Construction of manhole and pipe line arrangements at manmalai medu 3rd street in ward 14

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 wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15cm thick well rammed and cleaning and levelling the site etc.,complete - Open Earth work Excavation (Building data Pg.No: 25)

Supply of 140mm dia 6ksc PVC Pipe etc Compt.(P.No-21)

Supply of PVC Pipes and specials 140mm PVC Coupler

140mm Tee

Refilling the trenches with excavated earth in layer of 15cm thick well rammed consolidated including watering complying with standed 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).Size 900 x 1200 mm(Building data Pg.No: 93) 1m depth

1.5m depth

Add GST 18%

R SHANMUGAVEL (BID ID -1209828)