Drainage main line laying arrangements at velar street to DD main road in ward 57

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand,silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering, ,and baling out water and cleaning and levelling the site etc.,complete 10 m3

SALT GLAZED STONEWARE PIPE AS PER IS 651/2007 of 1000MM length with Rubber Gasket-200mm pipe

Total cost of laying and jointing SW pipes with CM and packing with spun or tarred yarn etc. complete for 1m

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. CIRCULAR TYPE MANHOLE,1500 mm DIA UPTO 2500mm DEPTH

Refilling gallery trench and filter basins with clean excavated sand free from silt and clay

Add GST 18%

BAVITHRA BUILDERS (BID ID -1115423)