Annual Maintenance and Repairs to water supply works DI Pipe line bursts and alied works at Ward No. 5 6 7 8 10 11 and 12 in Tambaram City Municipal Corporation Zone -1

Amount

Removing the burst DI pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipeline with sound pipe including jointing and cost of refilling the pipeline with water for retesting the pipe line etc complete. (including cost of sound pipe and jointing materials and earth work) and as directed by the Corporation Officers.

100mm dia DI Pipes

150mm dia DI Pipes

200mm dia DI Pipes

250mm dia DI Pipes

350mm dia DI Pipes

400mm dia DI Pipes

Maintenance and repairs the existing CI Sluice valve in various places for Municpal limit including cost of earth work excavation, gland rope with necessary bolts and nuts fixing including cost and conveyance of all materials and labour charges etc., complete as directed by the departmental officers

100mm dia CI Sluice Valve

150mm dia CI Sluice Valve

200mm dia CI Sluice Valve

250mm dia CI Sluice Valve

350mm dia CI Sluice Valve

400mm dia CI Sluice Vale

Replacement of Underground Utilities (AC Pipe) damaged during Earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting , removal of slushy soil and replacing the pipeline with sound DI s/s pipe, including supply and delivery of DI s/s pipes, D/S collars, jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.

200mm Dia

250mm Dia

300mm Dia

Providing water supply house service connection in BT(or) CC Roads from distribution main into houses up to 6M length ie, supply and fixing of following pipe and required materials including cost and conveyance of all materials to work site, all labour charges, incidental charges, road cutting charges, refilling the trench with excavated earth and compacting as directed by the departmental officers.etc complete as per standard specifications. i) PVC pipe 15mm dia or PE 80 PN 16 Blue or White pipe as per ISO183 IS make ISI Quality as per ISO 4427 – 6Rm ii) 20 mm size PVC Ferrule -1No iii) suitable PVC Saddle piece (or) MS saddle -1 No iv) 20 mm stop cock – 1No

Kumaran Electricals (BID ID -1120317)