SPECIAL REPAIR OF OLD VINTAGE PUMP AND MOTOR AGAINST BER AT RAJOURI UNDER AGE EM OF GE 862 EWS

Supply, Installation, testing and commissioning of centrifugal pumpset, multistage, heavy duty having discharge 6000 GPH at 180 mtr head with bronze impeller, 1475 RPM coupled with suitable capacity TEFC squirrel cage induction motor 3 phase , 415 volts, 50 Hz of capacity not less than 40 HP, complete with base frame, coupling, guard, mechanical seal, and all standard accessories and making connections with existing suction and delivery pipeline and electric connections with suitable size copper cable from starter to motor and modification of PCC foundation with chasis, complete with nuts bolts & including dismantling of old existing pump set and deposit in MES store yard, complete all as specified and directed.

Supply, installation, testing and commissioning of 3-phase, 415 volts ±10%, 50 Hz, squirrel cage induction motor of 50 HP (37 kW) capacity having rated speed of 1475 RPM suitable for continuous duty (S1), conforming to relevant IS/IEC standards, with Class ‘F’ insulation with temperature rise limited to Class ‘B’, TEFC enclosure, IP-55 protection, complete with all accessories such as terminal box, cable glands, earthing terminals, to be mounted on existing base frame and including dismantling of old existing motor and deposit in MES Store yard. The motor shall be of high efficiency (IE2/IE3 class), suitable for operation under ambient temperature up to 50°C, properly aligned and coupled with existing pump. The item includes the cost of making necessary electrical connections from starter to motor with suitable size copper conductor cable, complete all as specified and directed.

Supply,Installation,commisioning and testing of submersible pump set with discharge 2000 GPH at 25 meters head with bronze impeller, Cl diffuser, EN-8 shaft, stainless steel strainer coupled with suitable capacity of electric motor designed for working on 415 V, 3 phase, 50 Hz, 2900 RPM, minimum 3 star rated, filled with oil for effective cooling and lifelong lubrication of heavy duty bal! bearing and mechanical seal complete with fully automatic star delta starter of suitable capacity with & including protections against over load, single phase, phase sequence reversal and making connecctions with suitable size submersible copper cable, PVC insulated unsheathed with standard copper conductor 1100 V grade flat 3 core & including dismantling of old existing submersible pump set and deposited in MES Store Yard, complete all as specified and directed.

Supply, Installation, testing and commissioning of centrifugal pumpset, multistage, heavy duty having discharge 31680 GPH at 136 mtr head with bronze impeller, 1475 RPM coupled with suitable capacity TEFC squirrel cage induction motor 3 phase , 415 volts, 50 Hz of capacity not less than 150 HP complete with base frame, coupling, guard, mechanical seal, and all standard accessories and making connections with existing suction and delivery pipeline and electric connections & including dismantling of old existing centrifugal pump set and deposited in MES Store yard, complete all as specified and directed.

Supply, Installation, testing and commissioning of centrifugal pumpset, multistage, heavy duty having discharge 3200 GPH at 120 mtr head with bronze impeller, 1475 RPM coupled with suitable capacity TEFC squirrel cage induction motor 3 phase , 415 volts, 50 Hz of capacity not less than 15 HP, complete with base frame, coupling, guard, mechanical seal, and all standard accessories and making connections with existing suction and delivery pipeline and electric connections with suitable size copper cable from starter to motor and modification of PCC foundation with chasis complete with nuts bolts & including dismantling of existing centrifugal pump set and deposit in MES store yard, complete all as specified and directed.

Supply, installation, testing and commissioning of (outdoor type), oil cooled servo controlled automatic voltage stabilizer of capacity 100 KVA, three phase, suitable for input voltage variation from 300V to 470V and maintaining output voltage at 415V ±1%, complete with copper wound variable transformer, buck-boost transformer, carbon brush assembly, servo motor, control circuit, and digital control system & including dismantling of old existing stabilizer & deposit in MES store yard.The stabilizer shall be provided with microprocessor/digital controller, LED/LCD display for input/output voltage, current, and fault indication, and shall have automatic voltage correction with high efficiency (minimum 95%).The unit shall be complete with the following protections and features:- (i) Over voltage protection, Under voltage protection, Overload protection, Short circuit protection ,Single phasing protection, Phase sequence correction ,Time delay relay ,Surge protection (as required) . (ii) The stabilizer shall be mounted on suitable MS base frame, duly painted with anti-corrosive paint, and installed on PCC foundation. (iii) The stabilizer shall conform to relevant IS standards (IS 9815 / IS 14000 or latest, complete all as specified and directed.

Supply, installation, testing and commissioning of (outdoor type), oil cooled servo controlled automatic voltage stabilizer of capacity 250 KVA, three phase, suitable for input voltage variation from 300V to 470V and maintaining output voltage at 415V ±1%, complete with copper wound variable transformer, buck-boost transformer, carbon brush assembly, servo motor, control circuit, and digital control system & including dismantling of old eixsting stabilizer & deposited in MES store yard. The stabilizer shall be provided with microprocessor/digital controller, LED/LCD display for input/output voltage, current, and fault indication, and shall have automatic voltage correction with high efficiency (minimum 95%).The unit shall be complete with the following protections and features:- (i) Over voltage protection ,Under voltage protection, Overload protection, Short circuit protection ,Single phasing protection, Phase sequence correction,Time delay relay, Surge protection. (ii) The stabilizer shall be mounted on suitable MS base frame, duly painted with anti-corrosive paint, and installed on foundation with vibration pads. (iii) The stabilizer shall conform to relevant IS standards (IS 9815 / IS 14000 or latest, complete all as specified and directed.

Supply, installation, testing and commissioning of indoor type oil cooled servo controlled automatic voltage stabilizer of capacity 10 KVA, three phase, suitable for input voltage variation 300V to 470V and maintaining output voltage at 415V ±1%, complete with copper wound variable transformer, buck-boost transformer, carbon brush assembly, servo motor and electronic control circuit & including dismantling of old existing stabilizer & deposit in MES Store yard. The stabilizer shall be provided with microprocessor/digital controller, with LED/LCD display for input/output voltage, current and fault indications, ensuring automatic voltage correction with high efficiency (minimum 95%).The unit shall be complete with the following protections:- (i) Over voltage protection ,Under voltage protection ,Overload protection ,Short circuit protection, Time delay relay, Surge protection. (ii) The stabilizer shall be mounted on suitable MS enclosure / cabinet, duly powder coated, complete with ventilation arrangement. (iii) The stabilizer shall conform to relevant IS standards (IS 9815 / IS 14000 or latest, complete all as specified and directed.

M&L for 16 Sqmm, 3 core submersible copper conductor multistranded cable, LT 1100volt grade,water proof lowering with the column pipe into the bore/ well and testing complete after taking down old unserviceable cable, complete all as specified and directed.

Supplying, installing, testing & commissioning of fully automatic star-delta starter suitable for 50 HP, 415 V, 3 phase, 50 Hz AC motor, complete with all accessories, comprising of :- (i) Sheet steel, dust & vermin proof, floor/wall mounted enclosure (powder coated) with IP-42 / IP-54 protection ,3 Nos. (ii) Power contactors (Main, Star & Delta) with mechanical & electrical interlocking, Thermal overload relay of suitable range for 50 HP motor, Electronic/adjustable timer for automatic star-delta transition, Single phasing preventer / phase failure relay, Incoming TPN MCCB/isolator of suitable rating with HRC fuses (if required), Control circuit with push buttons (Start/Stop), selector switch (Auto/Manual/Off), Indicating lamps for R-Y-B phases, ON, OFF, TRIP, Suitable copper busbars, internal wiring, earthing terminals, glands & lugs, Provision for local/remote operation including dismantling of old existing starter and deposited in MES Store yard, complete all as specified and directed.