supply of colour coated sheet for season 2023-24 , sapply of colour coated sheet , bare zincalume trapezoidal profile roof sheet of 0.45mm base metal thickness ( 0.51tct ) pf 935mm 980mm effective cover width, with minimum 8 major corrugation, of 24mm 30mm gigh rib spaced at 93.5mm or more c / c. the end rib shall have anti-capillary groove and return leg. the feed material shall be of 0.45mm bmt. ( 0.51mmtct zincalume ) steel-high tensile with min 550mpa yield strength, metallic hot dipped coated with alza alloy ( 55% aluminium, 43.5% zinc; 1.5%si ) as per as1397 / is15961-zincalume az 200 ( min 200g / m2 total on both sides ) of steel make having the licence of bethlehen international engineering corporation ( biec ) . ( as per technical specification ) , aliminium profile industrial sheet made from primary producer alloy 31500b, conforming to is 1254 , is 737, is 2676. the sheet shall be made of 0.71mm thick , the profile detail width 1044 cover width 1000mm , non asbestos corrugated cement roofing sheet ( natural grey ) 6mm thich, 1050mm width & of varying lengths containg organic and / or inorganic synthetic fibers, material should be asbestos free and eco friendly. product should confirm is 14871:2000 having profile matching to roof sheet conforming to is:459. , supply of ridge cap ( plain ) customized as per design up to 600 mm with same steel specification as in blues cope steel bare az 200 zincalume trapezoidal profile sheet of 930-980 mm with supply width of 992 mm of 0.45 mm base metal thickness ( 0.51mm tct ) with mm 550 mpa, 90 mt. approximate