SPECIAL REPAIR FOR REPLACEMENT TO BER PUMP OF JACK WELL NO 1 AT MEGHADRI GEDDA AND SEWAGE PUMP AT NAUSENA BAGH UNDER GE (U-II) VISAKHAPATNAM

Dismantling of existing electric/ diesel driven pump set from its installed position, including disconnection of electrical wiring, suction and delivery pipe connections, removal of foundation bolts, lifting, handling and transportation, and handing over the dismantled pump set to the MES store yard, complete all as specified and as directed by Engineer-in-Charge.

Supply, installation, testing, and commissioning of electric-driven vertical turbine pump with bronze impeller, TEFC IE2 Solid shaft NFLP IP55 Motor 30 HP, gland packing type sealing arrangement suitable for 3-phase, 415 V, 50 Hz motor, 30 m head, 48,000 GPH discharge, total suspension length approx 11 mtr, self water lubrication type pump, including ERW heavy duty column pipes, bowl assembly, shafting, thrust bearings, suction strainer, alignment, coupling, common MS base plate, foundation bolts, nuts and washers, alignment of pump and motor, grouting, vibration control arrangement, making all mechanical and electrical connections, complete with PCC foundation as per OEM recommendation shuttering if required, curing and finishing, complete with trial run, testing to full load conditions, and commissioning, complete all as specified and as directed.

Supply, installation, connecting, testing and commissioning of non clog sewage submersible pump set suitable for delivering 1560 - 180 LPM at 6 - 24 m total head, complete with CI casing, CI impeller, Carbon steel shaft with carbon silicon carbide mechanical sealing arrangement with lantern ring, and renewable wearing rings, designed for continuous operation; complete with suitably rated AC 3-phase, 415 V ±10%, 50 Hz TEFC copper wound squirrel-cage induction motor, IE2 efficiency, NFLP, IP68 protection, Class ‘F’ insulation, all standard fittings and accessories, and all materials, labour and incidental works required to complete the pump set in all respects in accordance with relevant IS/BS standards for sewage dewatering application including painting with PO red colour, complete all as specified and as directed.

Supply, installation, testing and commissioning of Direct-On-Line (DOL) starter suitable for 415 Volts, 3 Phase, 50 Hz AC supply, for pump motor up to 10 HP capacity, to be installed in existing LT panel, complete with all necessary accessories such as contactor, thermal overload relay, single phasing preventer (if required), control wiring, power and control cables of suitable size, cable glands, lugs, earthing connections, and mounting arrangements, including all interconnections for proper operation, complete all as specified and as directed.

Supply, laying in trenches or fixing on wall or passing through pipe or in cable ducts, XLPE insulated PVC screened , PVC bedded and PVC tape sheathed galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with stranded aluminium conductor of 3.5 core 50 sqmm size cable,complete all as specified and directed.

Supply and install in repair including testing and commissioning of LT panel indoor type totally enclosed with front and rear opening hinged doors and raised platform of suitable sizes weather dust vermin proof made out of 2.0 mm thick CRCA sheet, factory made powder coated as approved colour, aluminum bus bar suitable for 3 phase 4 wire LT, AC, 50Hz, 433 volts, 250 Amps capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB , complete internal wiring with suitable size of PVC insulated copper conductor cable, including cable glands and lugs for incoming and out going cables as per required sizes, PCC platform made out of 1:2:4 type B1 and pedestal of 30 cm height from GL with suitable nut, bolts, washers to accomodate the following items including supply and fix following items, complete all as specified and directed :- (a) MCCB 125 Amps 4 pole 35 KA - adjustable type with extended terminal (incoming) -01 Nos (b) MCCB 100 Amps 4 pole 25 KA - adjustable type with extended terminal (outgoing) - 01 Nos (c) Star delta fully automatic starter 30 HP with in built contactor and over load relay, single phase preventor, start/stop push button - 01 Nos (d) MCB TPN 40 Amps 4 pole 16 KA - 2 Nos (e) Multifunctional meter (KWH, Voltage,Ampere and frequency)-02 set (f) RYB indicator lamp-02 set

Supply and fixing on wall or passing through pipe or in cable ducts connecting PVC insulated and PVC round sheathed copper conductor industrial cable of size 35 sqmm 3 core, 1100 Volt complete including taking down of old unsv cable, complete all as specified and directed.

Supply & laying MS ERW pipe of 150 mm dia heavy grade for inserting in position, making leak proof joints including fittings, welding and testing the pipe line for leakage, including painting with two coats of synthetic enamel paint over a coat of red oxide primer complete including taking down of old unsv existing pipe, complete all as specified and directed by Engineer-in-Charge.

Supply and fix in replacement of CI non return valve of 150 mm dia sizes with by pass arrangement and necessary rubber gasket, nuts, bolts, and washers etc, complete all as specified and directed .

Supply and fix in replacement of CI foot valve ball type of 150 mm dia heavy duty with necessary rubber gasket, bolts, nuts and washers, complete all specified and directed.