Construction of shed with profile sheet roofing on the terrace of CNTX W building using available 32mm GI pipes at Altinho Goa 4th Call

Amount

Providing and laying cement concrete in etaining walls, return walls, walls (any hickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, uttresses, 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.

a) 1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form work for

a) Retaining walls, return walls, walls (any thickness) including attached pilasters, uttresses, plinth and string courses fillets, kerbs and steps etc

Demolishing brick work manually/ by mechanical means including stacking of erviceable material and disposal of nserviceable material within 50 metres lead as per direction of Engineer-in-charge.

a) In cement mortar

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

Structural steel work riveted, bolted or welded in built up sections using available material of GI pipes, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.45 mm ( + 0.05 %), total coated thickness with zinc coating 120 gm 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 12metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) 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.

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete

a) Ridges plain (500 - 600mm)

12 mm cement plaster of mix

a) 1:6 (1 cement: 6 coarse sand)

6 mm cement plaster of mix

a) 1:6 (1 cement: 6 coarse sand)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:

a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.