Providing roof to thecage shelterfor 5 sites in Sriperumbudur (4239_Santhavel_Thirumgl, 4260_Thirupandiyur), Kancheepuram (4020_RL_GOVINDAVADI) and Tiurthaniarea (Poonimangadu , Laxmapuram )
Sl. No.
Item Description
1
Providing and fixing by welding to steel frame heavy duty hinges of size 50x50x4mm
2
Providing and fixing MS aldrop of size 250x16mm with Eye made of MS flats of thickness 5mm welded to the steel door with rounds made of flats 25x5mmand drop made of 40x5mm flat to required length
3
Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. a) Hot finished welded type tubes.
4
Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) 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 and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.
5
For roofing
6
for cladding. Fixing to the weld mesh walls with bolts nuts washers on both faces. Inside washer to be of size to cover the square gap of weld mesh instead of self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal.
7
Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on Old work.
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