Providing of 200mm dia DWSC UGD pipeline with construction of manhole at KK nagar east west street in ward 33

Earthwork excavating and depositing on bank with an initial lead of 10metres and initial lift of 2 metres in Hard stiff clay, stiff black cotton, Hard red earth, shales, murram, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil etc., complete.,

Construction of manhole at various depth to invert including earth work excavation as per SS 20B laying cement concrete 1:3:6 , using 40mm jelly for foundation , sinking well kerp below GL for 4.50m depth and above pumping ,timbering charges for 2.50m depth and stock brick work in CM 1:3 , for 23cm wall and plastering interior with CM 1:3 , 12mm tk laying plain cement concrete 1:3:6, using 12 to 20mm jelly fixing to frame , providing CI steps , manhole refilling the trenches with quarry dust etc, complete for the follow size for earth manhole 1.0 M DEPTH

Supply of 200mm dia DWSC rigid pipes

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. TWAD P.N 171 24-25 200mm

Refilling the trenches with suitable excavated earth available along the allignment after the pipes &specials are laid joimted &tested in layers &watering ramming &consolidation directed by the engineer in charge (madurai corpration) 24-25

Supply of FRC Manhole 600mm 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 dismanting the existing the coment concrete wall and tar road surface around the manholes using 1:2:4 20mm jelly for raising the existing the manhole wall and using CC 1:2:4 with 20mm chips for finishing the top surface of manhole etc., complete.

Add GST 18%