Improvement, Replacement by way of Providing and Fitting of 10,000 GPH X 50 Mtrs. Head Submersible Pump set and Lt control Panel and Providing and fitting of 63KVA Voltage Stabilizer at Tubewell Station Mahi Chak B

Providing, Installation, testing & commissioning of submersible pump set (KSB / Kirloskar or equivalent make) at Tube well Mahi Chak- B having capacity 30 HP (10,000 GPH x 50m head) coupled with 3 phase submersible motor of suitable capacity along with motor protection guard (Mug-30 HP) of reputed make and along with existing 100mm Dia. flanged column pipes, and other allied materials/ equipment’s required during lowering of submersible pump set along with 10 sq. mm sub cable. The job includes providing and fitting of 100 mm Dia.column pipes 05 nos of 10feet each length with fabrication and fitting of flanges at both ends. The job includes extraction of old defunct pump set and pipes by using chain block / tripod stand and manual labour along with tools and tackles. The job includes shifting of column pipes to workshop, cutting of all rusted worn-out flanges from column pipes and removal of eccentricity of pipes if any. Providing / fitting of new flanges in place of rusted and deformed old flanges. The flanges should have a cut/slot for sub. Cable. Shifting of flanged column pipes to Tubewell. Fabrication, providing and fitting of 01 no U-shaped tie rod/clamp of suitable size as per pump size made out of MS Flat to be fitted with the submersible pump with the help of heavy-duty nuts and bolts welded on both sides of the clamp. Job also includes fabrication of 01 no graded expander/reducer for nipple of required size threaded at one end and flanged at other end. Fitting of reducer/expander with column pipe at one end with flanged joint and with the discharge outlet of the submersible pump at other end. Lowering of the submersible pump set 10,000 GPH x 50 m head by way of hoisting heavy duty chain pulley block of 5-ton capacity along with flanged column pipes as per the requirement one by one after tightening of each new nuts and bolts of the flanged joints to ensure leak proof connections. Providing and fitting of 10sq mm submersible cable 100 Mtrs. with proper insulation and thimbling. Making all the incoming and outgoing electrical connections to the mug-30hp starter. The job includes Providing & fitting of New Nuts and Bolts, flanges/ gaskets etc. The job also includes cost of material & labour charges, transportation, tool and tackles required for the execution of complete job.

Designing, fabrication, installation, testing and commissioning of LT Control cum protection panel 415 volts, AC 3 phase, 50 HZ suitable for submersible motor installed at Tube well Dug . The panel shall be enclosed cabin, dust free and vermin proof fabricated out of suitable SWG CR sheet Supported on MS angle. There should be a provision in the panel for fixing it on the ground / wall as per site requirement. The panel should be given two coats of anti rust primer followed by enamel paint. The panel must have equipped with following component/feature .1 )M.C.C.B. The panel should be fitted with and M.C.C.B. 100 Amp 01 no, voltage meter 01 no, ammeter 01 no along with a set of CTs, 1no Volt Selector Switch .and 1no Ampere Selector Switch and a set of RYB indicators at incoming side. 2 ) Star Delta Starter :The panel should be fitted with a fully automatic star delta starter comprises of 3no air break contactor of suitable capacity MNX (50-50-50 AMP, 2 no for main and delta supply ,1no air break contactor for star operation ) 1 no timer for change over the supply of motor from star to delta ,2 no push button for start and stop operation of motor ,3 no indicators for status of starter i.e. running, tripped, bypassed/inline of protection system, 1 no MCB 2 Amps for the protection of internal control wiring, a neat and clean internal control wiring should be made with flexible copper cables to complete the circuit outgoing supply . 3 )Protection device/Fault Analyzer: The panel should be fitted with the devices to protect the motor by isolating the power supply of motor by de-energizing the starter/panel form following fault which may otherwise damage the motor winding a) Voltage Related Fault: Single phasing, under voltage, Overvoltage, unbalanced b) voltage/reverse phasing. b) Current Related Fault: Over current/ load, dry running, unbalanced current/ load earth leakage short circuiting. c) Mechanical Fault: Locked rotor, broken shaft. 4) Bi-Metal Overload Relay: A bimetal overload relay of suitable range should be fitted within the panel as an extra safety to protect the motor in case of failure of fault analyzer with an isolation/bye pass switch to bye pass the faulty analyzer.

Providing , fitting, Installation , Testing and commissioning of 63 KVA LT Voltage Stabilizer for operation of pumping machinery at Tubewell Mahi Chak B. The stabilizer should be copper wound manually operated, oil cooled, 3 phase step up/step down voltage stabilizer of capacity 63 KVA conforming to IS 9815-81,IS 8447-77 capable of operating unbalanced input voltage range from 160 Volts to 460 Volts delivering an output voltage of 425V 5%, frequency 50 HZ 3% three phase AC supply. The body of the unit housing the transformer assembly with di-electric oil shall be fabricated out of CRCS sheet of suitable thickness reinforced/supported with suitable structural steel sections having dust and vermin proof face. The unit body should be sturdy enough for vibration free operation. The entire unit shall be wheel mounted for easy handling. The unit body should to be given two coats of antirust primer followed by two coats of steel grey enamel paint. The voltage stabilizer should be fitted with following accessories:-100Amp MCCB, Voltmeter 0-500 volts input and output range, 01 no Ampere meter with C.T. COIL 03 No, 06 no Indicator RYB input and output phase, 01 no Earth fault/Reverse phase relay and 01 no under volt and over volt relay, Bypass/changeover switch of 100Amp, 03 no Rotary switches of 100 ampere each for minimum 08 steps 01 for line voltage and 07 for step up voltage, Heavy duty terminal block for input and output connections. Job includes carriage of Voltage Stabilizer from workshop to site. Dragging the same from roadside to tubewell station manually. Placing of Voltage Stabilizer at proper position inside the tubewell station manually and with the help of necessary tools and tackles required for the execution of the job. Providing and fitting of suitable rating length of cable from main switch to voltage stabilizer. Connecting the voltage stabilizer with the incoming supply from electrical transformer with 35 sq.mm 3.5 core LT armoured conductor 30 mtrs approx. along with 200 Amps. Main Switch. All the electrical connections should be made after proper thimbling and end socketing of each cable end with proper thimbles of appropriate rating. Making electrical connections and testing the voltage stabilizer on full load. Replacement of HT/LT bushes, HT/LT bush rod along with nuts and bolts and gasket etc. Complete job includes cost of material, labour, transportation, tools and tackles required for the execution of the job. Providing and fitting of 35 sq. mm 3.5 core LT armored cable 40 mtrs approx. All the electrical connections should be made after proper thimbling and end socketing of each cable end with proper thimbles of appropriate rating. Providing /fitting 200 Ampere Main Switch at wall panel Board and making suitable connections. Providing and fitting of new Nuts and bolts. The job also includes cost of material, Transportation & labour charges and hire charges of tools and tackles required for the execution of the job at site. Job also includes providing and fitting of LA Set , Link Set along with complete earthing to the 63 KVA Electric sub station.(Compete Job) Complete job including cost of installation, material, consumables, transportation, handling, labour, testing and commissioning at site