Name of Work: Providing roofing to the water supply wells (3 Nos) at Amini
Sl. No.
Item Description
1
Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like.
2
Mud mortar made with local clay good earth.
3
Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete
4
Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade: One or more coats on old work
5
Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete
6
Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer\"s specifications including appropriate priming coat, preparation of surface, etc. complete. On steel work.
7
Providing & fixing at all heights, levels and locations Mill finish Aluminium alloy roofing sheets of alloy IS designation 31500, temper Hx8 conforming to IS 737 and dimensions as per IS code 2676 with characteristics of good formability and corrosion resistance. The profile sheets shall be fixed to truss members in slope or required pitch or curvature with Hex cap headed self drilling/tapping Stainless steel screws M6, 50 mm long with 3 mm EPDM seal washer etc. all inclusive of labour, scaffolding, T&P and sundries etc. complete as per directions of the Engineer-In-Charge. (Cost of truss/frame work shall be paid separately). 0.56 mm, Aluminium troughed profile with center to center pitch of 200 mm, depth of 32 mm, overall profile width1092 mm, cover width 1000mm
8
Providing and fixing of Pre-coated colour or mill finish Aluminium Roofing Accessories in 0.71 mm thickness ,Alloy 31500 (IS designation) [Aluminium Alloy (AA) 3004 (ISO designation)] For color, coating shall be 5-7 microns epoxy primer on both sides of the sheet and polyester top coat 15-18 microns, using self drilling/ tapping SS screws of size 6 x 50mm with 3mm thick EPDM seal and SS plain washer complete : Precoated/mill finish aluminium Ridges plain (500- 600mm)
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