Estimate for water supply from BML at RD 518650/L through pipe line in Harigarh Gehlan Sub Minor.

Amount

Removing hume pipes300mm to 600mm

Earth work in excavation in foundations trenches etc. in all kinds of soil where Pick-Jumper work is not involved and not exceeding 2.0 metres depth including dressing of bottom and sides of trenches, stacking the excavated soil clear from the edge of excavation and subsequent filling around masonry in 15 cm, layers with compaction including disposal of all surplus soil as directed within lead of 30 metres.

Cement concrete 1:3:6 (M-10)with stone ballast or shingle mixing by mechanical means using concrete mixer volumetric type

Reinforced cement concrete M-20 mechanically batch mixed using batch type concrete mixer as per IS:1791 and vibrated by needle vibrator but excluding steel reinforcement centring and shuttering in foundation and plinth

Supplying, fitting and placing HYSD bar reinforcement in sub structure complete as per drawing and Technical Specifications.

Shuttering for faces of concrete foundations and foundation beam & plinth beam (vertical or battering)

Providing, lowering in trenches to correct gradient and alignment, jointing with tyton rubber joint and cutting of reinforced cement concrete spigot and socketed pipes and specials with rubber ring ISI marekd as per IS code IS 458-2003 into trenches for all depths and laying out the same to correct alignment, gradients, levels etc. cutting of concrete beds and joints holes, supporting the pipes and specials in correct position in a suitable rigid manner while the same are being jointed and until the surrounding benchings, haunches and envelopes are completed. The pipes shall rest on the beds at all joints through their lengths and fixing of rubber ring, facing, testing the pipes for leakage and making good the same leakage and all defects to the entire satisfaction of the Engineer-in-charge including all cartage etc R.C.C. Pipe NP -3 R.C.C. Pipe NP -3

Extra for providing 1:2 cement sand mortar on tytone rubber joint of RCC pipes having sockets extended out of barrel, in trenches including facing trowelling and finishing the joints at the angle of 45 degree with faces of socket keeping joints wet till cured, testing the pipe joints for leakproof and making good all leakage and defects as per specifications.

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