Construction of Manhole at Providing SWD Precast slab arrangements At old LIG colony in ward no. 33

Amount

Construction of manholes using sulphate resistant cement 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). - 2.00m Depth Manhole

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth (SS20B) - Supply and delivery and fixing of PVC Pipe and Specials as per IS Specification

160mm PVC Pipe (6KSC)

110mm PVC Pipe (6KSC)

110mm PVC Coupler

110mm PVC Elbow

110mm PVC Bend

PVC Adhesive (Solution) - 100 Gram

Conveying of PVC Pipes and Specials from work spot and lowering into trench and laying to preper alignment etc., complete.

Refilling the trenches with excavated earth in layars of 15cm , thick well rammed consolidated including watering complying with standed etc.,complete.

Construction of inspection chambers of following sizes with earth work excavation for foundation with Dust Filling 10mm thick and Plain cement concrete bed in C.M. 1:5:10 using 40mm HBG jelly 10mm thick for foundation, 23cm thick brick wall work in C.M. 1:5 for chambers, Inner and Outer Plastering with C.M. 1:3 12mm thick, benching, channelling, 75mm thick RCC loose slab covering in C.M. 1:2:4 mix using 20mm blue granite jelly including necessary reinforcement, 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 cement concrete wall and tar road surface around the manholes using 1:2:4 20mm jally 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.

Manufacturing and fixing in position RCC precast slab in C.C. 1:1.5:3, using 20mm HBGS machine crushed jelly of following thickness, excluding cost of reinforcement grill but including moulding, finishing, curing and fixing in position etc.Complete. (100mm Thick)

Supplying fabricating and placing in position of MS grills for reinforcement rate inc. the cost of steel for all works (the rate to include cost of binding wire also) .Below 16mm Dia

Re Fixing of Existing Removed Paver block M40 grade 80mm thick & 60mm thick in uniform shape of approved make to be laid in flurring bone pattern with stone dust cushion below the uniform shap of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, stone dust cushion 150mm thick laying out of pavement cut the pieces to fix the edge vibring the pavers,sweeping tranporting loading unloading of laying paver block as per standard specification

Add GST 18%

N NALLATHAMBI (BID ID -1240132)