Borewell & Tubewell Works Tenders

Survey work dry/ low yield tube well hydro fracturing of tube well for detection of fracture zones in tube well by using the hole camera with monitor including transportation and providing C.D. & photographs. USOR I.No. 24.4 P.No.255

Sinking of Borewell in the Premises of Fiscal Policy Institute Kengeri Bengalore

Supply and delivery of 75lpmx125m head clear water vertical wet type submersible pump suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws nd CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continuos rated two pole suitable wet type vertical squirrel cage induction motor as perIS9283 /1995 and as amended thereafter, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.