> ## Documentation Index > Fetch the complete documentation index at: https://docs.sayed.app/llms.txt > Use this file to discover all available pages before exploring further. # Chapter 2: Materials ## 2.1 GENERAL Materials used for the construction of buildings shall conform to standard specifications listed in this part of the Code. Any deviation from the type design or architectural detail from those aac in these standards nr iad accepted by the Building Official as long as the materials standards specified therein are conformed with. ### 2.1.1 New or Alternative Materials The provisions of this part are not intended to prevent the use of any new and alternative materials. Any such material may be approved provided it is shown to be satisfactory for the purpose intended and at least the equivalent of that required in this part in quality, strength, effectiveness, fire resistiveness, durability, safety, maintenance and compatibility. Approval in writing shall be obtained by the owner or his agent before any new, alternative or equivalent materials are used. The es Official shall base such es, on the principle set forth in the previous paragraph and shall require that specified tests be made (Sec 2.1.4) or sufficient evidence or proof be submitted, at the expense of the owner or his agent, to substantiate any claim for the proposed material. (See Part 2, Administration and Enforcement). ### 2.1.2 Used Materials The provisions of this part do not preclude the use of used or reclaimed materials provided such materials meet the applicable requirements as for new materials for their intended use. ### 2.1.3 Storage of Materials All building materials shall be stored at the building site(s) in such a way as to prevent deterioration or the ae or impairment of their structural and other essential properties (See Part 7, Construction Practices and afety). Methods of Test Every test of material required in this part, or by the Building Official, for the control of quality and for the fulfilment of design and specification requirements, shall be carried out in accordance with a standard method of test issued by the Bangladesh Standards and Testing Institution. In the absence of Bangladesh Standards, Part 5 Building Materials the Building Official shall determine the test procedures. Laboratory tests shall be conducted by recognized laboratories acceptable to the Building Official. If, in the opinion of the Building Official, there is insufficient evidence of compliance with any of the provisions of the Code or there is evidence that any material or construction does not conform to the requirements of this Code, the Building Official may require tests to be performed as proof of compliance. The cost of any such test shall be borne by the owner. The manufacturer or supplier shall satisfy himself that the materials conform to the relevant standards and if requested shall furnish a certificate or guarantee to this effect. ## 2.2 MASONRY ### 2.2.1 Aggregates Aggregates for masonry shall conform to the standards listed as follows: ASTM C144, Aggregates for Masonry Mortar; ASTM C404, Aggregates for Masonry Grout; ASTM C331, Lightweight Aggregates for Concrete Masonry Units (the applicable standards for masonry are listed at the end of this section). ### 2.2.2 Cement Cement for masonry shall conform to the standards listed as follows: BDS 232: 1974, Portland Cement (Ordinary and Rapid Hardening) or ASTM C150, Portland Cement; ASTM C91, Masonry Cement; ASTM C595, Blended Hydraulic Cements. ### 2.2.3 Lime Limes for meseney shall conform to the standards listed as follows: ASTM C5, Quicklime for Structural Purposes; ASTM C207, Hydrated Lime for Masonry Purposes. ### 2.2.4 Masonry Units a) Clay: Masonry units of clay (or shale) shall conform to the standards listed as follows: BDS 208: 1980, Common Building Clay Bricks (First Revision); BDS 1249:1989, Acid Resistant Bricks; BDS 1250: 1989, Burnt Clay Facing Bricks; BDS 1263: 1990, Burnt Clay Hollow Bricks for Walls and Partitions; ASTM C34, Structural Clay Pog cio 2 Tile; ASTM C212, Structural Clay Facing Tile; ASTM C56 Structural Clay Non-Load-Bearing Tile; and IS 7556-1975 Burnt Clay Jallies. b) Concrete : Concrete masonry units shall conform to the standards listed as follows: ASTM C90, Hollow Load-Bearing Concrete Masonry Units; ASTM C129, Non-Load Bearing Units; ASTM C145, Solid Load-Bearing Units; ASTM C55, Concrete Building Bricks. c) Others i) Calcium Silicate: Calcium Silicate Face Brick (Sand-Lime Brick) shall conform to ASTM standard specification C73-75. ii) Glazed Masonry Units: Glazed Masonry building units shall conform to the standards listed as follows: ASTM C126, Ceramic-Glazed Structural Cla ses | Tile, Facing Brick, and Solid Masonry Units; or ASTM C744, Prefaced Concrete and Calcium Silicate Masonry Units. iii) Glass Block: Glass block may be solid or hollow and contain inserts; all mortar contact surfaces shall be treated to ensure adhesion between mortar and glass. iv) | Unburnt Clay Masonry Units: Masonry of unburnt clay units including cement stabilized and lime stabilized blocks shall not be used, in any building more than one storey in height. v) Architectural Terra Cotta: All architectural terra cotta units shall be formed with a strong homogeneous body of hard-burnt weather-resistant clay which Lae off a sharp metallic ring when struck. All units shall be formed to engage securely with and anchor to the structural frame or masonry wall. vi) Natural Stone: Natural stone for masonry shall be sound and free from loose friable inclusions. Natural stone shall have the strength and fire resistance required for the intended use. vii) Cast Stone: All cast stone shall be fabricated of concrete or other approved materials of required strength, durability and fire resistance for the intended use and shall be reinforced where necessary. viii) Second Hand Units: Second hand masonry units shall not be used unless the units conform to the requirements for new units. The units shall be of whole, sound material and be free form cracks and other defects that would interfere with proper laying or use. All old mortar shall be cleaned from the units before reuse. ### 2.2.5 Mortar Mortar shall consist of a mixture of cementitious material and aggregates to which sufficient water and approved additives, if any, have been added to achieve a workable, plastic consistency. Cementitious materials for mortar shall be one or more of the following: lime, masonry cement, Portland cement and mortar cement. Mortar for masonry construction other than the installation of ceramic tile shall conform to the requirements of ASTM C270, Mortar for Unit Masonry . ### 2.2.6 Grout Grout shall consist of a mixture of cementitious materials and aggregates to which water has been added such that the mixture will flow without segregation of the constituents. Cenectiteds materials for grout shall be one or both of the following: Lime and Portland cement. Grout shall have a minimum compressive strength of 13 MPa. Grout used in reinforced and nonreinforced masonry construction shall conform to the requirements of ASTM C476, Grout for Masonry. ### 2.2.7 Mortar for Ceramic Wall and Floor Tile Portland cement mortars for installing ceramic wall and floor tile shall comply with ANSI A 108.1 listed in Sec 2.2.11 and be of the composition specified in Table 5.2.1. Table 5.2.1 Ceramic Tile Mortar Compositions | Location | Coat | Composition | | :------- | :----------------------------- | :------------------------------------------------------------------------------------ | | Walls | Scratchcoat | 1 cement; 1/5 hydrated lime; \* 4 dry or 5 damp sand | | | Setting bed and levelling coat | 1 cement; 1/2 hydrated lime; 5 damp sand to 1 cement; 1 hydrated lime; 7 damp sand | | Floors | Setting bed | 1 cement; 1/10 hydrated lime; 5 dry or 6 damp sand; or 1 cement; 5 dry or 6 damp sand | | Ceilings | Scratch coat and sand bed | 1 cement; 1/2 hydrated lime; 2 1/2 dry sand or 3 damp sand | Note: \* Lime may be excluded from the mortar if trial mixes indicate that the desired workability and performance are achieved without lime. ### 2.2.8 Metal Ties and Anchors Metal ties and anchors shall conform to the standards listed as follows: ASTM A82, Wire Anchor and Ties; and ASTM A366 M, Sheet Metal Anchors and Ties. ### 2.2.9 Reinforcement Reinforcement in masonry shall conform to the standards listed as follows: ASTM A82, Cold Drawn Steel Wire for Concrete Reinforcement; ASTM A615M, Deformed and Plain Billet Steel Bars; ASTM A616M, Rail- Steel Deformed and Plain Bars; ASTM A617M, Axle-Steel Deformed and Plain Bars; ASTM A706M, Low- Alloy Steel Deformed Bars; ASTM A767M, Zinc-Coated (Galvanized) Steel Bars; and ASTM A775M, Epoxy * Coated Reinforcing Steel Bars. ### 2.2.10 Water Water used in mortar or grout shall be clean and free of deleterious amounts of acid, alkalis or organic material or other harmful substances. ### 2.2.11 Applicable Standards for Masonry The applicable standards for Masonry are listed below: BDS 208 : 1980 Specification for Common Building Clay Bricks (First Revision); BDS 232 : 1974 Specification for Portland Cement (Ordinary and Rapid Hardening) (First Revision); BDS 1249 ; 1989 Specification for Acid Resistant Bricks; BDS 1250 : 1989 Specification for Burnt Clay Facing Bricks; BDS 1263 : 1990 Specification for Burnt Clay Hollow Bricks for Walls and Partitions; ANSI A108-1 S a for the Installation of Ceramic Tile with Portland Cement ortar; ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM \_ ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ## 2.3 STEEL A82-90a A366M-91 A615-90 A615M-90 A616M-90 A617M-90 A706M-90 A76M-90 A775M-91b C5-79(1988) C34-84 (1990) C55-85 C56-71 (1986) C73-85 (1989) C90-91 C126-86 C129-85(1990) C144-89 C145-85 €207-79(1988) €212-60 (1986) €331-89 C476-83 C595-89 C744-73(1985) ### 2.3.1 Reinforcing Steel Reinforcing steel shall comply with the requirements specified in Sec 2.4.6 in this Part. Specification for Steel Wire, Plain, for Concrete Reinforcement; Specification for Steel Sheet, Carbon, Cold-Rolled, Commercial Quality; Specification for Deformed and Plain Billet-steel Bars for Concrete Reinforcement; Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement ; Specification for Rail-Steel Deformed and Plain Bars for Concrete Reinforcement; Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement; Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement; Specification for Zinc-Coated (Galvanized) Steel Bars for Concrete Reinforcement; Specification for Epoxy-Coated Reinforcing Steel Bars; Specification for Quicklime for Structural Purposes; Specification for Structural Clay Load Bearing Wall Tile; Specification for Concrete Building Brick; Specification for Structural Clay Non-Load -Bearing Tile; Specification for Calcium Silicate Face Brick (Sand-Lime Brick); Specification for Hollow Load-Bearing Concrete Masonry Units; Specification for Masonry Cement; Specification for Ceramic Glazed Structural Clay Facing Tile, Facing Brick, and Solid Masonry Units; Specification for Non-Load-Bearing Concrete Masonry Units; Specification for Aggregate for Masonry Mortar; Specification for Solid Load-Bearing Concrete Masonry Unit; Specification for Portland Cement; Specification for Hydrated Lime for Masonry Purposes; Specification for Structural Clay Facing Tile; Specification for Mortar for Unit Masonry; Specification for Lightweight Aggregates for Concrete Masonry Units; Specification for Aggregates for Masonry Grout; Specification for Grout for Masonry; Specification for Blended Hydraulic Cements; Specification for Prefaced Concrete and Calcium Silicate Masonry Units; ### 2.3.2 Structural Steel Structural steel shall conform to Bangladesh Standards BDS 878 : 1978, Specification for Weldable Structural Steels; BDS 1355 : 1992, Dimensions and Properties of Hot Rolled Steel Beam, Column, Channel and Angle Sections. Where Bangladesh standards are not available, the relevant standards listed below shall be applicable. ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM A27M-91 A36 M-91 A48-88(1990) A53-90 A148 M-90 A242 M-91 A252-90 A283 M-91 A307-91 A325-91 A325 M-91 A336 M-89 A446 M-91 A449-91 A490 M-91 A500-90 A501-89 A514 M-91 A529 M-89 A563 M-91 A569 M-91 A570 M-91 A572 M-91 A588 M-91 A606-91 Specifications for Steel, Castings, Carbon, for General Application; Specification for Structural Steel; Specification for Grey Iron Castings; Specifications for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless; Specifications for Steel Castings, High Strength, for Structural Purposes; Specification for High-Strength Low-Alloy Structural Steel; Specification for Welded and Seamless Steel Pipe Piles; Spansion for Low and Interntediate Tensile Strength Carbon Steel Plates; 3 Specification for Carbon Steel Bolts and studs, 413.7 MPa, (60000 psi) ensile Strength; Specification for Structural Bolts, Heat Treated, 827.4/861.9 MPa (20 /125 ksi) Minimum Tensile Strength; Specification for High Strength Bolts for Structural Steel Joints; eee aes for Steel Forgings, Alloy; for Pressure and High-Temperature ‘arts; Specification for Steel, Sheet, Zinc Coated (Galvanized) by the Hot-Dip Process, Structural (Physical) Quality; Specification for Quenched and Tempered Steel Bolts and Studs; Specification for High-Strength Steel Bolts for Structural Steel Joints; Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes; Sperication for Hot-Formed Welded and Seamless Carbon Steel Structural ‘ubing; Specification for High-Yield Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding; Specification for Structural Steel with 290 MPa (42 ksi) Minimum Yield Point (13 mm or 4 in Maximum Thickness); Specification for Carbon and Alloy Steel Nuts; Specification for Steel, Carbon (0.15 Maximum, per cent), Hot-Rolled Sheet and Strip Commercial Quality; tae for Steel Sheet and Strip, Carbon, Hot-Rolled, Structural ality; Specification for High Strength, Low-Alloy Columbium-Vanadium Steels of Structural Quality; Specification for High Strength Low-Alloy Structural Steel with 345 MPa en ksi) Minimum Yield Point to 100 mm (4 in.) Thick; Specification for Steel; Sheet and Strip, High-Strength, Low-Alloy, Hot- Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance; ASTM A607-91 Specification for Steel Sheet and Strip, High-Strength, Low-Alloy olumbium or Vanadium, or Both, Hot-Rolled and Cold-Rolled; ASTM A611-91 Specification for Steel, Carbon, Cold-Rolled, Structural Quality; ASTM A618-90 Specification for Hot-Formed Welded and Seamless High-Strength Low- Alloy Structural Tubing; ASTM A666-91 Specification for Austenitic Stainless Steel, Sheet, Strip, Plate and Flat Bar; ASTM A668-90 ages for Steel Forgings, Carbon and Alloy, for General Industrial Se; ASTM A690 M-90 Specification for High-Strength Low-Alloy Steel H Piles and Sheet Piling for Use in Marine Environments; ASTM A715-91 Specification for Steel Sheet and Strip, High Strength, Low-Alloy, Hot- Rolled and Steel, Sheet Cold-Rolled, High-Strength, Low-Alloy with Improved Formability; ASTM A852 M-91 Specification for Quenched and Tempered Low-Alloy Structural Steel Plate with 485 MPa (70 ksi) Minimum Yield Strength to 100 mm (4 in.) Thick. ### 2.3.3 Steel Plate, Sheet and Strips These shall conform to the following standards. BDS 681 : 1968 Specification for Hot-Rolled Steel Strips (under revision); BDS 868 : 1978 Code of Practice for Galvanized Corrugated Sheet Roof and Wall Coverings; BDS 1122 : 1985 Specification for Hot-dip Galvanized Steel Sheet and Coil; IS 412: 1975 Specification for Expanded Metal Steel Sheets for General Purposes (Second Revision); IS 1079 : 1973 Specification for Hot-Rolled Carbon Steel Sheet and Strip (Third Revision); IS 4030 : 1973 Specification for Cold-Rolled Carbon Steel Strip for General Engineering Purposes (First Revision); IS 7226 : 1974 Specification for Cold-Rolled Medium, High Carbon and Low-Alloy Steel Strip for General Engineering Purposes; IS 3502 : 1966 Specification for Steel Chequered Plates. For steel plate, sheet and strip, where Bangladesh Standards are not available, the relevant ASTM standards (listed below) shall be applicable. ASTM A109M-91 Specifications for Steel, Strip, Carbon, Cold-Rolled; ASTM A123-89 Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products; ASTM A167-91 ane for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip; ASTM A176-90 Specification for Stainless and Heat-Resisting Chromium-Steel Plate, Sheet, and Strip; ASTM A240-91 Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels; ASTM A263-91 Specification for Corrosion-Resisting chromium Steel-Clad Plate, Sheet, and Strip; ASTM A264-91 Specification for Stainless Chromium-Nickel Steel-Clad Steel Plate, and Strip; ASTM A285/A285 M-90 Specification for Pressure Vessel Plates, Carbon Steel, Low and Intermediate-Tensile Strength; ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM A328/A328 M-90 A366/A366M-91 414/A414 M-91 A424-91 A444/A444M-89 A463-88 A480/A480 M-91 A505-87 A506-91 A506-91 A527 /A527M-90 A568/A568 M-91 A569A569 M-91 A570/A570 M-91 A577/A577 M-90 A578/A578 M-90 A591/A591 M-89 A599-84 A606-91 A607-91 A611-91 A635/A635 M-91 A642/A642 M-90 A666-91 690/A690 M-90 A715-91 Specification for Steel Sheet Piling; Specification for Steel Sheet, Carbon, Cold-Rolled, Commercial Quality; Specification for Steel Sheet, Carbon, for Pressure Vessels; Specification for Steel, Sheet, for Porecelain Enameling; Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process for Storm Sewer and Drainage Pipe; Specification for Steel Sheet Cold-Rolled, Aluminum-Coated, Type 1 and ype 2; Specification for General Requirements for Flat-Rolled Stainless and Heat- Resisting Steel Plate, Sheet, and Strip; Specification for Steel, Sheet and Strip, Alloy, Hot-Rolled and Cold-Rolled, neral Requirements for; Specification for Steel, Sheet and Strip, Alloy, Hot-Rolled and Cold-Rolled, egular Quality and Structural Quality; Specification for Steel, Sheet and Strip, Alloy, Hot-Rolled and Cold-Rolled, ‘ Drawing Quality; Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process, Lock-forming Quality; Specification for Steel, Sheet, Carbon, and High-Strength, Low-Alloy, Hot- Rolled and Cold-Rolled, General Requirements for; Specification for Steel, Carbon (0.15 Maximum, Per cent), Hot-Rolled Sheet and Strip Commercial Quality; S eo for Steel, Sheet and Strip, Carbon, Hot-Rolled, Structural ality; Specification for Ultrasonic Angle-Beam Examination of Steel Plates; Specification for Straight-Beam Ultrasonic Examination of Plain and Clad Steel Plates for Special Applications; Specification for Steel Sheet, Electrolytic Zinc-Coated, for Light Coating ass Applications; Specification for Steel Sheet, Cold-Rolled, Tin-Coated by Electro- deposition; Specification for Steel, Sheet and bal High-Strength, Low-Alloy, Hot- Rolled and Cold-Rolled, with Improved Atmospheric Corrosion Resistance; Specification for Steel, Sheet and Strip, High-Strength, Low-Alloy, olumbium or Vanadium, or Both, Hot-Rolled and Cold-Rolled; Specification for Steel, Sheet, Carbon, Cold-Rolled, Structural Quality; Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Carbon, ot-Rolled; Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-dip Process, Drawing Quality, Special Killed; Specification for Austenitic Stainless Steel, Sheet, Strip, Plate, and Flat Bar; Specification for High-Strength Low-Alloy Steel H-Piles and Sheet Piling for Use in Marine Environments; Specification for Steel Sheet and Strip, ee iene Low-Alloy, Hot- Rolled, and Steel Sheet, Cold-Rolled, High-Strength, Low-Alloy, with Improved Formability; ASTM ASTM ASTM ASTM ### 2.3.4 Steel Pipe, Tube and Fittings These items shall conform to the following standards : ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM A775/A775 M-91 A792 M-85 A857-90 A875/A875 M-88 A53-90 A105/A105M-90 A106-91 A134-90 A139-90 A181/A181M-90 A182/A182M-91 A211-75 (1985) A234/A234M-90 A252-90 A254-91 A268/A268M-91 A269-90 A270-90 A312/A312m-91 A333/A333m-91 A334/A334M-91 A403/A403M-91 A420/A420M-91 A423/A423M-90 A450/A450M-91 A500-90 A501-89 Specification for Epoxy-Coated Reinforcing Steel Bars; Specification for Steel Sheet, Aluminum-Zinc Alloy-Coated by the Hot-Dip Process. General Requirements (Metric); Specification for Steel Sheet Piling, Cold Formed, Light Gage; Fe igre for Steel Sheet, Zinc-5 % Aluminum Alloy Metallic-Coated by the Hot-Dip Process; Specification for Pipe, Steel, Black and Hot-Dipped, Zine Coated Welded and Seamless; Specification for Forgings, Carbon Steel, for Piping Components; Specification for Seamless Carbon Steel Pipe for High-Temperature Service; Specification for Pipe Steel Electric - Fusion (Arc) - Welded (sizes NPS 16 and Over); Specification for Electric-Fusion (Arc) - Welded Steel Pipe (NPS-4 and er); Specification for Forgings, Carbon Steel, for General-Purpose Piping; Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service; Specification for Spiral-Welded Steel or Iron Pipe; Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and Elevated Temperatures; Specification for Welded and Seamless Steel Pipe Piles; Specification for Copper-Brazed Steel Tubing; Specification for Seamless and Welded Ferritic and Martenistic Stainless Steel Tubing for General Service; Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service; S eeueeton for Seamless and Welded Austenitic Stainless Steel Sanitary ‘ubing; Specification for Seamless and Welded Austenitic Stainless Steel Pipes; Specification for Seamless and Welded Steel Pipe for Low-Temperature Service; Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service; Specification Wrought Austenitic Stainless Steel Piping Fittings; Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service; Specification for Seamless and Electric-Welded Low-Alloy-Steel Tubes; Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy steel Tubes; Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes; Specification for Hot-Formed Welded and Seamless Carbon Steel Structural tubing; ASTM A522/A522M-90 Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low Temperature Service; ASTM A524-89 esa ee for Seamless Carbon Steel Pipe for Atmospheric and Lower emperatures; ASTM A530/A530M-91 Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe; ASTM A589-89 Specification for Seamless and Welded Carbon Steel Water-Well Pipe; ASTM A618-90 Specification for Hot-Formed Welded and Seamless High-Strength Low- Alloy Structural Tubing; ASTM A632-90 ct Aaah crt for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service; ASTM A707/A707M-90 7 Secor for Flanges, Forged, Carbon and Alloy-Steel for Low- emperature Service; ASTM A733-89 Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples; ASTM A778-90 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products; ASTM A807-88 Practice for Installing Factory-Made Corrugated Steel Pipe for Sewers and Other Applications; ASTM A865-89 Steet for Threaded a a ae Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints. ### 2.3.5 Steel Bars, Wire and Wire Rods These shall conform to the following standards. ASTM A29 M-91 Specification for Steel Bars, Carbon and Alloy, Hot-Wrought and Cold- inished, General Requirements for; ASTM A49-87 Specification for Heat-Treated Carbon Steel Joint Bars; ASTM A108-90 Specification for Steel Bars, Carbon Cold Finished, Standard Quality; ASTM A116-88 Specification for Zinc Coated (galvanized) Steel Woven Wire Fence Fabric; ASTM A185-90a Specification for Steel Welded Wire Fabric, Plain for Concrete Reinforcement; ASTM A227 M-91 Specification for Steel Wire, Cold-Drawn for Mechanical Springs; ASTM A228 M-91 Specification for Steel Wire, Music Spring Quality; ASTM A229 M-91 Specification for Steel Wire, Oil-Tempered for Mechanical Springs; ASTM A276-91 Specification for Stainless and Heat-Resisting Steel Bars and Shapes; ASTM A311 M-90 Specification for Stress-Relieved Cold-Drawn Carbon Steel Bars Subject to lechanical Property Requirements; ASTM A321-90 Specification for Steel Bars, Carbon, Quenched and Tempered; ASTM A322-91 Specification for Steel Bars, Alloy, Standard Grades; ASTM A331-90 Specification for Steel Bars, Alloy, Cold-Finished; ASTM A368-82 Specification for Stainless and Heat-Resisting Steel Wire Stand; ASTM A434-90 Specification for Steel Bars, Alloy, Hot-Wrought or Cold-finished, tuenched and Tempered; ASTM A475-89 Specification for Zinc-Coated Steel Wire Strand; ASTM A478-91 Specification for Chromium-Nickel Stainless and Heat-Resisting Steel eaving and Knitting Wire; ASTM A479 M-91 Specification for Stainless and Heat-Resisting Steel Bars and Shapes for se in Boilers and other Pressure Vessels; ASTM A492-82(1987) Specification for Stainless and Heat-Resisting Steel Rope Wire; ASTM A499-89 Specification for Steel Bars and Shapes, Carbon Rolled for "T" Rails; ASTM A510-91 Specification for Wire Rods and Coarse Round Wire, Carbon Steel; ASTM A575-89 Specification for Steel Bars, Carbon, Merchant Quality, M Grades; ASTM A576-90 Specification for Steel Bars, Carbon, Hot-Wrought Special Quality; ASTM A580-91 Specification for Stainless and Heat-Resisting Steel Wire; ASTM A586-86(1991) Pe for Zinc-Coated Parallel and Helical Steel Wire Structural trand; ASTM A603-88 Specification for Zinc-Coated Steel Structural Wire Rope; ASTM A627-88 Specification for Homogeneous Tool-Resisting Steel Bars for Security Applications; ASTM A629-88 Specification for Tool-Resisting Steel Flat Bars and Shapes for Security Applications; ASTM A641 M-91 Specification for Zinc-Coated (Galvanized) Carbon Steel Wire, ASTM A663 M-89 Specification for Steel Bars, Carbon, Merchant Quality, Mechanical Properties; ASTM A666-91 Specification for Austenitic Stainless Steel Sheet, Strip, Plate and Flat Bar; ASTM A706 M-90 Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement; ASTM A764-90 Specification for Steel Wire, Carbon, Drawn Galvanized and Galvanized at Size for Mechanical Springs; ASTM = (C933-80(1990) Specification for Welded Wire Lath. ### 2.3.6 Steel Fasteners Steel fasteners shall conform to the following standards : ASTM A31-89 Specification for Steel Rivets and Bars for Rivets, Pressure Vessels; ASTM \_ A183-83(1990) Specification for Carbon Steel Track Bolts and Nuts; ASTM A193 M-91 Hf eagemansi for Alloy-Steel and Stainless Steel Bolting Materials for 'igh-Temperature Service; ASTM A194 M-91 Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure and High-Temperature Service; ASTM A307-91 a a ih for Carbon Steel Bolts and Steeds, 413.7 MPa (60,000 psi) ensile Strength; ASTM A320 M-91 Specification for Alloy-Steel Bolting Materials for Low-Temperature Service; ASTM A325 M-91 Specification for High-Strength Bolts for Structural Steel Joints; ASTM A354-91 Specification for Quenched and Tempered Alloy-Steel Bolts, Studs and other Externally Threaded Fasteners; ASTM A437M-90 Specification for Alloy-Steel Turbine-Type Bolting Material Specially eat Treated for High-Temperature Service; ASTM A449-91 Specification for Quenched and Tempered Steel Bolts and Steeds; ee ASTM A489-90 Specification for Carbon Steel Eyebolts; ASTM A490 M-91 pee age for ai Steel Bolts for Structural Steel Joints (Classes 10.9 and 10.9.3); ASTM A502-91 Specification for Steel Structural Rivets; ASTM A540 M-88 Specification for Alloy-Steel Bolting Materials for Special Applications; ASTM A563 M-91 Specification for Carbon and Alloy Steel Nuts; ASTM = C954-86 Specification for Steel Drill Screws for the Application of Gypsum Board or Metal Plaster Bases to Steel Studs from 0.84 mm (0.033 in.) to 2.84 mm (0.112 in. ) in Thickness; ASTM C955-88 Specification for Load-Bearing (Transverse and Axial) Steel Studs, Runner Ch rack), and Bracing or Bridging, for Screw Application of Gypsum Board and Metal Plaster Bases; ASTM F959-90 Specification for Compressible-Washer-Type Direct Tension Indicators for se with Structural Fasteners; ASTM = C1002-88 Specification for Steel Drill Screws for the Application of Gypsum Board or Metal Plaster Bases. ASTM F436 M-91 Specification for Hardened Steel Washers; ASTM F593-91 Specification Stainless Steel Bolts, Hex Cap Screws and Studs; ASTM F594-91 Specification for Stainless Steel Nuts; ASTM F844-90 Specification for Washers, Steel, Plain (Flat), Unhardened for General Use; ASTM A574 M-90 Specification for Alloy-Steel Socket-Head Cap Screws; ASTM A687-89 Specification for High-Strength Non headed Steel Bolts and Steeds; ASTM C514-86 Specification for Nails for the Application of Gypsum Board; ### 2.3.7 Welding Electrodes and Wires Welding electrodes and wires shall conform to the following standards : IS 814 - 1974 Specification for Covered Electrodes for Arc Welding of Structural Steels : Part I for Welding Products Other Than Sheets (Fourth Revision); Part II for Welding Sheets (Fourth Revision); IS 815-1974 Classification and Coding of Covered Electrodes for Metal Arc Welding of Structural Steels (Second Revision); IS 1278-1972 Specification for Filler Rods and Wires for Gas Welding (Second Revision); IS 1395-1982 Specification for Low and Medium Alloy Steel Covered Electrodes for anual Metal Arc Welding (Third Revision); IS 3613-1974 Acceptance Tests for Wire Flux Combinations for Submerged-Arc Welding of Structural Steel (First Revision); IS 4972-1968 Specification for Resistance Spot-Welding Electrodes; IS 6419-1971 Specification for Welding Rods and Base Electroes for Gas Shielded Are elding of Structural Steel; IS 6560-1972 Specification for Molybdenum and Chromium-Moly-bdenum Low Alloy Steel Welding Rods and Base Electrodes for Gas Shielded Arc Welding; IS 7280-1974 Specification for Base Wire Electrodes for Submerged-Arc Welding of Structural Steels; IS 8363-1976 Specification for Bare Wire Electrodes for Electroslag Welding of Streels; BDS 239: 1963 Specification for Soft Solder (under revision); ISO 9453:1990 Soft Solder Alloys-Chemical Compositions and Forms; ISO 9454:1990 Soft Soldering Fluxes-Classification and Requirements Part 1 : Classification, Labelling and Packaging; ISO 9455-1: 1990 Soft Soldering Fluxes- Test Methods Part 1: Determination of Non-volatile Matter, Gravimetric Method; ISO 9455-8:1991 Soft Soldering Fluxes-Test Methods Part 8 : Determination of Zinc Content; ISO 9455-11:1991 Soft Soldering Fluxes-Test Methods Part 11 : Solubility of Flux Residues; ISO 9455-14:1991 Soft Soldering Fluxes-Test Methods Part 14: Assessment of Tacriness of Flux Residues. ## 2.4 CEMENT AND CONCRETE ### 2.4.1 General Materials used to produce concrete and admixtures for concrete shall comply with the requirements of this section and those of Chapter 5, Part 6 of this Code. ### 2.4.2 Aggregates Concrete aggregates shall conform to the following standards: BDS 243 : 1963, Coarse and Fine Aggregates from Natural Sources for Concrete; ASTM C33, Concrete Ag: regates; ASTM C330, Lightweight Aggregates for Structural Concrete; ASTM C637, Aggregates for Radiation-Shielding Concrete; ASTM C332 , Lightweight Aggregate for Insulating Concrete; IS: 9142 Artificial Lightweight Aggregates for Concrete Masonry Units. #### 2.4.2.1 Special Tests Aggregates failing to meet the specifications listed in Sec 2.4.2 shall not be used unless it is shown by special test or actual service experience to produce concrete of adequate strength and durability and approved by the Building Official. #### 2.4.2.2 Nominal Size Nominal maximum size of coarse aggregate shall not be larger than: i) One-fifth of the narrowest dimension between sides of forms; or ii) One-third the depth of slabs; or iii) Three fourths the minimum clear spacing between individual reinforcing bars or wires, bundles of bars, or prestressing tendons or ducts. Exception: The above limitations regarding size of coarse aggregate may be waived if, in the judgment of the Engineer, workability and methods of consolidation are such that concrete can be placed without honeycomb or voids. ### 2.4.3 Cement Cement shall conform to the ae retckck Skirt oe BDS 232, Portland Cement (Ordinary and Rapid Hardening); BDS 612, Sulphate Resisting Portland Cement-Type A; ASTM C150, Portland Cement; ASTM C 595, Blended Hydraulic Cements; and to other such,cements listed in ACI 318. ### 2.4.4 Water Water used in mixing concrete shall be clean and free from injurious amounts of oils, alkalies salts, organic materials or other substances that may be deleterious to concrete or reinforcement. #### 2.4.4.1 Chloride Ions Mixing water for prestressed concrete, or for concrete that will contain aluminium embededments, including the portion of mixing water contributed in the form of free moisture on aggregates shall not contain deleterious amounts of chloride ion. The maximum water-soluble chloride ion concentration in concrete shall not exceed the limitations specified in Sec 5.5.3 of Part 6. #### 2.4.4.2 Potability Nonpotable water shall not be used in concrete unless the following are satisfied: a) Selection of concrete proportions shall be based on concrete mixes using water from the such source. b) Mortar test cubes made with nonpotable mixing water shall have 7-day and 28-day strengths equal to at least 90 per cent of strengths of similar specimens made with potable water. ### 2.4.5 Admixtures Admixtures to be used in concrete shall be subject to prior approval by the Building Official and shall comply with Sec. 2.4.5.1 through 2.4.5.5. #### 2.4.5.1 Chloride Calcium chloride or admixtures containing chloride from admixture ingredients shall not be used in prestressed concrete, concrete containing embedded aluminium in concrete cast against permanent galvanized metal forms, or in concrete exposed to severe or very severe sulphate-containing solutions (see Sec 5.2.1 of Part 6). #### 2.4.5.2 Standards Air-entraining admixtures shall conform to ASTM C260. Water-reducing admixtures, retarding admixtures, accelerating admixtures, water-reducing and retarding admixtures, and water-reducin and accelerating admixtures shall conform to ASTM C494, Chemical Admixtures for Concrete, or AST! C1017, Chemical Admixtures for Use in Producing Flowing Concrete. #### 2.4.5.3 Pozzolanas Fly ash (Pulverized Fuel Ash) or other pozzolans used as admixtures shall conform to ASTM C618. #### 2.4.5.4 Blast Furnace Slag Ground granulated blast-furnace slag used as an admixture shall conform to ASTM C989. #### 2.4.5.5 Pigment for Coloured Concrete Pigment for integrally coloured concrete shall conform to ASTM 979\. ### 2.4.6 Metal Reinforcement Reinforcement and welding of reinforcement to be placed in concrete shall conform to the requirements of this section. a) Deformed Reinforcement : Deformed reinforcing bars shall conform to the following standards; BDS 1313, Steel Bars and Wires for Reinforcement of Concrete; BDS 580, Rolled Deformed Steel Bars (intermediate grade) for Concrete Reinforcement; Reinforcement conforming to the ASTM, Standards: A615M, Deformed and Plain Billet-Steel Bars; A616M, Rail-Steel Deformed and Plain Bars; A617M, Axle-Steel Deformed and Plain Bars; A706M, Low-Alloy Steel Deformed Bars; A767M, Zinc Coated (Galvanized) Steel Bars; and A775M, Epoxy-Coated Reinforcing Steel. Deformed reinforcing bars with a specified yield strength ( iby ) exceeding 410 MPa may be used, provided fy shall be the stress corresponding to a strain of 0.35 per cent and the bars otherwise conform to ASTM standards noted above. Fabricated deformed steel bar mats conforming to ASTM A184M and deformed steel wire complying with ASTM A496 may be used. Deformed wire for concrete reinforcement shall not be smaller than size D4 (Nominal diameter : 5.72 mm), and for wire with a specified yield strength f,, exceeding 410 MPa shall be the stress corresponding to a strain of 0.35 per cent. eth fy 8 y ponding P Welded deformed steel wire fabric conforming to ASTM A497 may be used; for a wire with a specified yield strength ( ie ) exceeding 410 MPa, fy shall be the stress corresponding to a strain of 0.35 per cent. Welded intersections shall not be spaced farther apart than 400 mm in direction of calculated stress, except for wire fabric used as stirrups. b) Plain Reinforcement : Plain reinforcement shall conform to the following BDS and ASTM standards. BDS 1313; ASTM A615M; A616M and A617M. Steel welded wire, fabric plain reinforcement conforming to ASTM A185 may be used, except that for wire with a specified yield strength f, exceeding 410 MPa, fy shall be the stress corresponding to a strain of 0.35 per cent. Welded intersections shall not be spaced farther apart than 300 mm in direction of calculated stress, except for wire fabric used as stirrups. Smooth steel wire conforming to ASTM A82 may be used in concrete; except that for a wire with a specified yield strength fy exceeding 410 MPa, fy shall be the stress corresponding to a strain of 0.35 per cent. c) Cold-worked Steel Reinforcement : Cold-worked steel high strength bars shall conform to IS 1786 : 1985 or BS 4461 : 1978. d) Bitte Shae : Wire, strands and bars for tendons in prestressed concrete shall conform to BDS : 240, Plain Cold Drawn Steel Wire; ASTM A416, Steel Strand Uncoated Seven-Wire Stress Relieved; ASTM A421, Uncoated Stress Relieved Steel Wire; and ASTM A722, Uncoated High-Strength Steel Bar. Wires, strands and bars not specifically listed in the above standards may be used, provided they conform to minimum requirements of these specifications and do not have properties that make them less satisfactory than those listed. e) Structural Steel, Steel Pipe or Tubing : Structural steel used with reinforcing bars in composite compression members meeting the requirements of the Code shall conform to ‘ASTM A36M, Structural Steel; ASTM A242M, High Strength Low-Alloy Structural Steel; ASTM A572M, High-Strength Low- Alloy CohuiabiaineVaradicicn Steel; and ASTM A588M, High-Strength Low-Alloy Structural Steel. Steel pipe or tubing for composite compression members socspcora of a steel-encased concrete core meetin; the requirements of this Code shall conform to ASTM A53, re Steel, Black and Hot Dipped Zinc Coated Welded and Seamless; ASTM A500 Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes; and ASTM A501, Hot-Formed Welded and Seamless Carbon Steel Structural Tubing. ### 2.4.7 Applicable Standards terials used in concrete shall comply with the applicable standards listed below. BDS 279:1963 Specification for Abrasion of Coarse Aggregates by Use of Los Angeles achine (under revision); BDS 281:1963 Specification for Organic Impurities in Sands for Concrete (under revision); BDS 282:1963 Specification for Method of Test for Amount of Materials Finer than 0\. 200 BDS Sieve in Aggregates; BDS 283:1963 Specification for Method of Test for Soundness of Aggregates by Use of Sodium Sulphate or Magnesium Sulphate (under revisien: BDS 284:1963 Specification for Sampling Aggregates for Concrete (under revision); BDS 285:1963 Aas bgp for Method of Test for Sieve or Screen Analysis of Fine and oarse Aggregates (under revision); BDS 921:1980 Specification for Standard Sand for Testing of Cement; BDS 1044:1983 Methods of Testing Concrete, Part-1, Methods of Sampling Fresh Concrete; Part-2, Method of Testing Fresh Concrete; BDS 240:1963 Specification for Plain Cold Drawn Steel Wire for Prestressed Concrete; BDS 242:1963 Specification for Tensile Testing of Steel Wire (under revision); BDS 243:1963 Specification for Coarse and Fine Aggregates from Natural Sources for concrete; BDS 244: 1964 Bend Test for Steel (under revision); ASTM C31-89 Practice for Making and Curing Concrete Test Specimens in the Field; ASTM C39-86 Test Method for Compressive Strength of Cylindrical Concrete Specimens; ASTM C42-90 Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete; ASTM C78-84 Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading); ASTM C94-90 Specification for Ready-Mixed Concrete; ASTM C172-90 Practice for Sampling Freshly Mixed Concrete; ASTM C192-90 Practice for Making and Curing Concrete Test Specimens in the Laboratory. ASTM C317-91 Specification for Gypsum Concrete; ASTM C496-90 Test Method for Splitting Tensile Strength of Cylindrical Concrete ; Specimens; ASTM C617-87 Practice for Capping Cylindrical Concrete Specimens; ASTM C685-90 eros for Concrete Made by Volumetric Batching and Continuous ixing; ASTM C989-89 Specification for Ground Granulated Blast-Furnace Slag for Use in ‘oncrete and Mortars. ### 2.4.8 Concrete Pipe and Precast Sections Concrete pipes and precast sections shall conform to the standards listed below : ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM C14M-90 C76M-90 C361M-90 C444 M-90 C478M-90 C507 M-90 C654 M-90 C655 M-90 C789 M-90 858-83 (1990) C913-89 C924 M-89 IS 458-1971 IS 784-1978 IS 1916-1963 IS 3597-1966 IS 4350-1969 IS 7319-1974 IS 7322-1974 ### 2.4.9 Asbestos Cement Products Specification for Concrete Sewer, Storm Drain, and Culvert Pipe; Specification for Reinforced Concrete Culverts, Storm Drain, and Sewer Pipe; Specification for Reinforced Concrete Low-Head Pressure Pipe; Specification for Perforated Concrete Pipe; Specification for Precast Reinforced Concrete Manhole Sections; Specification for Reinforced Concrete Elliptical Culvert, Storm Drain and Sewer Pipe; Specification for Porous Concrete Pipe; Specification for Reinforced Concrete D-Load Culvert, Storm Drain and Sewer Pipe; Specification for Precast Reinforced Concrete Box; Sections for Culverts, Storm Drains, and Sewers; Underground Precast Concrete Utility Structures; and Practice for Installation of Underground Precast Concrete Utility Structures and Testing Concrete Pipe Sewer Lines by Low-Pressure; Specification for Precast Concrete Water and Wastewater Structures; Practice for Testing Concrete Pipe Sewer Lines by Low-Pressure Air Test; Specification for Concrete Pipes (with or without reinforcement) (Second Revision); Specification for Prestressed Concrete Pipes (including fittings) (First Revision); Specification for Steel Cylinder Reinforced Concrete Pipes; Methods of Test for Concrete Pipes; Specifications for Porous Pipes for Underdrainage; Specification for Perforated Concrete Pipes; Specification for Specials for Steel Cylinder Reinforced Concrete Pipes. Asbestos cement products shall conform to the following standards: BDS BDS BDS BDS BDS BDS ASTM ASTM 428:1964 429:1964 430:1964 431:1964 579:1966 1046:1983 C222-88 C223-88 Specification for Asbestos Cement Pressure Pipes (under revision); Specification for Asbestos Cement Building and Sanitary Pipes (under revision); Specification for Asbestos Cement Corrugated Sheets for Roofing and adding (under revision); Specification for Asymmetrical Section Corrugated Sheets in Asbestos ‘ement for Roofing and Cladding (under revision); Specification for Asbestos Cement Flat Sheets (under revision); Specification for Asbestos Cement Products-Corrugated Sheets and Fittings for Roofing and Cladding; Specification for Asbestos Cement Roofing Shingles; Specification for Asbestos Cement Siding; ASTM C500-88 Test Methods for Asbestos Cement Pipe; ASTM C508-90 Specification for Asbestos Cement Underdrain Pipe; ASTM C663-88 Specification for Asbestos Cement Storm Drain Pipe; ASTM C875-90 Specification for Asbestos Cement Conduit; ASTM (966-85 Guide for Installing Asbestos Cement Nonpressure Sewer Pipe Lines. ## 2.5 BUILDING LIMES Building limes shall comply, with the following ASTM standard yrs ASTM C206, Finishing Hydrated Lime; ASTM C207, Hydrated Lime for Masonry Purposes; ASTM C141, Hydraulic Hydrated Lime for Structural Purposes; ASTM C977, Quicklime and Hydrated Lime for Soil Stabilization; and ASTM C5, Quicklime for Structural Purposes. The following Indian Standards may be accepted for lime concrete and testing of building limes: IS 2686-1977 ier ein for Cinder Aggregates for Use in Lime Concrete (First IS 3068-1975 Specification for Broken Brick (burnt clay) Coarse Aggregates for Use in Lime Concrete (First Revision); IS 3182-1975 ere for Broken Brick (burnt clay) Fine Aggregates for Use in Lime IS 1624-1974 Method of Field Testing of Building Lime (First Revision); IS 3115-1978 Specification for Lime-based Blocks (First Revision); IS 4139-1976 Specification for Sand-lime Bricks (First Revision); IS 4098-1983 Specification for Lime-Pozzolana Mixture (First Revision); IS 10360-1982 Specification for Lime-Pozzolana Concrete Blocks for Paving; IS 6932 (Parts 1 to X - 1973; Part XI-1983) Method of Tests for Building Limes. ## 2.6 GYPSUM BUILDING MATERIALS AND PLASTER Gypsum building materials shall conform to the standards listed below. ASTM (22-91 Specification for Gypsum; ASTM C28-91 Specification for Gypsum Plasters; ASTM C35-89 Specification for Inorganic Aggregates for Use in Gypsum Plaster; ASTM C36-91 "Specification for Gypsum Wallboard; ASTM C59-91 Specification for Gypsum Casting and Molding Plaster; ASTM C79-91 Specification for Gypsum Sheathing Board; ASTM (317-91 Specification for Gypsum Concrete; ASTM (442-91 Specification for Gypsum Backing Board and Coreboard; ASTM C471-91 Test Methods for Chemical Analysis of Gypsum and Gypsum Products; ASTM C472-90 oe for Physical Testing of Gypsum Plasters and Gypsum ASTM (473-87 hat Methods for Physical Testing of Gypsum Board Products and Gypsum ASTM (474-89 Test Methods for Testing Joint Treatment Materials for Gypsum Board Construction; ASTM C587-91 Specification for Gypsum Veneer Plaster; ASTM C588-91 Specification for Gypsum Base for Veneer Plasters; ASTM C630-91 Specification for Water-Resistant Gypsum Backing Board; ASTM C931-91 Specification for Exterior Gypsum Soffit Board; ASTM C960-91 Specification for Predecorated Gypsum Board; IS 2849-1983 Specification for Non-Load Bearing Gypsum Partition Blocks (Solid and ollow Types) (First Revision). ## 2.7 FLOORING MATERIALS ### 2.7.1 General Flooring materials are generally of two types; precast systems like tiles, bricks and cast insitu. ### 2.7.2 Concrete/Terrazzo Tiles Concrete/Terrazzo tiles shall have good abrasion and impact resistance properties. Factors such as the type of cement and the type and grading of aggregate used influence the resistance of such tiles to chemicals including cleaning agents. Terrazzo tiles shall have a wear layer after lig at least 6 mm composed of graded marble es hie in white, tinted or grey Portland cement on a layer of fine concrete. They may be und after manutacture to expose the marble aggregate and isan noire grouted. a, resisting grits may be incorporated. These tiles shall conform to BDS : 531-1965, Cement Concrete Flooring Tile (under revision) or IS: 1337-1980, Specification for Cement Concrete Flooring Tile. ### 2.7.3 Asphalt Tiles/Flooring Asphalt tiles/floorings are suitable for industrial flooring in areas where they will not be exposed to solvents, grease, oil, corrosive chemicals and excessive heat. Bitumen mastic for flooring shall conform to IS: 1195-1978; IS : 8374-1977, Bitumen Mastic, Anti-static and Electrically Conducting Grade and IS : 9510- 1980, Bitumen Mastic Acid Resisting Grade. ### 2.7.4 Mosaic Tiles Mosaic tiles of a variety of shapes and sizes may be used. Thickness of the wear layer is dependent on the sizes of marble chips but shall not be less than 6 mm thick. The tiles shall be wet cured for sufficient time before laying so that their surfaces are not damaged during grinding and polishing. ### 2.7.5 Clay Tiles Clay floor tiles shall have sufficient strength and abrasion resistant characteristics to withstand the impact and abrasion they are likely to be subject to. When glazed earthenware tiles are used in flooring they shall conform to IS: :1970, Glazed Earthenware Tiles. ### 2.7.6 Vinyl Tiles The vinyl tiles shall consist of a ey blended composition of thermoplastic binder, asbestos fibre, fillers and pigments. The thermoplastic binder shall consist substantially of either or both of the following: a) vinyl chloride polymer 3 vinyl chloride copolymers. The polymeric material shall be compounded with suitable plasticizers and stabilizers. The tiles may be plain, patterned or mottled. The thickness shall not be less than 1.5 mm. ### 2.7.7 Rubber Tiles These tiles are composed of natural, synthetic or reclaimed rubber, or a combination of these, with reinforcing fibres, pigments, and fillers, vulcanized and moulded under pressure. The tiles shall have excellent resilience and resistance to indentation, and good resistance to grease, alkali and abrasion. The thickness shall not be less than 2 mm. ### 2.7.8 Cast in Situ Floor Coverings a) Terrazzo : Terrazzo is a marble mosaic with Portland cement matrix and is generally composed of two parts marble chips to one pat Portland cement. Colour pigments may be added. The thickness of terrazzo topping may vary from 13mm to 19 mm and may be app! to green concrete of the floor or bonded with neat Portland cement, or over a sand cushion placed on the concrete floor. b) Concrete : A concrete topping may be applied to a concrete structural slab before or after the base slab has hardened. Integral toppings may generally be 25 mm to 40 mm thick; independent toppings about 25 mm to 50 mm thick. Aggregate sizes shall not exceed 6 mm. ### 2.7.9 Other Flooring Materials Other flooring materials i.e. bricks, natural stone, etc. showing satisfactory performance in similar situations re allowed. Plastic flooring tile and ceramic unglazed vitreous acid resistant tiles, if used, shall conform to IS : 3464 and IS : 4357 respectively. Flooring compositions complying with IS : 657, Materials for Use in the Manufacture of Magnesium Oxychloride Flooring Composition; and IS: 9197, cd Resin Composition for Floor Topping may be allowed. Linoleum sheets and tiles shall conform to IS : 653. ## 2.8 TIMBER Details of the uses of timber in structures or elements of structures including terminology, material requirements, moisture content pesened cut sizes of sawn timbers, grading, permissible defects, suitability in respect of durability and treatability, design criteria, and details of joints are given in Chapter 11 of Part 6. Timber and timber constructions shall satisfy the requirements of that chapter and conform to the following standards : BDS 142: 1961 Specification for Wood Doors (under revision); BDS 173: 1962 Specification for Wood Windows (under revision); BDS 230: 1962 Glossary of Terms Applicable to Timber, Plywood and Joinery (under revision); BDS 803:1973 Trade Names and Abbreviated Symbols for Timber Species; BDS 819:1975 Code of Practice for Preservation of Timber; BDS 820:1978 Recommendation for Maximum Permissible Moisture Content of Timber used for Different Purposes in Bangladesh; BDS 857:1977 Specification for Grading Rules for Logs and Sawn Timbers; BDS 1090:1984 Methods of Test for Plywood; BDS 1256:1990 Classification of Commercial Timber; BDS 1311:1990 Key for Identification of Commercial Timber. ## 2.9 WOOD PRODUCTS ### 2.9.1 Plywood Plywood shall conform to the following standards: BDS 799:1983 Specification for Plywood for General Purposes (First Revision); BDS 1158:1986 Specification for Veneered Decorative Plywood; For sampling and testing of Plywood, the following Bangladesh Standards are applicable : BDS 1087:1984 Specification for Method of Sampling of Plywood : BDS 1090 : 1984 Methods of Test of Plywood. IS 4990-1981 : Specifications for Plywood for Concrete Shuttering Work (First Revision); IS 5509-1980 Specification for Fire Retardant Plywood (First Revision); IS 5539-1969 Specification for Preservative Treated Plywood. ### 2.9.2 Particle Boards and Fibre Boards These materials shall conform to the following standards: BDS ;619:1967 Specification for Particle Board (medium density) (under revision); BDS 620:1967 Specification for Hardboard (under revision); ISO 820:1975 Particle Boards—Definition and Classification ISO 821-1975 Particle Boards—Determination of Dimensions of Test Pieces; ISO 822:1975 Particle Boards—Determination of Density; ISO 823:1975 Particle Boards—Determination of Moisture Content; ISO 766: 1972 Fibre Building Boards—Determination of Dimensions of Test Pieces; ISO 767:1975 Fibre Building Boards—Determination of Moisture Content; ISO 768:1972 Fibre Building Boards—Determination of Bending Strength; ISO 769:1972 Fibre Building Boards—Hard and Medium Boards—Determination of Water Absorption and of Swelling in Thickness after Immersion in Water; ISO 818:1975 Fibre Building Boards—Definition-Classification; ISO 819:1975 Fibre Building Boards Determination of Density; ISO 2695:1976 Fibre Building Boards—-Hard and Medium Boards for General Purposes- Quality Specifications-Appearance, Shape and Dimensional Tolerances; ISO 2696:1976 Fibre Building Boards-Hard and Medium Boards-Quality Specifications- Water Absorption and Swelling in Thickness; ISO 3340:1976 Fibre Building Boards-Determination of Sand Content; ISO 3346:1976 Fibre Building Boards-Determination of Surface Finish (roughness); ISO 3729:1976 Fibre Building Boards-Determination of Surface Stability; ISO/TR 7469:1981 Dimensional Stability of Hardboards. ### 2.9.3 Wood based Laminates Wood based laminates shall conform to the following standards : IS 3513-1966 Specification for High and Medium Density Wood-based Laminates (compress); Part III General Purposes Part IV Sampling and Tests IS 9307-1979 (Parts I to VIII) Methods of Tests for Wood-based Structural Sandwich Construction. Part I Flexure Test Part II | Edgewise Compression Test Part III Flatwise Compression Test PartIV Shear Test Part V\_\_\_ Flatwise Tension Test Part VI\_ Flexure Creep Test Part VII Cantilever Vibration Test Part VIII Weathering Test ### 2.9.4 Adhesives and Glue Adhesives shall conform to the following standards : IS 848-1974 Specification for Synthetic Resign Adhesives for Plywood (Phenolic and aminoplastic) (First Revision); IS 849-1957 Specification for Cold Setting Casein Glue for Wood IS 851-1978 Specification for Synthetic Resin Adhesives for Construction Work (non structural) in Wood (First Revision); IS 852-1969 Specification for Animal Glue for General Wood-Working Purposes (First Revision); IS 4835-1979 Specification for Polyvinyl Acetate Dispersion-based Adhesives for Wood irst Revision); IS 9188-1979 Specification for Adhesive for Structural Laminated Wood Products for se Under Exterior Exposure Condition. ## 2.10 DOORS AND WINDOWS ### 2.10.1 Wooden Doors and Window Frames, and Shutters These shall conform to the following standards: BDS 142:1961 Specification for Wood Door (under revision); BDS 173:1962 Specification for Wood Windows (under revision); BDS 820:1978 Recommendation for Maximum Permissible Moisture Content of Timber Used for Different Purposes in Bangladesh; IS 1003-1977/83 Specification for Timber Panelled and Glazed Shutters; Part I-1977 Door Shutters (Second Revision); Part II-1983 Window and Ventilator Shutters (Second Revision); IS 1826-1961 Specification for Venetian Blinds for Windows; IS 2191-1983 oe for Wooden Flush Door Shutters (cellular and hollow core e); art Plywood Face Panels (Fourth Revision); Part II Particle Board Face Panels and Hardboard Face Panels (Third Revision); IS 2202-1983 Specification for Wooden Flush Door Shutters (solid core type); Part! Plywood Face Panels (Fourth Revision); Part II Particle Board Face Panels and Hardboard Face Panels (Third Revision); IS 4020-1967 Methods of Tests for Wooden Flush Doors : Type Tests; IS 4121-1983 Specification for Timber Door, Window and Ventilator Frames (Second Revision); IS 4962-1968 Specification for Wooden Side Sliding Doors; IS 6198-1983 > area sag for Ledged, Braced and Battened Timber Door Shutters (First evision); ### 2.10.2 Metal Door and Window Frames and Shutters These shall conform to the following standards : BDS 1270: 1990 Specification for Strong Room Door; BDS 1273: 1990 Specification for Vault Doors; IS 1038-1983 Specification for Steel Doors, Windows and Ventilators (Third Revision); IS’ 1361-1978 Specification for Steel Windows for Industrial Buildings (First Revision); IS 1948-1961 Specification for Aluminium Doors, Windows and Ventilators; IS 1949-1961 Specification for Aluminium Windows for Industrial Buildings; IS 4351-1976 Specification for Steel Door Frames (First Revision); IS 6248-1979 Specification for Metal Rolling Shutters and Rolling Grills (First Revision); IS 7452-1982 Specification for Hot Rolled Steel Sections for Doors, Windows and entilators (First Revision); IS 10451-1983 Specification for Steel Sliding Shutters (top hung type); IS 10521-1983 Specification for Collapsible Gates; ## 2.11 ALUMINIUM AND ALUMINIUM ALLOYS Aluminium and Aluminium Alloys shall conform to the following standards: ASTM B26 M-91 Specification for Aluminium-Alloy Sand Castings; ASTM \_ B85-90 Specification for Aluminium-Alloy Die Castings; ASTM B108-91 ’ Specification for Aluminium-Alloy Permanent Mold Castings; ASTM B209 M-90 Specification for Aluminium and Aluminium-Alloy Sheet and Plate; ASTM B210M-90 Specification for Aluminium and Aluminium-Alloy Drawn Seamless Tubes; ASTM B211 M-90 Specification for Aluminium and Aluminium-Alloy Bar, Rod and Wire; ASTM B221 M-90 sg “at for Aluminium and Aluminium-Alloy Extruded Bar, Rods, ire, Shapes and Tubes; ASTM B241 M-90 Specification for Aluminium and Aluminium-Alloy Seamless Pipe and Seamless Extruded Tube; \| ASTM \_ B308 M-90 Specification for Aluminium-Alloy 6061-T6 Standard Structural Shapes, Rolled or Extruded; ASTM B313 M-90 Specification for Aluminium and Aluminium-Alloy Round Welded Tubes; ASTM B316 M-90 sacar for Aluminium and Aluminium-Alloy Rivet and Cold Heading ire and Rods; ASTM B429-90 Specification for Aluminium-Alloy Extruded Structural Pipe and Tube; ASTM B483 M-90 Specification for Aluminium and Aluminium-Alloy Drawn tubes for eneral Purpose Applications; ASTM B547-90 Specification for Aluminium and Aluminium-Alloy Formed and Arc-Welded Round Tube; ASTM B632 M-90\_ . Specification for Aluminium Alloy Rolled Tread Plate; ASTM B745 M-90 Specification for Corrugated Aluminium Pipe for Sewers and Drains; ASTM E34-88 = Methods for Chemical Analysis of Aluminium and Aluminium Base Alloys. ## 2.12 BUILDERS HARDWARE The applicable standards are listed below : BDS 113:1986 Specification for Latches and Locks for Doors in Buildings; IS 204-78 Specification for Tower Bolts; Part I Ferrous Metals (Fourth Revision); Part If Nonferrous metals (Fourth Revision); IS 205-1978 Specification for Nonferrous Metal Butt Hinges (Third Revision); IS 206-1981 Specification for Tee and Strap Hinges (Third Revision); IS 208-1979 Specification for Door Handles (Third Revision); IS 281-1973 Specification for Mild Steel Sliding Door Bolts for Use with Padlock ( nd Revision); IS 362-1982 Specification for Parliament Hinges (Fourth Revision); IS 363-1976 Specification for Hasps and Staples (Third Revision); IS 364-1970 Specification for Fanlight Catch (Second Revision); IS 452-1973 Specification for Door Springs, Rat-tail Type (Second Revision); IS 453-1973 Specification for Double Acting Spring Hinges (Second Revision); IS\_ 729-1979 Specification for Drawer Locks, Cupboard Locks and Box Locks (Third Revision); IS 1019-1974 Specification for Rim Latches (Second Revision); IS 1341-1981 Specification for Steel Butt Hinges (Fourth Revision); \| IS 1823-1980 Specification for Floor Door Stoppers (Third Revision); i IS 1837-1966 Specification for Fanlight Pivots (First Revision); IS 2209-1976 Specification for Mortice Locks (vertical type) (Third Revision); IS 2681-1979 Specification for Nonferrous Metal Sliding Door Bolts for Use with Padlocks (Second Revision); IS 3564-1975 Specification for Door Closers (hydraulically regulated) (Second Revision); IS 3818-1971 Specification for Continuous (piano) Hinges (First Revision); IS 3828-1966 Specification for Ventilator Chains; IS 3843-1966 Specification for Steel Backflap Hinges; IS 3847-1966 Specification for Mortice Night Latches; IS 4621-1975 Specification for Indicating Bolts for use in Public Baths and Lavatories (First Revision); IS 4948-1974 Specification for Welded Steel Wire Fabric for General Use (First Revision); IS 4992-1975 Specification for Door Handles for Mortice Locks (vertical type) (First Revision); IS 5187-1972 Specification for Flush Bolts (First Revision); IS 5899-1970 Specification for Bathroom Latches; IS 5930-1970 Specification for Mortice Latch (vertical type); IS 6315-1971 Specification for Floor Springs (hydraulically regulated) for Heavy Doors; IS 6318-1971 Specification for Plastic Window Stays and Fasteners; IS 6343-1982 Specification for Door Closers (pneumatically regulated) for Light Doors Weighing up to 40 kg (First Revision); IS 6602-1972 Specification for Ventilator Poles; IS 6607-1972 Specification for Rebated Mortice Locks (vertical type); IS 7196-1974 Specification for Hold Fast; IS 7197-1974 Specification for Double Action Floor Springs (without oil check) for Heavy Doors; IS 7534-1974 Specification for Mild Steel Locking Bolts with Holes for Padlocks; IS 7540-1974 Specification for Mortice Dead Locks; IS 8756-1978 Specification for Ball Catches for use in Wooden Almirah; IS 8760-1978 Specification for Mortice Sliding Door Locks, with Lever Mechanism; IS 9106-1979 Specification for Rising Butt Hinges; IS 9131-1979 Specification for Rim Locks; IS 9460-1980 Specification for Flush Drop Handle for Drawer; IS 9899-1981 Specification for Hat, Coat and Wardrobe Hooks; IS 10019-1981 Specification for Steel Window Stays and Fasteners; IS 10090-1982 Specification for Numericals; IS 10342-1982 Specification for Curtain Rail System. ## 2.13 ROOF COVERINGS ### 2.13.1 Scope The provisions of this section shall govern the materials used for roof coverings. ### 2.13.2 Compatibility of Materials All roofs and roof coverings shall be of materials that are compatible with each other and with the building or structure to which the materials are applied. ### 2.13.3 Material Specifications and Physical Characteristics All materials to be used in the construction of roofs and roof coverings shall conform to the applicable standards listed in this section. In the absence of applicable standards or when materials are of questionable suitability, testing by an approved testing agency may be required by the building official to determine the character, quality and limitations of use of the materials. ### 2.13.4 Weather Protection All roofs shall be covered with approved roof coverings properly secured to the building or structure to resist wind and rain. Roof coverings shall be designed, totalled and maintained in accordance with approved manufacturer's recommendations such that the roof covering shall serve to protect the building or structure. ### 2.13.5 Wind Resistance All roofs and roof coverings shall be secured in place to the building or structure to withstand the wind loads. ### 2.13.6 Structural and Construction Loads The structural roof components shall be capable of mapparting the roof covering system and the material and equipment loads that will be encountered during installation of the roof covering system. ### 2.13.7 Impact Resistance Roof coverings shall resist impact damage based on the results of tests conducted in accordance with ASTM D4272 or D3746. ### 2.13.8 Metal-sheet Roof Coverings Metal-sheet roof coverings installed over structural aang and decking shall comply with BDS 868, Galvanized Corrugated Sheet Roof and Wall Coverings; BDS 1122, Hot-dip Galvainzed Steel Sheet and Coil; ASTM A361, A755 or B 101. Metal-sheet roof coverings shall be installed in accordance with approved manufacturer's installation instructions. ### 2.13.9 Asbestos Sheet Roof Covering Asbestos sheets used for roof coverings shall comply with BDS 430, Asbestos Cement Corrugated Sheets for Roofing and Cladding; BDS 431, Asymmetrical Section Corrugated Sheets in Asbestos Cement Roofing and Cladding; BDS 579, Abestos Cement Flat Sheets; BDS 1046, Asbestos Cement Products-Corrugated Sheets and Fittings for Roofing and Cladding. ### 2.13.10 Interlocking Clay or Cement Tile Interlocking clay or cement tile shall be installed only over solid sheathing or spaced structural sheathing boards. Interlockin clay or cement tile shall not be installed on roof slopes below one unit vertical in 3 units horizontal (1:3). Horizontal battens shall be required on roof slopes over one unit vertical in 2 units horizontal (1:2). Single layer underlayment is required over solid sheathing on all roof slopes. Reinforced underlayment shall be required when spaced sheathing is used. Regardless of roof slope, the first three tile courses and all tiles within 900 mm of roof edges, tiles at changes in roof slope or changes in slope direction, shall be fastened to the roof. For the field of the roof, fastening is not required on roof slopes below one unit vertical in 2 units horizontal (1:2). Every other tile course shall be fastened on roof slopes 1:2 to less than 1:1; and every tile shall be fastened on roof slopes 1:1 and over. Tile overlap shall be in accordance with approved manufacturer's installation instructions. ### 2.13.11 Non-interlocking Clay or Cement Tile Non-interlocking clay or cement tile shall not be installed on roof slopes below one unit vertical in 5 units horizontal (1:5). Double layer underlayment is required on roof slopes below one unit vertical in 4\_ units horizontal (1:4). Single layer underlayment is required on all other roof slopes. Non-interlocking clay or cement tile shall be secured to the roof with two fasteners per tile. The minimum tile overlap shall be 75 mm. ### 2.13.12 Roof Insulation Rigid combustible roof insulation shall be cate provided the insulation is covered with approved roof coverings directly applied thereto. Insitu lime concrete may be used on flat roofs of buildings. Minimum compacted thickness of such a layer shall be 75 mm and have adequate slope for drainage. The materials used in lime concrete shall conform to the standards specified in Sec 2.5 of this Part. ### 2.13.13 Recovering and Replacement of Roof Coverings New roof coverings shall not be installed without first removing existing roof coverings when the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not acceptable as a base for additional roofing. ### 2.13.14 Reuse of Materials Slate, clay or cement tile shall be permitted for reuse, except that damaged, cracked or broken slate or tile shall not be reused. Existing vent flashings, metal edgings, drain outlets, collars and metal counter flashings shall not be reused where rusted, damaged or deteriorated. Aggregate surfacing materials shall not be reused. ### 2.13.15 Applicable Standards The applicable standards for materials used in roofs and roof coverings are listed below: BDS 430:1964 BDS 431:1964 BDS 579:1966 BDS 868:1978 BDS BDS ASTM 1046:1983 1122:1985 A361/A 361M - 85 (1990) ASTM A755/A755M-89 ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM B101-83 (1988) C222-88 C836-89 C 95 -87 C1029-90 D224-89 D225-86 D226-89 D227-89 D249-89 D312-89 D371-89 D450-78 (1984) D1227-87 D1863-86 D2178-89 Specification for Asbestos Cement Corrugated Sheets for Roofing and adding (under revision); Specification for Asymmetrical Section Corrugated Sheets in Asbestos Cament for Roofing and Cladding (under revision); Specification for Asbestos Cement Flat Sheets (under revision); Code of Practice for Galvanized Corrugated Sheet Roof and Wall Coverings; Specification for Asbestos Cement Products - Corrugated Sheets and ittings for Roofing and Cladding; Specification for Hot-dip Galvanized Steel and Coil. Specification for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-dip Process for Roofing and Siding; Specification for Steel Sheet, Metallic Coated by the Hot-dip Process and Prepainted by the Coil-Coating Process for Exterior Exposed Building Products; Specification for Lead-Coated Copper Sheets; Specification for Asbestos-Cement Roofing Shingles; Specification for Roofing Slate; Specification for High Solids Content, Cold Liquid-Applied Elastomeric aterproofing Membrane for Use With Separate Wearing Course; Specification for High-Solids Content, Cold Liquid-Applied Elastomeric aterproofing Membrane With Integral Wearing Surface; Specification for Spray-Applied Rigid Cellular Polyurethane Thermal Insulation; Specification for Smooth-Surfaced Asphalt Roll Roofing (Organic Felt); Specification for Asphalt Shingles (Organic Felt) Surfaced with Mineral ranules; Specification for Asphalt-Saturated Organic Felt Used in Roofing and aterproofing; C Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and aterproofing; Specification for Asphalt Roll Roofing (Organic Felt) Surfaced with ineral Granules; Specification for Asphalt Used in Roofing; Specification for Asphalt Roll Roofing (Organic Felt) Surfaced with ineral Granules; Wide Selvage; Specification for Coal - Tar Pitch Used in Roofing, Dampproofing, and aterproofing; Specification for Emulsified Asphalt Used as a Protective Coating for Roofing; Specification for Mineral Aggregate Used on Built-Up Roofs; Specification for Asphalt Glass Felt Used in Roofing and Waterproofing; ASTM D2626-86 Specification for Asphalt-Saturated and Coated Organic Felt Base Sheet Used in Roofing; ASTM D2898-81 (1986) Methods for Accelerated Weathering on Fire-Retardant-Treated Wood for Fire Testing; ASTM D3161-81 (1986) Test Method for Wind-Resistance of Asphalt Shingles; ASTM D3672-86 Specification for Venting Asphalt-Saturated and Coated Inorganic Felt Base Sheet Used in Roofing; ASTM D3747-85 Test Method for Impact Resistance of Bituminous Roofing Systems; ASTM D3909-86 S ag for Asphalt Roll Roofing (Glass Felt) Surfaced with Mineral ranules; ASTM D4272-90 Test Method for Total Energy Impact of Plastic Films by Dart Drop; ASTM D4434-87 Specification for Poly (Vinyl Chloride) Sheet Roofing; ASTM D4601-86 Specification for Asphalt-Coated Glass Fibre Base Sheet Used in Roofing; ASTM D4637-87 Specification for Vulcanized Rubber Sheet Used in Single-Ply Roof lembrane; ASTM E108-90 Test Method for Fire Tests of Roof Coverings; ASTM E838-81 Practice for Pasioseine Accelerated Outdoor Weathering Using Concentrated Natural Sunlight; ASTM G23-90 Practice for bo Light-Exposure Apparatus (Carbon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials; ASTM G26-90 Practice for rating Light-Exposure Apparatus (Xenon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials; ASTM G53-88 Practice for Operating Light- and Water-Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of Nonmetallic Materials; RMA (Rubber Manufacturer Association, USA) RP - 4 - 88 Wind Design Guide for Ballasted Single-Ply Roofing Systems; SPRI (Single Ply Roofing Institute, USA) - 86 Wind Design Guide for Ballasted Single-Ply Roofing Systems; FM ( Factory Manual) 4450 - 89 Standard Laboratories Department Approved Standard for Class I Insulated Steel Deck Roofs; FM 447 -86 Approval Standard for Class I Roof Coverings; CGSB (Canadian General Standards Board) 37 - GP - 56M - 80 Membrane, Modified Bituminous, Prefabricated, and Reinforced for Roofing; ## 2.14 PAINTS AND VARNISHES ### 2.14.1 Water Based Paints Water based paints shall conform to the following standards: BDS 500:1965 Specification for Distemper Dry (under revision); BDS 1097:1984 Specification for Plastic Emulsion Paint. Part I for Interior Use; Part 2 for Exterior Use; IS 5410-1969 Specification for Cement Paint, Colour as Required; IS 428-1969 : Specification for Distemper, Oil Emulsion, Colour as Required ### 2.14.2 Ready Mixed Paint and Enamels Ready mixed paints and enamels shall conform to the following standards: BDS 13:1960 Specification for Ready Mixed Paints, Varnish, Lacquers and Related Products (under revision); BDS 14:1960 Specification for Black Bituminous Paint, Brushing for General Purposes (under revision); BDS 397:1964 Specification for Ready Mixed Paint, Brushing, Red Oxide Zinc Chrome, Priming (under revision); BDS 398:1964 Specification for Ready Mixed Paint, Spraying, Red Oxide Zinc Chrome, Priming (under revision); BDS 399:1964 Specification for Aluminum Paint, Spraying for General Purposes, in Dual ontainer (under revision); BDS 400:1964 Fe ara for Aluminium Paint, Brushing, for General Purposes in Dual ‘ontainer (under revision); BDS 401:1964 potatoes for Varnish, Finishing, Exterior, Type-I, (Synthetic) (Tentative) (under revision); BDS 402:1989 psig ead for Ready Mixed Paint, Brushing, Finishing, Semigloss, for eral Purposes (First Revision); BDS 499:1965 Specification for Ready Mixed Paints, Brushing, for Road Marking (white, yellow and black) (under revision); BDS 616:1966 Specification for Enamel, Brushing, Exterior (i) Undercoating, (ii) Finishing, Colour as Required (under revision); BDS 617:1966 Specification for Enamel, Brushing, Interior (i) Undercoating, (ii) Finishing, ‘olour as Required (under revision); BDS 926:1980 Specification for Ready Mixed Paint, Brushing, Petrol Resisting, Air rying, for Exterior Painting of Containers, Colour as Required; BDS 927:1980 Specification for Ready Mixed Paint, Brushing, Petrol Resisting, Air ing, for Interior Painting of Tanks and Containers, Red Oxide (colour unspecified); BDS 928:1980 Specification for Ready Mixed Paint, Brushing, Acid Resisting, for Protection Against Acid Fumes, Colour as Required; BDS 973:1981 Specification for Specification and Methods of Test for Linseed Stand Oil for Paints and Varnishes; BDS 974:1981 Specification and Methods of Test for Raw Tung Oils for Paints and arnishes; ‘ BDS 1005:1981 Specification for Ready Mixed Paint, Brushing, Finishing, Stoving, Enamel, olour as Required; BDS 1141:1986 Specification for Ready Mixed Aluminium Priming Paints for Woodwork; BDS 1151:1986 Specification for Pavement Marking Paints. ### 2.14.3 Thinners and Solvents These shall conform to the following standards: IS 324-1959 Specification for Ordinary Denatured Spirit (revised); IS 533-1973 Specification for Gum Spirit of Turpentine (Oil of Turpentine) (First Revision); IS 82-1973 Methods of Sampling and Test for Thinners and Solvents for Paints (First Revision). . ### 2.14.4 Varnishes and Lacquers These materials shall conform to the following standards: BDS BDS BDS BDS IS Is Is Is Is 401:1964 1064:1983 1065:1983 1066:1983 340-1978 347-1975 Specification for Varnish, Finishing, Exterior, Type-I, (synthetic) (under revision); Specification for Varnish, Stoving; Specification for Varnish, Acid Resisting; Specification for Varnish, Finishing, Interior; Methods of sampling and Test for Varnishes and Lacquers (First Revision); Specification for Varnish, Mixing (First Revision); Specification for Varnish, Spirit, Clear, Hard; Specification for Varnish, Shellac for general purposes (First Revision); Specification for French Polish (First Revision); ## 2.15 SANITARY APPLIANCES AND FITTINGS ### 2.15.1 Sanitary Appliances Sanitary appliances shall conform to the following standards: BDS BDS 1162: 1987 1163 : 1987 ASHRA E90A-80 ASHRA \_ E 90B-75 AWWA \_ 700-77 AWWA \_C701-78 AWWA C702-78 AWWA C702-78 BS BS BS BS BS 1125: 1987 1244 1254:1981 1329:1974 1876: 1992 (1977) ### 2.15.2 Pipes and Pipe Fittings for Water Supply and Sanitation Pipes and pipe fittings BDS BDS BDS BDS BDS 428:1964 429:1964 1111:1984 1356:1972 1357: 1972 ‘ Specification for Ceramic Wash Basins and Pedestals; Leap for Vitreous Sanitary Appliances, art-1, General Requirements; Part-2, Specific Requirements for Water Closets; Part-3, Specification Requirements for Urinal (Bowl type); Part-4, Specific Requirements for Foot Rest; Part-5, Specific Requirements for Integrated Squatting Pans. Energy Conservation in New Building Design; Energy Conservation in New Building Design; Cold Water Meter Displacement Type; Cold Water Meter Turbine Type Class-I; Cold Water Meter Turbine Type Class-II; Cold Water Meter Compound Type, Specification for WC Flushing Cisterns (Including Dual Flash Cisterns and ush Pipes); Metal Sink for Domestic Purposes; Specification for C Seats (Plastics); Specification for Metal Hand Rinse Basins; Specification for Automatic Flushing Cistern for Urinals s for Water Supply and Sanitation ‘or water supply and sanitation shall comply with the following standards. Specification for Asbestos Cement Pressure Pipe; Specification for Asbestos Cement Building and Sanitary Pipes (under revision); Centrifugally Cast (spun) Iron Pressure Pipes for Water, Gas and Sewage; Specification for Ferrules for Water Services; Specification for Washers with Fittings for Water Service; ASTM A53-90 Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless; ASTM A74-87 Specification for Cast Iron Soil Pipe and Fittings ASTM A377-89 Index of Specification for Ductile-Iron Pressure Pipe; ASTM B42-89 Specification for Seamless Copper Pipe, Standard Sizes; ASTM B43-91 Specification for Seamless Red Brass Pipe, Standard Sizes; ASTM B75M-90 Specification for Seamless Copper Tube; ASTM B88M-89 Specification for Seamless Copper Water Tube; ASTM B251M-88 Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube; ASTM B302-1988 Specification for Threadless Copper Pipe; ASTM B306-1988 Specification for Copper Drainage Tube (DWV); ASTM \_ B429-1990 Specification for Aluminium-Alloy Extruded Structural Pipe and Tube; ASTM B447-1989 Specification for Welded Copper Tube; ASTM B745/B745M-1990 \_ Specification for Corrugated Aluminium Pipe for Sewers and Drains; ASTM C4-62 (1986) Specification for Clay Drain Tile; ASTM C14M-90 Specification for Concrete Sewer, Storm Drain, and Culvert Pipe; ASTM C76M-90 a for Reinforced Concrete Culvert, Storm Drain, and Sewer ASTM C508-90 Specification for Asbestos-Cement Underdrain Pipe; ASTM C654M-90 Specification for Porous Concrete Pipe; ASTM (700-89 Specification for Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated; ASTM D1527-89 Specification for Acrylonitrile-Butadience-Styrene (ABS) Plastic Pipe, Schedules 40 and 80; ASTM D1785-91 ne ea for Poly (Vinyl chloride) (PVC) Plastic pipe, Schedules 40, 80 ASTM D1861-88 Specification for Homogeneous Bituminized Fibre Drain and Sewer Pipe; ASTM D1862-88 Specification for Laminated-Wall Bituminized Fibre Drain and Sewer Pipe; ASTM D2239-89 Specification for Polyethylene (PE) Plastic pipe (SIDR-PR) Based on ontrolled Inside Diameter; ASTM D2241-89 a for Poly (Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Ties); ASTM D2282-89 cea for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe (SDR- ASTM D2311-88 Specification for Perforated, Homogeneous Bituminized Fibre Pipe for eneral Drainage; ASTM D2321-89 Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-flow Applications; ASTM D2464-91 Specification for Threaded Poly Vinyl Chloride (PVC) Plastic Pipe Fittings, Schedule 80; ASTM D2466-90 Specification for Poly Vinyl Chloride (PVC) Plastic Pipe Fittings, schedule 40; ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM IS 404 (Part-I)-1977 ISO D2467-90 D2609-90 D2661-91 D262-89 D2665-91 D2666-89 D2672-89 D2729-89 D2737-89 D2751-91 D2846-90 D2949-89 D3034-89 D3309-89 F405-89 F409-91 F437-89 F438-90 F439-90 F441-89 F442-89 F628-91 F891-1991 160: 1980 ISO 392:1986 ISO 881:1980 Spetication for Socket-Type Poly (Vinyl Chloride) (PVC) Plastic Pipe ittings, Schedule 80; Specification of Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe; Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe; Specification for Polybutylene (PB) Plastic Pipe (SIDR-PR) Based on controlled Inside Diameter; Specification for Poly (Vinyl Chloride) (PVC) Plastic Drain, Waste and ent Pipe and Fittings; Specification for Polybutylene (PB) Plastic Tubing; Specification for Joints for IPS PVC Pipe Using Solvent cement; Specification for Poly (Vinyl Chloride) (PVC) Sewer Pipe and Fittings; Specification for Polyethylene (PE) Plastic Tubing; Specification for Acrylonitrile-Butadiene-Styrene (ABS) Sewer Pipe and ittings;” 2 Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution system; Specification for 82 mm (3.25-in) Outside Diameter Poly (Vinyl Chloride) (Pvc) Plastic Drain, Waste, and Vent Pipe and Fittings; Specification for Type PSM Poly (Vinyl Chloride) (PVC) Sewer Pipe and ittings; specication for Polybutylene (PB) Plastic Hot and Cold-Water istribution Systems; Specification for Corrugated Polyethylene (PE) Tubing and Fittings; ot age a for Thermoplastic Accessible and Replaceable Tube and ‘ubular Fittings; apr ook for Threaded Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 80; Specification for Socket-Type Chlorinated Poly (Vinyl Chloride) (CPVC) lastic Pipe Fittings, Schedule 40; Specification for Socket-Type Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Sch le 80; Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Schedule 40 and 80; Specification for Chlorinated Poly Vinyl Chloride (CPVC) Plastic Pipe @DR-PR); Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe With a Cellular Core; Specification for Coextruded Poly Vinyl Chloride (PVC) Plastic Pipe with a Cellular Core; Specification for Lead Pipes Part I for other than Chemical Purpose (Second Revision); Asbestos-Cement Pressure Pipes and Joints; Asbestos-Cement Pipe Fittings for Building and Sanitary Purposes; Asbestos-Cement Pipes, Joints and Fittings for Sewerage and Drainage; ISO 2531-1991 Ductile Iron Pipes, Fittings and Accessories for Pressure Pipelines; ASME/ANSI\_ B16.3-85 Malleable Iron Threaded Fittings; ASME/ANSI B16.485 Cast Iron Threaded Fittings; ASME/ANSI\_ B16.9-86 Factory Made Wrought Steel Buttwelding Fittings; ASME/ANSI\_ B16.11-80 Forged Steel Fittings, Socket-Welding and Threaded; ASME/ABSI\_ B16.12-83 Cast-Iron Threaded Drainage Fittings; ASME/ANSI B16.15-85 Cast Bronze Threaded Fittings; ASME/ANSI B16.18-84 Cast Copper Alloy Solder Joint Pressure Fittings; ASME/ANSI B16.22-89 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings; ASME/ANSI\_ B16.23-84 Cast Copper Alloy Solder Joint Drainage Fittings (DWV); ASME/ANSI B16.28-86 Wrought Steel Buttwelding Short radius Elbows and Returns; ASME/ANSI\_ B16.29-86 Wrought Copper and Wrought Copper Alloy Solder Joint Fittings for sovent Drainage Systems; ASME/ANSI B16.32-84 Cast Copper Alloy Solder Joint Fittings for Sovent Drainage Systems; AWWA 110-87 picinicnag for Grey Iron and Ductile Iron pine gg 76 mm to 1220 mm (3 in. ‘ough 48 inches), for Water and Other Liquids. ### 2.15.3 Joints and Connections Between Pipes and Fittings Applicable standards for joints and connections between pipes and fittings are listed below: ASTM \_B42-89 Specification for Seamless Copper Pipe, Standard Sizes; ASTM (425-90 Specification for Compression Joints for Vitrified Clay Pipe and Fittings; ASTM C443M-85(1990) Specification for Joints for Circular Concrete Sewer and Culvert Pipe, sing Rubber Gaskets; ASTM C564-88 Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings; ASTM D1869-78 (1984) Specification for Rubber Rings for Asbestos Cement Pipe; ASTM D2235-88 Speacnion for Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe and Fittings; ASTM D2564-91 Specification for Solvent Cements for Poly Vinyl Chloride (PVC) Plastic Pipe and Fittings; ASTM D2657-90 Practice for Heat-Joining Polyolefin Pipe and Fittings; ASTM D2661-91 Specification for acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste and Vent Pipe; ASTM D2846-90 Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Hot- and Cold-Water Distribution systems; ASTM D2855-90 Practice for Making Solvent-Cemented Joints with Poly (Vinyl Chloride) , (PVC) Pipe and Fittings; ASTM D3139-89 Specification for Joints for Plastic Pressure Pipes Using Flexible Elastometric Seals; ASTM D3140-90 Practice for Flaring Polyolefin Pipe and Tubing; ASTM D3212-89 Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible lastomeric Seals; ASTM D3309-89 Specification for Polybutylene (PB) Plastic Hot and Cold-Water Distribution Systems; ASTM F402-88 Practice for Safe ee Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings; ASTM F493-89 Poway Pe for Solvent cements for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe and Fittings; ASTM F628-91 Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and vent Pipe with a Cellular Core; ASTM F656-89 Specification for Primers for Use in Solvent Cement Joints of Poly (Vinyl loride) (PVC) Plastic Pipe and Fittings; ASME/ANSI B1.20.1 Malleable Iron Threaded Fittings. ### 2.15.4 Taps and Valves Taps and valves shall conform to the following standards : BS 1212 3 (Parts) Specification for Float Operated Valves (excluding floats); BS 1010 Specification for Draw-Off Taps and Stopvalves for Water Services; BS 1968 Specification for Floats for Ball Valves (copper); BS 5433: 1976 Specification for Underground Stopvalves for Water Services (copper); BS 2456: 1973 Specification for Floats for Ball Valves (plastic) for Cold and Hot Water BS 1415 (2 parts) Mixing Valves (Manullay Operated); BS 5163: 1986 Specification for Predominantly Key-Operated Cast Iron Wedge Gate alve for Water Works; BS 3377:1985 Specification for Boilers for Use with Domestic Solid Mineral Fuel ' Appliances; BS 843: 1976 Specification for Thermal Storage Electric Water Heaters; BS 855:1976 Sh pala emis for Welded Steel Boilers for Central Heating and Indirect Hot ater Supply. ## 2.16 MISCELLANEOUS MATERIALS ### 2.16.1 Ferrocement Details including material requirements are given in Chapter 12 of Part 6. ### 2.16.2 Plastics Plastics may be used in buildings or structures as light transmitting materials such as glazing, skylights, tighting lenses, luminous ceilings, roof panels, signs and similar purposes. Foam plastics are also used in buildings. et Sei for aeppor st of a plastic material shall furnish all necessary technical data required by the Building Official. The data shall include chemical composition; applicable physical, sechaziical and thermal properties such as fire resistance, flammability and flame spread; weather resistance; electrical properties; products of combustion; and coefficient of expansion. The requirements for light transmitting plastics, including roof panels and foam plastics are given below. #### 2.16.2.1 Light Transmitting Plastics An approved light transmitting plastic shall be any thermoplastic, thermosetting or reinforced thermosetting plastic material which has a self-ignition temperature of 343°C or greater when tested in accordance with ASTM D1929, Test Method for Ignition Properties of Plastics; a smoke density rating not greater than 450 when tested in the manner intended for use in accordance with ASTM E84, Test Method for Surface Burning Characteristics of Building Materials; or not greater than 75 when tested in the thickness intended for use in accordance with ASTM 2843, Test Method for Density of Smoke from the Burning or Decomposition of Plastics; and which conforms to one of the following combustibility classifications: Class C1: Plastic materials which have a burning extent of 25 mm or less when tested at a nominal thickness of 1.5 mm, or in the thickness intended for use, in accordance with ASTM D635, Test Method for Rate of Burning and/or Extent and Time of Burning of Self-Supporting Plastics in Horizontal Position; or Class C2: Plastic materials which have a burning rate of 63 mm/min or less when tested at a nominal thickness of 1.5 mm, or in the thickness intended for use, in accordance with ASTM D635. #### 2.16.2.2 Foam Plastics All foam plastics and foam plastic cores of manufactured assemblies shall have a flame spread rating of not more than 75 and shall have a smoke Sri rating of not more than 450 when tested in the maximum thickness intended for use in accordance with E84. All foam plastics, unless otherwise indicated in this section, shall be separated from the interior of a buildin by an approved thermal barrier of 13 mm gypsum wall board or equivalent thermal barrier material whi will limit the average temperature rise of the unexposed surface to not more than 121°C after 15 minutes of fire exposure complying with the standard time-temperature curve of ASTM E119, Test Methods for Fire Tests of Building Construction and Materials. The thermal barrier shall be installed in such a manner that it will stay in place for a minimum of 15 minutes under the same testing conditions. The thermal barrier is not required when the foam plastic is protected by a 25 mm minimum thickness of masonry or concrete. #### 2.16.2.3 Applicable Standards Alist of applicable standards for plastics is given below: BDS 885:1979 Method for Measuring Viscosity Number and K-Value of PVC Resins; BDS 886:1978 Method for Direct Measuring the Specific Gravity of Plastics; BDS 887:1978 Method for Measuring Deformation under Heat of Flexible Rigid PVC Compounds; BDS 888:1978 Method for Measuring Temperature of Deflection under Load; BDS 889:1978 Method for Measuring the Vicat Softening Temperature (VST) of Thermoplastics; BDS 890:1978 Method for Measuring the Water Absorption at Room Temperature and Bolling Water Absorption of Plastics; BDS 891:1978 Method for Measuring the Flexural Modulus of Plastics; BDS 892:1978 Method for Measuring the Resistance to Tear Propagation of Flexible Plastics, Film or Sheeting; ASTM D543-87 Test Method for Resistance of Plastics to Chemical Reagents; ASTM D568-77(1985) Test Method for Rate of Burning and/or Extent and Time of Burning of Flexible Plastics in a Vertical Position; ASTM D635-88 Test Method for Rate of Burning and/or Extent of Time of Burning of Self Supporting Plastics in a Horizontal Position; ASTM D638-90 Test Method for Tensile Properties of Plastics; ASTM D695M-90 Test Method for Compression Properties of Rigid Plastics; ASTM D882-90 Test Methods for Tensile Properties of Thin Plastic Sheeting; ASTM D1003-61(1988) oe for Haze and Luminous Transmittance of Transparent ASTM D1044-90 Test Method for Resistance of Transparent Plastics to Surface Abrasion; ASTM D1204-84 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic ; Sheeting or Film at Elevated Temperature; ASTM D1242-87 Test Methods for Resistance of Plastic Materials to Abrasion; ASTM D1593-89 Specification for Non rigid Vinyl Chloride Plastic Sheeting; ASTM D1925-70(1988) Test Method for Yellowness Index of Plastics; ASTM D1927-81(1988) Specification for Rigid Poly (Vinyl Chloride) Plastic Sheet; ASTM D1929-91 Test Method for Ignition Properties of Plastics; ASTM D2103-86 Specification for Polyethylene Film and Sheeting; ssn Sahn area anneinehervaiinnen ns ASTM D2126-87 Test Method for Response of Rigid Cellular Plastics to Thermal and Humid Aging: ASTM D2842-69(1988) Test Method for Water Absorption of Rigid Cellular Plastics; ASTM D2843-77(1988) noe for Density of Smoke from the Burning or Decomposition of ASTM D3293-90 Specification for PTFE Resin Molded Sheet; ASTM D3678-88 Ferg for Rigid Poly (Vinyl Chloride) (PVC) Interior-Profile ASTM D3679-91 Specification for Rigid Poly (Vinyl Chloride(PVC) Siding; ASTM D3841-88 Specification for Glass-Fibre-Reinforced Polyester Plastic Panels; ASTM D4802-88 Specification for Poly (Methyl Methacrylate)Acrylic Plastic Sheet; ASTM E84-91 Test Method for Surface Burning Characteristics of Building Materials; ASTM E119-88 Test Methods for Fire Tests of Building Construction and Materials. ### 2.16.3 Ballies and Wood Poles Ballies of Sal/Gazari, Sundari and Garjan are used in building construction. These shall be free from rots, knots and sap, and straight and uniform in size. These should conform to the following standards: BDS 809:1973 ers for Wood Poles for Overhead Power and Telecommunication ines; ASTM D25-91 Specification for Round Timber Piles; IS 3337:1978 Specification for Ballies for General Purposes (First Revision); IS 1900:1974 Method of Testing Wood Poles; IS 6711:1972 Code of Practice for Maintenance of Wood Poles for Overhead Power and Telecommunications Lines. ### 2.16.4 Bamboos The following standards shall be applicable for bamboos used for structural and nonstructural purposes: IS 1902:1961 Code of Practice for Preservation of Bamboo and Cane for Non-structural Purposes; IS 6874:1973 Method of Tests for Round Bamboos; IS 8242:1976 Methods of Tests for Split Bamboo; IS 8295:1976 Specification for Bamboo Chicks, Part I Fine; IS 9096:1979 Code of Practice for Preservation of Bamboos for Structural Purposes. ### 2.16.5 Fillers, Stoppers and Putties These shall conform to the following standards: IS 110:1968 Specification for pia? A Mixed Paint, Brushing, Grey Filler, for Enamels, or Use Over Primers (First Revision); IS 345:1952 Specification for Wood Filler, Transparent, Liquid; IS 419:1967 Specification for Putty for Use on Window Frames (First Revision); IS 421:1953 Specification for Jointing Paste, for Bedding Moldings on Coaching Stock; IS 423:1961 Specification for Plastic Wood, for Joiners’ Filler (revised); IS 424:1965 Specification for Plastic Asphalt (revised); IS 3709:1966 Specification for Mastic Cement for Bedding of Metal Windows; IS 7164:1973 Specification for Stopper. ### 2.16.6 Wire Ropes and Wire Products These materials shall conform to the following standards: ASTM A116-88 So Sd for Zinc-Coated (Galvanized) Steel Woven Wire Fence ASTM A121-86 Specification for Zinc-Coated (Galvanized) Steel Barbed Wire; ASTM A368-82(1987) Specification for Stainless and Heat-Resisting Steel Wire Strand; ASTM A392-91 Specification for Zinc-Coated Steel Chain-Link Fence Fabric; ASTM A475-89 Specification for Zinc-Coated Steel Wire Strand; ASTM A492-82(1987) Specification for Stainless and Heat -Resisting Steel Rope Wire; ASTM AS510-91 Specification for General Requirements for Wire Rods and Coarse Round ire, Carbon Steel; ASTM A585-86 Specification for Aluminium Coated Steel Barbed Wire; ASTM A586-86(1991) aerate for Zinc-Coated Parallel and Helical Steel Wire Structural ASTM A603-88 Specification for Zinc-Coated Steel Structural Wire Rope; ASTM A817-91 Specification for Metallic-Coated Steel Wire for Chain Link Fence Fabric; ASTM A824-91 Specification for Metallic-Coated Steel Marcelled Tension Wire for Use with Chain Link Fence. ASTM F1183-88 Specification for Aluminium-Alloy Chain Link Fence Fabric; IS 2365:1977 Specification for Steel Wire Suspension Ropes for Lifts, Elevators and oists (First Revision). ### 2.16.7 Waterproofing and Damp-proofing Materials Waterproofing and damp-proofing materials shall conform to the following standards: ASTM D41-85 Specification for Asphalt Primer Used in Roofing, Damp-proofing and aterproofing; ASTM D43-73(1988) Specification for Creosote Primer Used in Roofing, Damp-proofing and aterproofing; , ASTM D146-90 Test methods of Sampling and Testing Bitumen Saturated Felts and Woven Fabrics for Roofing and Waterproofing; ASTM D173-73 Specification for Bitumen-Saturated Cotton Fabrics Used in Roofing and aterproofing; ASTM D 224-89 Specification for Smooth-Surfaced Asphalt Roll Roofing (Organic Felt); ASTM D226-89 Specification for Asphalt-Saturated Organic Felt Used in Roofing and aterproofing; ASTM D227-89 Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and aterproofing; ASTM D 249-89 Specification for Asphalt Roll Roofing (Organic Felt) Surfaced with ineral Granules; ASTM D250-88 Specification for Asphalt-Saturated Asbestos Felt Used in Roofing and aterproofing; ASTM D312-89 Specification of Asphalt Used in Roofing; ASTM D 449-89 Specification for Asphalt Used in Damp-proofing and Waterproofing; ASTM D450-78 aioe for Coal-Tar Pitch Used in Roofing, Damp-proofing and aterproofing; ASTM D1327-86 Specification for Bitumen-Saturated Woven Burlap Fabrics Used in Roofing and Waterproofing; ASTM D1668-86 Specification for Glass Fabrics (Woven and Treated) for Roofing and aterproofing; ASTM D2178-89 Specification for Asphalt Glass Felt Used in Roofing and Waterproofing; ASTM D2626-86 4 ea for Asphalt-Saturated and Coated Organic Felt Base Sheet sed in Roofing; ASTM D3468-90 Specification for Liquid-Applied Neoprene and Chlorosulfonated Polyethylene Used in Roofing and Waterproofing. ### 2.16.8 Glazed Tiles and Tile-setting Mortars Glazed tiles shall conform to the following standards: BDS 1301:1990 Specification for Glazed Earthenware Wall Tiles; ASTM C126 - 86 Specification for Ceramic Glazed Structural Clay Facing Tile, Facing Brick and Solid Masonry Units; ANSI A137.1 Specification for Ceramic Tile; BS 6431 Part 1 to Part 23 Ceramic Floor and Wall Tiles. #### 2.16.8.1 Mortars for Ceramic Wall and Floor Tile a) b) °) d) e) h) i) Portland Cement Mortars: Portland cement mortars for installing ceramic wall and floor tile shall comply with ANSI A108.1 and be of the compositions indicated in Table 5.2.1. Dry-set Portland Cement Mortars: Premixed prepared Portland cement mortars, which require only the addition of water and which are used in the installation of ceramic tile, shall comply with ANSI A 118 1 The shear bond strength for tile set in such mortar shall be as required in accordance with that standard. Tile set in dry-set Portland cement mortar shall be installed in accordance with ANSI A 108.5. Electrically Conductive Dry-Set Mortars: Premixed prepared Portland cement mortars, which require only the addition of water and which comply with ANSI A118.2, shall be used in the installation of electrically conductive ceramic tile. Tile set in electrically conductive dry-set mortar shall be installed in accordance with ANSI A 108.7. Latex-modified Portland Cement Mortars: Latex-modified Portland cement thin set mortars in which Lalex is added to dry-set mortar as a replacement for all or part of the pauging water which are used for the installation of ceramic tile shall comply with ANSI A 118.4. Tile set in latex-modified Portland cement mortar shall be installed in accordance with ANSI A 108.5. Epoxy Mortar: Chemical-resistant epoxy for setting and grouting ceramic tile shall comply with ANSI A 118.3. Tile set and grouted with epoxy shall be installed in accordance with ANSI A 108.6. Furan Mortar and Grout: Chemical resistant furan mortar and grout which are used to install ceramic tile shall rt with ANSI A 118.5. Tile set and grouted with furan shall be installed in accordance with ANSI A 108.8 Modified Epoxy-Emulsion Mortar and Grout: Modified ee psig a mortar and grout which are used to install ceramic tile shall comply with ANSI A 118.8. Tile set and grouted with modified epoxy- emulsion mortar and grout shall be installed in accordance with ANSI A 108.9. Organic Adhesives: Water-resistant organic adhesives used for the installation of ceramic tile shall comply with ANSI A 136.1. The shear bond strength after water immersion shal] not be less than 0.25 kN/mmé? for Type I adhesive, and not less than 0.13 KN/mm? for Type Il adhesive when tested in accordance with ANSI A 136.1. Tile set in organic adhesive shall be installed in accordance with ANSI A 108.4. Portland Cement Grouts: Portland cement grouts used for the installation of ceramic tile shall comply with ANSI A 118.6. Portland cement grouts for tilework shall be installed in accordance with ANSI A 108.10. ae Applicable Standards: A list of applicable standards for tiles, mortars and adhesives is given elow. BDS 1301 : 1990 Specification for Glazed Earthenware Wall Tiles; ASTM (C126 - 86 Specification for Ceramic Glazed Structural Clay Facing Tile, Facing Brick and Solid Masonry Units; ANSI A108.1-85 Specification for the Installation of Ceramic Tile with Portland Cement ortar; ANSI A108.4-85 Installation of Ceramic Tile with Organic Adhesives or Water Cleanable Tile Setting Epoxy Adhesive; ‘ ANSI A108.5-85 Installation of Ceramic Tile with Dry-Set Portland Cement Mortar or Latex-Portland Cement Mortar; ANSI A108.6-85 Installation of Ceramic Tile with Chemical Resistant, Water Cleanable Tile Setting and Grouting Epoxy; ANSI A108.7-85 Specification for Electrically Conductive Ceramic Tile Installed with onductive Dry-Set Portland Cement Mortar; ANSI A108.8-85 ee of Ceramic Tile with Chemical Resistant Furan Mortar and rout; ANSI A108.9-85 Installation of Ceramic Tile with Modified Epoxy Emulsion Mortar/Grout; ANSI A108.10-85 Installation of Grout in Tilework; ANSI A118.1-85 Specification for Dry-Set Portland Cement Mortar; ANSI A118.2-85 Specifications for Conductive Dry-set Portland Cement Mortar; ANSI = A118.3-85 Specifications for Chemical Resistant Water Cleanable Tile Setting and routing Epoxy and Water Cleanable Tile Setting Epoxy Adhesive; ANSI A118.4-85 Specifications Furan Latex - Portland Cement Mortar; ANSI A118.5-85 Specifications for Chemical Resistant Furan; ANSI . A118.6-85 Specifications for Ceramic Tile Grouts; ANSI A118.8-85 Specifications for Modified Epoxy Emulsion Mortar/Grout; ANSI A136.1-85 Organic Adhesives for Installation of Ceramic Tile; ANSI —\_A137.1-88 Specifications for Ceramic Tile; BS 6431 Floor and Wall Tiles; BS 6431 Part 1 1983 Specification for Classification and Making, Including Definitions and aracteristics; BS 6431 Part 2.1984 Specification for Extruded Ceramic Tiles with Low Water Absorption (E\<3%) Group A1; BS 6431 Part 3 Extruded Ceramic Tiles with a Water Absorption of 3% \< 6%. Group A lla; BS 6431 Part 3 Section 3.1 1986 Specification for General Products; BS 6481 Part 3 ; Section 3.2 1986 Specification for Products Terre Cuite, Cotto, Baldosion Catalan; BS 6431 Part 4 Extruded Ceramic Tiles with a Water Absorption of 6% \ 10%, Group A111; Specification for Dust-prestressed Ceramic Tiles with a Low-Water Absorption (E\<3%) Group B1; Specification for Dust-prestressed Ceramic Tiles with a Water Absorption of 3% \10%. Group B111; Method for Determination of Dimensions and Surface Quality; Method for Determination of Water Absorption; Method for Determination of Modulus of; Method for Determination of Scratch Hardness of Surface According to Mhos; Method for Determination of Resistance to Abrasion of Unglazed Tiles; Method for Determination of Linear Thermal Expansion; Method for Determination of Resistance to Thermal Shock; Method for Determination of Crazing Resistance-Glazed Tiles; Method for Determination of Chemical Resistance-Unglazed Tiles; Method for Determination of Chemical Resistance-Unglazed Tiles; Method for Determination of Resistance to Surface Abrasion-Glazed Tiles; Specification for Sampling and Basis for Acceptance; Refractories shall conform to the following standards: Iso IsO Iso IsO IsO ISO Iso IsO ISO Iso 528:1983 1109:1975 1146:1988 1893:1989 1927:1984 2245:1990 2477:1987 2478:1987 3187:1989 5013:1985 Refractory Products-Determination of Pyrometric Cone Equivalent (refractoriness); Refractory Products-Classification of Dense Shaped Refractory Products; Pyrometric Reference Cones for Laboratory Use-Specification; Refractory Products-Determination of Refractoriness-Under-Load (differential with rising temperature); Prepared Unshaped Refractory Materials (Dense and Insulating) Classification; Shaped Insulating Refractory Products-Classification; ISO 2477:1987 Shaped Insulating Refractory Products-Determination of Permanent Change in Dimensions on Heating; Dense Shaped Refractory Products-Determination of Permanent Change in Dimensions on Heating; Refractory Products-Determination of Creep in Compression; Refractory Products-Determination of Modulus of Rupture at Elevated Temperatures; ISO IsO IsO IsO IsO ISO IsO IsO ISO IsO ISO IsO IsO Iso ISO IsO ISO IsO ISO ### 2.16.10 Thermal Insulating Materials 5014:1986 5016:1986 5017:1988 5018:1983 5019-1:1984 5019-2:1984 5019-3:1984 5419-4:1988 5015-6:1984 5022:1979 8656:1988 8840:1987 8890:1988 8894-1:1987 8894-2:1990 8895:1986 9205:1988 10080:1990 10081:1991 Refractory Products-Determination of Modulus of Rupture at Ambient Temperature; Shaped Insulating Refractory Products-Determination of Bulk Density and True Porosity; Dense Shaped Refractory Products-Determination of Bulk Density, Apparent Porosity and True Porosity; Refractory Materials-Determination of True Density; Refractory Bricks-Dimensions-Part I: Rectangular Bricks; Refractory Bricks-Dimensions-Part 2: Arch Bricks; Refractory Bricks-Dimensions-Part 3: Rectangular Checker Bricks for Regenerative Furnace; a sig Bricks-Dimensions-Part 4: Dome Bricks for Electric arc Furnace OOIS; Refractory Bricks-Dimensions-Part 6: Basic Bricks for Oxygen Steel Making Converters; Shaped Refractory Products-Sampling and Acceptance Testing; Refractory Bricks for Use in Rotary Kilns-Dimensions; Refractory Products-Sampling of Raw Materials and Unshaped Products; Part 1; Sampling Scheme; Refractory Materials-Determination of Bulk Density of Granular Materials (Grain Density); Dense Shaped Refractory Products-Determination of Resistance to Sulfuric. \_ Acid; Refractory Materials-Determination of Thermal Conductivity- Part 1: Hot-Wire Method (Cross-Array); Refractory Materials-Determination of Thermal Conductivity- Part 2: Hot-Wire Method (Parallel); Shaped Insulating Refractory Products-Determination of Cold Crushing Strength; Refractory Bricks for Use in Rotary Kilns-Hot-face Identification Marking; Refractory Products-Classification of Dense, Shaped Acid-Resisting Products; : Basic Refractory Products-Classification-Part I: Products Containing Less Than 7% Residual Carbon. Thermal insulation may be in the following physical forms: Loose fill dry granules or nodules poured or below in place; Flexible or semi rigid blankets and bolts of wool like material; Rigid boards and blocks; Membrane reflective insulation; Spray applied mineral fibre or insulating concrete; Poured in plain-insulating concrete; Foamed in place-polyurethane; Gypsum plaster. Thermal insulating materials shall conform to the standards listed below. ASTM C167-90 Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations; ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM C177-85 C195-90 C196-87 C208-72 (1982) C209-84 C236-89 C240-91 C335-89 411-82 (1987) C449 /C449M-88S 516-80 (1990) C518-91 520-81 (1985) 533-85 (1990) 547-77 549-81 (1986) 553-70 (1977) 591-85 610-85 C665-88 C726-88 C739-91 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded Hot plate Apparatus; Specification for Mineral Fibre Thermal Insulating Cement; ee for Expanded or Exfoliated Vermiculite Thermal Insulating Specification for Insulating Board (Cellulose Fibre), Structural and ecorative; Methods of Testing Insulating Board (Cellulose Fibre), Structural and Decorative; Test Method of Steady-State Thermal Performance of Building Assemblies by Means of a Guarded Hot Box; Test Methods of Testing Cellular Glass Insulation Block; Test Method for Steady-State Heat Transfer Properties of Horizontal Pipe Insulation; Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation; Specification for Mineral Fibre Hydraulic-Setting Thermal Insulating and inishing Cement; Specification for Vermiculite Loose Fill Thermal Insulation; Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus; Test Methods for Density of Granular Loose Fill Insulations; Specification for Structural Insulating Formboard (Cellulosic Fibre); Specification for Calcium Silicate Block and Pipe Thermal Insulation; Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular Form; Specification for Mineral Fibre Preformed Pipe Insulation; Specification of Perlite Loose Fill Insulation; Specification for Cellular Glass Thermal Insulation; —— for Mineral Fibre Blanket and Felt Insulation (Industrial ype); Specification for Preformed Cellular Polystyrene Thermal Insulation; Specification for Unfaced Preformed Rigid Cellular Polyurethane Thermal Insulation; Specification for Mineral Fibre Blanket Insulation and Blanket-Type Insulation (Metal Mesh Covered); Specification for Expanded Perlite Block and Pipe Thermal Insulation; Specification for Mineral Fibre Block and Board Thermal Insulation; Specification for Mineral-Fibre Blanket Thermal Insulation for Light ‘rame Construction and Manufactured Housing; Specification for Mineral Fibre Roof Insulation Board; Specification for Perlite Thermal Insulation Board; Specification for Cellulosic Fibre (Wood-Base) Loose Fill Thermal Insulation; : ASTM C764-91 Specification for Mineral Fibre Loose-Fill Thermal Insulation; ASTM (916-85 (1990) Specification for Adhesives for Duct Thermal Insulation; ASTM C984-83 Specification for Perlite Board and Rigid Cellular Polyurethane Composite oof Insulation; ASTM C991-90 Specification for Flexible Glass Fibre Insulation for Pre-Engineered Metal Buildings; ASTM C1013-85 Specification for Membrane-Faced Rigid Cellular Polyurethane Roof Insulation; ASTM C1014-88 Specification for Spray-Applied Mineral Fibre Thermal or Acoustical Insulation; ASTM C1029-90 Specification for Spray-Applied Rigid Cellular Polyurethane Thermal ‘ Insulation; ASTM C1050-91 Specification for Rigid Cellular Polystyrene-Cellulosic Fibre Composite Roof Insulation; ASTM (1071-86 Specification for Thermal and Acoustical Insulation (Mineral Fibre Duct Lining Material). ### 2.16.11 Screw Threads and Rivets These shall conform to the following standards : IS 554:1975 Dimensions for Pipe Threads where Pressure Tight Joints are Required on the Threads (Second Revision); IS 1929:1982 Specification for Hot Forged Steel Rivets for Hot Closing (12 to 36 mm diameter) (First Revision); IS 2155:1982 —— for Cold-Forged Solid Steel Rivets for Hot Closing (6 to 16 mm ameter) (First Revision); IS 2643:1975 Dimensions for Pipe Threads for Fastening Purposes; Part I - Basic Profile and Dimensions (First Revision); Part II - Tolerances (First Revision); Part III - Limits of Sizes; IS 2907:1964 Specification for Non-ferrous Rivets (1.6 mm to 10 mm) IS 2998:1981 Specification for Cold Forged Steel Rivets for Cold Closing (1 to 16 mm diameter) (First Revision); IS 10102:1982 Technical supply conditions for Rivets. ### 2.16.12 Sealants * Sealants shall conform to the following standards: ASTM C 509-90 S rN a for Elastomeric Céllular Preformed Gasket and Sealing aterial; ASTM C542-90 Specification for Lock-Strip Gaskets; ASTM (C564-88 Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings; ASTM = (C570-72(1989) Specification for Oil-and-Resin-Base Caulking Compound for Building ‘onstruction; ASTM (C716-87 Specification for Installing Lock-Strip Gaskets and Infill Glazing aterials; ASTM (719-86 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle); ASTM C790-90 Guide for Use of Latex Sealants; ASTM (C794-80 (1986) Test Method for Adhesion-in-Peel of Elastomeric Joint Sealants; ASTM C804-83 (1988) Practices for Use of Solvent-Release Type Sealants; ASTM (834-76 (1986) Specification for Latex Sealing Compounds; ASTM C864-90 Specification for Dense Elastomeric Compression Seal Gaskets, Setting Blocks, and Spacers; ASTM (919-84 (1988) Practice of Use of Sealants in Acoustical Applications; ASTM (920-87 Specification for Elastomeric Joint Sealants; ASTM (C962-86 Guide for Use of Elastameric Joint Sealants; ASTM D2628-91 Specification for Preformed Polycholoroprene Elastomeric Joint Seals for ‘oncrete Pavements; ASTM D3405-78 Specification for Joint Sealants, Hot-Poured, for Concrete and Asphalt Pavements; ASTM D3406-85 Specification for Joint-Sealant, Hot-Applied, Elastomeric-Type, for Portland Cement Concrete pavement ; ASTM D3667-85 (1990) Specification for Rubber Seals Used in Flat-Plate Solar Collectors; ASTM D3771-85 (1990) Specification for Rubber Seals Used in Concentrating Solar Collectors; ASTM D3832-79 (1987) Specification for Rubber Seals Contacting Liquids in Solar Energy Systems; ISO 3934:1978 Rubber Building Gaskets-Materials in Preformed Solid Vulcanizates Used for Sealing Glazing and Panels-Specification; ISO 4633:1983 Rubber Seals-Joint gy for Water Supply, Drainage and Sewerage Pipelines-Specifications for Materials; ISO 4635:1982 Rubber, Vulcanized-Preformed Compression Seals for Use Between Concrete Motorway Paving Sections-Specifications for Material; ISO 5892:1981 Rubber Building Gaskets-Materials for Preformed Solid Vulcanized Structural Gaskets-Specification; ISO 6447:1991 Rubber Seals-Joint een Used for Gas Supply Pipes and Fittings- Specification for Material; ISO 9331:1991 Rubber Seals Joint Rings for Hot Water Supply Pipelines up to 110°C Specifications for the Material. ### 2.16.13 Joints and Jointing Products - Joints and jointing products shall conform to the following standards : ISO 2444 : 1988 Joints in Buildings-Vocabulary; ISO 3867:1982 Agglomerated Cork-Material of Expansion Joints for Construction and Building Test-Methods; ISO 3869:1981 sh heey mam Cork-Filler Material of Expansion Joints for Construction and Buildings -Characteristics, Sampling and Packing; ISO 3934:1978 Rubber Building Gaskets-Materials in Preformed Solid Vulcanizates Used for Sealing Glazing and Panels-Specification; ISO 4633:1983 Rubber Seals-Joint Rings for Water Supply, Drainage and Sewerage Pipelines-Specification for Materials; ISO 4635:1982 Rubber, Vulcanized-Preformed Compression Seals for Use Between Concrete Motorway Paving Sections-Specification for Material; ISO 5892:1981 Rubber Building Gaskets-Materials for Preformed Solid Vulcanized Structural Gaskets-Specification; ISO 6447:1983 Rubber Seals-Joint = Used for Gas Supply Pipes and Fittings- Specification for Material 7 ISO 6589:1983 Joints in Building-Laboratory Method of Test for Air Permeability of Joints; ISO 7389:1987 Building Construction-Jointing Products-Determination of Elastic Recovery; ISO 7390:1987 + ne Construction-Jointing Products-Determination of Resistance to low; ISO 7727:1984 Joints in Buildin, -Principles for Jointing of Building Components- Accommodation of Dimensional Deviations Burin ig, Construction; ISO 8339:1984 Building Construction-Jointing Products-Sealants-Determination of Tensile Properties; ISO 8340:1984 Building Construction-Jointing Products-Sealants-Determination of Tensile Properties at Maintained Extension; ISO 8394:1988 Building Construction-Jointing Products-Determination of Extrudability of One-Component Sealants; ISO 9046:1987 Building Construction-Sealants-Determination of Adhesion/ Cohesion Properties at Constant Temperature; ISO 9047:1989 Building Construction-Sealants-Determination of Adhesion/ Cohesion Properties at Variable Temperatures; ISO 9631:1991 Rubber Seals-Joint Rings for Hot Water Supply Pipelines up to 110°C Specifications for the Material; ISO 10563:1991 Building Construction-Sealants for Joints-Determination of Change in Mass and Volume; IsO 10590:1991 Building Construction-Sealants-Determination of Adhesion/Cohesion Properties at Maintained Extension after Immersion in Water; ISO: 1059T 21991: Building Construction-Sealants-Determination of Adhesion/Cohesion Properties after Immersion in Water. ### 2.16.14 Glass and Glazing The applicable standards for glass and glazing are listed below : ASTM C1036-90 Specification for Flat Glass; ASTM C1044-90 Specification of Heat-Treated Flast Glass Kind HS, Kind FT Coated and ncoated Glass; ANSI Z 97.1 Safety Performance Specifications and Methods of Tests for Transport Safety Glazing Materials Used in Building; CPSC \_16‘CFR Safety Standard for’Architectural Glazing Materials. Part 1201A ## 2.17 CGI SHEET ROOFING AND WALLING Galvanized corrugated steel sheets conforming to BDS 868, Galvanized Corrugated Sheet Roof and Wall Coverings, may be used over structural framing for construction of roofs and walls. Requirements for various roofing materials including CGI sheet have been specified in Sec 2.13 above.