Providing GI sheet roof structure for boiler unit behind Common Incubation Centre near Engineering Stores at CSIR-CFTRI, Mysuru

Amount

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5.00 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement : 4 M sand)

15 mm cement plaster on rough side of single or half brick wall of mix: 1:4 (1 cement: 4 M sand)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:1½:3 (1 cement : 1½ M sand derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Cement concrete pavement with 1:2:4 (1 cement : 2 M sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete.

Providing and fixing precoated galvanised steel coloured profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) 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 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 /self 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. MAKE: JSW/ TATA

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. MAKE: TATA/ APPOLLO/ SAIL

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work Recommended Brands [asian - apcolite gloss enamel OR Nerolac – synthetic enamel OR Dulux - Gloss enamel]

B NAGEGOWDA

VISHAL C D

NS INFRAS