Laying of UGSS Pipe Line at Purushothamman Nagar 4th Cross street in Ward No.36

Amount

Supply and Delivery of 200mm PVC pipes for 10KSc as per is 4985/2000 with ISI marking etc complete as per Standard specifications

Cutting the B.T Road surface including cost of all labour charges etc completed.(TWAD Board Rates 2022-23)

Earth work excavation and depositing on bank initial lead of 1.00mand lift of 2m in narrow trenches for laying of pipes for water supply in the following type of soils of sand,silt or othe loose soil ,wey sand or silt not under water light black cotton soil ,sandy loam and ordinary soil etc complete as per standard specification.

Supplying and filling the foundation and basement with stone dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Construction of Machineholes using sulphate resistant cement at various depths to invert including earth work excavationas per SS20B, laying cement concrete in C.M.1:3:6 using Crushed stones and (Msand) and 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 thickwall,plastering interior with C.M.1:3,20mm thick and exterior with C.M.1:3,12mm thick,laying plain cement concrete1:3:6 using 12.0mm to 20mm B.G.jelly fixing the frame,providing C.I.steps,machine hole 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 machinehole (As per the type design drawing for machinehole)

Lowering PVC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplurs with cement paste including cost and convence of labour charges ect., complete

Refilling with excavated earth other than sand with an initial head load of 10 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

MURUGAN & CO (BID ID -1122003)