Supply and manufacturing/ placing in position of steel tubular trusses/ purlins and fixing of colour coated sheet on curved roof surface for the construction of Multipurpose Indoor Sports Hall at Kishtwar.

Amount

Steel work in built up tubular sections in parabolic trusses & framed work, including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer, cost of material, lifts, leads & carriage upto site complete (pipe to be used for fabrication of trusses shall be of Jindal make)

Providing and fixing of corrugated 0.63mm thick colour coated sheet on curved roof surface as per drawing. The sheets shall be fixed using self drilling/ self tapping screws of size (5.5x5.5mm) with EPDM seal or with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I limpet washers or with G.I limpet washers filled with white lead complete. excluding the cost of purlins rafters and trusses and including cutting to size and shape wherever required ( 0.63mm thick)

Providing and fixing 0.50mm thick plane colored sheet on eves boarding 30cm width or approved color with necessary fitting or design including all leads, lift carriage upto scaffolding complete.

Providing and fixing of 3mm thixk ACP sheet of approved make ( Zero bond/ Ai stone) on all site of steel girder inner beam as per approved pattern

Note:- 1. The pipe to be used in trusses/ purlins shall be of jindal make conferming to IS:1239. 2. Gusset plates are 10mm thick unless otherwise specified. 3. Fabrication and errection shall conform to IS:800. 4. All welding Shall be done in accordance with IS:816 & 9595. 5. Colour coated sheet shall be of TATA are jindal make onlyof the following Sepecifications. a. Thickness of Sheet.=0.63mm b. Width of sheet. =900 to 1200 mm depending upon the profile of truss with crust 17.5mm and pitch corrugation 75mm. c. Length of Sheet =10 to 12 feet depending upon the profile of truss. d. Yeild strength =550 MPa. e. Aluminium zink alloy coating 55% AL,43.40% zink,and 1.6 SI zinkalume AZ 150 (minimum 150 gm/Sqm on both sides conferming to AS 1394/ASTM 792 AM the paint shall have total thickness of 35micron. The weathering surface to be given if in a finishing coat of 20 micron of RMP paint and rear side surface to have nature based coating nominal 5.0 micron. f. The following pipes dia are adopted while design the truss.

1. Truss T1 a). Rafter =76.1mm b). Tie = 88.9mm c). Web verticals/diagonals/horizontal =33.7mm & 48.4 mm. 2. Truss T2 a). Rafter/Tie = 48.40mm b). Web verticals/diagonals/horizontal =21.20 mm & 33.70 mm. 3. Purlin for T1 & T2 = 88.90mm 4. Tie Runner for T1 & T2 =88.90 mm 5. Wind Bracing for T1 & T2 =60.30 mm 6. Truss Girder Rafter / tie 88.90 mm, vertical 60.30 / 88.90mm, diagonals 88.90mm 7. Base plate thickness 20mm.

MUSHTAQ AHMED RATHER