provision 3 no 6 mtr gipipe northview

Amount

Sub-Head : Concrete Work

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 :

1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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

Columns, piers, abutments, pillars, posts and struts.

Sub-Head : Steel Work

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Providing and fixing G.I. pipes/ poles of approved size by welding etc. to steel structure of existing roof and similar works, including applying priming coat of approved steel primer.

100 mm dia G.I. pipes

Sub-Head : Roofing

Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to 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.

0.63 mm thick with zinc coating not less than 275 gm/ m²

Extra for circular cutting in C.G.S. sheet roofing for making opening of area exceeding 40 sq. decimeter:

0.63 mm thick

Providing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J. or L hooks, bolts and nuts 8 mm dia. G.I. limpet and bitumen washers complete.

0.63 mm thick with zinc coating not less than 275 gm/m²

Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia. G.I. limpet and bitumen washers complete :

1.60 mm thick with zinc coating not less than 350 gm/m²

Providing fixing of 40 cm overall width plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts, G.I. limpet and bitumen washer complete, bent to shape and fixed in wall with cement mortar 1:3 (1cement : 3 coarse sand).

1.00mm thick with zinc coating not less than 275 gm/m²

Sub-Head : Finishing

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

Two or more coats on new work.

Sub-Head : Dismantling and Demolishing

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

G.S. Sheet

Credit for dismantled material

Iron Scrap