A/R and M/O water supply under Sub-Division No. II, Tugapur , NACD, APWD, Mayabunder during 2023-24.SW-Construction of small check weir and laying of pipe line from Chuglumgum source to Hira Mondal House at Tugapur No-8 under SD-II, NACD, APWD, Maya

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

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 20 mm nominal size derived from natural sources)

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)

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

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

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

15 mm dia nominal bore

40 mm dia nominal bore

50 mm dia nominal bore

65 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 (screwed end) :

40 mm nominal bore

50 mm nominal bore

65 mm nominal bore

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

15 mm diameter pipe

40 mm diameter pipe

50 mm diameter pipe

65 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) :

15 mm nominal bore

40 mm nominal bore

50 mm nominal bore

65 mm nominal bore

carriage of material by head load from truckable road to work site to an average lead of 1.00 Km

Stone aggregate below 40mm and sand to an average lead of 1.00 Km

Stone aggregate 40mm and above to an average lead of 1.00 Km

Cement to an average lead of 1.00 Km

G.I.pipes below 100 mm to an average lead of 0.50 Km

T CHANDRA SEKHAR

S B SHARMA

BHAGWAN SINGH