New Construction of manhole to kamarajapuram north street Lakshmipuram 4th street American mission lane supply and raising the existing damaged manhole at various places in ward 46

Amount

Cost of the Manhole for 3m depth Construction of manholes using sulphate resistant cement at various depths to invert including earth work excavation asperSS20B, laying cement concrete in C.M.1:3:6 using 40mm B.G. jelly for foundation, sinking well kerb below G.L. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above, stock brick work in C.M.1:3, for 23cm thick wall and over 23cm thick wall, plastering interior with C.M.1:3, 20mm thick and exterior with C.M.1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12.0mm to 20mm B.G. jelly fixing the frame, providing C.I. steps, manhole cover and frame etc. complete for the following sizes for each manhole (As per the type design drawing for manholes).

Cost of the Manhole for 2m depth

Supplying, Laying , jointing testing 200mm dia SW pipes including earthwork excavation for trenches in hard stiff clay ,stiff black cotton,hard red earth, shales,murams,gravel,stoney earth and earth mixed with small size boulders and banks with initial lead of 10m and lowering into trenches and aligning refilling the trenches with excavated earth in layers of not more than 23cm thick watering and ramming to consolidation disposal of surplus earth etc.,complete 2m depth.

Raising the exisisting circular manhole in heavy type inclusding the removing the exisiting the manhole cover with frame and dismantling the existing the cement concrete wall and tar road surface around the manholes using 1:2:4 20 mm jally for raising the exisisting the manhole wall and using 1:2:4 with 20mm chips for finishing the top surface of manhole etc complete .

Add 18% GST

C SATHIYASEELAN (BID ID -1107194)