Providing Rain water Disposal line arrangements at Karumbalai Corporation colony over flow pipeline arrangements at Karumbalai middle street and plumbing work arrangements at Karumbalai toilet in ward 31

Amount

Dismantling plain cement concrete etc Complete

Earthwork excavating and depositing on bank with an initial lead of 10 metres 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 SS 20A

Supply and delivery and fixing of GI Pipe and Specials as per IS Specification 110mm PVC Pipe

110mm PVC Pipe

110mm PVC Elbow

110mm PVC Bend

Lowering PVC pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

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 (75mm x 75mm x 75mm)

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). 1.50m Depth 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 manehole raising the manhole with cement concrete 1:2:4 ( One Cement Two sand and Four aggregates) 25cm height including cenering inside the manhole raising laying 15cm thick cement concrete 1:2:4 with 20mm granite chips including finishing the top surface of manhole alround etc. complete.

Supplying laying jointing and testing 200mm dia SW pipe SW Pipe including earthwork excavation for trenchers in hard stiffblack cotton,hard red earth, shales,murams,gravel,stoney earth and mixed with small size boulders and hard gravelly soil,deposting the earth on banks with initial lead of 10m lowering the pipes into the trenches,aligning,refillinf the trenches with exvated eart in layers of not more than 23cm thick watering,ramming to consolidation and trenches with exvated eart in layersof not more than 23cm thick watering, ramming toconsolidation and disposal of surplus earth etc. complete at an average depth of 1.00m,1.50m,2.00m,2.50m

Add GST 18%

C DURAIRAJ