Raising the existing Manholes and Maintenance works to UGD Main, Construction of Manholes and laying pipelines at Ahmishapuram 7th Street Extension, Prasath Road, Maruthupandiyar Street in Ward No.26.

Replacement of Underground Utilities (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers,jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.200mm dia PVC Pipe -10Ksc

Plain Cement Concrete 1:4:8(One Cement Four sand and Eight aggregates) using 40mm gauge hard broken granite jelly for foundation including watering and consolidation for foundation etc complete.MDU-CORP-BUILDING DATA-P-28-SL No:10

Plain Cement Concrete 1:2:4 (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISSHBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc.,complete as per standard specification MDU-CORP-BUILDING DATA-P-27-SL No:8

Supply of FRC Manhole 600 mm size dia cover with frame including cost of conveyance loading fixing the same etc complete

Raising the existing circular man hole in heavy type including the removing the existing the man hole cover with frame and dismantling the existing the cement concerte wall end tar road surface around the manhole using 1 : 2: 4 20mm jelly for raising the existing the manhole wall and using CC 1:2:4 with 20mm grainte chips for finshing the top surface manhole around etc complete.

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).1m depth

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