Flushing of 3 Nos. of bore well at Thirunanthikarai market, Thirunanthikarai junction and Thirparappu Therppakadavu in Thirparappu Town Panchayat.

Erection of power pumps in borewell labour charges for erection of twin packer duplex type jet pumps in borewells upto 150 mm dia including fixing of Suction pipe regulating valves with jet assembly upto a maximum depth of 30 m and delivery pipe valves pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three indicator lamps capacitor and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumps and trail run for 10 days including signing of completion of reports as required by EB authorities and finishing the pipe holes including the foundation bolts, nuts and earth pits (Above 3 HP upto 7.5 HP) WD-W0869

Supply and delivery of 50 mm GM gate valve (WD-M0618)

Rate for flushing of borewell of 6” dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by ‘V’ notch method if required 600 Cfm (100/150 PSI) (WD-W0896)