Provision of G.I. pipe line for water supply in staff quarters compound at Mahanagar Lucknow i/c ancillary civil works.

Amount

DSR 2021 Items

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 Cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources).

1:5:10 (1 cement : 5 coarse sand(zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:6 (1 cement : 6 coarse sand)

Half brick masonry with non modular fly ash bricks of class designation 10, conformingio IS :12894, in super structure above plinth and upto floor V level.

Cement mortar 1 : 3 (1 cement : 3 coarse sand)

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

15 mm to 40 mm nominal bore

Above 40 mm nominal bore

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. : Internal work – Exposed on wall.

20 mm dia. nominal bore

25 mm dia. nominal bore

40 mm dia. nominal bore

50 mm dia. nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work

25 mm dia. nominal bore

40 mm dia. nominal bore

50 mm dia. nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

50 to 80 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality ZOLOTO or equivalent (screwed end) :

25 mm nominal bore

40 mm nominal bore

50 mm nominal bore

Painting G.I. pipes and fittings with two coats of anti-corrosive bitumastic paint of approved quality :

25 mm diameter pipe

40 mm diameter pipe

50 mm diameter pipe

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

25 mm nominal bore

40 mm nominal bore

50mm nominal bore

Grading roof for water proofing treatment with

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

LMR ITEMS

Applying bond coat with neat cement punning including mixing with bonding chemical of approved brand in the proportion recommended by the manufacturer on old concrete surface before application of new plaster/ concrete etc. including chipping of all loose particles, cleaning with wire-brush and washing with water complete. (Note: Cost of approved bonding chemical to be paid for separately.)

Supplying at site approved bond chemical (like Pidicrete URP etc.) to be used in repair works as per manufacturer's specifications

Providing manual assistance for minor civil works such as cleaning of area surrounding building, trimming of tree branchs over buildings, disposal of dumped unservicable material from terrace to ground floor in dumping ground, rearangement of existing water supply lines etc as per direction of Engineer In charge .

Skilled manual assistance

Unskilled manual assistance

Credit of unserviceable fittings and other materials recieved from dismantling:

Old rusted (unserviceable) C.I./S.C.I. Pipes and fittings, Mild Steel/ Steel Sections, G.I./M.S. Pipes, old steel window and grill etc.