-
u r '
(A. fb. & ) a f l t u u KUWAIT OIL COMPANY (K.S.C.)
Engineering Group
Specifics tion Number 0 15-RH- 100 1
Architectural Building Materials, Finishes and Fittings
1
0
Rev Client
5 AUG 94
7 MAR 93
Date PE Chkd
ISSUED AS KOC ENG GROUP SPEC
ISSUED FOR INVITATION TO BID
Revision Section BY
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CONTENTS
QKK- EwJdng Grwp
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . SCOPE 5
STANDARD SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 5
Specification Number
01 5-RH-1001
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . SERVICE CONDITIONS 13
MASONRY . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 13 . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 General
13
4.2 Fire Resistance . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 14 4.3 Movement Joint . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.4
Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 4.5 Workmanship 18 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . 4.6 Test Specimen 23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 4.7 Conclusion 23
Rev
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . FLOOR SCREEDS 23 . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . 5.1 General
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 5.2 Design of Screeds 23 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . 5.3 Materials 25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 5.4 Workmanship 25
ROOFING . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 26 . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 General
26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 6.2 Materials 27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 6.3 Workmanship 28 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . 6.4 Testing 29
Date
5-8-94
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . RAINWATER SYSTEM 29 . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 7.1 General 29 . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 7.2 Materials 29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 7.3 Workmanship 30
Sheet
2 of 69
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DOORS AND IRONMONGERY 30 . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 8.1 General 30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 8.2 Locks 30 . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 8.3 External Doors 30 . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 8.4 Internal Doors 3 1
8.5 lronmongery and Door Furniture for Internal Doors . . . . .
. . . . . . . . 3 2 . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 8 .6 Workmanship 33
WINDOWS AND GLAZING . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 34 . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 9.1 General 34
9.2 Materials . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 34 9.3 Workmanship . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 10.0 PLASTERING 37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 10.1 General 37 . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . 10.2 Materials
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 10.3 Workmanship 38
E n g l d n g G w
11.0 PAINTING . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . 39 . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.1
General 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . 11.2 Materials 39
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 1 1.3 Surface Preparation 40 . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 11.4 Applications
41
. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.5
Completion and Making Good 42 . . . . . . . . . . . . . . . . . . .
. . . 1 1.6 Paint System for Particular Surfaces 43
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.0 FLOOR AND WALL FINISHES 44 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . 12.1 General 44 . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 12.2 Materials 44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 12.3 Workmanship 46
Specification Number
01 5-RH-1001
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 13.0 DRYWALL PARTITIONS 49 . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . 13.1 General 49 .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 13.2 Materials 49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 13.3 Workmanship 50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 14.0 METAL CLADDING 50 . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . 14.1 General 50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 14.2 Materials 50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 14.3 Performance Criteria 52 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . 14.4 Workmanship 53
Rev
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 15.0 SUSPENDED CEILINGS 54 . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . 15.1 General 54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 15.2 Materials 54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 15.3 Workmanship 55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16.0 RAISED ACCESS FLOORING 56 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . 16.1 General 56
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16.2 Design of Access Floor 56 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . 16.3 Materials 56
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 16.4 Workmanship 57
Date
5-8-94
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 17.0 SANITARY INSTALLATION 57 . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . 17.1 General 57 . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 17.2 Materials 57
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 17.3 Workmanship 60
Sheet
3 of 69
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 18.0 FIXTURES AND FITTINGS 63 . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . 18.1 General
63
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18.2
Materials and Workmanship 63 . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 18.3 Furniture 64
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Eng/I)O(WJng Gtwp Spedkafhn
18.4 Internal Stair Handrailing . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 68 18.5 Timber Dado Rail . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 18.6
Louvres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 6 9
19.0 PACKING. MARKING AND DOCUMENTATION . . . . . . . . . . . .
. . . . . . . . 69
20.0 SPARE PARTS AND MAINTENANCE REQUIREMENTS . . . . . . . . .
. . . . . 6 9
N 1 2-0095
Spedfi~Mi~n Number
01 5-RH-1001 Rev
1
Date
5-8-94
Sheet
4 of 69
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1.0 SCOPE
1 .I This specification covers the design, supply of materials
and construction of architectural finishes for installation at the
Facility in Kuwait.
QKOC- E~lgiWng GRwp
1.2 The architectural building materials, finishes and fittings
shall fully comply with all relevant contractual requirements
specified in the Scope of Work and Technical Specification of the
Contract.
Rev
1
Specification Number
01 5-RH-1001
1.3 All finishes shall be subject to Company approval. 2.0
STANDARD SPECIFICATIONS
2.1 The architectural materials, finishes and fitting shall
conform in design, materials and performance, except where
otherwise specified, with the current issue and amendments of the
following prevailing on the effective date of the Contract:
Date
5-8-94
2.1.1 International Standards
Sheet
5 of 69
ASTM A-36 Structural Steel
ASTM A-446 Test Method for Pipes
ASTM A-525 Zinc Coating
ASTM A-61 1 Steel Sheet
ASTM B-117 Test for Coating System Integrity
ASTM D-714 Test to Evaluate Results
ASTM D-968 Abrasion Resistance Test (Falling Sand Method) ASTM
D2247-68 Humidity Resistance Test
ASTM D-4021 GRP Storage TanksISeptic Tanks
AlSl Cold Formed Steel Structure Members
DIN 5221 2 Test for Non-Combustible/Mineral Fibre Material
DIN 50018 Kesternich Pollution Resistance Test
2.1.2 British Standards
BS 12 Portland Cement
-
Specification Number Rev Date Sheet rins GJWP Wn 01 5-RH-1001 1
5-8-94 6 of 69
BS 187
BS 242
BS 325
BS 381
BS 41 6
BS EN438
BS 459 Part 2 Part 3
BS 476 Part 4 Part 5 Part 6 Part 7 Part 8
BS 544
BS 576 Part 3
BS 729
BS 743
BS 747
BS 812
BS 864
BS 882
BS 890
BS 916
BS 952
Sand Lime Bricks
Linseed Oil Paints
Black Cup and Countersunk Bolts and Nuts
Colours for Identification, Coding and Special
Discharge and Ventilating Pipes and Fittings, Sandcast or Spun
in Cast Iron
Decorative High Pressure Laminate Sheets
Wooden doors Flush Doors Fire Check Doors
Fire Tests on Building Materials and Structures
Non-Combustibility Test for Materials Surface Spread of Flame of
Products Surface Spread of Flame of Products Surface Spread of
Flame of Products Test Methods and Criteria for the Fire Resistance
of Elements of Building Construction
Linseed Oil Putty for Use in Wooden Frames
External Fire Exposure Roof Test
Hot-Dip Galvanised Coating on liron and Steel
Materials for Damp-proof Courses
Roofing Felts
Sampling and Testing of Mineral Aggregates, Sands and
Fillers
Capillary and Compression Tube Fittings of Copper and Copper
Alloy
Aggregates From Natural Sources for Concrete
Building Limes
Black Bolts, Screws and Nuts
Glass for Glazing
-
BS 1010 Draw-off Taps and Stop Valves for Water Services
BS 1125 WC Flushing Cisterns
BS 1184 Copper and Copper Alloy Traps
BS 1186 Timber for and Workmanship in Joinery
BS 1191 Gypsum Building Plaster
BS 1 199 & 1200 Building Sands From Natural Sources
Nails
Synthetic Resin Adhesives for Wood
Fireclay Sinks
Wood Screws
Compact Type Float Operator Valves for WC Flushing Cistern
Hinges
Metal Ties for Cavity Walls
Metal Sinks for Domestic Purposes
Metal Door Frames (Steel) Plastic WC Seats
Glazed Ceramic Tiles and Tile Fittings
Application of Wood Preservatives
Knotting
Steel Lathing for Internal Plastering and External Rendering
Steel Plate, Sheet and Strip
Wrought Aluminium and Aluminium Alloys for General Engineering
Purposes
Zinc-Coated Hexagonal Steel Wire Netting
-
Fixing for Sheet, Roof and Wall Coverings
Waterproof Building Paper
Connectors
Fences
Float Operated Valves
Copper and Copper Alloy Tubes
Continuously Hot-Dip Zinc Coated Steel ahd Iron - Zinc Alloy
Coated Steel Flat Products
Tests for Water for Making Concrete
Semi-Flexible PVC Floor Tiles
Unbacked Flexible PVC flooring
Quality of Vitreous China Sanitary Appliances
Building and Construction Sealants
Expanded Polystyrene Boards
Methods of Test for Paints
Clay Bricks
Plastic Waste Pipes
Thermal Insulating Materials
Anodic Oxidation Coatings on Wrought Aluminum External
Architectural Applications
Sulphate Resisting Portland cement
Corrugated Plastic Translucent Sheets made from Thermosetting
Polyester Resin (Glass Fibre Reinforced) Self-Tapping Screws and
Metallic Drive Screws
Carbon Steel Bars for the Reinforcement of Concrete
Eng/&ng Grwp Specification Number
01 5-RH-1001
Rev
1
Date
5-8-94
Sheet
8o f 69
-
Hard Drawn Mild Steel Wire for Reinforcement of Concrete
Steel Fabric for the Reinforcement of the Concrete
UPVC Soil and Ventilating Pipes, Fittings and Accessories
Methods of Testing Mortars, Screeds and Plasters
Unplasticised Polyvinyl Chloride (UPVC) Rainwater Goods and
Accessories
UPVC Pipes and Plastics Fittings for Below- Ground Gravity
Drainage and Sewerage
Ready Mixed Aluminium Priming Paints for Wood
External and Internal Wood Doorsets, Door Leaves and Frames
Specification for Paint Colours for Building Purposes
Rigid Urethane Foam for Building Applications
Mortar Admixtures
Propylene Copolymer Pressure Pipes
Concrete Admixtures
Internal Non-Loadbearing Partitioning
Polypropylene Waste Pipe and Fittings
Thermoplastic Waste Pipe and Fittings
Structural Use of Timber
Bonding Agents for Use with Gypsum Plasters and Cement
Installation of Textile Floor Coverings
Method of Testing Windows
-
BS 5385
BS 5427
BS 5429
BS 5503
BS 5506
BS 5572
BS 5606
BS 5627
BS 5628
BS 5669
BS 5713
BS 5725
BS 5872
BS 5889
BS 5921
BS 5977 Part 2
BS 6073 Part 1
BS 61 50
BS 6222
BS 6262
Eh7JM-w Grwp
Wall and Floor Tiling
CP for Performance and Loading Criteria for Profiled
Sheeting
Specification Number
01 5-RH-1001
Internal Plastering
Vitreous China Washdown WC Pans with Horizontal Outlet
Rev
1
Wash Basins
Sanitary Pipework
Date
5-8-94
Guide to Accuracy in Buildings
Sheet
100f 69
Plastic Connectors for use with Horizontal Outlet Vitreous China
WC Pans
Use of Masonry
Particle Board
Specification for Hermetically Sealed Flat Double Glazing
Units
Panic Bolts and Panic Latches
Locks and Latches for Doors in Buildings
One - Part Gun Grade Silicone - Based Sealants
Methods for Determination of Size, Squareness and Straightness
of Edge of Textile Floor Covering Tiles
Specification for Prefabricated Lintels
Specification for Precast Concrete Masonry Units
Painting of Buildings
Domestic Kitchens Equipment
Glazing of Buildings
-
Fire Protection for Electronic Data Processing Installations
Shower Units
Drainage of Roofs and Paved Areas
Weather Test
Bitumen Damp Proof Courses for Masonry
Ceramic Floor and Wall Tiles
Beads for Internal Plastering and Dry Lining
Door Closers
Sanitary Installations
Steel Windows, Sills, Window Boards and Doors
Polyethylene Damp-Proof Courses for Masonry
Mastic Asphalt for Building
Thermal Insulation of Cavity Walls Using Man- made Mineral Fibre
Batts (Slabs) Black Polyethylene Pipe for Aboveground Use for
Portable Water
Mastic Asphalt for Building and Civil Engineering
Metal Hinges for Side Hanging Application
7.5 Litre WC Flushing Cistern
Galvanised Steel Studs and Channels for Stud and Sheet
Partitions and Hinge Using Screw Fixed Gypsum Wallboards
Workmanship on Building Sites
Structural Use of Concrete
Installation of Sheet and Tile Flooring
In-situ Flooring
Sheet
11 of69
Specification Number
01 5-RH-1001
- -
N 1 2-0095
Rev
1
Date
5-8-94
-
Part 1
BS 8204 Part 2
BS 8212
BS 8213
BS 8301
BS CP102
BS CP143
BS CP144
BS CP151
BS CP152
BS CP153
BS CP204
BS CP290
PSA MOB 08-801
BRE
Concrete Wearing Surfaces
Dry Lining and Partitioning Using Gypsum Plasterboard
Windows, Doors and Roof Lights
Building Drainage
Protection of Building Against Water from the Ground
Sheet Roof and Wall Coverings
Roof Coverings
Doors and Windows Including Frames and Linings
Fixing of Glass
Windows and Roof Lights
In-situ Floor Finishes
Suspended Ceilings and Linings of Dry Construction Using Metal
Fixed Systems
Performance Specification for Platform Floors
Information Paper 1 1184
2.1.3 Engineering Group Specifications
01 5-AH-1 001 Basic Design Criteria
01 5-AH-1 002 International Codes and Standards
01 5-KH-1902 Spare Parts and Maintenance Requirements
01 5-MH-1001 Basic Civil Engineering Design Data
01 5-MH-1002 Structural Steel Design, Materials and
Fabrication
-
01 5-QH- 1001 Reinforced Concrete, Materials and
Construction
01 5-SH-1004 Drainage, Design, Materials and Construction
01 5-XH-1005 Shop and Field Painting
01 5-UH-1001 Packing, Marking and Documentation
2.2 Compliance with this specification shall not relieve the
Contractor of its responsibility to supply architectural materials
and finishes suited to meet the service conditions and applicable
regulations.
2.3 Where conflicts exist between this specification and other
Drawings, standards, codes and specifications, the most stringent
shall be applied.
3.0 SERVICE CONDITIONS
3.1 The materials, finishes and fittings shall be suitable for a
desert location under high ambient temperatures and humidity. The
atmosphere at the Facility is generally dusty and corrosive and may
contain traces of hydrogen sulphide.
3.2 Building materials, finishes and fittings shall in all
respects be suitable for the service conditions stated in the
Engineering Group Specification entitled "Basic Design Criteria"
(Number 01 5-AH-1 001 ).
4.0 MASONRY
4.1 General
4.1.1 This section describes the materials and workmanship
related to the masonry.
4.1.2 External Walls
a. External walls shall be cavity walls. The construction of
external cavity walls shall be with sandlime brickwork outer leaf
and reinforced concrete block inner leaf bonded together with wall
ties.
b. External walls shall be provided with a cavity between outer
leaf of brickwork and inner leaf of concrete blockwork. Cavity size
shall be determined by the Contractor.
c. 25-mm-minimum air gap shall be provided in cavity between
facing bricks and insulation, with air bricks to allow through
ventilation.
Enginewing Grwp
3
Date
5-8-94
Sheet
130f 69
Specification Number
01 5-RH-1001
Rev
1
-
Specification Number Rev Date Sheet
I-n 0 1 5-RH- 1 00 1 1 5-8-94 140f 69
d. Weep holes shall be provided in "perpends" at 1200-mm centres
(maximum) above damp-proof courses.
e. Open joints shall be provided in perpends of every fourth
joint above ground level.
f. To obtain thermal value 0.1 Btu in the external walls.
Sq/FtI0 FIHr
g. The overall external wall construction shall be designed to
give minimum 'U' value of 0.6WIm210C
Cavity Insulation
Cavity insulation shall comply with BS 3837, BS 4841 or BS 6676.
Cavity thermal insulation slabs shall be built in as work proceeds
in accordance with the Company-Approved Manufacturer's
instructions. Mortar "snots" shall be removed from exposed leaf and
droppings cleaned from the top edge of the thermal insulation.
Insulation shall not be pushed into cavities.
Internal Walls and Partitions
a. Concrete Masonry Partitions
The construction of internal masonry concrete walls shall be in
150-mm-thick blocks minimum. All internal walls shall extend to
underside of roof andlor structural beams unless otherwise
stated.
b. Lateral Restraint
Unless otherwise specified, internal walls and partitions shall
be laterally restrained. The length or height of the wall in
relation to its thickness shall be within the limits given in BS
5628, Part 3.
4.2 Fire Resistance
4.2.1 The fire rating of concrete masonry walls shall meet the
requirements specified on Drawings, scopes of work and British
Building Regulations.
4.2.2 General areas requiring fire-resisting walls are:
a. Control rooms.
b. Laboratory.
-
I Specification Number
c. Compartment walls.
Rev
1
d . Staircase enclosures.
e. Plant rooms.
Date
5-8-94
f. Electrical rooms.
Sheet
150f 69
g. Test rooms.
h. Escape routes.
i. Other rooms where specified in scope of work or Drawings.
4.3 Movement Joint
Movement joints and edge clearance shall be filled with a
non-combustible material (mineral fibre) which will allow the
movement joint to function.
4.4 Material3
4.4.1 Sand Cement Blocks
a. Precast concrete masonry blocks shall be solid or hollow and
shall comply with all the requirements of BS 6073. Part 1 and
obtained from National lndustries Company in the following
sizes:
b. The nominal size will be:
4.4.2 Block Strength
Length Height
Thickness
a. Minimum average compressive strength: Dense concrete blocks:
10.0 N/mm2.
400 mm
200 mm
150 mm and 200 mm
b. The design of reinforced blockwork shall be in accordance
with BS 5628, Part 2
4.4.3 Sandlime Bricks
a. The bricks shall be class A sandlime bricks obtained from the
National lndustries Company and shall comply with BS 187.
-
b. The colour of the bricks shall be beige or similar.
QKOCspMlrclm Engldng Grwp
' n
c. The bricks shall be good, hard, sound and square with well-
defined edges, even and uniform in colour and free from any cracks
or other defects.
4.4.4 Materials For Mortar
Specification Number
01 5-RH-1001
Cement
1. Portland cement in compliance with BS 12 or similar
approved.
Rev
1
2. Sulphate resisting Portland cement in compliance with BS 4027
or similar approved.
Lime
Date
5-8-94
Lime used shall be in accordance with BS 890 class B, or Kuwait
quicklime obtained from the National Industries Company.
Sheet
16 of 69
Water
The water shall be as produced by the state distillation plant
and shall comply with BS 3148. Seawater or brackish water shall not
be used for mixing or curing.
Sand
Sand shall comply with the requirements of BS 1200 and be well
graded in accordance with Table 1, Type G.
Admixtures
The admixtures used shall comply with BS 4887.
Samples of Bricks/Blocks
Samples of all types of bricks/blocks to be used in the Works
shall be submitted to the Company for approval before work is
commenced.
4.4.5 Reinforcement
a. Reinforcing steel, including bed joint reinforcement, shall
comply with the following relevant standards:
-
Et@mdng Gnwp
4.4.6 Concrete lnfill
Hot-rolled steel bars for the reinforcement of concrete
Hand-drawn mild steel wire for the reinforcement of concrete
Steel fabric for the reinforcement of concrete
a. Concrete infill for reinforced blockwork shall comply with BS
5628, Part 2, Section 2. The aggregate size shall not exceed 10
mm.
Specification Number
01 5-RH-1001
BS 4449
BS 4482
BS 4483
b. Concrete may be batch mixed onsite.
4.4.7 Cement Mortar
Rev
1
Cement and sand mortar shall comply with the requirements of BS
5628.
Mortar for pointing shall be a 1 :3 ceme,nt sand mix.
Building mortar shall be 1 :4 cement sand mix.
The inclusion of mortar plasticisers shall be in accordance with
the recommendation of the Company-Approved Manufacturer for the
class of mortar being mixed.
Sulphate-resisting cement shall comply with BS 4027 and be used
throughout.
4.4.8 Damp-Proof Courses
Date
5-8-94
Damp-proof course materials shall be a single layer of five-ply
tropical quality bitumenized fibre-felt damp-proof course weighing
not less than 3.25 kg/m2 complying with BS 743, latest edition,
type 58.
Sheet
17 of 69
4.4.9 Ties
a. Bonding ties shall be galvanised expanded metal strips or
galvanised woven mesh (300 mm wide minimum). Corner angle beads
shall be galvanised expanded metal.
b. Wall ties shall comply with BS 1243 and shall be hot-dip
galvanised steel or stainless steel.
-
4.4.10 Lintels and Sills
Engldng Group
a. External Walls
The lintels shall be reinforced concrete "bootn lintel and shall
comply with BS 81 10.
Specification Number
0 1 5-RH-100 1
b. Internal Walls
The lintels shall be reinforced concrete "box" lintel and shall
comply with BS 81 10.
Rev
1
c. Sills
The sills shall be reinforced concrete and shall comply with BS
81 10.
Date
5-8-94
4.4.1 1 Joints
Sheet
18 of 69
a. Compressible pre-formed expansion joint filler shall be
cork-or bitumen-impregnated fibre boarding of 20-mm thickness,
within a tolerance of * 1.5mm, and of such width that it complies
with the specified joint details.
b. Joint sealer shall be a silicone-based sealant complying with
BS 5889 Type A and applied in accordance with the Company-Approved
Manufacturer's recommendations. A sample shall be submitted to the
Company for approval before incorporation in the work.
c. The horizontal and vertical joint between compartment walls
shall be filled with intufoam as manufactured by the
Company-Approved Manufacturer and shall comply with BS 476.
4.5.1 General
All masonry work shall be in accordance with BS 5628.
4.5.2 Mortar
a. Mortar generally shall be machine mixed, mixed dry and then
with added water until the correct consistency and uniform
distribution of materials is obtained. Before mixing a fresh series
of batches, the mixer drum shall be thoroughly cleaned.
-
b. Hand mixing shall be done on a clean watertight platform,
first dry and then with added water until the correct consistency
and uniform distribution of materials is obtained.
@ KoC EngI-f)eawfns G w SpaMmion
c. Mortars shall be used within 35 minutes of the addition of
water. Any mortar not then used shall be discarded. Mortar shall
not be re-mixed after the initial set has taken place.
Setting-Out
Specification Number
01 5-RH-1001
All brickwork/blockwork shall be set out and built to the
respective dimensions, thicknesses and heights shown on the
Drawings.
Wetting
Rev
1
Wetting before laying shall only be done where, and as,
necessary to adjust suction on the faces in contact with the
mortar, taking into consideration the ambient conditions.
In reinforced concrete frame structures, the frame for each
floor shall be built, cured and approved by the Company before
brickwork or blockwork laying commences.
Date
5-8-94
Brickwork/blockwork shall be carried out in a uniform manner, no
one portion being raised more than 900 mm above another at one
time. All perpends, quoins etc, shall be kept strictly true and
square and the whole properly bonded together. The maximum height
which is to be built in one day is 1.5 m.
Sheet
190f 69
Exposed perpends at corners, openings, windows and door jambs
shall be plain faced. Cut or recessed bricks/blocks shall not be
allowed.
Reinforcement
a. Internal Walls
1. For internal walls, galvanised expanded metal lathing, the
width of the blockwork, shall be fully bedded into every third
horizontal blockwork course unless design reinforcement is
provided.
2. Vertical reinforcement shall not be less than 8-mm diameter
and be provided at spacing of not greater than 1.0 m from centre to
centre.
-
b. External Walls
For external walls, bed joint reinforcement (steel bars to BS
4449) shall be provided in every blockwork course. Vertical
reinforcement shall not be less than 12-mm diameter and be provided
in every blockwork core.
4.5.9 Cavity walls shall have a cavity as detailed on the
Drawings. Each leaf shall be united by staggered wall ties at the
rate of not less than two per 0.8 m2 and uniformly spaced at
approximately 900- mm horizontal and 450-mm vertical centres.
Additional ties shall be provided within 150 mm of the edge of
opening and joints, one for each 200 mm of height. The bottom run
of wall ties shall be at 600-mm horizontal centres to retain the
insulation batts. Ties shall be placed as the work proceeds and set
level or with a slight slope towards the outside leaf.
4.5.10 All mortar joints between blockslbricks shall be as
specified and shall be solidly filled to a general thickness of 10
mm and at no point more than 15 mm. All cross joints shall be
filled by well buttering the end of the bricklblock and then
pushing it into position against its neighbour.
4.5.1 1 Block walls and half-brick thick brick walls shall be
built in stretcher bond. Brick walls one brick thick or over shall
have one stretcher course to one header course. Intersections of
block walls shall be properly bonded in alternative courses.
4.5.1 2 Generally blockwork where exposed shall be pointed, as
specified, as the work proceeds. Joints and beds must be filled
with mortar except those facings which are to receive external or
internal plastering, which shall be raked out not exceeding 5 mm
deep using a key with shoulder to prevent deeper raking.
4.5.13 A solid or profiled course of blockwork shall be provided
at sill level of openings and under bearings of all in situ or
precast concrete.
4.5.14 All exposed horizontal mortar joints shall be raked out
or pressed back to give a uniform appearance. Recessed joints shall
be pointed or "flushed up" to give a "flush" mortar joint.
4.5.1 5 Joint Between Partitions and Soffits
All internal walls and partitions shall initially be built up to
leave 20- mm joint between the top of the wall or partition and the
soffit of the slab or structural beam. The joint shall be filled
with Company- approved fire-resistant sealant material.
-
4.5.16 Connections Between Walls or Partitions and Concrete or
Steel Columns
' EngiI)O(Wjng Group
a. Internal Walls
Specification Number
01 5-RH-10- I R: I -Da" 1 - - - -- sheet I
All internal walls shall be provided with connection between
walls and concrete columns, at maximum 450-mm centres by means of
zinc-coated or galvanised metal ties mechanically fixed to the
column and fully bedded into the mortar joints of the walls.
b. External Walls
Connections between external cavity wall and concrete columns
shall be provided at maximum 450-mm centres by means of zinc-coated
or galvanised metal ties to channel slots built into the column and
fully embedded in the mortar joints of the walls.
4.5.1 7 Filling Hollow Blocks
a. All the excess mortar and debris shall be removed from the
core before filling with concrete.
b. Walls are to be filled solid and shall be built up in lifts
not exceeding 1200 mm and concreted after allowing minimum period
of 24 hours to elapse to enable the mortar to harden. The initial
compaction of the concrete shall be carried out by hand using a
25x50-mm wooden rod or by vibration. The final compaction shall
take place 10-1 5 minutes after initial compaction by
vibration.
4.5.1 8 Penetrations
Penetrations through both external and internal walls for
services shall be properly sealed against fire, gas, insects and
rodents.
4.5.19 Lintels
a. An open joint not less than 12 mm shall be provided between
the ends of precast or cast in situ concrete lintels and the
bricks/blocks adjacent to these ends. The joints shall be filled
with sealant after plastering.
b. Lintels shall have minimum end bearing of 200 mm.
-
4.5.20 Unplastered Walls
a. Walls to be left unplastered shall have a fair face
consisting of selected blocks pointed with a neat flush joint as
the work proceeds using the same mortar mix as for the
jointing.
b. The faces of walls shall be kept clean and free from mortar
droppings and splashes during progress of the work.
4.5.21 Damp-Proof Courses
On walls the damp-proof course shall be lapped at least 150 mm
at joints and angles and bedded in hot bitumen, pointed both sides
and covered with bed of mortar.
The Contractor shall provide and build in a vertical damp-proof
course at jambs of openings in cavity walls and a horizontal
damp-proof course above such openings.
For concrete floors on grade, the damp-proof membrane below
shall be continuous throughout the whole floor area and shall be
sealed to the damp course in every adjoining wall or other part of
the structure.
All parapet walls shall be provided with a horizontal damp-
proof course before fixing proprietary aluminium or other type of
coping.
Damp-proof courses shall be provided even if not indicated on
Drawings.
Where damp-proof courses are to be laid on or against concrete
face, the concrete shall be coated with a Company- approved hot
bituminous material.
4.5.22 Bedding of Frames
a. All windows and door frames shall have structural ties
embedded or drilled into the blockwork or concrete structure.
b. All frames shall be bedded in the same mortar as used for the
wall.
c. All frames shall be pointed on the exposed face with a gun
grade mastic to BS 371 2.
-
Rev Date 1 Sheet 1
4.5.23 Tolerances
All brickwork buildings shall be constructed in accordance with
the tolerances given in BS 5606, with modifications as given
below:
Length
Upto and including 5m b
Including 5 m and over Over 10 m Height
4.6 Test S~ecimen
* 10 mm k 15 mm
k 20 mm
Up to and including 3 m Over 3 m including 6 m Over 6 m Level of
Bed Joints
*
Testing of blocks for the strength shall be the responsibility
of the Contractor.
* 5 mm
* 15 mm
* 20 mm k 3 mm
4.7 Conclusion
At the conclusion of the work, walls shall be cleaned and all
scaffolding and debris removed. Masonry units shall be cleaned only
with Company- approved cleaning solutions recommended by the
bricklblock Approved Manufacturer.
5.0 FLOOR SCREEDS
5.1 General
This section describes the materials, and workmanship related to
the screeds.
5.2 Desian of Screed~
5.2.1 Screeds shall be fit for the purpose shown on the Contract
Drawings:
a. CementISand screed for general use and substrates to
finishes.
b. Fine concrete screed for hard-wearing areas.
-
5.2.2 Surface Hardener
E n g l d n g Group SpetMmWn
a. All surface hardeners and dustproofing agents shall comply
with BS 8204, Part 2.
b. Generally, all surface hardener and dustproofing agents shall
be steel trowelled to freshly placed concrete or screeds to ensure
that hard-wearing surfaces bond monolithically on the base of the
concrete or screeds. Rate and methods shall be in accordance with
the Company-Approved Manufacturer.
Specification Number
01 5-RH-1001
c. Heavy duty: A hard and anti-dust surface shall be obtained
with the use of a proprietary dry shake floor hardener applied in
accordance with the Company-Approved Manufacturer's instructions
together with self-levelling abrasions and chemical resistant epoxy
grey floor paint and antislip grains where required.
d. Medium duty: A medium and anti-dust surface shall be obtained
with the use of a proprietary floor hardener applied in accordance
with the Company-Approved Manufacturer's instructions together with
self-levelling abrasions, chemical resistant and antislip grains.
Enclosed areas shall be included with epoxy grey floor paint.
Rev
I
e. Spark-resistantlstatic-disseminating surface shall be
obtained with the use of a proprietary hardening compound in colour
approved by the Company and shall be applied in accordance with the
Company-Approved Manufacturer's instructions.
5.2.3 Self-Levelling Screeds
Date
5-8-94
Self-levelling screed shall be as manufactured by the
Company-Approved Manufacturer and shall be mixed in strict
accordance with the Manufacturer's instructions.
Sheet
24 of 69
Screeds 50 mm and under shall be fully bonded to a scabbled
substrate. Screeds in excess of 50 mm thickness shall be reinforced
and laid on a separate membrane.
Screeds which are to be a finished surface or receive vinyl tile
or sheet flooring or epoxy coating shall have a steel float
finish.
Screeds to receive ceramic tiles or designated non-slip surface
may be wood float or tamped finish.
-
Q KOC Specification Number Rev Date Sheet E~i rmr ing Gmup
Sp8Mcdon 01 5-RH-1001 1 5-8-94 25 of 69
I.
5.3 Materials
Water-reducing admixture to BS 5075, Part 1 may be used in
accordance with the Company-Approved Manufacturer's
instructions.
Screeds shall be mixed as follows:
Cementlsandlaggregate shall be mixed in the ratio 1 : 1 % :3. 30
Cementlaggregate shall be mixed in the ratio of 1 to 3.
Water-cement ratio shall be as low as possible compatible with
workability.
Screed strength shall be 30 Nlmm2. Screed shall be tested with a
screed tester on each 100m2 to guidelines laid down by BRE
Information Paper 11/84, and results shall satisfy Category B.
Screeds shall be tested for flatness with a slip gauge (to BS
8204, Part 1, Figure 3). Variation in gap under the straightedge
placed anywhere on the surface shall not exceed 3 mm under a 3-m
straightedge.
5.3.1 Cement shall be sulphate-resisting Portland cement in
compliance with BS 4027.
5.3.2 Aggregate shall be to BS 882 Table 5, grading limit MI but
not more than 10% passing sieve size 150 microns.
5.3.3 Coarse aggregate shall be to BS 882: 10 mm, single-sized
for screeds in excess of 50 mm in thickness.
5.3.4 Reinforcement shall be light steel mesh 50 mm x 50 mm to
BS 4483 Designation 0.49 (2.5-mm diameter) Mesh wire netting to BS
1485 Designation 19.
5.3.5 Separating membrane to be woven glass-fibre reinforced
permeable felt.
5.4.1 Screeds shall be prevented from drying out or prematurely
setting in hot weather by suitable methods of curing.
5.4.2 Mixes must be mixed in a mechanical mixer.
-
Substrates shall be thoroughly prepared prior to screeding.
Before the toppings are applied, the weak surface laitance of the
slab and any other contaminating material shall be removed
completely and the coarse aggregate exposed. All dust shall be
vacuumed up and debris shall be removed and the surface thoroughly
wetted. Immediately before the topping is placed, surplus water
shall be removed and a slurry of neat cement brushed into the
surfaces. A Company-approved bonding agent may be used in lieu of a
neat Company-approved cement grout.
EngI&ng G m p
Screeds shall normally be laid in one continuous operation
except under quarry or glazed tile finish, when screeds may be laid
in bays with butt vertical joints. Maximum bay size for screeds
under tiling shall not exceed 15 m2 and bay size ratio should be as
close to 1 :I .5 as possible. At least 24 hours should elapse
between laying adjacent bays, with the joint edges wetted and
brushed with cement grout. All screeds must be thoroughly
compacted.
The topping shall be placed before the slurry dries out.
Particular attention shall be paid to ensuring full compaction,
especially at the edges and corners. To achieve dense topping, the
use of double vibrating beam is recommended.
Specification Number
01 5-RH-1001
Initial finishing shall be carried out by hand or power floating
to bring the topping to within specified level tolerance with a
closed smooth surface. Final finishing shall be carried out by
successive trowelling either by hand or machine.
Screeds shall be subject to a curing process.
Rev
1
Screeds shall be cured for at least 7 days after laying. A resin
curinglsealing agent may be used, except where adhesives are to be
used for fixing subsequent floor finishes.
Toppings shall be kept moist before curing is complete.
Date
5-8-94
5.4.10 The screeds shall be adequately protected from damage by
methods approved by the Company from the time of laying until the
point of building handover.
6.0 ROOFING
6.1 General
This section describes the materials and workmanship related to
the flat roof coverings on concrete slabs.
6.1.1 Thermal Properties
Sheet
26 of 69
-
a. To obtain thermal value 0.07 Btu in the roof. Sq/FtI0
F/Hr
Q KOC E n g i d n g Grwp @eM&&n b. The overall roof
construction shall be designed to give
minimum 'U' value of 0.4 WIm210C .
6.2 Materials
Specification Number
01 5-RH-1001
The roofing system shall incorporate a waterproof membrane, a
lightweight cellular concrete screed, rigid thermal insulation and
vapour barrier.
6.2.1 Lightweight Screed
Rev
1
a. The lightweight cellular concrete roof screed shall comprise
Portland cement, foaming emulsion and water combined in a purpose
made mixer to produce a proprietary lightweight screed.
b. Density shall be 500 kg/m3 (minimum).
Date
5-8-94
6.2.2 Sheathing Felt
Sheet
27 of 69
a. Sheathing felt underlay for asphalt shall be in accordance
with BS 747:
1. Class 1 Type IC self-finished bitumen felts nominal weight
not less than 1.4 kg/m2.
2. Class 2 type 28 self-finished bitumen asbestos felts nominal
weight not less than 1.4 kg/m2.
6.2.3 Waterproofing Membrane
The roof waterproofing membrane shall be a 4-mm thick, heavy
laminate bituminous felt of a type suitable for hot climates,
reinforced with 170 gm/m2 of non-woven polyester inlay and modified
bituminous compound presenting high thermal stability, plasticity
and flexibility characteristics. Waterproofing membrance shall be
as manufactured by Aquaseal or similar approved by the Company.
6.2.4 The membrane shall have a 50-mm-minimum rigid thermal
insulation (extruded polystyrene) as recommended by the
Company-Approved Manufacturer. Insulation shall be laid on
waterproofing membrane in accordance with the specification of the
Approved Manufacturer.
6.2.5 Paving
-
500x500~50-mm thick precast concrete paving slabs shall be laid
on extruded polystyrene with cement mortar bed, as to the
Company-Approved Manufacturer's instructions.
6.2.6 Angle fillet to be fixed at the perimeter of the parapet
wall and waterproof membrane extended to minimum of 200 mm, dressed
with code 4 lead flashing.
6.2.7 Coping to Parapet
Proprietary aluminium coping with fixtures and fittings shall
comply with BS 1470 and shall be fixed to parapet in accordance
with the Company-Approved Manufacturer's instructions.
6.3 work mans hi^
6.3.1 Screeds
a. Roof screed shall be laid to the Company-Approved
Manufacturer's instructions and in accordance with CP 144, Parts 3
and 4, to a minimum fall of 1 in 80.
b. Screeds shall be laid with a minimum thickness of 30 mm.
c. Screeds shall not be laid when they are likely to be affected
by rain, and after laying shall be protected from rain.
d. Construction traffic shall not be allowed on the screed and
precautions should be taken to prevent damage by barrows, gas
cylinders, tar boilers and other similar point loadings.
6.3.2 Sheathing Felt
Sheathing felt shall be laid loose with 150-mm overlap.
6.3.3 Waterproof Membrane
The membrane shall be handled and applied strictly in accordance
with the Company-Approved Manufacturer's written instructions.
Surfaces to be covered shall be clean, flat, dry and free from any
matter likely to adversely affect the performance of the
waterproofing. The Approved Manufacturer's primer shall be applied
prior to laying the membrane.
6.3.4 Paving
a. 500x500~50-mm thick precast concrete paving slabs shall be
laid loose over the roof insulation (extruded polystyrene) in
Engimng G m p -n
Specification Number
01 5-RH-1001
Rev
1
Date
5-8-94
Sheet
28 of 69
-
Specification Number Rev Date Sheet Ew-ng G ~ P -n 0 1 5-RH-1001
1 5-8-94 29 of 69
accordance with the Approved Manufacturer's written
instructions.
The waterproofing membrane shall extend minimum 200 mm up and
down vertical surfaces. A membrane which will be left exposed
beyond insulation or precast slabs or horizontal protection level
shall be in brown colour.
The installation of the waterproof membrane shall not be started
until all projections through the membrane have been installed.
All pipes and conduits shall be made watertight when passing
through the roof surface by the use of prefabricated boots. All
flashings shall be lapped into the membrane using reinforcing
strips.
6.4 Testing
All horizontal areas shall be waterflood tested prior to the
installation of the rigid extruded polystyrene. No area shall be
water tested before 48 hours after application of waterproofing
membrane.
Water testing shall include flooding of the entire area either
by section or entirely for a minimum period of 24 hours.
Any areas where leaks occur shall be drained, thoroughly dried,
repaired, and then retested.
Installation of the insulation mortar beds, and finish slabs
which are applied over the waterproofing shall not start until such
time as the membrane is leak-free and has been approved by the
Company.
7.0 RAINWATER SYSTEM
7.1 General
This section describes the material and installation of a
rainwater system.
7.2 Materials
7.2.1 Rainwater pipes shall be in unplasticised polyvinyl
chloride (UPVC) as manufactured by the Company-Approved
Manufacturer.
7.2.2 UPVC rainwater pipes and fittings shall comply with BS
4576, Part 1. All pipes shall be fitted with an access. Pipe
fixings shall comply with BS 4576, Part 1, Appendix J.
-
Specification Number Rev Date Sheet E n g l d n g Gtwp 01
5-RH-1001 1 5-8-94 30 of 69
7.2.3 Rainwater pipes to be 100-mm diameter having solvent
welded sockets generally one seal ring adaptor. UPVC screw to wall
holderbats (2- m centres) wall plug and zinc plate 32 mm x No 10
screws, offsets to be formed using 2 no bends.
7.2.4 Gutter outlets to be 100-mm diameter x 41 0 UPVC flat-roof
outlet bedded in mastic and screwed down into concrete recess.
7.2.5 Gutters and rainwater pipes to match metal cladding shall
be fabricated from sheet metal compatible with cladding and coated
as for cladding sheets. Gutters and rainwater pipes shall be
submitted to the Company for approval.
7.3.1 Installation of pipeslfittings shall have complete
discharge of rainwater from the building in compliance with design
and performance requirements and without leaking.
7.3.2 Cut ends to be clean and square with burrs removed.
7.3.3 Allow for thermal and building movement when fixing and
jointing. 7.3.4 Make sure that all outlets are securely fixed
before connecting any
pipework.
7.3.5 Provide additional supports as necessary to support pipe
collars.
7.3.6 Rainwater pipes shall be tested with air pressure in
sections.
8.0 DOORS AND IRONMONGERY
General
This section describes the materials and installation of the
externallinternal doors, including associated ironmongery. Type and
size shall be approved by the Company.
Locks
All locks shall be part of a master key system. All mortice-type
locks and latches shall comply with BS 5872.
External Doorg
8.3.1 All external doors shall be manufactured from double-skin
2-mm steel sheets, insulated with a core of non-combustible
materials, as those designed and manufactured by the
Company-Approved Manufacturer.
-
The doors shall be supplied complete, including fixings to be
built in as per the Approved Manufacturer's instructions. They
shall be 2-hour fire rated, resist a force of 6.0 kN/m2. Doors
shall be weathertight.
EngIWng Group
Roller Shutter Doors
Steel roller shutter doors with necessary controls, fixtures and
fittings shall be approved by the Company.
Specification Number
01 5-RH-1001
lronmongery and Door Furniture for External Doors
Doors shall be supplied with hinges, closer, latch, lever
handles, with top and bottom shoot bolts on the inactive leaf, lock
door stop, vision panels, panic bar and necessary signs. (All signs
to be approved by the Company.)
Rev
1
Hinges
All external steel door leaves shall be fitted with three
stainless steel ball-bearing butt hinges. All hinges shall be
capable of withstanding heavy use and all local environmental
conditions. All hinges shall comply with BS 7352 and BS 1227.
Date
5-8-94
Door Closers
Sheet
31 of 69
Door closers shall be of heavy-duty quality capable of
withstanding heavy use and local environmental conditions. Door
closers to incorporate an adjustable restraining system. Door
closers shall comply with BS 6459.
Lever handles shall be of the D shape to prevent fouling of
clothing.
Latches shall be spring-mortice type keyed or unkeyed operable
by either panic bar arrangement or lever handles.
Door stops shall be resilient, positioned so as not to cause
a
easily removable and shall be hazard to escaping personnel.
Flush or monkey tail bolts shall bottom and top.
be fitted to the inactive leaf, at
Cylinder lock and panic bar assemblies shall comply with BS 5725
and provided to emergency escape doors.
8.4 Internal Doors
-
All internal doors shall be solid-core veneered timber generally
in accordance with BS 459, Part 2, with a skeleton comprising
stiles, top, bottom and intermediate rails and lock block. The
finished thickness shall be 44 mm unless otherwise agreed to.
QKOCspwllnm Eng/&ng Grwp
n
Fire check doors shall comply with BS 459: Part 3.
All doors shall be fitted with vision panels of 6-mm polished
Georgian wired glass to BS 952, Part 1, paragrapah 8.3.
Specification Number
01 5-RH-1001
Doors with glazed removable overhead panels where stated.
Vision panels shall be fixed with beads, brass cups and screws
let in to finish flush with the face of the work.
Rev
1
Door Frames
All internal door frames shall be in hardwood to the sizes and
profiles to suit the finish of the doors. Heads shall be morticed
tennoned the full width of the members, glued and wedged.
Date
5-8-94
Architraves
Sheet
32 of 69
All internal door frame shall have 44-mm x 19-mm softwood Ovoto
Pattern architraves. At junction with right-angled walls, 19-mm
softwood quadrants shall be fixed to the frames.
Pressure Impregnation
Preservative for timber shall be pressure or immersion
impregnation complying with BS 1282.
8.5 lronmonaerv and Door Furniture for Internal Doors
8.5.1 All ironmongery shall be fixed with matching screws and
shall be properly fitted and lubricated to ensure proper
operation.
8.5.2 All ironmongery shall be new and of first-class
quality.
8.5.3 Six keys shall be provided for each lock, and all keys
shall be clearly labelled.
8.5.4 Hinges
a. All internal doors shall be fitted with three 100-mm
stainless steel butt hinges with steel fixed pins, to BS 1227. They
shall be fixed with 30-mm-long stainless steel screws.
-
b. Hinges for shower and toilet cubicle doors shall be 100-mm
stainless steel falling butt hinges with steel fixed pins. They
shall be fixed with stainless steel screws, finish to be
coordinated to match cubicles fitments.
Mortice Locks
Cylinder mortice deadlock with aluminium forend and stainless
steel striking plate with two nickel-plated steel keys.
Door Closers
Door closers shall be as supplied with cover. Both items shall
be satin aluminium finish and shall comply with BS 6459.
Kick Plate and Push Plates
Kick plates and push plates shall be 2.5-mm-thick plain
aluminium sheet to the width of the doors less 50 mm. They shall be
fixed with aluminium screws. The plates shall be rubbed down,
cleaned and polished and left free from scratches.
Hasps and Staples
Hasps and staples shall be heavy pattern with concealed fixings.
They shall be fixed with countersunk head through bolts with
stainless steel nuts let into the door.
Door Handles
Door handles shall be aluminium finish D-shaped pull handles.
They shall be fixed with stainless steel through bolts.
Bolts
Flush bolt with sunk slide finish with top plate and easy clean
bottom socket slotted into the floor.
Panic Bolts
Double mortice panic bolt in aluminium finish fitted with
automatic tripper catch to keep bolt in "unshot" position when
doors are open.
8.6.1 Steel doors and frames shall be installed strictly in
accordance with the Company-Approved Manufacturer's instructions,
true to line, level and plumb.
-
Specification Number Rev Date Sheet EngIWng Gtwp spe&htbn 01
5-RH-1001 1 5-8-94 34 of 69
8.6.2 Veneering shall be factory applied.
8.6.3 Internal door frames shall have three fixings each side in
their height, and for double-leaf doors two fixings in their head,
plugged screwed and pelleted.
8.6.4 Samples or catalogue for all items in this specification
with full Company-Approved Manufacturer's information shall be
provided for approval to the Company.
9.0 WINDOWS AND GLAZING
9.1 General
This section describes the materials, and workmanship related to
all the external/internal windows, glazing and venetian blinds.
9.2 Materials
Windows shall be fixed glass pre-finished steel double-glazed
units with all fixtures and fittings including head and sills such
as by Company-Approved Manufacturer.
Windows shall comply with BS 6510.
External glazing shall be hermetically sealed double-glazed
units, made of laminated glass as per 9.2.5 and shall be able to
resist a force of 4kN/m2.
Fixing Requirements for External Glazing
a. To limit damage to the glass pane in the window frame in the
case of an explosion, the following requirements shall apply:
1. The window frame shall have a minimum rebate of 30 mm.
2. The glass panes shall be fitted from the outside.
3. Double glazing shall be fixed with metal beads in height
corresponding to the height of the rebate. The steel beads shall be
fixed with at least 5%-mm screws at 200-mm centres.
4. The clearance between the pane and the frame shall be at
least 3 mm in lateral directions and at least 5 mm in the
perimetral direction (i.e., in the plane of the glass pane) to keep
the glass pane free from stresses at all times.
-
Specification Number Rev Date Sheet EngIMng Grwp SpdifWon 01
5-RH-1001 1 5-8-94 35 of 69
5. The clearances shall be maintained by the use of neoprene
setting blocks and side spacers.
6. The adhesive compound shall be a non-hardening gluing
compound to glue the glass in the steel window frame. A
self-adhesive aluminium tape, taped on the edge of the window pane,
will act as a separation between adhesive compound and PVB
interlayer in the case of possible harmful inter-action between
components of the adhesive compound and the PVB interlayer.
7. The fixing method shall ensure void-free and water- proof
joints.
8. The transport, the application of primers, compounds,
aluminium to neoprene setting blocks and neoprene side spacers
shall be in accordance with the instructions of the
Company-Approved Manufacturers of the glass and the compounds.
9.2.5 External Glazing
Laminated glass shall be used consisting of two layers of float
glass of at least 3 mm each and a polyvinyl-butyryl (PVB)
interlayer of 1.9 mm. All panes shall be marked clearly by the
Company- Approved Manufacturer by etching his name in the
glass.
9.2.6 lnternal glazing
Normal glass with a minimum thickness of 6 mm shall be supplied
to BS 952. The panes shall be fitted in steel frames composed of
standard sections, and fixed with a non- hardening, non-staining
type of putty.
lnternal glass in timber doors and in hardwood frames shall be
fixed with screwed hardwood beads.
All external and internal doors shall be provided with 6-mm
Georgian polished wired glass in view of its resistance to
fragmentation.
Wired, glass, thickness 6 mm, shall be fixed with screwed metal
beads in steel frames and with wooden beads in wooden doors.
Transparent Georgian polished wired glass shall be used if
visibility is required: otherwise, translucent Georgian wired- cast
glass shall be applied.
-
f. Two hour fire-rated windows shall be provided where
specified.
Glass blocks shall be as manufactured by the Company-Approved
Manufacturer from two hollow moulded glass sections fused together
to form a hollow transparent or translucent hermetically sealed
block, having dimensions of 190 mm x 190 mm x 100 mm thick.
9.2.8 Putty
Linseed oil putty for glazing to wood shall comply to BS
544.
9.2.9 Mastic Sealant
One part silicon sealant for glass blocks shall be as
manufactured by the Company-Approved Manufacturer.
9.2.10 Venetian Blinds
-
Date
5-8-94
Rev
1 Eng/&ng Grwp
a. All external windows shall be fitted with fully retractable
proprietary venetian blind.
1 Sheet
36 of 69
Specification Number
01 5-RH-100 1
b. Venetian blinds shall be deep section cord operated through
360.
c. Venetian blinds shall be designed, using materials resistant
to intense heat.
d. All venetian blinds shall be fixed in accordance with the
Company-Approved Manufacturer's instructions.
9.3.1 All windows shall be fixed in accordance with the Company-
Approved Manufacturer's instructions, true to line, level and
plumb.
9.3.2 Units shall be protection wrapped from factory to point of
installation. Damaged units shall be replaced. Units or their
surroundings damaged in fixing shall be made good or replaced.
9.3.3 All protection shall be removed and all finishes, and
glass cleaned down and checked.
9.3.4 Glass blocks shall be bedded in a 1 :3 cementlsand mortar
with a clear gap of 3 mm between exposed glass edges. The gap shall
be raked out, cleaned and neatly painted with mastic sealant.
Glass
-
block panels shall not exceed 6 m in any direction, nor be
greater than 18.5 m2. Where glass block panels are required to be
fire resistant, they shall not exceed 3 m in any direction.
Enginwing G m p m e n
9.3.5 Glass shall be fitted in accordance with BS CP 152.
9.3.6 Georgian wired glass shall have the wiring aligned
vertically and horizontally to adjacent glazed panels.
Specification Number
01 5-RH-1001
9.3.7 Fire-resistant beading shall be butt jointed at corners
and fixed with 38-mm countersunk brass screws at not more than
200-mm centres and not more than 50 mm from each end.
9.3.8 Fire-resistant beading for I -hour fire-resisting doors
shall be sealed with intumescent mastic.
Rev
1
10.0 PLASTERING
10.1 General
Date
5-8-94
This section describes the materials and workmanship related to
wall plastering.
Sheet
37 of 69
10.2 Materials
10.2.1 Plastering
All materials shall be new and free of defects.
10.2.2 Cement
Sulphate-resisting Portland cement in compliance with BS
4027.
10.2.3 Lime
Lime shall comply with BS 890.
10.2.4 Water
The water shall be in accordance with BS 3148.
10.2.5 Aggregates
Aggregates shall generally comply with the requirements of BS
882 or BS 1199.
10.2.6 Gypsum Plaster
Gypsum buildings plaster shall comply with BS 1 191, Part 2.
-
10.2.7 Plasticizer
Q KoC E ~ l d n g Grwp SpedHmbn Plasticizer shall comply with BS
4887.
10.2.8 Bonding Agent
Specification Number
01 5-RH-1001
Polyvinyl acetate (PVAC) emulsion bonding agents for use in
plaster shall comply with BS 5270.
10.2.9 Beads and Stops
Rev
1
Beads and stops profiled to suit the depth of plaster to be
applied, shall be manufactured form tight coat galvanized steel to
BS 2989 grade 22, coating type C.
10.2.10 Welded Fabric Mesh for Reinforced Rendering
Date
5-8-94
Galvanized welded-fabric mesh with 25 x 25-mm squares having
wires not less than 2.5-mm diameter.
Sheet
38 of 69
10.2.1 1 Expanded Metal Lath
a. Manufactured from tight coat galvanized sheet made in
accordance with the requirements of BS 2989 grade 22, coating type
C, with a minimum aperture of 6 mm.
b. Metal lath for plastering shall comply with BS 1369..
10.2.12 Nails, Staples Screws, Washers
Nails, screws and washers to be of galvanized steel. Nails shall
comply with BS 1202, Part 1 and staples to BS 1494, Part 2.
10.3 Workmanshir,
10.3.1 Preparation
a. Surfaces to be plastered shall be thoroughly cleaned of all
oil, dust, etc.
b. Blockwork surfaces shall have the joints raked out and
brushed down and splattered with cementhand (1 :3) applied with a
tyrolean machine.
c. Expanded metal lath shall be provided over all electrical
conduits or at junctions of different backgrounds. The metal lath
shall be fixed using washers, nails or screws or shot fired
pins.
-
d. Beds, stops shall be fixed plumb, with galvanized nails (at
600-mm-maximum centres).
1 0.3.2 Cement Plaster
Sheet
39 of 69 QKOC- ErrgjMng Gnwp
a. Class A cement plaster shall be mixed in the proportion of 1
part cement, 2 parts lime to 9 parts sand by volume.
b. Class 6 cement plaster shall be mixed in the proportion of 1
part cement, 0.25 part lime to 3 parts sand by volume.
Specification Number
01 5-RH-1001
c. The first coat of plaster shall be 10 mm thick and finished
with uniform rough scratch surface to provide a good bond for the
finishing coat. The finishing coat, 10 mm thick, shall be finished
with wooden float or steel trowel. Total thickness of plaster shall
be 20 mm thick applied in two 10-mm thick coats.
10.3.3 Gypsum Plaster
Rev
1
Gypsum plaster shall be 15 mm thick in two coats. The first coat
shall be browning plaster 12 mm thick and finishing with a uniform
rough scratch surface to provide a good bond for the finishing
coat.
Date
5-8-94
All coats shall be applied with firm pressure to exclude air end
to ensure a good bond.
The surface of the finish coat shall be smooth, free from
irregularities, with straight and plumb angles.
Surface variation shall not exceed ~t 1.5 mm under a 800-
mm-long straight edge.
All coats shall be prevented from drying out too quickly during
the hot months.
All external rendering shall be protected by hessian and kept
damp by a spray of water (3 days' curing for each coat).
11.0 PAINTING
11.1 General
11.1.1 This section includes the painting of building materials
other than self-finish items and structural steel.
11.1.2 For structural steel, see the Engineering Group
Specification entitled "Shop and Field Painting" (Number 01
5-XH-1005).
-
11.2 Materials
Eng/&ng Group
1 1.2.1 Paint containing lead shall not be used.
11.2.2 Sealers, fillers, putty, primer, undercoat, gloss
topcoat, wood varnish and emulsion shall be such as by the
Company-Approved Manufacturer.
Specification Number
01 5-RH-1001
11.2.3 Epoxy paint shall be supplied by the Company-Approved
Manufacturer.
1 I .3 Surface Preearation
Rev
1
lronmongery and other removable fittings in buildings shall be
removed before the preparatory processes are commenced and shall be
carefully and securely stored.
Surfaces to be painted shall be thoroughly dry, clean and free
from dust, grease or other foreign matter.
Date
5-8-94
Steel (Other Than Structural)
Sheet
40 of 69
All primed surfaces shall be thoroughly cleaned damage to the
rustproofing protection applied at Wo of rust inhibitor.
. Repair any rks with a coat
Fair Faced and Plastered Walls
Prepare surfaces including stopping holes, defective joints etc.
Chip, scrape and brush down all surfaces before painting.
Woodwork (New and Improved) a. All surfaces shall be thoroughly
cleaned down, removing all
dirt, grease and other deposits, in order to avoid the
destructive influence of absorbed moisture. Woodwork shall be well
seasoned and primed with at least one coat of wood primer,
preferably before the structure is erected.
b. If the wood has been treated with a proprietary wood
preservative, details of the type shall be given to the paint
suppliers, who will be able to recommend their most suitable
primer.
c. Before priming, knots shall be sealed with a Company-
Approved Manufacturer's polyurethane undercoat or equal.
-
d. The woodwork shall be rubbed down with a suitable grade wet
or dry abrasive paper to give a smooth surface before painting
commences and between each coat.
QKOC- E~Ihedng Grwp
e. After priming, all nail holes, breaks and crevices shall be
filled with putty or other suitable filler. (Note: Cellulose
fillers shall not be used on external woodwork.)
f. Surfaces shall be sound, clean and thoroughly dry prior to
painting and between coats.
Specification Number
01 5-RH-1001
g. It is important that surfaces which will be in permanent
contact with bricks, stone or plaster, such as edges of door
frames, shall be primed before the woodwork is fixed. A second coat
of primer is required on such surfaces, particularly on end grain,
to give added protection against penetration of moisture from the
surrounding surfaces. All priming coats shall be applied by brush
and worked well into crevices and any rough places.
1 1.4.1 Weather Conditions
Rev
1
a. No exterior painting shall be carried out in wet, foggy or
dusty conditions.
b. No interior painting shall be carried out in dusty
conditions, or where water vapour is condensed on surfaces.
Date
5-8-94
1 1.4.2 Mixing
Sheet
41 of 69
All paints shall be prepared to the Company-Approved
Manufacturer's instructions, including the paint in the painter's
containers. The size of the painter's containers shall be the
smallest practicable for the work in hand. Paint from the painter's
containers shall at the end of a working day be kept in a covered
bulk container. It shall not be mixed with fresh paint.
11.4.3 Driers and Thinners
Driers and thinners shall not be added to the paint as supplied
by the Company-Approved Manufacturer of the paint, unlessexpressly
permitted by the Manufacturer's printed instructions. Where the use
of thinners and driers is permitted, they shall be used only if
necessary, and shall be of the correct type and thoroughly mixed in
the proportions recommended by the Company-Approved Manufacturer of
the paint.
-
Specification Number Rev Date Sheet EWMW Grwp
01 5-RH-1001 1 5-8-94 42 of 69 --
11 -4.4 Application Generally
All paints shall be applied in accordance with the
recommendations of the Company-Approved Manufacturer.
All primers shall be applied by brush.
Subsequent coats may be applied by brush, roller, or airless
spray. If spray is adopted, the size of jet and pressure shall be
suitable for the type of paint, any overspray shall be carefully
cleaned off.
No priming coat shall be applied until the surface has been
inspected and the preparatory work has been carried out. No
undercoats or finishing coats shall be applied until the previous
coat has been similarly inspected.
Each coat of paint shall be allowed to dry and harden before the
next is applied, but subsequent coats shall be applied within the
period specified by the Company-Approved Manufacturer of the paint
as necessary to secure a proper bond with the previous coat.
Where necessary, each coat shall be lightly rubbed down with
fine sandpaper before applying the following coat.
No consecutive coats of paint shall be of exactly the same
shade. Where doubt exists as to acceptable pigmentation to achieve
slight differences of shade, the Company-Approved Manufacturer of
the paint shall be consulted.
The surfaces to be coated and the finish to each shall be as
specified in the schedule of painting.
External finishes shall generally by gloss, and internal
finishes shall generally be satin or semi-gloss finish.
11.4.5 The colour scheme shall be submitted for Company approval
well ahead of commencement of work.
1 1.4.6 Finishing
All painting shall be finished free of tears, runs, blisters,
dimpling, thin patches, ragged edges or "orange peel" effect.
11.5 Com~let ion and Makina Good
-
lronmongery and other fittings removed before commencement of
preparatory process shall be cleaned and refixed in position upon
completion of painting.
QKK- E w l M n g Gmup ' n
11.6 Paint Svstem for Particular Surfaces
11.6.1 Steel
Specification Number
01 5-RH-1001
Refer to the Engineering Group Specification entitled "Shop and
Field Painting" (Number 01 5-XH-1005).
11.6.2 Plastered Walls (Internal)
Rev
1
a. Painting of the specified system shall be undertaken only
after water used in construction has dried out.
b. One coat of diluted emulsion paint.
Date
5-8-94
Two coats of undiluted emulsion paint
Sheet
43 of 69
11.6.3 Woodwork
a. Primer
One coat non-lead based wood primer.
b. Undercoat
1. Two coats base undercoat .
2. One coat decorative gloss finish.
11.6.4 Floor Paint
Epoxy floor paint shall be applied in accordance to Company
Approved Manufacturer's instructions.
1 1.6.5 Fair-Faced Concrete
a. One coat masonry primer.
b. One undercoat.
c. Two coats of emulsion.
1 1.6.6 Hardwood
Timber to receive stain shall be given two coats of coloured
stain paint.
-
1 1.6.7 Steel Frames and Doors
EwJhwing Gnwp
a. One coat oil base undercoat.
b. Two coats of decorative gloss finish.
Specification Number
0 1 5-RH-100 1
11.6.8 Plastered Walls (Internal) a. One coat oil base
undercoat.
Rev
1
b. Two coats decorative gloss finish.
1 1.6.9 Plastered Walls External
Date
5-8-94
a. One coat diluted emulsion paint.
Sheet
44 of 69
b. Two coats external quality emulsion paint.
12.0 FLOOR AND WALL FINISHES
12.1 General
This section describes the materials and workmanship related to
the floor and wall finishes other than screed.
12.1.2 Screed beds for floor finishes shall comply in every
aspect with section 4, Floor Screeds, of this specification.
12.1.3 Floor finishes in circulation areas shall comply with
Class 0 surface spread of flame defined in BS 476.
Other rooms shall comply with Class 1 except those of less than
30 m2 which can be Class 3.
12.1.4 All colour schemes for tiles shall be agreed to with the
Company before implementing into the Works.
12.2 Materials
All materials shall be new and free of defects. The use of
flooring and wall materials shall be as follows:
12.2.1 Vinyl Floor Tiles
The tiles shall be 3 mm thick complying with BS 3261, Part 1 B,
to colours to be agreed to with the Company. Tiles shall be laid in
accordance with the Company-Approved Manufacturer's instructions
and using the Company-Approved Manufacturer's recommended
adhesive.
-
Enginwing Grwp Specification Number Rev Date Sheet SpeMmtbn 01
5-RH-1001 1 5-8-94 45 of 69
1 2.2.2 Anti-Static Vinyl Floor Tiles
The tiles shall be 3 mm thick, complying with BS 3261, Part 1 B,
to colours to be agreed with the Company. Tiles shall be laid in
accordance with the Company-Approved Manufacturer's instructions
and using the Company-Approved Manufacturer's recommended adhesive.
Minimum transversal electrical resistance shall be 10 ohms.
12.2.3 Skirtings
a. Coved vinyl skirting to be fixed in accordance with the
Approved Manufacturer's instructions and using the Company-Approved
Manufacturer's recommended adhesive.
b. Ceramic coved skirting shall be applied on mortar setting
bed.
c. Acid resistant ceramic coved skirting shall be fixed using
the Company-Approved Manufacturer's recommended acid resistant
adhesive and grout.
1 2.2.4 Carpet Tiles
a. Carpet tiles shall be adhesive or loose laid to colours to be
specified of a heavy duty, commercial grade. Tiles shall be 100%
polypropylene, anti-static, fire resistant.
b. Skirting shall be coved vinyl as for vinyl floor tiles.
12.2.5 Glazed Ceramic Wall Tiles
a. Bevel-edged glazed ceramic wall tiles shall comply with BS
6431 and BS 1281, applied on mortar setting bed.
b. Acid-resistant ceramic wall tiles shall comply with BS 6431
and BS 1281. The tiles shall be laid in accordance with the
Company-Approved Manufacturer's instructions and using
Company-Approved Manufacturer's recommended acid resistant adhesive
and grout.
1 2.2.6 Ceramic Floor Tiles
a. Non-slip ceramic floor tiles shall comply with BS 6431 and
applied on mortar setting bed.
-
b. Acid-resistant ceramic floor tiles shall comply with BS 6431
and BS 1281. The tiles and coved skirting shall be laid in
accordance with the Company-Approved Manufacturer's instructions
and using Company-Approved Manufacturer's recommended acid
resistant adhesive and grout.
Engi&ng Grwp SpeMc&n
12.2.7 Prior to handing over the Works, the Contractor shall
supply the Company with spare tiles matching in colour and quality
with those used in work. Sixty of each type shall be supplied.
12.2.8 The Contractor shall submit for Company approval samples
of all the floor and wall tiles specified.
Specification Number
01 5-RH-1001
12.3 Workmanshir,
12.3.1 General
Rev
1
a. Floor and wall finish materials shall be stored and installed
according to the Company-Approved Manufacturer's instructions.
b. All floor surfaces shall be completely flat without
projections or crevices and terminate at an upstand skirting or
flush metal edge. No edges shall be left exposed. The base to
receive floor tiles shall be clean and dry with no loose or friable
areas
Date
5-8-94
or surface dusting.
1 2.3.2 Ceramic Tiles
a. Ceramic Floor Tiles
Sheet
46 of 69
1. The mortar for bedding shall consist of 1 part of cement to 4
parts of sand by volume. Minimum thickness of bedding: 40 mm.
2. A thin layer of neat cement paste shall be spread over the
mortar bed and the backs of the ceramic tiles immediately before
laying.
b. Ceramic Wall Tiles
1. The mortar for bedding shall consist of 1 part of cement to 4
parts of sand by volume. Minimum thickness of bedding: 13 mm.
2. Ceramic tiles shall be positioned and tapped firmly into the
mortar, laid with straight close joints with a gap between the
tiles of 2.5 mm. Any mortar extruded between the joints must be
wiped off with
-
a damp cloth and joints cleared for grouting. Final levelling
shall be carried out within one hour of placing tiles.
QKOC- Engldng Gmup ' n
Mortar for pointing ceramic tiles shall be non-shrinking
water-proof factory-mixed grout. The joints shall be pointed and
flushed up by spreading the grout diagonally over the joints until
all gaps are filled. Excess grout shall be removed with a damp
cloth as pointing proceeds.
Power tools shall be used for cutting tiles as far as
practicable. Cut edges shall be straight and free from chippings
and ground or filled smooth.
Specification Number
015-RH-1001
Ceramic tiled areas shall be thoroughly cleaned with soap and
water or with a weak solution of muriatic acid rinsed off with cold
water when pointing has hardened sufficiently to permit it. On no
account shall soda or sulphate-containing solutions be used for
cleaning purposes.
Ceramic tiled areas shall be closed to all traffic and kept damp
for a minimum period of 3 days after laying. No heavy traffic shall
be permitted for 14 days.
Rev
1
12.3.3 Vinyl Flooring
a. Preparation of Surface
Date
5-8-94
1. All surfaces to receive vinyl flooring shall be examined to
see that they are in proper condition.
Sheet
47 of 69
2. Surfaces shall be dried adequately before applying materials.
At the direction of the Company, a simple calcium chloride test to
ensure concrete surfaces are free of moisture may be performed.
3. Fill all cracks in sub-surfaces using approved crack filler
in accordance with the Company-Approved Manufacturer's printed
instructions. Clean surfaces of all remaining dirt and loose
particles before application of flooring materials.
4. Small dips and minor imperfections on the floor surfaces
shall be corrected using an approved self- levelling screed.
-
b. Laying Tiles
QKOCspeminmn EngfMng Grwp
Installation shall not start until work of other trades,
including painting, has been substantially completed. Printed
instructions of the Company-Approved Manufacturer of the material
shall be strictly followed.
The room temperature in any area where tiles are being installed
shall be maintained at not less than 20C from 48 hours prior to
commencement of this work to at least 48 hours after its
completion.
Specification Number
01 5-RH-1001
Tiles shall be layed in chequerboard fashion, square with room
axis, with continuous joints in both directions and with tiles at
edges being not less than half the width of the vinyl tiles.
Tiles shall be layed so as to ensure full uniform contact with
base material and to produce finished surfaces which are smooth,
even, and in true planes, free of buckles, waves and other
imperfections. Store and use adhesives in accordance with Company-
Approved Manufacturer's printed instructions.
Rev
1
Store and use adhesives in accordance with Company-Approved
Manufacturer's printed instructions.
Fit flooring neatly into breaks and recesses, against bases and
thresholds, and around pipes, columns and other projections. Cut,
fit and scribe borders after application of the vinyl tiles.
Date
5-8-94
At stair threads where vinyl flooring is required, joints shall
be alternated to each tread to achieve a symmetrical appearance,
starting with a full and cut tile and alternating to a cut and full
tile. Aluminium nosings of an approved type shall be used at the
intersection of tread and riser.
Sheet
48 of 69
Aluminium edge strips shall be installed where vinyl flooring
materials terminate at exposed concrete floors.
Surplus adhesive shall be cleaned from flooring materials
abutting at exposed concrete floors.
-
10. Tiles that have not been seated level with surrounding tiles
shall be adjusted in a manner recommended by the Company-Approved
Manufacturer's instructions.
E n g i d n g Grwp S ' n
11. Tiles showing broken corners or fracture lines shall be
rectified by warming tile, carefully removing, and replacing with
new tile of same type, colour, pattern and thickness.
All finishings to risers, bases and stringer material shall be
applied only after backing material has thoroughly dried. Apply
material with adhesives recommended for such use in strict
accordance with the Company-Approved Manufacturer's printed
instructions. Patch and fill back material if necessary using
self-levelling screed to provide continuous uniform surface.
Specification Number
01 5-RH-1001
I c. Cleaning Up After completion, flooring shall be allowed to
set overnight before initial cleaning. PVC flooring shall be
cleaned by damp mopping, followed as soon as dry with application
of a light coat of commercial buffable floor polish of specified
type, strictly following the Company Approved Manufacturer's
printed instructions. Care shall be taken not to flood the surface.
Except for initial cleaning and polishing, PVC floor finish shall
be allowed to set without traffic for at least 5 days after
installation.
Rev
1
12.3.4 Carpet Floor Tiles
Carpet floor tiles shall be adhesive or loose laid in accordance
with the Company-Approved Manufacturer's instructions.
Date
5-8-94
13.0 DRYWALL PARTITIONS
Sheet
49 of 69
I 13.1 General This section describes proprietary drywall
partition system.
I 13.2 Materials 1 3.2.1 Non-Fire Rated Partition
The drywall partition shall be in metal studs and 13-mm gypsum
wallboard. Partitions shall include hollow metal steel frames for
doors and fixed-glass windows. The partitions shall comply with
-
BS 7364 and BS 5234. Joints of wallboards shall be tapered,
taped and filled.
- -
E n g i d n g Grwp
1 3.2.2 Fire Rated Partition
a. The drywall partition shall be in metal studs and 16-mm
gypsum wallboard. Partitions shall include hollow metal steel
frames for doors and fixed-glass windows. The partitions shall
comply with BS 7364, BS 5234 and BS 476. Joints of wallboard shall
be tapered, taped and filled.
Specification Number
01 5-RH-1001
b. Gap within dry wall partitions shall be filled with thermal
insulating slabs.
c. Provisions shall be made for continuous horizontal and
vertical wireways for electrical fittings.
Rev
1
13.2.3 Lateral Restrain
Unless otherwise specified, drywall partitions shall be
laterally restrained.
Date
5-8-94
13.3.1 The drywall partition system shall be installed strictly
in accordance with the Company-Approved Manufacturer's
instructions.
Sheet
5 0 of 69
13.3.2 The drywall partition shall be extended to underside of
structure.
13.3.3 Centre line of drywall partitions shall be located on
floor.
13.3.4 Drywall partitions shall be erected straight and plumb
with all horizontal lines level.
13.3.5 Joints shall be provided at the connection between
drywall partition and structure.
13.3.6 Joints of plasterboard shall be tapered, taped and
filled.
14.0 METAL CLADDING
14.1 General
This section describes the materials and workmanship related to
the metal roof, wall cladding and accessories for roof and wall
system.
14.2 Materials
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14.2.1 Metal roof and wall cladding shall be a multi-layer
profiled, protected metal cladding system consisting of a
galvanised steel substrate, heavy epoxy base coat and high build
weather coat of urethane to external face and stoving polyester to
the internal face. Colour shall be approved by the Company.
Ewlne&ng Grwp -n
14.2.2 The hot-dip galvanised steel sheet shall be not less than
0.7 mm for both roof and wall cladding and shall comply with BS
2989, type G275 with minimum zinc coating weight 275 g/m2 total
both sides.
14.2.3 Pretreatment
Specification Number
01 5-RH-1001
After cleaning, complete a chemical conversion of the zinc
coating to a non-metallic surface with corrosion-inhibiting and
adhesion additives.
14.2.4 Primer
Rev
1
Anti-corrosive pigmented epoxy primer shall be applied, a
nominal 5 micron thick to both sides of panels and allowed to
cure.
14.2.5 Epoxy Barrier Coat
Date
5-8-94
Epoxy barrier coat combining special flexibiliser compounds
shall be applied, a nominal 70 microns thick to both sides of the
panels and allowed to bake to a hard corrosion-resistant
finish.
Sheet
51 of 69
14.2.6 External Weather Coat
A nominal 50-micron-thick urethane coating pigmented in
off-white colour shall be applied to both sides of the panels.
14.2.7 lnternal Coat
A nominal 20 microns storing polyester coating pigmented in
standard off-white colour.
14.2.8 lnternal Lining Panels
a. Insulated cladding shall have lining panels.
b. lnternal lining panels shall be of similar specification to
the external weathering sheets with an off-white painted finish to
the exposed face only. lnternal lining panels shall comply with BS
2989.
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c. Pre-engineered building internal lining panel system with
colomet paint finish shall be of the type as fabricated by the
Company-Approved Manufacturer.
14.2.9 Thermal Properties
Eng/&ng Grwp
To obtain thermal value 0.1 1 Btu in the roof and wall cladding.
Sq/FtI0 FIHr
The overall roof and wall cladding construction shall be
designed to give minimum 'U' value of 0.6W/m2I0C .
Specification Number
01 5-RH-1001
Fasteners shall be stainless steel weathered drive screws fitted
with integral stainless steel washer and sealant washer. Only
approved fasteners as on approved shop Drawings by the Company
shall be used.
Closures shall be fabricated from black polyurethane to suit
configuration. Closures shall be applied as required for a
weathertight installation.
Rev
1
Flashings shall be fabricated from sheet metal compatible with
cladding and coated as for cladding sheets. Flashings shall be as
approved on the shop Drawings by the Company.
Expos