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providing ugd maintenance works in ward no 87- 1 dismantling the exisitng bt road 2 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 hardrockrequiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum 3 supply of 200 mm dia un plasticized pvc pipes as per is 4985 /2000.,10ksc 4 laying and jointing pvc slotted pipes in the inflitration gallery excluding cost of pipes but including chargesfor special tools and plants etc., complete such as aircompressor and helmet. 5 refilling the trenches with excavated earth in layars of 25cm , thick well rammed including watering consolidation etc, complete 6 construction of manholes using sulphate resistantce mentat various depth to invert including earthwork excavation as per ss20b, 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 brickwork 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, 12mmthick, 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 a manhole1.0m depth (mahatma gandhi 1st ) 7 1.50m depth (madapuram 2nd st) 8 2.00 m depth (ramakrishnaamman kovil near) 9 2.50 m depth (madapuram 2nd st) 10 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 manholeraising 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., 11 supply and fixing of frc door frame cover with frame etc 12 add gst 18%
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