Replacing Old Drainage Main to New Drainage Main in APT East 2nd Street and Constrction Of Manhole and Raising Various Places in Ward No 87

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 cum

Supply of PVC pipes & Specials 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 cum 200 mm PVC Pipe 6kgs

200 mm PVC Coupler

Lowering of rigid pipe and specials to trenches and laying to proper grade and alignment, jointing with PVC couplers with cement paste etc, complete.

Refilling the trenches with excavated earth in layars of 25cm , thick well rammed including watering consolidation 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 , stock brick work in CM 1:3 , for 23cm wall and plastering interior with CM 1:3 , 20mm tk and exterior with CM 1:3 using 12mm tk laying plain cement concrete 1:3:6, using 12mm tk jelly fixing to frame , providing CI steps , manhole cover benching and channelling including refilling the trenches with quarry dust etc, complete 1m depth Manhole 1.00 m depth Of Manhole

2.50 m depth Of Manhole

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

Supply and fixing of FRC Door frame cover with frame etc

Add GST 18%

C SATHIYASEELAN (BID ID -1210328)