Providing, Installation, Testing and Commissioning of 7500GPH, 50 Mtr. Head submersible pump for Wussan Tube well Scheme of MISD Pattan.

Amount

Providing, Installation, Testing & Commissioning of Submersible Pumping Equipment Suitable for 250mm dia bore well with following specifications:- PUMP:- Make = KSB/Kirloskar Discharge = 7500 GPH Head = 50 M Speed = 2900 Rpm Efficiency of pump not less than 55% MATERIAL OF CONSTRUCTION: Bearing Sleeve = Bronze Casing wearing ring = Bronze Discharge casing = Iron grade FG 200 of IS : 210 – 1978 Impeller = Bronze/Stainless Steel/Chrome Steel Pump Bowl = Iron grade FG 200 of IS : 1978 Suction Casing = Iron grade FG 200 of IS:1978 Shaft = Steel Besides the pump should be capable for hydro static test on all pressure containing parts for 1.5 times the maximum discharge pressure. The pump bowl shall be equipped with replaceable casing bearing and the bowl plate shall be provided with name plate giving following details / Information. a. Name of the manufacture or trade mark b. Serial No of the pump set. c. Pump type. d. No. Of stages. e. Total head & discharge. SUCTION CASE WITH STRAINER: The opening in the suction case for the entrance of the liquid shall be of proper size and shape to avoid eddy currents. Suction case be fitted with a strainer made of corrosion – resistant material. Suitable sand guard shall be provided just above the suction case bearing to prevent the entry of the foreign matter into the suction case. MOTOR:- Make = KSB/Kirloskar Rating = Motor rating corresponding to discharge.(not less than 12.5 hp) Method of starting = Star – Delta. Speed = 2900RPM (Syn). Voltage = 415 + 15 % Class of insulation = Suitable for above rating. Efficiency of motor not less than 90% The submersible motor shall be squirrel cage induction motor and the windings shall be wet type. The motor shall be suitable for operation on voltage and frequency conforming to IS : 585 – 1962 (with latest amendments). The thrust bearing of the motor shall be of adequate size to with stand the weight of all rotating parts as well as the imposed hydraulic thrust and lubricated suitably. The motor windings and bearing bushes of the rotary shaft shall be cooled / lubricated by water. The motor shall have protection by means of cable glands, rubber seals etc from ingress of bore well water, sand and other foreign material. The thrust bearing housing shall be provided with a drain plug to empty the oil / pure water filled into the thrust bearing housing / motor. The motor shall also be provided with breathing attachment like bellows, diaphragm etc to compensate the volumetric variations due to changes in the temperature. The motor shall be made of corrosion resisting materials to resist corrosion under normal conditions and the motor shall have a name plate giving following information:- • Name of manufacturer • Manufactures number and frame • Type of duty • Frequency in Hz. • Number of phases • Rated output in KW/HP • Rated voltage and including connections. • Approximate current in Ampere at rated output • Speed in revolutions per minute at rated output. The pumping unit shall have to be provided with allied accessories / attachment viz M.S strengthening clamp, pump motor coupling. The job includes P/F of G.I. Nipples 2’ long having one side threaded and the other side fitted with 12 mm thick M.S. Flange by way of welding in double layers. The flange so fitted shall have suitable dia. of holes for accommodating bolts etc. The nipple is to be fitted with submersible pumping unit as per site requirement. The Submersible pump motor shall be provided with manufactucter’s test certificate

M/s Sopore Engineering Works

M/S EURO LIGHT ENTERPRISES