Water Supply

Amount

Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24).

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmentalofficers( hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with small sized boulders and hard gravelly soil)

Supply and delivery the following PVC / GI pipes and specials including cost and conveyance of materials to site etc complete.

90mm PVC Pipe 4 kg / cm2

80mm GI Pipe B Class

90MM PVC Bend

90MM PVC Tee

80 mm CI Sluice valve

Lowering of PVC pipes and specials in to the trenches carefully laying to proper grade and alignment jointing with AC,PVC, couplers with simplex joints and testing to the required pressure etc, complete and as directed by officers P.V.C./GI Pipes

90mm PVC Pipe 4 kg / cm2

80mm GI Pipe B Class

Refilling the excavated earth to the pipe laying trenches complying with standard specification.

Plain Cement Concrete 1:4:8 mix (One Part of Cement, Four part of Fine Aggregate and Eight part of Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers(TNBP No.28).

Brick Work in CM 1:5 (One Cement & Five Fine Aggregate) mix using country bricks of size 8-3/4" x 4-1/4" x 2-3/4" size including cost and conveyance of materials to work site and including all labour charges for mixing, laying, curing the concrete etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:31

Supplying, fabricating and placing in position mild steel or TMT rods for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complying with standard specifications and as directed by the deparmental engineers. TNBP No:30

Reinforced cement concrete 1:1.5:3(One cement, One and Half Sand & Three coarse aggregate) using hard machine crushed granite broken stone jelly 20 mm size excluding cost of reinforcement grills, in position but moulding, finishing curing and fixing in position as directed by the departmental officers complete complying with standard specification. SS 30 and Special.

Plastering with cement mortar 1:5(One Cement and Five Sand) 12 mm thick complying with water proof compounded with standard specification.

A MOHAN