Replacing 8inch drainage main construction and raising of machine holes at kurinji 1st street in ward 17

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

Construction of manholes at various depths to invert including earthwork excavation as per SS 20B, 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, benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc. complete for the following sizes for each manhole (As per the type design drawing for manholes). Upto 1.00 m

Upto 1.50 m

Raising the existing circular man hole in heavy type including the removing the existing man hole cover with frame and dismantling the existing the cement concrete wall and tar road surface around the manholes using for raising the manhole with 1:2:4 (25 mm height 30cm height) including centering inside the manhole laying 15cm thick cement concrete 1:2:4(one cement two sand four aggregates) with 20mm granite chips for finishing the top surface of manhole etc., complete

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

Supply of PVC Pipes and Specials as per IS Specification 200 mm PVC

Refilling the trenches with excavated earth in layars of 25cm , thick well rammed including watering consolidation etc, complete

Providing and laying, spreading and compacting graded stone aggregate to Wet Mix Macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

Fabricating supplying and fixing in position M.S Steel framed weldmesh grill using 35x 35x 6mm angle for outer frame with 25 x 5 mm flats stiffeners welded horizontally an vertically in both direction and using 3"x 1" and 6 x 10 Gauge weldmesh with necessary locking facilities and hinges including cost of red oxide primer.

Add GST 18%

A N KANNAN (BID ID -1199566)