Annual Maintenance and Repairs to water supply works HDPE,PVC,AC Pipe line bursts and alied works at Ward No. 3,4 in Tambaram City Municipal Corporation Zone No.1

Amount

Replacement of Underground Utilities (HDPE Pipes) damaged during Earthwork excavations for pipe laying works including cost of additional earthwork excavation in all soils, including JCB , Jointing Specials , DI double flanged pipes/ HDPE pipes and specials with rubber insertion to the required specification with M.S bolt and nuts BT cutting, CC roads , removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of HDPE pipes, couplers, jointing materials and required specials, cutting, threading, conveying ,laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.

110mm Dia Pipe

160mm Dia Pipe

200mm Dia Pipe

Removing the burst PVC/ AC 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.

90mm Dia PVC Pipe

110mm Dia PVC Pipe

140mm Dia PVC Pipe

160mm Dia PVC Pipe

Maintenance and repairs the existing CI Sluuice 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

80mm dia CI Sluice Valve

100mm dia CI Sluice Valve

150mm dia CI Sluice Valve

200mm dia CI Sluice Valve

250mm dia CI Sluice Valve

Attending the repairs to the public fountain in various places of municipal limit including cost and conveyance of material and labour charges for earth work excavation, replaced rust GI pipe and providing new GI Pipe and specials to making the original condition etc., as per directed by department officers

Major Repair

Minor Repair

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

G. Suresh (BID ID -1469816)