Replacing The Ac Roofing Sheets Damaged In The Heavy Rain At Tractor Unit Sub Assembly-2 Dismantling roofing sheets including ridges, hips, valleys and gutters etc., and stacking the material within 500 metres lead as per the direction of engineer- in- charge.The rate also inclusive of the cost of scaffolding for all heights,necessary safety measures etc. complete. 3 Supplying and providing roofing with Alu-Zinc/Alu-GI(corrugated /Trafford/Tile profile)sheets (JSW/ Bhushan/ Apollo)of0.50 mm thick having total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation including bending to the required shape , with overlap 200 mm at the ends & GI hooks or crank bolts & nuts (or fixing by using self driving steel screw sets)etc. complete. The joint between the sheet andwall should be made water proof also. The rate also inclusive of the cost ofscaffolding for all heights, necessary safety measures etc. complete. 4 Re-fixing of the Alu-GI sheet available as corperate material after removing the damaged AC roofing sheet, fixing by using self driving screw sets including plain washers & bitumen washers etc. complete. The rate also inclusive of the cost of scaffolding for all heights,necessary safety measures etc. complete.
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