test to Evaluate Results

ASTM D-968 Abrasion Resistance Test (Falling Sand Method) ASTM D2247-68 Humidity Resistance Test

ASTM D-4021 GRP Storage TanksISeptic Tanks

AlSl Cold Formed Steel Structure Members

DIN 5221 2 Test for Non-Combustible/Mineral Fibre Material

DIN 50018 Kesternich Pollution Resistance Test

2.1.2 British Standards

BS 12 Portland Cement

Specification Number Rev Date Sheet rins GJWP Wn 01 5-RH-1001 1 5-8-94 6 of 69

BS 187

BS 242

BS 325

BS 381

BS 41 6

BS EN438

BS 459 Part 2 Part 3

BS 476 Part 4 Part 5 Part 6 Part 7 Part 8

BS 544

BS 576 Part 3

BS 729

BS 743

BS 747

BS 812

BS 864

BS 882

BS 890

BS 916

BS 952

Sand Lime Bricks

Linseed Oil Paints

Black Cup and Countersunk Bolts and Nuts

Colours for Identification, Coding and Special

Discharge and Ventilating Pipes and Fittings, Sandcast or Spun in Cast Iron

Decorative High Pressure Laminate Sheets

Wooden doors Flush Doors Fire Check Doors

Fire Tests on Building Materials and Structures Non-Combustibility Test for Materials Surface Spread of Flame of Products Surface Spread of Flame of Products Surface Spread of Flame of Products Test Methods and Criteria for the Fire Resistance of Elements of Building Construction

Linseed Oil Putty for Use in Wooden Frames

External Fire Exposure Roof Test

Hot-Dip Galvanised Coating on liron and Steel

Materials for Damp-proof Courses

Roofing Felts

Sampling and Testing of Mineral Aggregates, Sands and Fillers

Capillary and Compression Tube Fittings of Copper and Copper Alloy

Aggregates From Natural Sources for Concrete

Building Limes

Black Bolts, Screws and Nuts

Glass for Glazing

BS 1010 Draw-off Taps and Stop Valves for Water Services

BS 1125 WC Flushing Cisterns

BS 1184 Copper and Copper Alloy Traps

BS 1186 Timber for and Workmanship in Joinery

BS 1191 Gypsum Building Plaster

BS 1 199 & 1200 Building Sands From Natural Sources

Nails

Synthetic Resin Adhesives for Wood

Fireclay Sinks

Wood Screws

Compact Type Float Operator Valves for WC Flushing Cistern

Hinges

Metal Ties for Cavity Walls

Metal Sinks for Domestic Purposes

Metal Door Frames (Steel) Plastic WC Seats

Glazed Ceramic Tiles and Tile Fittings

Application of Wood Preservatives

Knotting

Steel Lathing for Internal Plastering and External Rendering

Steel Plate, Sheet and Strip

Wrought Aluminium and Aluminium Alloys for General Engineering Purposes

Zinc-Coated Hexagonal Steel Wire Netting

Fixing for Sheet, Roof and Wall Coverings

Waterproof Building Paper

Connectors

Fences

Float Operated Valves

Copper and Copper Alloy Tubes

Continuously Hot-Dip Zinc Coated Steel ahd Iron - Zinc Alloy Coated Steel Flat Products

Tests for Water for Making Concrete

Semi-Flexible PVC Floor Tiles

Unbacked Flexible PVC flooring

Quality of Vitreous China Sanitary Appliances

Building and Construction Sealants

Expanded Polystyrene Boards

Methods of Test for Paints

Clay Bricks

Plastic Waste Pipes

Thermal Insulating Materials

Anodic Oxidation Coatings on Wrought Aluminum External Architectural Applications

Sulphate Resisting Portland cement

Corrugated Plastic Translucent Sheets made from Thermosetting Polyester Resin (Glass Fibre Reinforced) Self-Tapping Screws and Metallic Drive Screws

Carbon Steel Bars for the Reinforcement of Concrete

Eng/&ng Grwp Specification Number

01 5-RH-1001

Rev

1

Date

5-8-94

Sheet

8o f 69

Hard Drawn Mild Steel Wire for Reinforcement of Concrete

Steel Fabric for the Reinforcement of the Concrete

UPVC Soil and Ventilating Pipes, Fittings and Accessories

Methods of Testing Mortars, Screeds and Plasters

Unplasticised Polyvinyl Chloride (UPVC) Rainwater Goods and Accessories

UPVC Pipes and Plastics Fittings for Below- Ground Gravity Drainage and Sewerage

Ready Mixed Aluminium Priming Paints for Wood

External and Internal Wood Doorsets, Door Leaves and Frames

Specification for Paint Colours for Building Purposes

Rigid Urethane Foam for Building Applications

Mortar Admixtures

Propylene Copolymer Pressure Pipes

Concrete Admixtures

Internal Non-Loadbearing Partitioning

Polypropylene Waste Pipe and Fittings

Thermoplastic Waste Pipe and Fittings

Structural Use of Timber

Bonding Agents for Use with Gypsum Plasters and Cement

Installation of Textile Floor Coverings

Method of Testing Windows

BS 5385

BS 5427

BS 5429

BS 5503

BS 5506

BS 5572

BS 5606

BS 5627

BS 5628

BS 5669

BS 5713

BS 5725

BS 5872

BS 5889

BS 5921

BS 5977 Part 2

BS 6073 Part 1

BS 61 50

BS 6222

BS 6262

Eh7JM-w Grwp

Wall and Floor Tiling

CP for Performance and Loading Criteria for Profiled Sheeting

Specification Number

01 5-RH-1001

Internal Plastering

Vitreous China Washdown WC Pans with Horizontal Outlet

Rev

1

Wash Basins

Sanitary Pipework

Date

5-8-94

Guide to Accuracy in Buildings

Sheet

100f 69

Plastic Connectors for use with Horizontal Outlet Vitreous China WC Pans

Use of Masonry

Particle Board

Specification for Hermetically Sealed Flat Double Glazing Units

Panic Bolts and Panic Latches

Locks and Latches for Doors in Buildings

One - Part Gun Grade Silicone - Based Sealants

Methods for Determination of Size, Squareness and Straightness of Edge of Textile Floor Covering Tiles

Specification for Prefabricated Lintels

Specification for Precast Concrete Masonry Units

Painting of Buildings

Domestic Kitchens Equipment

Glazing of Buildings

Fire Protection for Electronic Data Processing Installations

Shower Units

Drainage of Roofs and Paved Areas

Weather Test

Bitumen Damp Proof Courses for Masonry

Ceramic Floor and Wall Tiles

Beads for Internal Plastering and Dry Lining

Door Closers

Sanitary Installations

Steel Windows, Sills, Window Boards and Doors

Polyethylene Damp-Proof Courses for Masonry

Mastic Asphalt for Building

Thermal Insulation of Cavity Walls Using Man- made Mineral Fibre Batts (Slabs) Black Polyethylene Pipe for Aboveground Use for Portable Water

Mastic Asphalt for Building and Civil Engineering

Metal Hinges for Side Hanging Application

7.5 Litre WC Flushing Cistern

Galvanised Steel Studs and Channels for Stud and Sheet Partitions and Hinge Using Screw Fixed Gypsum Wallboards

Workmanship on Building Sites

Structural Use of Concrete

Installation of Sheet and Tile Flooring

In-situ Flooring

Sheet

11 of69

Specification Number

01 5-RH-1001

- -

N 1 2-0095

Rev

1

Date

5-8-94

Part 1

BS 8204 Part 2

BS 8212

BS 8213

BS 8301

BS CP102

BS CP143

BS CP144

BS CP151

BS CP152

BS CP153

BS CP204

BS CP290

PSA MOB 08-801

BRE

Concrete Wearing Surfaces

Dry Lining and Partitioning Using Gypsum Plasterboard

Windows, Doors and Roof Lights

Building Drainage

Protection of Building Against Water from the Ground

Sheet Roof and Wall Coverings

Roof Coverings

Doors and Windows Including Frames and Linings

Fixing of Glass

Windows and Roof Lights

In-situ Floor Finishes

Suspended Ceilings and Linings of Dry Construction Using Metal Fixed Systems

Performance Specification for Platform Floors

Information Paper 1 1184

2.1.3 Engineering Group Specifications

01 5-AH-1 001 Basic Design Criteria

01 5-AH-1 002 International Codes and Standards

01 5-KH-1902 Spare Parts and Maintenance Requirements

01 5-MH-1001 Basic Civil Engineering Design Data

01 5-MH-1002 Structural Steel Design, Materials and Fabrication

01 5-QH- 1001 Reinforced Concrete, Materials and Construction

01 5-SH-1004 Drainage, Design, Materials and Construction

01 5-XH-1005 Shop and Field Painting

01 5-UH-1001 Packing, Marking and Documentation

2.2 Compliance with this specification shall not relieve the Contractor of its responsibility to supply architectural materials and finishes suited to meet the service conditions and applicable regulations.

2.3 Where conflicts exist between this specification and other Drawings, standards, codes and specifications, the most stringent shall be applied.

3.0 SERVICE CONDITIONS

3.1 The materials, finishes and fittings shall be suitable for a desert location under high ambient temperatures and humidity. The atmosphere at the Facility is generally dusty and corrosive and may contain traces of hydrogen sulphide.

3.2 Building materials, finishes and fittings shall in all respects be suitable for the service conditions stated in the Engineering Group Specification entitled "Basic Design Criteria" (Number 01 5-AH-1 001 ).

4.0 MASONRY

4.1 General

4.1.1 This section describes the materials and workmanship related to the masonry.

4.1.2 External Walls

a. External walls shall be cavity walls. The construction of external cavity walls shall be with sandlime brickwork outer leaf and reinforced concrete block inner leaf bonded together with wall ties.

b. External walls shall be provided with a cavity between outer leaf of brickwork and inner leaf of concrete blockwork. Cavity size shall be determined by the Contractor.

c. 25-mm-minimum air gap shall be provided in cavity between facing bricks and insulation, with air bricks to allow through ventilation.

Enginewing Grwp

3

Date

5-8-94

Sheet

130f 69

Specification Number

01 5-RH-1001

Rev

1

Specification Number Rev Date Sheet

I-n 0 1 5-RH- 1 00 1 1 5-8-94 140f 69

d. Weep holes shall be provided in "perpends" at 1200-mm centres (maximum) above damp-proof courses.

e. Open joints shall be provided in perpends of every fourth joint above ground level.

f. To obtain thermal value 0.1 Btu in the external walls. Sq/FtI0 FIHr

g. The overall external wall construction shall be designed to give minimum 'U' value of 0.6WIm210C

Cavity Insulation

Cavity insulation shall comply with BS 3837, BS 4841 or BS 6676. Cavity thermal insulation slabs shall be built in as work proceeds in accordance with the Company-Approved Manufacturer's instructions. Mortar "snots" shall be removed from exposed leaf and droppings cleaned from the top edge of the thermal insulation. Insulation shall not be pushed into cavities.

Internal Walls and Partitions

a. Concrete Masonry Partitions

The construction of internal masonry concrete walls shall be in 150-mm-thick blocks minimum. All internal walls shall extend to underside of roof andlor structural beams unless otherwise stated.

b. Lateral Restraint

Unless otherwise specified, internal walls and partitions shall be laterally restrained. The length or height of the wall in relation to its thickness shall be within the limits given in BS 5628, Part 3.

4.2 Fire Resistance

4.2.1 The fire rating of concrete masonry walls shall meet the requirements specified on Drawings, scopes of work and British Building Regulations.

4.2.2 General areas requiring fire-resisting walls are:

a. Control rooms.

b. Laboratory.

I Specification Number

c. Compartment walls.

Rev

1

d . Staircase enclosures.

e. Plant rooms.

Date

5-8-94

f. Electrical rooms.

Sheet

150f 69

g. Test rooms.

h. Escape routes.

i. Other rooms where specified in scope of work or Drawings.

4.3 Movement Joint

Movement joints and edge clearance shall be filled with a non-combustible material (mineral fibre) which will allow the movement joint to function.

4.4 Material3

4.4.1 Sand Cement Blocks

a. Precast concrete masonry blocks shall be solid or hollow and shall comply with all the requirements of BS 6073. Part 1 and obtained from National lndustries Company in the following sizes:

b. The nominal size will be:

4.4.2 Block Strength

Length Height

Thickness

a. Minimum average compressive strength: Dense concrete blocks: 10.0 N/mm2.

400 mm

200 mm

150 mm and 200 mm

b. The design of reinforced blockwork shall be in accordance with BS 5628, Part 2

4.4.3 Sandlime Bricks

a. The bricks shall be class A sandlime bricks obtained from the National lndustries Company and shall comply with BS 187.

b. The colour of the bricks shall be beige or similar.

QKOCspMlrclm Engldng Grwp

' n

c. The bricks shall be good, hard, sound and square with well- defined edges, even and uniform in colour and free from any cracks or other defects.

4.4.4 Materials For Mortar

Specification Number

01 5-RH-1001

Cement

1. Portland cement in compliance with BS 12 or similar approved.

Rev

1

2. Sulphate resisting Portland cement in compliance with BS 4027 or similar approved.

Lime

Date

5-8-94

Lime used shall be in accordance with BS 890 class B, or Kuwait quicklime obtained from the National Industries Company.

Sheet

16 of 69

Water

The water shall be as produced by the state distillation plant and shall comply with BS 3148. Seawater or brackish water shall not be used for mixing or curing.

Sand

Sand shall comply with the requirements of BS 1200 and be well graded in accordance with Table 1, Type G.

Admixtures

The admixtures used shall comply with BS 4887.

Samples of Bricks/Blocks

Samples of all types of bricks/blocks to be used in the Works shall be submitted to the Company for approval before work is commenced.

4.4.5 Reinforcement

a. Reinforcing steel, including bed joint reinforcement, shall comply with the following relevant standards:

Et@mdng Gnwp

4.4.6 Concrete lnfill

Hot-rolled steel bars for the reinforcement of concrete

Hand-drawn mild steel wire for the reinforcement of concrete

Steel fabric for the reinforcement of concrete

a. Concrete infill for reinforced blockwork shall comply with BS 5628, Part 2, Section 2. The aggregate size shall not exceed 10 mm.

Specification Number

01 5-RH-1001

BS 4449

BS 4482

BS 4483

b. Concrete may be batch mixed onsite.

4.4.7 Cement Mortar

Rev

1

Cement and sand mortar shall comply with the requirements of BS 5628.

Mortar for pointing shall be a 1 :3 ceme,nt sand mix.

Building mortar shall be 1 :4 cement sand mix.

The inclusion of mortar plasticisers shall be in accordance with the recommendation of the Company-Approved Manufacturer for the class of mortar being mixed.

Sulphate-resisting cement shall comply with BS 4027 and be used throughout.

4.4.8 Damp-Proof Courses

Date

5-8-94

Damp-proof course materials shall be a single layer of five-ply tropical quality bitumenized fibre-felt damp-proof course weighing not less than 3.25 kg/m2 complying with BS 743, latest edition, type 58.

Sheet

17 of 69

4.4.9 Ties

a. Bonding ties shall be galvanised expanded metal strips or galvanised woven mesh (300 mm wide minimum). Corner angle beads shall be galvanised expanded metal.

b. Wall ties shall comply with BS 1243 and shall be hot-dip galvanised steel or stainless steel.

4.4.10 Lintels and Sills

Engldng Group

a. External Walls

The lintels shall be reinforced concrete "bootn lintel and shall comply with BS 81 10.

Specification Number

0 1 5-RH-100 1

b. Internal Walls

The lintels shall be reinforced concrete "box" lintel and shall comply with BS 81 10.

Rev

1

c. Sills

The sills shall be reinforced concrete and shall comply with BS 81 10.

Date

5-8-94

4.4.1 1 Joints

Sheet

18 of 69

a. Compressible pre-formed expansion joint filler shall be cork-or bitumen-impregnated fibre boarding of 20-mm thickness, within a tolerance of * 1.5mm, and of such width that it complies with the specified joint details.

b. Joint sealer shall be a silicone-based sealant complying with BS 5889 Type A and applied in accordance with the Company-Approved Manufacturer's recommendations. A sample shall be submitted to the Company for approval before incorporation in the work.

c. The horizontal and vertical joint between compartment walls shall be filled with intufoam as manufactured by the Company-Approved Manufacturer and shall comply with BS 476.

4.5.1 General

All masonry work shall be in accordance with BS 5628.

4.5.2 Mortar

a. Mortar generally shall be machine mixed, mixed dry and then with added water until the correct consistency and uniform distribution of materials is obtained. Before mixing a fresh series of batches, the mixer drum shall be thoroughly cleaned.

b. Hand mixing shall be done on a clean watertight platform, first dry and then with added water until the correct consistency and uniform distribution of materials is obtained.

@ KoC EngI-f)eawfns G w SpaMmion

c. Mortars shall be used within 35 minutes of the addition of water. Any mortar not then used shall be discarded. Mortar shall not be re-mixed after the initial set has taken place.

Setting-Out

Specification Number

01 5-RH-1001

All brickwork/blockwork shall be set out and built to the respective dimensions, thicknesses and heights shown on the Drawings.

Wetting

Rev

1

Wetting before laying shall only be done where, and as, necessary to adjust suction on the faces in contact with the mortar, taking into consideration the ambient conditions.

In reinforced concrete frame structures, the frame for each floor shall be built, cured and approved by the Company before brickwork or blockwork laying commences.

Date

5-8-94

Brickwork/blockwork shall be carried out in a uniform manner, no one portion being raised more than 900 mm above another at one time. All perpends, quoins etc, shall be kept strictly true and square and the whole properly bonded together. The maximum height which is to be built in one day is 1.5 m.

Sheet

190f 69

Exposed perpends at corners, openings, windows and door jambs shall be plain faced. Cut or recessed bricks/blocks shall not be allowed.

Reinforcement

a. Internal Walls

1. For internal walls, galvanised expanded metal lathing, the width of the blockwork, shall be fully bedded into every third horizontal blockwork course unless design reinforcement is provided.

2. Vertical reinforcement shall not be less than 8-mm diameter and be provided at spacing of not greater than 1.0 m from centre to centre.

b. External Walls

For external walls, bed joint reinforcement (steel bars to BS 4449) shall be provided in every blockwork course. Vertical reinforcement shall not be less than 12-mm diameter and be provided in every blockwork core.

4.5.9 Cavity walls shall have a cavity as detailed on the Drawings. Each leaf shall be united by staggered wall ties at the rate of not less than two per 0.8 m2 and uniformly spaced at approximately 900- mm horizontal and 450-mm vertical centres. Additional ties shall be provided within 150 mm of the edge of opening and joints, one for each 200 mm of height. The bottom run of wall ties shall be at 600-mm horizontal centres to retain the insulation batts. Ties shall be placed as the work proceeds and set level or with a slight slope towards the outside leaf.

4.5.10 All mortar joints between blockslbricks shall be as specified and shall be solidly filled to a general thickness of 10 mm and at no point more than 15 mm. All cross joints shall be filled by well buttering the end of the bricklblock and then pushing it into position against its neighbour.

4.5.1 1 Block walls and half-brick thick brick walls shall be built in stretcher bond. Brick walls one brick thick or over shall have one stretcher course to one header course. Intersections of block walls shall be properly bonded in alternative courses.

4.5.1 2 Generally blockwork where exposed shall be pointed, as specified, as the work proceeds. Joints and beds must be filled with mortar except those facings which are to receive external or internal plastering, which shall be raked out not exceeding 5 mm deep using a key with shoulder to prevent deeper raking.

4.5.13 A solid or profiled course of blockwork shall be provided at sill level of openings and under bearings of all in situ or precast concrete.

4.5.14 All exposed horizontal mortar joints shall be raked out or pressed back to give a uniform appearance. Recessed joints shall be pointed or "flushed up" to give a "flush" mortar joint.

4.5.1 5 Joint Between Partitions and Soffits

All internal walls and partitions shall initially be built up to leave 20- mm joint between the top of the wall or partition and the soffit of the slab or structural beam. The joint shall be filled with Company- approved fire-resistant sealant material.

4.5.16 Connections Between Walls or Partitions and Concrete or Steel Columns

' EngiI)O(Wjng Group

a. Internal Walls

Specification Number

01 5-RH-10- I R: I -Da" 1 - - - -- sheet I

All internal walls shall be provided with connection between walls and concrete columns, at maximum 450-mm centres by means of zinc-coated or galvanised metal ties mechanically fixed to the column and fully bedded into the mortar joints of the walls.

b. External Walls

Connections between external cavity wall and concrete columns shall be provided at maximum 450-mm centres by means of zinc-coated or galvanised metal ties to channel slots built into the column and fully embedded in the mortar joints of the walls.

4.5.1 7 Filling Hollow Blocks

a. All the excess mortar and debris shall be removed from the core before filling with concrete.

b. Walls are to be filled solid and shall be built up in lifts not exceeding 1200 mm and concreted after allowing minimum period of 24 hours to elapse to enable the mortar to harden. The initial compaction of the concrete shall be carried out by hand using a 25x50-mm wooden rod or by vibration. The final compaction shall take place 10-1 5 minutes after initial compaction by vibration.

4.5.1 8 Penetrations

Penetrations through both external and internal walls for services shall be properly sealed against fire, gas, insects and rodents.

4.5.19 Lintels

a. An open joint not less than 12 mm shall be provided between the ends of precast or cast in situ concrete lintels and the bricks/blocks adjacent to these ends. The joints shall be filled with sealant after plastering.

b. Lintels shall have minimum end bearing of 200 mm.

4.5.20 Unplastered Walls

a. Walls to be left unplastered shall have a fair face consisting of selected blocks pointed with a neat flush joint as the work proceeds using the same mortar mix as for the jointing.

b. The faces of walls shall be kept clean and free from mortar droppings and splashes during progress of the work.

4.5.21 Damp-Proof Courses

On walls the damp-proof course shall be lapped at least 150 mm at joints and angles and bedded in hot bitumen, pointed both sides and covered with bed of mortar.

The Contractor shall provide and build in a vertical damp-proof course at jambs of openings in cavity walls and a horizontal damp-proof course above such openings.

For concrete floors on grade, the damp-proof membrane below shall be continuous throughout the whole floor area and shall be sealed to the damp course in every adjoining wall or other part of the structure.

All parapet walls shall be provided with a horizontal damp- proof course before fixing proprietary aluminium or other type of coping.

Damp-proof courses shall be provided even if not indicated on Drawings.

Where damp-proof courses are to be laid on or against concrete face, the concrete shall be coated with a Company- approved hot bituminous material.

4.5.22 Bedding of Frames

a. All windows and door frames shall have structural ties embedded or drilled into the blockwork or concrete structure.

b. All frames shall be bedded in the same mortar as used for the wall.

c. All frames shall be pointed on the exposed face with a gun grade mastic to BS 371 2.

Rev Date 1 Sheet 1

4.5.23 Tolerances

All brickwork buildings shall be constructed in accordance with the tolerances given in BS 5606, with modifications as given below:

Length

Upto and including 5m b

Including 5 m and over Over 10 m Height

4.6 Test S~ecimen

* 10 mm k 15 mm

k 20 mm

Up to and including 3 m Over 3 m including 6 m Over 6 m Level of Bed Joints

*

Testing of blocks for the strength shall be the responsibility of the Contractor.

* 5 mm

* 15 mm

* 20 mm k 3 mm

4.7 Conclusion

At the conclusion of the work, walls shall be cleaned and all scaffolding and debris removed. Masonry units shall be cleaned only with Company- approved cleaning solutions recommended by the bricklblock Approved Manufacturer.

5.0 FLOOR SCREEDS

5.1 General

This section describes the materials, and workmanship related to the screeds.

5.2 Desian of Screed~

5.2.1 Screeds shall be fit for the purpose shown on the Contract Drawings:

a. CementISand screed for general use and substrates to finishes.

b. Fine concrete screed for hard-wearing areas.

5.2.2 Surface Hardener

E n g l d n g Group SpetMmWn

a. All surface hardeners and dustproofing agents shall comply with BS 8204, Part 2.

b. Generally, all surface hardener and dustproofing agents shall be steel trowelled to freshly placed concrete or screeds to ensure that hard-wearing surfaces bond monolithically on the base of the concrete or screeds. Rate and methods shall be in accordance with the Company-Approved Manufacturer.

Specification Number

01 5-RH-1001

c. Heavy duty: A hard and anti-dust surface shall be obtained with the use of a proprietary dry shake floor hardener applied in accordance with the Company-Approved Manufacturer's instructions together with self-levelling abrasions and chemical resistant epoxy grey floor paint and antislip grains where required.

d. Medium duty: A medium and anti-dust surface shall be obtained with the use of a proprietary floor hardener applied in accordance with the Company-Approved Manufacturer's instructions together with self-levelling abrasions, chemical resistant and antislip grains. Enclosed areas shall be included with epoxy grey floor paint.

Rev

I

e. Spark-resistantlstatic-disseminating surface shall be obtained with the use of a proprietary hardening compound in colour approved by the Company and shall be applied in accordance with the Company-Approved Manufacturer's instructions.

5.2.3 Self-Levelling Screeds

Date

5-8-94

Self-levelling screed shall be as manufactured by the Company-Approved Manufacturer and shall be mixed in strict accordance with the Manufacturer's instructions.

Sheet

24 of 69

Screeds 50 mm and under shall be fully bonded to a scabbled substrate. Screeds in excess of 50 mm thickness shall be reinforced and laid on a separate membrane.

Screeds which are to be a finished surface or receive vinyl tile or sheet flooring or epoxy coating shall have a steel float finish.

Screeds to receive ceramic tiles or designated non-slip surface may be wood float or tamped finish.

Q KOC Specification Number Rev Date Sheet E~i rmr ing Gmup Sp8Mcdon 01 5-RH-1001 1 5-8-94 25 of 69

I.

5.3 Materials

Water-reducing admixture to BS 5075, Part 1 may be used in accordance with the Company-Approved Manufacturer's instructions.

Screeds shall be mixed as follows:

Cementlsandlaggregate shall be mixed in the ratio 1 : 1 % :3. 30 Cementlaggregate shall be mixed in the ratio of 1 to 3. Water-cement ratio shall be as low as possible compatible with workability.

Screed strength shall be 30 Nlmm2. Screed shall be tested with a screed tester on each 100m2 to guidelines laid down by BRE Information Paper 11/84, and results shall satisfy Category B.

Screeds shall be tested for flatness with a slip gauge (to BS 8204, Part 1, Figure 3). Variation in gap under the straightedge placed anywhere on the surface shall not exceed 3 mm under a 3-m straightedge.

5.3.1 Cement shall be sulphate-resisting Portland cement in compliance with BS 4027.

5.3.2 Aggregate shall be to BS 882 Table 5, grading limit MI but not more than 10% passing sieve size 150 microns.

5.3.3 Coarse aggregate shall be to BS 882: 10 mm, single-sized for screeds in excess of 50 mm in thickness.

5.3.4 Reinforcement shall be light steel mesh 50 mm x 50 mm to BS 4483 Designation 0.49 (2.5-mm diameter) Mesh wire netting to BS 1485 Designation 19.

5.3.5 Separating membrane to be woven glass-fibre reinforced permeable felt.

5.4.1 Screeds shall be prevented from drying out or prematurely setting in hot weather by suitable methods of curing.

5.4.2 Mixes must be mixed in a mechanical mixer.

Substrates shall be thoroughly prepared prior to screeding. Before the toppings are applied, the weak surface laitance of the slab and any other contaminating material shall be removed completely and the coarse aggregate exposed. All dust shall be vacuumed up and debris shall be removed and the surface thoroughly wetted. Immediately before the topping is placed, surplus water shall be removed and a slurry of neat cement brushed into the surfaces. A Company-approved bonding agent may be used in lieu of a neat Company-approved cement grout.

EngI&ng G m p

Screeds shall normally be laid in one continuous operation except under quarry or glazed tile finish, when screeds may be laid in bays with butt vertical joints. Maximum bay size for screeds under tiling shall not exceed 15 m2 and bay size ratio should be as close to 1 :I .5 as possible. At least 24 hours should elapse between laying adjacent bays, with the joint edges wetted and brushed with cement grout. All screeds must be thoroughly compacted.

The topping shall be placed before the slurry dries out. Particular attention shall be paid to ensuring full compaction, especially at the edges and corners. To achieve dense topping, the use of double vibrating beam is recommended.

Specification Number

01 5-RH-1001

Initial finishing shall be carried out by hand or power floating to bring the topping to within specified level tolerance with a closed smooth surface. Final finishing shall be carried out by successive trowelling either by hand or machine.

Screeds shall be subject to a curing process.

Rev

1

Screeds shall be cured for at least 7 days after laying. A resin curinglsealing agent may be used, except where adhesives are to be used for fixing subsequent floor finishes.

Toppings shall be kept moist before curing is complete.

Date

5-8-94

5.4.10 The screeds shall be adequately protected from damage by methods approved by the Company from the time of laying until the point of building handover.

6.0 ROOFING

6.1 General

This section describes the materials and workmanship related to the flat roof coverings on concrete slabs.

6.1.1 Thermal Properties

Sheet

26 of 69

a. To obtain thermal value 0.07 Btu in the roof. Sq/FtI0 F/Hr

Q KOC E n g i d n g Grwp @eM&&n b. The overall roof construction shall be designed to give

minimum 'U' value of 0.4 WIm210C .

6.2 Materials

Specification Number

01 5-RH-1001

The roofing system shall incorporate a waterproof membrane, a lightweight cellular concrete screed, rigid thermal insulation and vapour barrier.

6.2.1 Lightweight Screed

Rev

1

a. The lightweight cellular concrete roof screed shall comprise Portland cement, foaming emulsion and water combined in a purpose made mixer to produce a proprietary lightweight screed.

b. Density shall be 500 kg/m3 (minimum).

Date

5-8-94

6.2.2 Sheathing Felt

Sheet

27 of 69

a. Sheathing felt underlay for asphalt shall be in accordance with BS 747:

1. Class 1 Type IC self-finished bitumen felts nominal weight not less than 1.4 kg/m2.

2. Class 2 type 28 self-finished bitumen asbestos felts nominal weight not less than 1.4 kg/m2.

6.2.3 Waterproofing Membrane

The roof waterproofing membrane shall be a 4-mm thick, heavy laminate bituminous felt of a type suitable for hot climates, reinforced with 170 gm/m2 of non-woven polyester inlay and modified bituminous compound presenting high thermal stability, plasticity and flexibility characteristics. Waterproofing membrance shall be as manufactured by Aquaseal or similar approved by the Company.

6.2.4 The membrane shall have a 50-mm-minimum rigid thermal insulation (extruded polystyrene) as recommended by the Company-Approved Manufacturer. Insulation shall be laid on waterproofing membrane in accordance with the specification of the Approved Manufacturer.

6.2.5 Paving

500x500~50-mm thick precast concrete paving slabs shall be laid on extruded polystyrene with cement mortar bed, as to the Company-Approved Manufacturer's instructions.

6.2.6 Angle fillet to be fixed at the perimeter of the parapet wall and waterproof membrane extended to minimum of 200 mm, dressed with code 4 lead flashing.

6.2.7 Coping to Parapet

Proprietary aluminium coping with fixtures and fittings shall comply with BS 1470 and shall be fixed to parapet in accordance with the Company-Approved Manufacturer's instructions.

6.3 work mans hi^

6.3.1 Screeds

a. Roof screed shall be laid to the Company-Approved Manufacturer's instructions and in accordance with CP 144, Parts 3 and 4, to a minimum fall of 1 in 80.

b. Screeds shall be laid with a minimum thickness of 30 mm.

c. Screeds shall not be laid when they are likely to be affected by rain, and after laying shall be protected from rain.

d. Construction traffic shall not be allowed on the screed and precautions should be taken to prevent damage by barrows, gas cylinders, tar boilers and other similar point loadings.

6.3.2 Sheathing Felt

Sheathing felt shall be laid loose with 150-mm overlap.

6.3.3 Waterproof Membrane

The membrane shall be handled and applied strictly in accordance with the Company-Approved Manufacturer's written instructions. Surfaces to be covered shall be clean, flat, dry and free from any matter likely to adversely affect the performance of the waterproofing. The Approved Manufacturer's primer shall be applied prior to laying the membrane.

6.3.4 Paving

a. 500x500~50-mm thick precast concrete paving slabs shall be laid loose over the roof insulation (extruded polystyrene) in

Engimng G m p -n

Specification Number

01 5-RH-1001

Rev

1

Date

5-8-94

Sheet

28 of 69

Specification Number Rev Date Sheet Ew-ng G ~ P -n 0 1 5-RH-1001 1 5-8-94 29 of 69

accordance with the Approved Manufacturer's written instructions.

The waterproofing membrane shall extend minimum 200 mm up and down vertical surfaces. A membrane which will be left exposed beyond insulation or precast slabs or horizontal protection level shall be in brown colour.

The installation of the waterproof membrane shall not be started until all projections through the membrane have been installed.

All pipes and conduits shall be made watertight when passing through the roof surface by the use of prefabricated boots. All flashings shall be lapped into the membrane using reinforcing strips.

6.4 Testing

All horizontal areas shall be waterflood tested prior to the installation of the rigid extruded polystyrene. No area shall be water tested before 48 hours after application of waterproofing membrane.

Water testing shall include flooding of the entire area either by section or entirely for a minimum period of 24 hours.

Any areas where leaks occur shall be drained, thoroughly dried, repaired, and then retested.

Installation of the insulation mortar beds, and finish slabs which are applied over the waterproofing shall not start until such time as the membrane is leak-free and has been approved by the Company.

7.0 RAINWATER SYSTEM

7.1 General

This section describes the material and installation of a rainwater system.

7.2 Materials

7.2.1 Rainwater pipes shall be in unplasticised polyvinyl chloride (UPVC) as manufactured by the Company-Approved Manufacturer.

7.2.2 UPVC rainwater pipes and fittings shall comply with BS 4576, Part 1. All pipes shall be fitted with an access. Pipe fixings shall comply with BS 4576, Part 1, Appendix J.

Specification Number Rev Date Sheet E n g l d n g Gtwp 01 5-RH-1001 1 5-8-94 30 of 69

7.2.3 Rainwater pipes to be 100-mm diameter having solvent welded sockets generally one seal ring adaptor. UPVC screw to wall holderbats (2- m centres) wall plug and zinc plate 32 mm x No 10 screws, offsets to be formed using 2 no bends.

7.2.4 Gutter outlets to be 100-mm diameter x 41 0 UPVC flat-roof outlet bedded in mastic and screwed down into concrete recess.

7.2.5 Gutters and rainwater pipes to match metal cladding shall be fabricated from sheet metal compatible with cladding and coated as for cladding sheets. Gutters and rainwater pipes shall be submitted to the Company for approval.

7.3.1 Installation of pipeslfittings shall have complete discharge of rainwater from the building in compliance with design and performance requirements and without leaking.

7.3.2 Cut ends to be clean and square with burrs removed.

7.3.3 Allow for thermal and building movement when fixing and jointing. 7.3.4 Make sure that all outlets are securely fixed before connecting any

pipework.

7.3.5 Provide additional supports as necessary to support pipe collars.

7.3.6 Rainwater pipes shall be tested with air pressure in sections.

8.0 DOORS AND IRONMONGERY

General

This section describes the materials and installation of the externallinternal doors, including associated ironmongery. Type and size shall be approved by the Company.

Locks

All locks shall be part of a master key system. All mortice-type locks and latches shall comply with BS 5872.

External Doorg

8.3.1 All external doors shall be manufactured from double-skin 2-mm steel sheets, insulated with a core of non-combustible materials, as those designed and manufactured by the Company-Approved Manufacturer.

The doors shall be supplied complete, including fixings to be built in as per the Approved Manufacturer's instructions. They shall be 2-hour fire rated, resist a force of 6.0 kN/m2. Doors shall be weathertight.

EngIWng Group

Roller Shutter Doors

Steel roller shutter doors with necessary controls, fixtures and fittings shall be approved by the Company.

Specification Number

01 5-RH-1001

lronmongery and Door Furniture for External Doors

Doors shall be supplied with hinges, closer, latch, lever handles, with top and bottom shoot bolts on the inactive leaf, lock door stop, vision panels, panic bar and necessary signs. (All signs to be approved by the Company.)

Rev

1

Hinges

All external steel door leaves shall be fitted with three stainless steel ball-bearing butt hinges. All hinges shall be capable of withstanding heavy use and all local environmental conditions. All hinges shall comply with BS 7352 and BS 1227.

Date

5-8-94

Door Closers

Sheet

31 of 69

Door closers shall be of heavy-duty quality capable of withstanding heavy use and local environmental conditions. Door closers to incorporate an adjustable restraining system. Door closers shall comply with BS 6459.

Lever handles shall be of the D shape to prevent fouling of clothing.

Latches shall be spring-mortice type keyed or unkeyed operable by either panic bar arrangement or lever handles.

Door stops shall be resilient, positioned so as not to cause a

easily removable and shall be hazard to escaping personnel.

Flush or monkey tail bolts shall bottom and top.

be fitted to the inactive leaf, at

Cylinder lock and panic bar assemblies shall comply with BS 5725 and provided to emergency escape doors.

8.4 Internal Doors

All internal doors shall be solid-core veneered timber generally in accordance with BS 459, Part 2, with a skeleton comprising stiles, top, bottom and intermediate rails and lock block. The finished thickness shall be 44 mm unless otherwise agreed to.

QKOCspwllnm Eng/&ng Grwp

n

Fire check doors shall comply with BS 459: Part 3.

All doors shall be fitted with vision panels of 6-mm polished Georgian wired glass to BS 952, Part 1, paragrapah 8.3.

Specification Number

01 5-RH-1001

Doors with glazed removable overhead panels where stated.

Vision panels shall be fixed with beads, brass cups and screws let in to finish flush with the face of the work.

Rev

1

Door Frames

All internal door frames shall be in hardwood to the sizes and profiles to suit the finish of the doors. Heads shall be morticed tennoned the full width of the members, glued and wedged.

Date

5-8-94

Architraves

Sheet

32 of 69

All internal door frame shall have 44-mm x 19-mm softwood Ovoto Pattern architraves. At junction with right-angled walls, 19-mm softwood quadrants shall be fixed to the frames.

Pressure Impregnation

Preservative for timber shall be pressure or immersion impregnation complying with BS 1282.

8.5 lronmonaerv and Door Furniture for Internal Doors

8.5.1 All ironmongery shall be fixed with matching screws and shall be properly fitted and lubricated to ensure proper operation.

8.5.2 All ironmongery shall be new and of first-class quality.

8.5.3 Six keys shall be provided for each lock, and all keys shall be clearly labelled.

8.5.4 Hinges

a. All internal doors shall be fitted with three 100-mm stainless steel butt hinges with steel fixed pins, to BS 1227. They shall be fixed with 30-mm-long stainless steel screws.

b. Hinges for shower and toilet cubicle doors shall be 100-mm stainless steel falling butt hinges with steel fixed pins. They shall be fixed with stainless steel screws, finish to be coordinated to match cubicles fitments.

Mortice Locks

Cylinder mortice deadlock with aluminium forend and stainless steel striking plate with two nickel-plated steel keys.

Door Closers

Door closers shall be as supplied with cover. Both items shall be satin aluminium finish and shall comply with BS 6459.

Kick Plate and Push Plates

Kick plates and push plates shall be 2.5-mm-thick plain aluminium sheet to the width of the doors less 50 mm. They shall be fixed with aluminium screws. The plates shall be rubbed down, cleaned and polished and left free from scratches.

Hasps and Staples

Hasps and staples shall be heavy pattern with concealed fixings. They shall be fixed with countersunk head through bolts with stainless steel nuts let into the door.

Door Handles

Door handles shall be aluminium finish D-shaped pull handles. They shall be fixed with stainless steel through bolts.

Bolts

Flush bolt with sunk slide finish with top plate and easy clean bottom socket slotted into the floor.

Panic Bolts

Double mortice panic bolt in aluminium finish fitted with automatic tripper catch to keep bolt in "unshot" position when doors are open.

8.6.1 Steel doors and frames shall be installed strictly in accordance with the Company-Approved Manufacturer's instructions, true to line, level and plumb.

Specification Number Rev Date Sheet EngIWng Gtwp spe&htbn 01 5-RH-1001 1 5-8-94 34 of 69

8.6.2 Veneering shall be factory applied.

8.6.3 Internal door frames shall have three fixings each side in their height, and for double-leaf doors two fixings in their head, plugged screwed and pelleted.

8.6.4 Samples or catalogue for all items in this specification with full Company-Approved Manufacturer's information shall be provided for approval to the Company.

9.0 WINDOWS AND GLAZING

9.1 General

This section describes the materials, and workmanship related to all the external/internal windows, glazing and venetian blinds.

9.2 Materials

Windows shall be fixed glass pre-finished steel double-glazed units with all fixtures and fittings including head and sills such as by Company-Approved Manufacturer.

Windows shall comply with BS 6510.

External glazing shall be hermetically sealed double-glazed units, made of laminated glass as per 9.2.5 and shall be able to resist a force of 4kN/m2.

Fixing Requirements for External Glazing

a. To limit damage to the glass pane in the window frame in the case of an explosion, the following requirements shall apply:

1. The window frame shall have a minimum rebate of 30 mm.

2. The glass panes shall be fitted from the outside.

3. Double glazing shall be fixed with metal beads in height corresponding to the height of the rebate. The steel beads shall be fixed with at least 5%-mm screws at 200-mm centres.

4. The clearance between the pane and the frame shall be at least 3 mm in lateral directions and at least 5 mm in the perimetral direction (i.e., in the plane of the glass pane) to keep the glass pane free from stresses at all times.

Specification Number Rev Date Sheet EngIMng Grwp SpdifWon 01 5-RH-1001 1 5-8-94 35 of 69

5. The clearances shall be maintained by the use of neoprene setting blocks and side spacers.

6. The adhesive compound shall be a non-hardening gluing compound to glue the glass in the steel window frame. A self-adhesive aluminium tape, taped on the edge of the window pane, will act as a separation between adhesive compound and PVB interlayer in the case of possible harmful inter-action between components of the adhesive compound and the PVB interlayer.

7. The fixing method shall ensure void-free and water- proof joints.

8. The transport, the application of primers, compounds, aluminium to neoprene setting blocks and neoprene side spacers shall be in accordance with the instructions of the Company-Approved Manufacturers of the glass and the compounds.

9.2.5 External Glazing

Laminated glass shall be used consisting of two layers of float glass of at least 3 mm each and a polyvinyl-butyryl (PVB) interlayer of 1.9 mm. All panes shall be marked clearly by the Company- Approved Manufacturer by etching his name in the glass.

9.2.6 lnternal glazing

Normal glass with a minimum thickness of 6 mm shall be supplied to BS 952. The panes shall be fitted in steel frames composed of standard sections, and fixed with a non- hardening, non-staining type of putty.

lnternal glass in timber doors and in hardwood frames shall be fixed with screwed hardwood beads.

All external and internal doors shall be provided with 6-mm Georgian polished wired glass in view of its resistance to fragmentation.

Wired, glass, thickness 6 mm, shall be fixed with screwed metal beads in steel frames and with wooden beads in wooden doors.

Transparent Georgian polished wired glass shall be used if visibility is required: otherwise, translucent Georgian wired- cast glass shall be applied.

f. Two hour fire-rated windows shall be provided where specified.

Glass blocks shall be as manufactured by the Company-Approved Manufacturer from two hollow moulded glass sections fused together to form a hollow transparent or translucent hermetically sealed block, having dimensions of 190 mm x 190 mm x 100 mm thick.

9.2.8 Putty

Linseed oil putty for glazing to wood shall comply to BS 544.

9.2.9 Mastic Sealant

One part silicon sealant for glass blocks shall be as manufactured by the Company-Approved Manufacturer.

9.2.10 Venetian Blinds

-

Date

5-8-94

Rev

1 Eng/&ng Grwp

a. All external windows shall be fitted with fully retractable proprietary venetian blind.

1 Sheet

36 of 69

Specification Number

01 5-RH-100 1

b. Venetian blinds shall be deep section cord operated through 360.

c. Venetian blinds shall be designed, using materials resistant to intense heat.

d. All venetian blinds shall be fixed in accordance with the Company-Approved Manufacturer's instructions.

9.3.1 All windows shall be fixed in accordance with the Company- Approved Manufacturer's instructions, true to line, level and plumb.

9.3.2 Units shall be protection wrapped from factory to point of installation. Damaged units shall be replaced. Units or their surroundings damaged in fixing shall be made good or replaced.

9.3.3 All protection shall be removed and all finishes, and glass cleaned down and checked.

9.3.4 Glass blocks shall be bedded in a 1 :3 cementlsand mortar with a clear gap of 3 mm between exposed glass edges. The gap shall be raked out, cleaned and neatly painted with mastic sealant. Glass

block panels shall not exceed 6 m in any direction, nor be greater than 18.5 m2. Where glass block panels are required to be fire resistant, they shall not exceed 3 m in any direction.

Enginwing G m p m e n

9.3.5 Glass shall be fitted in accordance with BS CP 152.

9.3.6 Georgian wired glass shall have the wiring aligned vertically and horizontally to adjacent glazed panels.

Specification Number

01 5-RH-1001

9.3.7 Fire-resistant beading shall be butt jointed at corners and fixed with 38-mm countersunk brass screws at not more than 200-mm centres and not more than 50 mm from each end.

9.3.8 Fire-resistant beading for I -hour fire-resisting doors shall be sealed with intumescent mastic.

Rev

1

10.0 PLASTERING

10.1 General

Date

5-8-94

This section describes the materials and workmanship related to wall plastering.

Sheet

37 of 69

10.2 Materials

10.2.1 Plastering

All materials shall be new and free of defects.

10.2.2 Cement

Sulphate-resisting Portland cement in compliance with BS 4027.

10.2.3 Lime

Lime shall comply with BS 890.

10.2.4 Water

The water shall be in accordance with BS 3148.

10.2.5 Aggregates

Aggregates shall generally comply with the requirements of BS 882 or BS 1199.

10.2.6 Gypsum Plaster

Gypsum buildings plaster shall comply with BS 1 191, Part 2.

10.2.7 Plasticizer

Q KoC E ~ l d n g Grwp SpedHmbn Plasticizer shall comply with BS 4887.

10.2.8 Bonding Agent

Specification Number

01 5-RH-1001

Polyvinyl acetate (PVAC) emulsion bonding agents for use in plaster shall comply with BS 5270.

10.2.9 Beads and Stops

Rev

1

Beads and stops profiled to suit the depth of plaster to be applied, shall be manufactured form tight coat galvanized steel to BS 2989 grade 22, coating type C.

10.2.10 Welded Fabric Mesh for Reinforced Rendering

Date

5-8-94

Galvanized welded-fabric mesh with 25 x 25-mm squares having wires not less than 2.5-mm diameter.

Sheet

38 of 69

10.2.1 1 Expanded Metal Lath

a. Manufactured from tight coat galvanized sheet made in accordance with the requirements of BS 2989 grade 22, coating type C, with a minimum aperture of 6 mm.

b. Metal lath for plastering shall comply with BS 1369..

10.2.12 Nails, Staples Screws, Washers

Nails, screws and washers to be of galvanized steel. Nails shall comply with BS 1202, Part 1 and staples to BS 1494, Part 2.

10.3 Workmanshir,

10.3.1 Preparation

a. Surfaces to be plastered shall be thoroughly cleaned of all oil, dust, etc.

b. Blockwork surfaces shall have the joints raked out and brushed down and splattered with cementhand (1 :3) applied with a tyrolean machine.

c. Expanded metal lath shall be provided over all electrical conduits or at junctions of different backgrounds. The metal lath shall be fixed using washers, nails or screws or shot fired pins.

d. Beds, stops shall be fixed plumb, with galvanized nails (at 600-mm-maximum centres).

1 0.3.2 Cement Plaster

Sheet

39 of 69 QKOC- ErrgjMng Gnwp

a. Class A cement plaster shall be mixed in the proportion of 1 part cement, 2 parts lime to 9 parts sand by volume.

b. Class 6 cement plaster shall be mixed in the proportion of 1 part cement, 0.25 part lime to 3 parts sand by volume.

Specification Number

01 5-RH-1001

c. The first coat of plaster shall be 10 mm thick and finished with uniform rough scratch surface to provide a good bond for the finishing coat. The finishing coat, 10 mm thick, shall be finished with wooden float or steel trowel. Total thickness of plaster shall be 20 mm thick applied in two 10-mm thick coats.

10.3.3 Gypsum Plaster

Rev

1

Gypsum plaster shall be 15 mm thick in two coats. The first coat shall be browning plaster 12 mm thick and finishing with a uniform rough scratch surface to provide a good bond for the finishing coat.

Date

5-8-94

All coats shall be applied with firm pressure to exclude air end to ensure a good bond.

The surface of the finish coat shall be smooth, free from irregularities, with straight and plumb angles.

Surface variation shall not exceed ~t 1.5 mm under a 800- mm-long straight edge.

All coats shall be prevented from drying out too quickly during the hot months.

All external rendering shall be protected by hessian and kept damp by a spray of water (3 days' curing for each coat).

11.0 PAINTING

11.1 General

11.1.1 This section includes the painting of building materials other than self-finish items and structural steel.

11.1.2 For structural steel, see the Engineering Group Specification entitled "Shop and Field Painting" (Number 01 5-XH-1005).

11.2 Materials

Eng/&ng Group

1 1.2.1 Paint containing lead shall not be used.

11.2.2 Sealers, fillers, putty, primer, undercoat, gloss topcoat, wood varnish and emulsion shall be such as by the Company-Approved Manufacturer.

Specification Number

01 5-RH-1001

11.2.3 Epoxy paint shall be supplied by the Company-Approved Manufacturer.

1 I .3 Surface Preearation

Rev

1

lronmongery and other removable fittings in buildings shall be removed before the preparatory processes are commenced and shall be carefully and securely stored.

Surfaces to be painted shall be thoroughly dry, clean and free from dust, grease or other foreign matter.

Date

5-8-94

Steel (Other Than Structural)

Sheet

40 of 69

All primed surfaces shall be thoroughly cleaned damage to the rustproofing protection applied at Wo of rust inhibitor.

. Repair any rks with a coat

Fair Faced and Plastered Walls

Prepare surfaces including stopping holes, defective joints etc. Chip, scrape and brush down all surfaces before painting.

Woodwork (New and Improved) a. All surfaces shall be thoroughly cleaned down, removing all

dirt, grease and other deposits, in order to avoid the destructive influence of absorbed moisture. Woodwork shall be well seasoned and primed with at least one coat of wood primer, preferably before the structure is erected.

b. If the wood has been treated with a proprietary wood preservative, details of the type shall be given to the paint suppliers, who will be able to recommend their most suitable primer.

c. Before priming, knots shall be sealed with a Company- Approved Manufacturer's polyurethane undercoat or equal.

d. The woodwork shall be rubbed down with a suitable grade wet or dry abrasive paper to give a smooth surface before painting commences and between each coat.

QKOC- E~Ihedng Grwp

e. After priming, all nail holes, breaks and crevices shall be filled with putty or other suitable filler. (Note: Cellulose fillers shall not be used on external woodwork.)

f. Surfaces shall be sound, clean and thoroughly dry prior to painting and between coats.

Specification Number

01 5-RH-1001

g. It is important that surfaces which will be in permanent contact with bricks, stone or plaster, such as edges of door frames, shall be primed before the woodwork is fixed. A second coat of primer is required on such surfaces, particularly on end grain, to give added protection against penetration of moisture from the surrounding surfaces. All priming coats shall be applied by brush and worked well into crevices and any rough places.

1 1.4.1 Weather Conditions

Rev

1

a. No exterior painting shall be carried out in wet, foggy or dusty conditions.

b. No interior painting shall be carried out in dusty conditions, or where water vapour is condensed on surfaces.

Date

5-8-94

1 1.4.2 Mixing

Sheet

41 of 69

All paints shall be prepared to the Company-Approved Manufacturer's instructions, including the paint in the painter's containers. The size of the painter's containers shall be the smallest practicable for the work in hand. Paint from the painter's containers shall at the end of a working day be kept in a covered bulk container. It shall not be mixed with fresh paint.

11.4.3 Driers and Thinners

Driers and thinners shall not be added to the paint as supplied by the Company-Approved Manufacturer of the paint, unlessexpressly permitted by the Manufacturer's printed instructions. Where the use of thinners and driers is permitted, they shall be used only if necessary, and shall be of the correct type and thoroughly mixed in the proportions recommended by the Company-Approved Manufacturer of the paint.

Specification Number Rev Date Sheet EWMW Grwp

01 5-RH-1001 1 5-8-94 42 of 69 --

11 -4.4 Application Generally

All paints shall be applied in accordance with the recommendations of the Company-Approved Manufacturer.

All primers shall be applied by brush.

Subsequent coats may be applied by brush, roller, or airless spray. If spray is adopted, the size of jet and pressure shall be suitable for the type of paint, any overspray shall be carefully cleaned off.

No priming coat shall be applied until the surface has been inspected and the preparatory work has been carried out. No undercoats or finishing coats shall be applied until the previous coat has been similarly inspected.

Each coat of paint shall be allowed to dry and harden before the next is applied, but subsequent coats shall be applied within the period specified by the Company-Approved Manufacturer of the paint as necessary to secure a proper bond with the previous coat.

Where necessary, each coat shall be lightly rubbed down with fine sandpaper before applying the following coat.

No consecutive coats of paint shall be of exactly the same shade. Where doubt exists as to acceptable pigmentation to achieve slight differences of shade, the Company-Approved Manufacturer of the paint shall be consulted.

The surfaces to be coated and the finish to each shall be as specified in the schedule of painting.

External finishes shall generally by gloss, and internal finishes shall generally be satin or semi-gloss finish.

11.4.5 The colour scheme shall be submitted for Company approval well ahead of commencement of work.

1 1.4.6 Finishing

All painting shall be finished free of tears, runs, blisters, dimpling, thin patches, ragged edges or "orange peel" effect.

11.5 Com~let ion and Makina Good

lronmongery and other fittings removed before commencement of preparatory process shall be cleaned and refixed in position upon completion of painting.

QKK- E w l M n g Gmup ' n

11.6 Paint Svstem for Particular Surfaces

11.6.1 Steel

Specification Number

01 5-RH-1001

Refer to the Engineering Group Specification entitled "Shop and Field Painting" (Number 01 5-XH-1005).

11.6.2 Plastered Walls (Internal)

Rev

1

a. Painting of the specified system shall be undertaken only after water used in construction has dried out.

b. One coat of diluted emulsion paint.

Date

5-8-94

Two coats of undiluted emulsion paint

Sheet

43 of 69

11.6.3 Woodwork

a. Primer

One coat non-lead based wood primer.

b. Undercoat

1. Two coats base undercoat .

2. One coat decorative gloss finish.

11.6.4 Floor Paint

Epoxy floor paint shall be applied in accordance to Company Approved Manufacturer's instructions.

1 1.6.5 Fair-Faced Concrete

a. One coat masonry primer.

b. One undercoat.

c. Two coats of emulsion.

1 1.6.6 Hardwood

Timber to receive stain shall be given two coats of coloured stain paint.

1 1.6.7 Steel Frames and Doors

EwJhwing Gnwp

a. One coat oil base undercoat.

b. Two coats of decorative gloss finish.

Specification Number

0 1 5-RH-100 1

11.6.8 Plastered Walls (Internal) a. One coat oil base undercoat.

Rev

1

b. Two coats decorative gloss finish.

1 1.6.9 Plastered Walls External

Date

5-8-94

a. One coat diluted emulsion paint.

Sheet

44 of 69

b. Two coats external quality emulsion paint.

12.0 FLOOR AND WALL FINISHES

12.1 General

This section describes the materials and workmanship related to the floor and wall finishes other than screed.

12.1.2 Screed beds for floor finishes shall comply in every aspect with section 4, Floor Screeds, of this specification.

12.1.3 Floor finishes in circulation areas shall comply with Class 0 surface spread of flame defined in BS 476.

Other rooms shall comply with Class 1 except those of less than 30 m2 which can be Class 3.

12.1.4 All colour schemes for tiles shall be agreed to with the Company before implementing into the Works.

12.2 Materials

All materials shall be new and free of defects. The use of flooring and wall materials shall be as follows:

12.2.1 Vinyl Floor Tiles

The tiles shall be 3 mm thick complying with BS 3261, Part 1 B, to colours to be agreed to with the Company. Tiles shall be laid in accordance with the Company-Approved Manufacturer's instructions and using the Company-Approved Manufacturer's recommended adhesive.

Enginwing Grwp Specification Number Rev Date Sheet SpeMmtbn 01 5-RH-1001 1 5-8-94 45 of 69

1 2.2.2 Anti-Static Vinyl Floor Tiles

The tiles shall be 3 mm thick, complying with BS 3261, Part 1 B, to colours to be agreed with the Company. Tiles shall be laid in accordance with the Company-Approved Manufacturer's instructions and using the Company-Approved Manufacturer's recommended adhesive. Minimum transversal electrical resistance shall be 10 ohms.

12.2.3 Skirtings

a. Coved vinyl skirting to be fixed in accordance with the Approved Manufacturer's instructions and using the Company-Approved Manufacturer's recommended adhesive.

b. Ceramic coved skirting shall be applied on mortar setting bed.

c. Acid resistant ceramic coved skirting shall be fixed using the Company-Approved Manufacturer's recommended acid resistant adhesive and grout.

1 2.2.4 Carpet Tiles

a. Carpet tiles shall be adhesive or loose laid to colours to be specified of a heavy duty, commercial grade. Tiles shall be 100% polypropylene, anti-static, fire resistant.

b. Skirting shall be coved vinyl as for vinyl floor tiles.

12.2.5 Glazed Ceramic Wall Tiles

a. Bevel-edged glazed ceramic wall tiles shall comply with BS 6431 and BS 1281, applied on mortar setting bed.

b. Acid-resistant ceramic wall tiles shall comply with BS 6431 and BS 1281. The tiles shall be laid in accordance with the Company-Approved Manufacturer's instructions and using Company-Approved Manufacturer's recommended acid resistant adhesive and grout.

1 2.2.6 Ceramic Floor Tiles

a. Non-slip ceramic floor tiles shall comply with BS 6431 and applied on mortar setting bed.

b. Acid-resistant ceramic floor tiles shall comply with BS 6431 and BS 1281. The tiles and coved skirting shall be laid in accordance with the Company-Approved Manufacturer's instructions and using Company-Approved Manufacturer's recommended acid resistant adhesive and grout.

Engi&ng Grwp SpeMc&n

12.2.7 Prior to handing over the Works, the Contractor shall supply the Company with spare tiles matching in colour and quality with those used in work. Sixty of each type shall be supplied.

12.2.8 The Contractor shall submit for Company approval samples of all the floor and wall tiles specified.

Specification Number

01 5-RH-1001

12.3 Workmanshir,

12.3.1 General

Rev

1

a. Floor and wall finish materials shall be stored and installed according to the Company-Approved Manufacturer's instructions.

b. All floor surfaces shall be completely flat without projections or crevices and terminate at an upstand skirting or flush metal edge. No edges shall be left exposed. The base to receive floor tiles shall be clean and dry with no loose or friable areas

Date

5-8-94

or surface dusting.

1 2.3.2 Ceramic Tiles

a. Ceramic Floor Tiles

Sheet

46 of 69

1. The mortar for bedding shall consist of 1 part of cement to 4 parts of sand by volume. Minimum thickness of bedding: 40 mm.

2. A thin layer of neat cement paste shall be spread over the mortar bed and the backs of the ceramic tiles immediately before laying.

b. Ceramic Wall Tiles

1. The mortar for bedding shall consist of 1 part of cement to 4 parts of sand by volume. Minimum thickness of bedding: 13 mm.

2. Ceramic tiles shall be positioned and tapped firmly into the mortar, laid with straight close joints with a gap between the tiles of 2.5 mm. Any mortar extruded between the joints must be wiped off with

a damp cloth and joints cleared for grouting. Final levelling shall be carried out within one hour of placing tiles.

QKOC- Engldng Gmup ' n

Mortar for pointing ceramic tiles shall be non-shrinking water-proof factory-mixed grout. The joints shall be pointed and flushed up by spreading the grout diagonally over the joints until all gaps are filled. Excess grout shall be removed with a damp cloth as pointing proceeds.

Power tools shall be used for cutting tiles as far as practicable. Cut edges shall be straight and free from chippings and ground or filled smooth.

Specification Number

015-RH-1001

Ceramic tiled areas shall be thoroughly cleaned with soap and water or with a weak solution of muriatic acid rinsed off with cold water when pointing has hardened sufficiently to permit it. On no account shall soda or sulphate-containing solutions be used for cleaning purposes.

Ceramic tiled areas shall be closed to all traffic and kept damp for a minimum period of 3 days after laying. No heavy traffic shall be permitted for 14 days.

Rev

1

12.3.3 Vinyl Flooring

a. Preparation of Surface

Date

5-8-94

1. All surfaces to receive vinyl flooring shall be examined to see that they are in proper condition.

Sheet

47 of 69

2. Surfaces shall be dried adequately before applying materials. At the direction of the Company, a simple calcium chloride test to ensure concrete surfaces are free of moisture may be performed.

3. Fill all cracks in sub-surfaces using approved crack filler in accordance with the Company-Approved Manufacturer's printed instructions. Clean surfaces of all remaining dirt and loose particles before application of flooring materials.

4. Small dips and minor imperfections on the floor surfaces shall be corrected using an approved self- levelling screed.

b. Laying Tiles

QKOCspeminmn EngfMng Grwp

Installation shall not start until work of other trades, including painting, has been substantially completed. Printed instructions of the Company-Approved Manufacturer of the material shall be strictly followed.

The room temperature in any area where tiles are being installed shall be maintained at not less than 20C from 48 hours prior to commencement of this work to at least 48 hours after its completion.

Specification Number

01 5-RH-1001

Tiles shall be layed in chequerboard fashion, square with room axis, with continuous joints in both directions and with tiles at edges being not less than half the width of the vinyl tiles.

Tiles shall be layed so as to ensure full uniform contact with base material and to produce finished surfaces which are smooth, even, and in true planes, free of buckles, waves and other imperfections. Store and use adhesives in accordance with Company- Approved Manufacturer's printed instructions.

Rev

1

Store and use adhesives in accordance with Company-Approved Manufacturer's printed instructions.

Fit flooring neatly into breaks and recesses, against bases and thresholds, and around pipes, columns and other projections. Cut, fit and scribe borders after application of the vinyl tiles.

Date

5-8-94

At stair threads where vinyl flooring is required, joints shall be alternated to each tread to achieve a symmetrical appearance, starting with a full and cut tile and alternating to a cut and full tile. Aluminium nosings of an approved type shall be used at the intersection of tread and riser.

Sheet

48 of 69

Aluminium edge strips shall be installed where vinyl flooring materials terminate at exposed concrete floors.

Surplus adhesive shall be cleaned from flooring materials abutting at exposed concrete floors.

10. Tiles that have not been seated level with surrounding tiles shall be adjusted in a manner recommended by the Company-Approved Manufacturer's instructions.

E n g i d n g Grwp S ' n

11. Tiles showing broken corners or fracture lines shall be rectified by warming tile, carefully removing, and replacing with new tile of same type, colour, pattern and thickness.

All finishings to risers, bases and stringer material shall be applied only after backing material has thoroughly dried. Apply material with adhesives recommended for such use in strict accordance with the Company-Approved Manufacturer's printed instructions. Patch and fill back material if necessary using self-levelling screed to provide continuous uniform surface.

Specification Number

01 5-RH-1001

I c. Cleaning Up After completion, flooring shall be allowed to set overnight before initial cleaning. PVC flooring shall be cleaned by damp mopping, followed as soon as dry with application of a light coat of commercial buffable floor polish of specified type, strictly following the Company Approved Manufacturer's printed instructions. Care shall be taken not to flood the surface. Except for initial cleaning and polishing, PVC floor finish shall be allowed to set without traffic for at least 5 days after installation.

Rev

1

12.3.4 Carpet Floor Tiles

Carpet floor tiles shall be adhesive or loose laid in accordance with the Company-Approved Manufacturer's instructions.

Date

5-8-94

13.0 DRYWALL PARTITIONS

Sheet

49 of 69

I 13.1 General This section describes proprietary drywall partition system.

I 13.2 Materials 1 3.2.1 Non-Fire Rated Partition

The drywall partition shall be in metal studs and 13-mm gypsum wallboard. Partitions shall include hollow metal steel frames for doors and fixed-glass windows. The partitions shall comply with

BS 7364 and BS 5234. Joints of wallboards shall be tapered, taped and filled.

- -

E n g i d n g Grwp

1 3.2.2 Fire Rated Partition

a. The drywall partition shall be in metal studs and 16-mm gypsum wallboard. Partitions shall include hollow metal steel frames for doors and fixed-glass windows. The partitions shall comply with BS 7364, BS 5234 and BS 476. Joints of wallboard shall be tapered, taped and filled.

Specification Number

01 5-RH-1001

b. Gap within dry wall partitions shall be filled with thermal insulating slabs.

c. Provisions shall be made for continuous horizontal and vertical wireways for electrical fittings.

Rev

1

13.2.3 Lateral Restrain

Unless otherwise specified, drywall partitions shall be laterally restrained.

Date

5-8-94

13.3.1 The drywall partition system shall be installed strictly in accordance with the Company-Approved Manufacturer's instructions.

Sheet

5 0 of 69

13.3.2 The drywall partition shall be extended to underside of structure.

13.3.3 Centre line of drywall partitions shall be located on floor.

13.3.4 Drywall partitions shall be erected straight and plumb with all horizontal lines level.

13.3.5 Joints shall be provided at the connection between drywall partition and structure.

13.3.6 Joints of plasterboard shall be tapered, taped and filled.

14.0 METAL CLADDING

14.1 General

This section describes the materials and workmanship related to the metal roof, wall cladding and accessories for roof and wall system.

14.2 Materials

14.2.1 Metal roof and wall cladding shall be a multi-layer profiled, protected metal cladding system consisting of a galvanised steel substrate, heavy epoxy base coat and high build weather coat of urethane to external face and stoving polyester to the internal face. Colour shall be approved by the Company.

Ewlne&ng Grwp -n

14.2.2 The hot-dip galvanised steel sheet shall be not less than 0.7 mm for both roof and wall cladding and shall comply with BS 2989, type G275 with minimum zinc coating weight 275 g/m2 total both sides.

14.2.3 Pretreatment

Specification Number

01 5-RH-1001

After cleaning, complete a chemical conversion of the zinc coating to a non-metallic surface with corrosion-inhibiting and adhesion additives.

14.2.4 Primer

Rev

1

Anti-corrosive pigmented epoxy primer shall be applied, a nominal 5 micron thick to both sides of panels and allowed to cure.

14.2.5 Epoxy Barrier Coat

Date

5-8-94

Epoxy barrier coat combining special flexibiliser compounds shall be applied, a nominal 70 microns thick to both sides of the panels and allowed to bake to a hard corrosion-resistant finish.

Sheet

51 of 69

14.2.6 External Weather Coat

A nominal 50-micron-thick urethane coating pigmented in off-white colour shall be applied to both sides of the panels.

14.2.7 lnternal Coat

A nominal 20 microns storing polyester coating pigmented in standard off-white colour.

14.2.8 lnternal Lining Panels

a. Insulated cladding shall have lining panels.

b. lnternal lining panels shall be of similar specification to the external weathering sheets with an off-white painted finish to the exposed face only. lnternal lining panels shall comply with BS 2989.

--

c. Pre-engineered building internal lining panel system with colomet paint finish shall be of the type as fabricated by the Company-Approved Manufacturer.

14.2.9 Thermal Properties

Eng/&ng Grwp

To obtain thermal value 0.1 1 Btu in the roof and wall cladding. Sq/FtI0 FIHr

The overall roof and wall cladding construction shall be designed to give minimum 'U' value of 0.6W/m2I0C .

Specification Number

01 5-RH-1001

Fasteners shall be stainless steel weathered drive screws fitted with integral stainless steel washer and sealant washer. Only approved fasteners as on approved shop Drawings by the Company shall be used.

Closures shall be fabricated from black polyurethane to suit configuration. Closures shall be applied as required for a weathertight installation.

Rev

1

Flashings shall be fabricated from sheet metal compatible with cladding and coated as for cladding sheets. Flashings shall be as approved on the shop Drawings by the Company.

Expos