015-RH-1001 (Architectural Building Materials, Finishes and Fittings)

7/26/2019 015-RH-1001 (Architectural Building Materials, Finishes and Fittings)

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u r

A.

b ) a f l t

KU W AIT OIL CO MPA NY K.S.C.)

Engineering Group

Specificstion Number

0 15 RH 10 0 1

Architectural Building Materials Finishes

and Fittings

1

Rev

Client

5 AUG

94

7

MAR 93

Date

PE

hkd

ISSUED AS KOC ENG GROUP SPEC

ISSUED FOR INVITATION TO BID

Revision

Section

Y



CONTENTS

QKK

wJdng

rwp

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COPE

5

STANDARD SPECIFICATIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Specification Number

015 RH 1001

ERVICE CONDITIONS

1 3

MASONRY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General 1 3

4 2 Fire Resistance 1 4

4 3 Movement Joint 1 5

4 4 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Workmanship 1 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Test Specimen 23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 Conclusion 23

Rev

1

LOOR SCREEDS

23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General 2 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Design of Screeds 2 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Materials 2 5

4 Workmanship 2 5

ROOFING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General 2 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Materials 2 7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Workmanship 28

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Testing 2 9

Date

5 8 94

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AINWATER SYSTEM

2 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General 2 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Materials 2 9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Workmanship 30

Sheet

2 of 69

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OORS AN D IRONMONGERY

30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 General 30

2 Locks

30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 External Doors 30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Internal Doors 3 1

8 5 lronmongery and Door Furniture for Internal Doors . . . . . . . . . . . . . 3 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Workmanship 33

WIND OW S AND GLAZING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 General 34

9.2 Materials

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

9.3 Workmanship

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 6



0.0 PL STERING 37

0.1

General

37

0.2

Materials

37

0.3

Workmanship

38

n g l d n g G w

11.0 P INTING 39

1.1

General

39

1.2

Materials

39

1.3 Surface P reparation 40

1.4

Applications

41

1.5

Com pletion and Mak ing Good

42

1.6 Paint System for Particular Surfaces 43

2.0 FLOOR ND W LL FINISHES

44

2.1 General 44

2.2

Materials 44

2.3

Workmanship

46


015 RH 1001

3.0 DRYW LL P RTITIONS 49

3.1

General

49

3.2

Materials

49

3.3 Workmanship 50

4.0 MET L CL DDING 50

4.1 General

50

4.2

Materials

50

4.3

Performance Criteria

52

4.4 Workmanship 53

Rev

1

5.0 SUSPENDED CEILINGS 54

5.1

General

54

5.2 Materials 54

5.3

Workmanship

55

6.0 R ISED CCESS FLOORING 56

6.1

General

56

6.2

Design of Access Floor

56

6.3

Materials

56

6.4 Workmanship 57

Date

5 8 94

7.0 S NIT RY INST LL TION 57

7.1

General

57

7.2 Materials

57

7.3

Workmanship

60

Sheet

of 69

8.0 FIXTURES ND FITTINGS 63

8.1

General

63

8.2

Materials and W orkmanship

63

8.3

Furniture

64



Eng/I)O WJng twp

pedkafhn

1 8 .4 Internal Stair Handrailing 68

1 8 .5 Timber Dado Rail 69

18.6 Louvres

6 9

19 .0 PACKING. MARKING AN D DOCUM ENTATION 69

2 0. 0 SPARE PARTS AND M AINTENANCE REQUIREMENTS 6 9

N

12 0095

Spedfi~Mi~number

015 RH 1001

Rev

1

Date

5 8 94

Sheet

4

of

9



1 0

SCOPE

1

I

This specif ication covers the design, supply of materials and construc tion

o f architectural f inishes for installat ion a t the Facil ity in K uwa it.

QKOC

~lgiWngRwp

1.2

The architectural building materials, finishes and fitt ing s shall fully com ply

w ith al l relevant contrac tual requirements specif ied in the Scope o f Wo rk

and Technical S pecif ication of th e Contract.

Rev

1

Specification

Number

015 RH 1001

1.3 All f inishes shall be subject t o Company approval.

2 0

STANDARD SPECIFICATIONS

2.1

The architectural materials, finishes and fitt ing shall conform in design,

materials and performance, except where otherwise specif ied, with the

curren t issue and amendments o f the fol low ing prevail ing o n the e ffective

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-52 5 Zinc Coat ing

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 Me thod)

ASTM D2 24 7-6 8 Hum idity Resistance Test

ASTM D-4021

GRP Storage Tank sISep tic Tanks

AlSl

Cold Formed Steel Structure Mem bers

DIN 5221 2

Test for Non-Co mbus tible/Mineral Fibre Material

DIN 50018

Kes ternich Pollution Resistance Test

2.1.2 British Standards

BS 1 2 Port land Cement



Specification Number Rev ate Sheet

rins JWP

Wn

015 RH 1001 1 5 8 94 6 of 69

BS 187

BS 24 2

BS 325

BS 38 1

BS 416

BS EN438

BS 45 9

Part 2

Part 3

BS 47 6

Part 4

Part 5

Part 6

Part 7

Part

8

BS 54 4

BS 57 6

Part 3

BS 729

BS 743

BS 747

BS 812

BS 8 64

BS 88 2

BS 8 90

BS 91 6

BS 95 2

Sand Lime Bricks

Linseed Oil Paints

Black Cup and Countersunk Bolts and Nu ts

Colours for Identification Cod ing and Special

Discharge and Ventilating Pipes and Fittings

Sandcast or Spun in Cast Iron

Dec orative High P ressure Laminate Sheets

Woo den doors

Flush Doors

Fire Check Doo rs

Fire Tests on Building Ma terials and S tructures

Non-Com bustibil ity Test for Materials

Surface Spread of Flame of Products



Test Methods and Criteria for the Fire

Resistance of Elements of Building Cons truction

Linseed Oil Putty for Use in Woo den Frames

External Fire Exposure Roo f Test

Hot-Dip Galvanised Coating on liron and Steel

Materials for Dam p-proof Courses

Roo fing Felts

Sampling and Testing of Mineral Aggregates

Sands and Fillers

Capil lary and Compression Tube Fitt ings of

Copper and Copper Alloy

Aggregates From Natural Sources for Concrete

Building Limes

Black Bolts Screws and Nu ts

Glass for Glazing



BS 1 0 1 0 Dra w-o ff Taps and Stop Valves for Water

Services

BS 11 25 WC Flushing Cisterns

BS 1184

Copper and Copper Alloy Traps

BS 1186

Timber for and Workm anship in Joinery

BS

1191

Gyps um Building Plaster

BS

1

199 1 2 0 0 Building Sands From Natural Sources

Nails

Synthetic Resin Adhesives for W ood

Fireclay Sinks

Wood Screws

Compact Type Float Operator Valves for WC

Flushing Cistern

Hinges

Me tal Ties for C avity Walls

Me tal Sinks for Dom estic Purposes

Me tal Door Frames Steel)

Plastic WC Seats

Glazed Ceramic Tiles and Tile Fittings

Application o f W ood Preservatives

Knott ing

Steel Lathing for Internal Plastering and External

Rendering

Steel Plate, Sheet and Strip

Wrought A luminium and Aluminium Al loys for

General Engineering Purposes

Zinc-Coated Hexagonal Steel Wire Netting



Fixing for Sheet, Roof and Wall Co verings

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 Produ cts

Tests for W ater for M aking Concrete

Semi-Flexible PVC Floor Tiles

Unbacked Flexible PVC flooring

Quality of Vitreous China Sanitary Appliances

Building and Construction Sealants

Expanded Polystyrene Boards

Me thods of Test for Paints

Clay Bricks

Plastic Was te Pipes

Thermal Insulating Materials

Anodic Oxidation Coatings on Wrought

Aluminum External Architectural Applications

Sulphate Resisting Portland ceme nt

Corrugated Plastic Translucent Sheets made

fro m Thermose tting Polyester Resin Glass Fibre

Reinforced)

Self-Tapping Scre ws and Metall ic Drive Screws

Carbon Steel Bars for the Reinforcement of

Concrete

Eng/ ng Grwp


015 RH 1001

Rev

1

ate

5 8 94

Sheet

8o f 69



Hard Draw n 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 Po lyviny l Chloride UPVC)

Rainwater Goods and Accessories

UPVC Pipes and Plastics Fittings for Below-

Ground Gravity Drainage and Sew erage

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 Adm ixtures

Propylene Copolymer Pressure Pipes

Concrete Adm ixtures

Internal No n-Loadbearing Partitioning

Polypropylene Waste Pipe and Fitt ings

Thermoplastic Waste Pipe and F itt ings

Structural Use of Timber

Bonding Agents for Use with Gypsum Plasters

and Cement

Installation o f Textile Floor Coverings

Method of Testing W indows



BS 5385

BS

5427

BS 5429

BS 55 3

BS 55 6

BS

5572

BS 56 6

BS 5627

BS 5628

BS 5669

BS

5713

BS 5725

BS 5872

BS 5889

BS

5921

BS 5977

Part 2

BS 6 73

Part 1

BS

61 5

BS 6222

BS 6262

Eh7JM w rwp

Wall and Floor Ti l ing

CP for Performance and Loading Criteria for

Profiled Sheeting

Specification

Number

015 RH 1001

Internal P lastering

Vitreous China Washdown WC Pans with

Horizontal Outlet

Rev

1

Wa sh Basins

Sanitary P ipework

ate

5 8 94

Guide to Acc uracy in Buildings

Sheet

100 f 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 B uildings

One Part Gun Grade Silicone

-

Based Sealants

Me thods for D etermination of Size Squareness

and Straightness of Edge of Textile Floor

Covering Tiles

Specification for Prefabricated Lintels

Specif ication for Precast Concrete M ason ry

Units

Painting o f B uildings

Dom estic Kitchens E quipment

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

W

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


015-RH-1001

-

N12-0095

Rev 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 11184

2.1.3 Engineering Group Specifications

015-AH-1001

Basic Design Criteria

015-AH-1002

International Codes and Standards

015-KH-1902

Spare Parts and Maintenance Requirements

015-MH-1001

Basic Civil Engineering Design Data

015-MH-1002 Structural Steel Design Materials and

Fabrication



015-QH- 1001 Reinforced Concrete, Materials and

Construction

015-SH-1004 Drainage, Design, Materials and Construction

015-XH-1005 Shop and Field Painting

015-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 015-AH-1001 .

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.

nginewing rwp

Date

5 8 94

Sheet

1 3 0 f

6 9


0 15 RH 1001

Rev

1



Specification

Number

ev Date heet

In

01

5 RH 1

001

1 5 8 94

14 f

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/FtI0FIHr

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.




c. Compartment walls.

Rev

d Staircase enclosures.

e. Plant rooms.

ate

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.

QKO spMcm

ngldng rwp

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 umber

015-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

ate

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

nwp

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.


015-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

ate

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

7 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

ngldng roup

a. External Walls

The lintels shall be reinforced concrete bootn lintel and shall

comply with BS 81 10.


0 15 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

9

a.

Compressible pre-formed expansion oint filler shall be cork-or

bitumen-impregnated fibre boarding of 20-mm thickness,

within a tolerance of 1.5mm, and of such width that t

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.

Ko

EngI-f eawfnsG w

Spa mion

c. Mortars shall be used within

3 5

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


015 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 wi th 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

9

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

S

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 wi th 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 t 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


015 RH 10 R I -Da --

heet 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 10-15 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 wi th 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 wi th 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

S 3712.



Rev ate Sheet

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

Including 5 m and over

Over 10 m

Height

4.6

Test S~ecimen

10 mm

15 mm

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

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 fi t 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

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 R H 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

e.

Spark resistantlstatic dissem inating 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 5 0 mm and under shall be fully bonded to a scabbled

substrate. Screeds in excess of

5 0

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.



O

Specification

Number Rev Date Sheet

E ~ i r m r i n g

mup

Sp Mcdon

015-RH-1001 1 5-8-94 25 o 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 o 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

:I 5as 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 umber

0 15 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

6 9



a. To obtain thermal value 0.07 Btu in the roof.

Sq/FtI0F/Hr

O

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


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).

ate

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 8 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-mmhick 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


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-mmhick precast concrete paving slabs shall be

laid loose over the roof insulation (extruded polystyrene) in

ngimng G m p

n


0 15 RH 1001

Rev

1

Date

5 8 94

Sheet

28 of 69



Specification

Number

Rev

Date Sheet

Ew ng

G ~ P

n

0 15 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 ate Sheet

n g l d n g Gtwp

015-RH-1001 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 wi th 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 wi th 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.

ocks

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.

ng IWng Group

Roller Shutter Doors

Steel roller shutter doors with necessary controls, fixtures and

fittings shall be approved by the Company.


015 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.

ate

5 8 94

Door Closers

Sheet

3 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

S

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.

QKO spwnm

Eng/ ng

rwp

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.


015-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

3

of 9

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 or 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 toi let cubicle doors shall be 100 -m m

stainless steel fal ling bu tt hinges w ith steel f ixed pins. They

shall be f ixed with stainless steel screws, f inish to be

coordinated to ma tch cubicles f i tments.

Mo rt ice Locks

Cylinder mort ice deadlock with aluminium forend and stainless

steel striking plate w ith t w o nickel-plated steel keys.

Doo r Closers

Door closers shall be as supplied w it h cover. Bo th items shall be

satin aluminium finish and shall comply w ith BS 6459

Kick Plate and Push Plates

Kick plates and push plates shall be 2.5-mm -thick plain alum inium

sheet to the wid th of the doors less 5 0 mm . They shall be f ixed

w it h aluminium screws. The plates shall be rubbed dow n, cleaned

and polished and left free from scratches.

Hasps and Staples

Hasps and staples shall be heavy pattern with concealed fixings.

They shal l be f ixed with countersunk head through bol ts with

stainless steel nu ts let into the doo r.

Doo r Handles

Door handles shall be aluminium finish D-shaped pull handles.

They shall be f ixed w ith stainless steel throu gh bolts.

Bolts

Flush bolt with sunk sl ide f inish with top plate and easy clean

botto m socket slot ted into the f loor.

Panic Bolts

Double mo rt ice panic bolt in aluminium finish f i t ted w ith automatic

tripper catch to keep bol t in unshot posi t ion whe n doors are

open.

8 6 1 Steel doors and frames shall be instal led strict ly in accordance w ith

the C ompan y-Approved Manufacturer's instructions, tru e to line,

level and plumb.



Specification Number Rev Date Sheet

EngIWng

Gtwp

spe htbn

015 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 S 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 ate Sheet

n g I M n g

Grwp

pdifWon

015 RH 1001 1 5 8 94 35

o

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)

nterlayer

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

S 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

S

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

-

ate

5 8 94

Rev

1

Eng/ ng rwp

a. All external windows shall be fitted with fully retractable

proprietary venetian blind.

Sheet

6 of

6 9

Specification

Number

0 15 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 wi th the


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



bloc k panels shall no t exceed 6 m i n any direction nor be greater

than 18.5 m2. Where glass blo ck panels are required to be f ire

resistant the y shall no t exceed

3

m in any direction.

nginwing

G m p

m e n

9.3.5 Glass shall be f i t ted in accordance w it h BS CP 152 .

9.3.6

Georgian wired glass shall have the wiring al igned vert ical ly and

horizontally to adjacent glazed panels.


015 RH 1001

9.3.7

Fire-resistant beading shall be b ut t ointed a t corners and fixed w ith

38-mm countersunk brass screws at not more than 200-mm

centres and n ot more than 5 0 m m from each end.

9.3.8

Fire-resistant beading for hour fire-resisting do ors shall be sealed

w ith intumescent mast ic.

Rev

1

10.0 PLASTERING

10.1 General

Date

5 8 94

This section describes the materials and workmanship related to wall

plastering.

heet

37 o 9

10.2 Materials

10.2.1 Plastering

All materials shall be ne w and free o f defects.

10.2.2 Cement

Sulphate-resisting Port land cemen t in comp liance w ith BS 402 7.

10.2.3 Lime

Lime shall com ply wit h BS 890 .

10.2.4 Water

The water shall be in accordance wi th BS 31 48 .

10.2.5 Aggregates

Aggregates shall generally comply w ith th e requiremen ts o f BS 88 2

or BS 1199.

10.2.6 Gyp sum Plaster

Gyp sum buildings plaster shall com ply wi th BS 1 191 Part 2.



10.2.7 Plasticizer

o

~ l d n grwp

SpedHmbn

Plasticizer shall comply with BS 4887.

10.2.8 Bonding Agent


015-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 S 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).

10.3.2 Cement Plaster

Sheet

9

of

69

QKOC

r rg jMng nwp

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.


015-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

~

.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 015-XH-1005).



11.2

Materials

Eng/ ng roup

11 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.


015-RH-1001

11 2 3 Epoxy paint shall be supplied by the Company-Approved

Manufacturer.

1

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)

heet

40

o

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

~Ihedngrwp

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 umber

015 RH 1001

g.

t

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

11.4.2 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.

t 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-ApprovedManufacturer 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.



pecification

Number Rev Date Sheet

WMW

Grwp

015 RH 1001 1

5 8 94

42 of

69

4.4 App lication Generally

All paints shall be applied in accordance with the

recommendations of the Company-Approved Manufacturer.

All primers shall be applied b y brush.

Subseq uent coats m ay be applied by brush, roller, o r airless

spray. If spray is adopted, th e size o f jet an d pressure shall

be suitable for the type of paint, any overspray shall be

carefully cleaned off.

No priming coat shall be applied unti l the surface has been

inspected and the preparatory w or k has been carried out. No

undercoats or f inishing coats shall be applied unti l the

previou s co at has been similarly inspected.

Each coa t o f p aint shall be al lowe d to dry and harden before

the next is applied, but subsequent coats shall be applied

within the period speci f ied by the Company-Approved

Manufacturer of the paint as necessary to secure a proper

bond wi th the previous coat.

Where necessary, each coat shall be l ightly rubbed d o w n w ith

f ine sandpaper before applying the fol low ing coat.

No consecutive coats of paint shall be of exactly the same

shade. Where doubt exists as to acceptable pigmentat ion to

achieve sl ight dif ferences o f shade, the Com pany-Approve d

Man ufacturer of the paint shall be consulted.

The surfaces to be coated and the f inish t o each shall be as

specified in the schedule of paint ing.

External finishes shall generally b y gloss, and internal finishes

shall generally be satin or semi-gloss finish.

11.4.5

The colour scheme shall be subm itted for Company approval we ll

ahead of commencem ent of work.

1.4.6 Finishing

All painting shall be finished free of tears, runs, blisters, dimpling,

th in patches, ragged edges or orange peel effe ct.

11.5 Co m ~le t i on nd Makina Good



lronmongery and other fittings removed before commencement of

preparatory process shall be cleaned and refixed in position upon

completion of painting.

QKK

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11.6 Paint Svstem for Particular Surfaces

11.6.1 Steel


01 5-RH-1001

Refer to the Engineering Group Specification entitled Shop and

Field Painting (Number 015-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

9

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.



11.6.7 Steel Frames and Doors

wJhwing

nwp

a. One coat oil base undercoat.

b.

Two coats of decorative gloss finish.


1

5-RH-1001

11.6.8

Plastered Walls (Internal)

a.

One coat oil base undercoat.

Rev

1

b.

Two coats decorative gloss finish.

11.6.9 Plastered Walls External

Date

5-8-94

a.

One coat diluted emulsion paint.

Sheet

44 of 69

b.

Two coats external quality emulsion paint.

1 2 . 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 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.



nginwing rwp


Rev

ate Sheet

SpeMmtbn

01 5 RH 1001 1 5 8 94 45

of

69

12.2.2 Anti-Static Vinyl Floor Tiles

The tiles shall be 3 mm thick, complying with BS 3261, Part 1B,

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.

12.2.4 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.

12.2.6 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


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.

pecificationNumber

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

ate

5 8 94

or surface dusting.

12 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

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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.


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

n g fM n g

rwp

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

2 °C from 8 hours prior to commencement of this

work to at least 8 hours after its completion.

SpecificationNumber

0 15 RH 1001

Tiles shall be layed in chequerboard fashion, square

with room axis, wi th 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.

ev

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.

ate

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

4 8 of 6 9

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 wi th surrounding

tiles shall be adjusted in a manner recommended by

the Company-Approved Manufacturer s instructions.

n g i d n g rwp

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 wi th 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.


01 5 RH 1001

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 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

13.1 General

This section describes proprietary drywall partition system.

13.2 Materials

13.2.1 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.

n g i d n g Grwp

13.2.2 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 umber

0 15 RH 1001

b. Gap within dry wall partitions shall be filled wi th 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.

ate

5 8 94

13.3.1 The drywall partition system shall be installed strictly in accordance

with the Company-Approved Manufacturer s instructions.

heet

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.

1 4 .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 rwp

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 S 2989

type G275 with minimum zinc coating weight 275 g/m2 otal both

sides.

14.2.3 Pretreatment

Specification umber

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

5 1

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 S 2989.



c. Pre-engineered building internal lining panel system wi th

colomet paint finish shall be of the type as fabricated by the


14.2.9

Thermal Properties

Eng/ ng Grwp

To obtain thermal value 0.1 1 Btu in the roof and wall

cladding. Sq/FtI0FIHr

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 wi th 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.

Exposed or Cut Edges

Date

5 8 94

In highly corrosive areas as indicated by the Company, edges shall

be treated with two-pack polyurethane coating supplied by the


Sheet

52 of 69

14.2.14

Translucent sheets shall be manufactured from high-quality

glass-reinforced plastic and shall comply with BS

41 54

parts

1 and

2

14.2.15 Paints

All the paints and primers for metal cladding shall be as

manufactured by the Company-Approved Manufacturer.

a. Anti-corrosive pigmented epoxy primer.

b. Epoxy barrier paint with flexibliser compounds.

c.

Urethane pigmented paint: off-white colour.

d. Polyester pigmented paint in standard off-white colour.



14.2.16

Samples of the metal cladding, 300 mm long by full width of

sheet and samples of all accessories shall be submitted to the

Company for approval.

QKOCspdncdM

rrgiMng

rwp

1 4 3 Performance Criteria

The roof and wall cladding system shall meet or exceed test performance

requirements as listed below:

-


015 RH 1001

14.3.1 Physical and Environmental

a. Humidity Resistance ASTM D-2247-68: Test sample exposed

to 100 relative humidity at 38OC for 1000 hours no

effect.

Rev

1

b. Abrasion Resistance (falling sand method) ASTM D-968: Test

determines the

number of litres of sand (under controlled

conditions) required to abrade through the sample's coating

system exposing bare metal (375 minimum requirement).

14.3.2 Chemical and Environmental

Date

5 8 94

Kesternich Pollution Resistance Test DIN 50018: Samples

exposed to 30 test cycles, each consisting of 8 hours at

40°C in controlled sulphur dioxide (SO21 atmosphere at 100

relative humidity, followed by 16 hours of drying at ambient

temperature. At the conclusion of the test, no blisters shall

be apparent, and edge delamination shall not exceed 1-2 mm.

Sheet

53 of

69

Coating System Integrity Salt Fog ASTM B-117: Test samples

continuously exposed to 5 salt fog at 35OC for 1000 hours.

All samples scribed to expose the underlying metal before

testing. All panels shall be inspected in accordance with

ASTM D-714 to evaluate results. No defects shall be

observed.

Aesthetic

Requirements for colour change and fade resistance are based

on the Emmaqua Exposure test: Test samples are exposed

for

a

minimum of 800,000 Langleys of solar radiation on an

equatorial mount (following the sun) with reflecting mirrors for

concentration of sunlight and 8 minutes of water spray each

sunny hour. An exposure of 800,000 Langleys is equal to

approximately 6 years exposure 45O angle in Florida.

Maximum colour change not to exceed 2.0 NBS units.



14.4.1 Cladding shall be erected according to the shop/installation

Drawings and in accordance with the Company-Approved

Manufacturer s instructions.

ngimwdngGnwp

14.4.2 All roof joints shall be sealed, and no lap joints shall be less than

150 mm.

14.4.3 Roof sheets shall have fixings on every corrugation at sheet ends.


015-RH-1001

a.

Wall sheeting shall have fixings in every valley at sheet ends.

b. Side lap stitching shall be at 450 mm c/c minimum.

Rev

1

c. The minimum number of fixings across the width of a

cladding panel shall be three at each support purlin or rail.

d.

Diameter and spacing of fixings shall be determined by the

Contractor to resist design wind loads and shall be approved

by the Company.

Date

5-8-94

14.4.4 Cladding elements shall be properly seated and aligned with

neighbouring elements. Flashings and fixings shall be straight and

in line.

Sheet

54 of 69

14.4.5 Cladding panels shall be protected from factory to installation and

thereafter protected from damage in place. Methods of protection

shall be approved by the Company.

14.4.6 The whole installation shall be cleaned down and any damage shall

be relified prior to building handover.

1 5 0 SUSPENDED CEILINGS

15 1 General

This section describes the proprietary suspended ceiling system.

15.1.1 Design

a. Ceiling finishes in circulation areas shall comply with Class

surface spread of flame defined in BS 476.

b. Other rooms shall comply with Class 1, except those of less

than 30 sq.m which can be Class 3.

c. The suspended ceiling system shall have a 2-hour fire

certificate from a recognised Company-approved test

establishment to BS 476, Part 8.



d.

All materials and components shall not give off toxic vapour

when subject to a flame.

EllgIMi Oljng

Gmup

n

e.

The suspended ceiling system shall be an exposed grid, lay-in

tile system on 600x600 module having modular light fittings

and vent terminals. 600x600~15-mm-thick coustic tiles and

ceiling system shall be as manufactured by the Company-

Approved Manufacturer.

15 2 Materials


01~ RH IOOI

Ceiling tiles shall generally be insert non-combustible, non-reflecting

acoustic mineral fibre tiles with a self-finish appropriate for their

use with a minimum noise reduction factor (NRC) of 0.4 (The NRC

is the average of sound absorption from 250 HZ to 2000 HZ.) Wet

or steam areas shall be waterproof and washable. Test are to DIN

52212

Suspension systems shall be exposed inverted T lay-in system or

equal. Details shall comply with BS 476 Fire Test on building

material and structure, and shall be rigidly restrained to prevent

collapse in the event of an explosion.

Rev

1

All concealed grid components shall be in zinc-coated or galvanised

pressed steel sections, secured to the underside of the roof by pre-

straightened wire or angle section hangers, set at 1200-mm-

maximum centres. Pre-formed channels, retaining clips, caps

accessories, main runner and cross T-bar shall be fixed strictly in


instruction to complete the installation.

Components exposed to

view shall be finished in off-white enamel.

Access panels shall be installed in locations to be determined at

Site during the installation to suit the access requirements of fire

dampers and pipework valves, etc.

The access panels shall be

clearly marked for identification and will be used at the time of

commissioning of the HVAC system.

All cable runs, ducting and

plumbing installations above ceiling level, shall be carried out prior

to the fixing in of the ceilings.

Date

5 8 94

Fire and smoke barrier shall be glass fibre insulation mat stiched

with 25-mm galvanised wire mesh on one side and shall comply

with BS 476, Parts 4 and

8.

Barrier shall be provided at every 12-

m centres.

Sheet

55

of 6 9

The fire barrier shall be fixed in place and trimmed around ducts

and pipes strictly in accordance with the Company-Approved

Manufacturer s details.



15.3 Workmanshin

ngidngGrwp

n

15.3.1 Fire barrier shall be applied as hanging curtain, continously

supported and secured at the structural soffit and allowed to drop

freely at the base. All fixings shall be carried out in accordance

with the Company Approved Manufactuer s recommendations.

15.3.2 The complete installation shall be carried out in accordance with

the Company-Approved Manufacturer s recommendations, great

care being taken to ensure that during the initial setting out, the

correct levels are established so as to achieve the desired effect

with a true and level surface to the ceilings.


015 RH 1001

16 0 RAISED ACCESS FLOORING

16 1 General

Rev

This section describes proprietary raised access flooring system.

16 2 Desian of Access Floor

Date

5 8 94

16.2.1 The access floor construction shall be non-combustible, having a

Class

0

spread of flame rating defined in

S

476 on the underside

(void), and Class 1 on the floor of the room.

Sheet

56

of

69

16.2.2 Raised access flooring shall be comprise modular panels with an

elevated supporting system forming an accessible underfloor

cavity.

16.2.3 The support system shall be such that the floor panels are fully

supported on all edges and braced so that no movement occurs

when panels are taken up.

16.2.4 The floor shall be designed to resist fire, and provide adequate

thermal insulation for a 2-hour period in the event of fire developing

in the void below.

16.2.5 The entire cavity floor and support structure shall be provided with

an earthing system.

16.2.6 Panels shall be 600 mm or 750 mm square, nominal size,

interchangeable, easily placed and removable by a portable lifting

device.

16.2.7 The flooring system shall be especially developed for heavy loading

and shall be capable of supporting a concentrated load of 4.5 kN

or a distributed load of 20 kN/m2 with a maximum deflection of 1

mm.



16.2.8

The floor design shall be provided with additional supports under

all equipment in control rooms and instrument rooms as to

recommendation by the Company-Approved Manufacturer.

E g / M n g Grwp

SpcMwion

16.2. 9

Emergency access for firefighting to the underfloor void shall be

provided via panels with permanently attached recess lifting

devices.

16.2.10

Fire and smoke barriers shall be provided in the cavity flooring

voids and shall comply with S

476.


015-RH-1001

16.3

Materials

16.3.1

The interchangeable panels of the floor shall be constructed from

galvanised steel base tray, high-density processed aminated panels

from particle board

38 mm

thick finished with anti-static 3-mm

PVC sheets or carpet tiles on

a

steel top plate. The panels shall be

supported on steel columns with plates providing lateral locking.

Rev

1

16.3.2

The flooring shall be sealed all around against dampness, rotting

and fire.

The flooring system shall be assembled strictly in accordance with the

Company-Approved Manufacturer s instructions. The pedestal bases shall

be mechanically anchored to the under slab. The installed floor surface

shall be true within

2.5

mm over the entire floor area and within

1.5

mm

in any 3-m distance. When finally assembled, the floor shall be rigid and

free from vibration, rocking, rattle and squeaking.

Date

5-8-94

17.0 S NIT R Y INST L L TION

Sheet

7 of 69

17.1

General

This section describes sanitary fittings and plumbing.

17.1 1

Building Drainage

Each waste from a run of fittings shall be rodable from an

accessible cleaning eye.

17.1.2

All pipe systems shall be pressure tested and passed prior to

closing-in or insulation being applied.

17.2

Materialg

All sanitary fittings shall comply with BS

3402.

Sanitary fitt ings and their

connections, services, waste, etc. shall be located and shown on the



Drawings and shall be designed and installed to the satisfaction of the

Company. The colour shall be agreed to and approved by the Company.

The quality and sizes of the fittings shall comply with BS 3402.


015-RH-1001

17.2.1 Washbasins

Basins shall be pedestal type of vitreous china fitted with

chromium plated single hole monobloc mixer valve with pop-up

waste. Nominal size of wash basin 560 mm x 455 mm.

Rev

1

17.2.2 Vanity Unit and Basins

Vanity basins shall be top range supplied and fixed as per the

Approved Manufacturer s instructions. Basins shall be fitted with

chromium-plated, single-hole monobloc mixer valve with pop-up

waste. Nominal size of wash basin 560 mm x 450 mm shall be

supplied by the Company-Approved Manufacturer. Colour scheme


ate

5-8-94

17.2.3 Stainless Steel Sink

Sheet

58

of

69

a.

Double drainer stainless steel sink with fittings shall comply

with BS 1244.

b.

Stainless steel sink shall have twin tap holes with overflow

and chained waste plug:

Taps for the Sink

1. Chrome-plated, deck-mounted mixer.

2.

Chrome-plated laboratory range, deck-mounted piller mixer

with 150-mm levers and swivel nozzle.

17.2.4 Cleaners Sink

a.

Cleaners sink shall be low-level wall-mounted heavy-duty type

with 305-mm-high splash-back, stainless steel bucket grating

and hardwood pad. Nominal size of sink 510 mm x 380 mm.

b. Sink shall be provided with 1 K-in. unslotted strainer waste

and K-in. inclined bib taps.

17.2.5 Western Water Closet (WC)

a. Western WC suites shall comprise glazed fireclay pan

complying with BS 5503, weighing approximately 20 kg and

having S or trap with minimum 88-mm bore outlets, 11-1

capacity, low-level, white-glazed flushing cistern, fixed to



QKOC

ngldng roup

Specification Number Rev Date

Sheet

n

015-RH-1001

1

5-8-94 59

of

69

walls with cantilever brackets or concealed fixings 32-mm

(high-level) or 38-mm (low-level) diameter flush pipe, non-

corroding valveless syphon, 12-mm low-pressure ball valve

and union, 19-mm overflow and union, either flushing handle

or pull and chain, and wi th double-flap solid section plastic

ring seat complying with BS 1254.

b. WC shall be supplied with one freshwater point and flexible

hose with lever action spray valve.

17.2.6 Asiatic WC

a. Asiatic WC suites shall be seawater resistant and shall

comprise white-glazed squatting slab, pan, S or trap with

minimum 88-mm bore outlet, 11 I capacity, high or low level,

white-glazed fireclay or plastic flushing cistern fixed to walls

with cantilever brackets or concealed fixing, 32-mm (high-

level) or 38-mm (low-level) diameter flush pipes, non-

corroding valveless syphon, 12-mm low-pressure ball valve

and union, 19-mm overflow and union, and either flushing

handle or pull and chain. A flush valve may be installed

instead of the flushing arrangements described above, if

required.

b.

WC shall be supplied with one freshwater point and flexible

hose with lever action spray valve.

17.2.7 Shower Trays

Shower tray shall be enamelled fireclay, 900 mm x 900 mm x

150 mm deep, overall floor mounted, wi th a 38-mm-diameter

waste outlet, a mixer valve and spray head with associated

concealed pipework.

17.2.8 Urinals

Urinals shall be 500 mm of vitreous china

single-unit, wall-

mounted type with screen. Each range of urinals shall include a

comparable set of chronium-plated flush pipe, spreaders and a high

level automatic flushing system. All the fittings shall be concealed

type.

17.2.9 Sanitary fittings shall be top of the range as by the Company-


17.2.10

Flushing cisterns and flush pipes shall comply with BS 1125.

Ball valves shall comply with BS 1212 and be marked with

the Company-Approved Manufacturer s name or trademark.

Floats shall comply with BS 2456 and shall be marked with



the Company-Approved Manufacturer s name or trademark.

A Company-Approved Manufacturer s certificate testifying

that the flushing cisterns comply with BS 1125 shall be

submitted for Company approval.

n g l d n g

Gtwp

17.2.1 1 Storage Cistern

l

a.

Water cisterns shall be of a capacity capable of providing

sufficient water for all hot and cold drawoffs over a 12-hour

period.


5 RH

b.

Water storage tanks shall be of fibre glass and supported on

steel profile supports.

c. Overflow, distribution and filler pipes shall be connected to

the sides of tanks, and washout pipes shall be connected to

the bases of tanks. Such connections shall be by backnuts

and gaskets. Overflow pipes shall be at least one commercial

size larger than filler pipes and shall have flywire caps, and

shall be complete with a suitable device to prevent the entry

of insects. Overflow pipes shall be fitted 30 to 40 mm lower

than filler pipes.

Rev

1

17.2.12 Electric Hot Water Heaters

250-V, single- phase, 8-kW electric hot water heater shall be of the

instantaneous pressure type with an expansion pipe to the open

air. All tanks and pipework shall be of copper. All other areas shall

be protected against rusting and corrosion. Water heaters shall be

isolated from all supply and service pipes by stop cocks. The

installation shall be suitable for the available mains pressure.

Date

5 8 94

17.2.13 WC Cubicles

Sheet

60

of

69

a. The cubicles and doors shall be in durable laminate panelling

system.

b.

Fittings: Doors, panels, trims, and ironmongery all shall be

from one supplier to maintain high standard of finish.

17.3.1 Washbasins shall be mounted on pedestal and screwed to the wall

through back of basin with two screws. Washbasins shall be

neatly sealed with flexible sealant against the tile.

17.3.2 Enamelled fireclay shower trays shall be levelled to tile coursing

and grouted in mortar. Mixer valve and riser to showerhead shall

be chased into the masonry wall. Shower tray, mixer valve and



showerhead shall be neatly sealed with flexible sealant against the

tiles. Shower rails shall be set so that curtains fall over the shower

tray.

rrsidng w

17.3.3 Sanitary Appliances

a.

Installation of sanitary appliances shall comply with

S

6465

and the regulations and standard set by the Local Water

Authority.

Speciflcatlon Number

015-RH-1001

b.

All protective paper etc. shall be removed, and the sanitary

fittings shall be left in a clean condition.

c. All sanitary fittings shall be carefully protected against misuse

by workmen engaged on the Works and any defective, soiled

or broken fittings shall be replaced.

Rev

17.3.4 Hot and Cold Water Services

Hot and cold water distribution pipe runs shall be designed for a

pressure of 9.8 kg/cm2 120 Ibslsq. in.) and shall be of copper tube

capillary solder-type fittings). Stop valves in distribution pipe runs

shall be brass screw-down valves, suitable for the water

distribution pipe used.

ate

5-8-94

a. Fixing Copper Pipe Runs

Sheet

61

of

69

1.

Pipes shall be positioned in as neat and inconspicuous

a manner as possible and shall not obstruct fixtures

by others. Unless otherwise specified, cold water

pipes shall be positioned below hot water pipes and

shall have anti-condensation insulation. All pipes shall

be run only horizontally or vertically.

2. Copper pipe shall be supported by pipe clips at

intervals not greater than stated below:

a.

12-mm diameter 1.25 m apart.

b.


c.


b. Copper Overflow Pipes

Copper overflow pipes from WC and urinal cisterns shall

discharge from an easily visible positions, being cut off

obliquely to form a free-running spout. They shall not be less



in diameter than that of a cistern supply inlet and shall be laid

to a fall of not less than

6

mm in 300 mm.

c. Pipes Through Walls, Etc.

Hot water pipes through walls and floors of solid

constructions shall be sleeved by means of a light

gauge copper tube. The sleeve shall permit a

clearance all round the service pipe and shall extend

for the full thickness of the penetration including any

applied finishes. Rockwool caulking shall be provided

between the sleeve and service pipe and sealed by an

approved sealant.

2

All copper pipe and fittings shall be protected from

damage at all times and be left in a clear, unmarked

condition at the completion of the Works.

d. Expansion

Suitable allowance shall be made for expansion, and pockets

where air can accumulate must be eliminated.

e. Sterilization of the Installation

Upon the completion of any new potable water installation, or

repair work carried out to potable water service distribution

lines or storage cisterns, the complete installation shall be

sterilised.

17.3.5 Drainage

Pipe and fittings for laboratory or other similar areas shall be

polypropylene and shall comply with BS 4991.

Pipe and fittings shall be in UPVC and shall comply with BS

4514 and shall be connected using solvent-welded joints.

WC outlets shall be connected using Company-Approved

Manufacturer s connectors.

UPVC pipe and fittings shall be assembled, fitted and

supported in accordance with the Company-Approved

Manufacturer s recommendations. Horizontal pipe runs shall

be laid to a minimum slope of

1

in 50 unless otherwise

specified.

Drainage pipes laid under the ground floor slab shall be UPVC

in accordance with BS 4660, and shall extend a distance of



1.5 m beyond the building line. The pipes shall be bedded

and surrounded in selected granular fill.

All pipes passing through walls floors or foundations shall be

sleeved by means of steel and plastic tube which shall finish

flush with outside face of wall floor or foundation.

Sheet

63

of

69

The void between the pipework and the sleeve shall be

caulked at each end to provide efficient seals.

Date

5-8-94

M

ngil~estYng

Gnwp

n

All pipework shall be in the maximum length possible to avoid

unnecessary jointing. Joints in all types of pipework shall be

perfectly smooth inside without any burrs or blemishes.

All bends shall be swept bands; no elbows shall be used. All

tees shall be swept tees.


5 RH

1

17.3.6 Colour Coding

All plumbing pipework shall be colour coded as follows:

Rev

1

All water pipes to be coloured green to all exposed portions.

Potable water shall have a 100-mm-wide band of blue and hot

water shall have a 100-mm-wide band of red applied to points

as directed. Non-potable water shall have a 300-mm-wide

band of white applied to parts as directed with cold water to

have an additional 100-mm-wide band of blue applied.

All drainage pipes to be coloured black to all exposed

portions.

All natural gas pipes to be coloured yellow ochre to all

exposed portions.

All compressed air pipes to be coloured light blue to all

exposed portions.

Bands of identifying colour shall be placed at all junctions at

both side of valves service appliances bulkheads wall

penetrations and other places as directed.

3.7 Cleaning

The Contractor shall carefully clean out all cold water and hot

water tanks service pipes sanitary fittings throughout traps and

wastes. The Contractor shall also overhaul and make good all

flushing valves check regulating valves check taps including re-

washering as necessary and leave all works in perfectly clean

working condition.



18.0 FIXTURES AND FITTINGS

ng IWng Gmup

18.1

General

a. Mirrors


015 RH 1001

This section describes free standing and fittings which are fixed to a

structure.

18.2 Materials and Workmanship

Rev

1

18.2.1 All washbasins shall be provided with a mirror and glass shelf

supported on chrome brackets.

1. Mirror shall be 6-mm-thick plate SG quality with

ground and polished edges silvered and lacquered

holed and fixed with cp dome-head screws with

rubber buffers.

Date

5 8 94

2

400 mm-wide x 500 mm-high mirror to BS 952.

Sheet

64

of

69

b. Glass Shelf

Glass shelf shall be 6-mm-thick glass shelf supported on

chrome brackets to BS 952.

18.2.2 Coat Hooks

All water-served outlets such as showers and washbasins shall be

provided with two coat hooks adjacent at height of 1.8 m. Coat

hook with rubber buffer aluminum finish or similar.

18.2.3 Soap Dispensers

All washbasins shall be provided with soap dispensers.

18.2.4 Paper Towel Dispensers

All washbasin and sink locations shall be provided with paper towel

dispenser adjacent to the fitting at height of 1.4 m or to suit the

design.

18.2.5 Trash Containers

All toilet areas shall be provided with trash containers:

a.

One in all toilet compartments.

b. Two outside toilet compartments.



18 2 6

Shower Curtains

The opening to each shower facility shall be provided with a rail

runner hooks and plastic shower curtains or folding door-type

fittings.

18 2 7

Toilet Roll Holder

All Western toilet compartments shall be provided with locking-

type toilet roll holder in aluminium finish.

18 3

Furniture

18 3 1 Furniture and Equipment for Pantry

ngimwfng rwp

Base units wall units and continuous projecting worktop shall

be from a good-quality commercial range manufactured from

laminate-faced compressed impregnated particle board such

as MDR insect and acid resistant.

A range of base units with shelves and drawer units shall be

provided below a laminate-faced continuous projecting

worktop.

Specification umber

0 15 RH 1001

range of wall units with shelves shall be provided on the

wall at a height of

600

mm above the worktop.

The whole installation shall present continuous impervious

laminate faces capable of complete washdown and complete

with all necessary ironmongery.

Rev

1

Range and colour scheme shall be submitted for approval to

the Company.

18 3 2 Refrigerator

The refrigerator shall be under-counter type.

18 3 3

Hot Plate

Hot plate shall be built within worktop.

18 3 4

Water Cooler

Date

5 8 94

Water cooler shall be wall-mounted stainless steel water cooler

wi th matching cup dispenser/disposal unit fittings and drainage

outlet.

Sheet

65

of

69



18.3.5 The design and finish of all the appliances shall be submitted for

approval to the Company.

ngintwdng nwp

18.3.6 Laboratory furniture and equipment shall comprise the following:

a.

Base units wall units and continuous projecting worktop shall

be from a high-quality laboratory range insect-and acid-

resistant type.


015 RH 1001

b

A range of base units with shelves drawer units and units

with locks provided below the worktop.

c.

A range of wall units with shelves and locks shall be provided

above the worktop.

Rev

1

d.

The whole installation shall present continuous impervious

laminate faces capable of complete laboratory standards and

complete with all necessary ironmongery.

18.3.7 Fume Cupboard

Date

5 8 94

a. Standard toughened glass bench mounting fume cupboard

with protected back and roof ends. Baffle glazed panel to

roof with fluorescent light. Fume cupboard shall be by the


Sheet

66 of 69

b.

Fume cupboard shall be supplied with control panel with

fittings for services inside the cupboard as gas nozzle gas

cock control 300x400-mm acid-resisting sink waste switch

for fluorescent light and a portable free-standing emergency

eye shower with water reservoir including hand-held spray.

c. Provide and fix flue for connection to fume cupboard with

extract system.

d. Electrical fittings and motors for fume cupboard shall be

explosion proof type and suitable for 250-V single-phase

supply.

18.3.8 All laboratorylpantry furniture and fittings shall be designed and

submitted for approval to the Company.

18.3.9 Tables

a. Dining Table

Table shall be approximately 1700 x 800 x 780-mm high

having welded steel tube or square tube frame finished in



18.3.1 1 Lockers

Lockers shall be in steel with laminate finish, water repellant,

scratch, rust resistant, and maintenance free. Lockers shall be

provided with stainless steel hinges allowing opening up to 180°

and lock with keys. Colours and finish shall be submitted to the

Company for approval.

chrome, stove enamel or powder coating. The finish shall be

approved by the Company.

Sheet

67 of 69

b. Office Tables

Date

5-8-94

1.

Tables shall be approximately 1800 x 800 x 780-mm

welded steel tube or square tube frame finished in

chrome stove enamel or powder coating. The finish


Rev

1

QKOC

n g d n g

nzup

2

The tabletop shall be of particle board or medium

density fibreboard MDF) faced with plastic laminate

to top and edges with balancing laminate below. The

finish to be approved by the Company.


015-RH-1001

18.3.10 Chairs

a. Dining Chairs

Chairs shall be approximately 450 mm high, having welded

steel tube frame finished in chrome, stove enamel or powder

coat. Seats and backs shall be non-toxic, non-combustible

closed cell foam on metal or flame-retardant plywood-formed

base, faced with flame-resistant open-weave fabric. The

finish shall be approved by the Company.

b. Office Chairs

Chairs shall be high back executive type with deep, non-toxic,

non-combustible, flame-resistant, and open-weave fabric

cushioning with gas lift height adjustment, t lt unit and

chrome finish baselcastors.

c. Training Area Chairs

Chairs shall be medium height back with deep, non-toxic,

non-combustible, flame-resistant, and open-weave fabric

cushioning with gas lift height and adjustment, t lt unit and

chrome finish base castors. Type and finish shall be approved

by the Company.



18.3.17 TV Monitor

a. The TV monitor shall be of 28-in. screen included with

stereo teletext fully remote control and capable of

connecting latest video cassette recorder.

Sheet

68

of 9

b

Free-standing stand shall be of the type to mount TV monitor

and video recorder.

ngl~weting

rwp

18.3.12 Island Bench

Rev

1


015-RH-1001

Single-width island bench seat shall be supplied with shoe shelf.

Island bench height shall be 435 mm width 465 mm. Colour and

finish shall be submitted to the Company for approval.

Date

5 8 94

Writing Board

Fixed dry writing board shall be porcelained enamelled steel

with curved-edges frame in aluminium finish.

Size of the board shall be 203 mm x 1230 mm.

Fixed dry writing board shall be provided with exclusive

range detachable penshelf. Size of penshelf: 1914 mm.

All fixtures fittings and accessories shall be provided for the

fixed dry writing board and penshelf.

Overhead Projector

The overhead projector shall be of the type suitable for all

types of rooms and where the projector can be placed as near

to the projection screen as possible.

The overhead projector shall be furnished with a folding arm

so that the projector can be kept inside a cabinet dual

lamps 300 mm 3-lens system to achieve better brightness.

Projector Screen

The projector screen shall be roll-down ceiling or wall-mounting

type included with all fixtures and fittings.

Size: 1780 mm x 1780 mm.

18.3.16 Overhead Projector Trolley

The overhead projector trolley shall be in chrome metal finish with

two wheels and two shelves.

Size: 760 mm high x 400 mm deep.



18.3.18 Video Cassette Recorder

Video cassette recorder shall be of the super VHS system included

with stereo, full remote control and camera input facility.

18.3.19 Filing Cabinets

Free-standing iling cabinet shall be 1500 mm high x 600 mm deep

in metal construction with four drawers. Colour and finish shall be

submitted to the Company for approval.

18 .4 Internal Stair Handrailing

Handrailing shall be painted steel system including balustrading and all

fixings for concrete staircase. Handrail to be 1 m high, with centre rail,

curved ends and 150-mm kicking plates, and withstand an overturning

force of 0.74 khlm or 0.5 kn at any point.

18 .5 Timber Dado Rail

100 x 38-mm polished hardwood timber Dado rails to all walls in control

room and offices approximately 1

m

from finish floor level.

18.6 Louvres

18.6.1 Louvre Screen

The louvre screen shall be in extruded profile anodised aluminium,

supplied with all fixtureslfitting and access door. All shall be

approved by the Company.

18.6.2 Sand Trap Louvres

Sand trap louvres shall be vertical channel metal louvre blades to

provide weather resistance, BSC colour coated, PVf2 coated steel

with removable insect screen panels from inside or similar. All


19 .0 PACKING MARKING AND DOCUMENTATION


015-RH-1001

Rev

1

ate

5 8 94

Sheet

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Documents

015-RH-1001 (Architectural Building Materials, Finishes and Fittings)