Development of wells of 3 nos DTW scheme at Sonaimuri, Rajkandi and Ambedkarnagar under Kumarghat Block during the year 2025 26 SH Providing and lowering of housing pipe and washing and development of tube by using air compressor.

Providing and lowering of ERW pipe conforming to IS:3589-2001 (with latest revision) with drilling Rig including painting with anti-corrosive bitumastic paints, fixing of M.S ring, weilding of all joints etc. complete after washing of the bore hole as per specification [(IS:2008)(part-I)] and direction of the Engineer-in-charge i) 300 mm dia ERW housing pipes.

Washing and development of tube by using air compressor and testing of well as per specification (IS:11189) and specification of the Engineer-in-charge. A. with contractors air compressor upto 200 mtr. Pipe assembly i0 Using air compressor of 300-400 output of DTW

Labour charge for lifting of 5000 to 20000 GPH water lubricated verticle submersible pump with motor including column assembly up to 100 ft with heavey duty chainpully and block asper direction of the Engineer in charge. Complete lowering.

Labour charge for lowreing and fitting fixing of 5000 to 20000 GPH water lubricated verticle submersible pump with motor including column assembly up to 100 ft with heavey duty chainpully and block and making necessary electrical connection with main switch/starter with motor in/c trial run for 10 hrs in two spell complete as per direction of the Engineer in charge.

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