GE/ALP (8738) KOLKATA OF 2026-27

Supply, installation, testing and commissioning of AC, 3 phase, 50 Hz, 200 KVA, level 3, capacity transformer step down, indoor type 6.6/0.433 KV (at no load) copper wound, oil immersed, naturally cooled with external cooling tubes, core type, delta connected on primary (HV) side and star connected on secondary (LV) side in accordance with vector symbol DYN-11 (vector ground-4) with neutral brought on secondary (LV) side & having tapping in equal steps of 2.5 % from (+) 5 % to (-) 7.5 on primary side by means of hand operated off load tap changing gear, so as to change/ correct LT voltage on secondary side conforming to IS 1180 Part-I 2014 including provision of all necessary standard fittings and provison of foundation as required complete all as specified and directed and comprising of the following :- (a) Primary HT side having HT porcelain bushing 03 Nos with brass gun metal bushing rods with nuts washers. (b) One cable box secondary (LT) side consisting of 04 Nos porcelain bushing with GM bushing rods with GM nuts and washers with one number of cable gland suitable for reception of outgoing LT PVC sheathed armoured cables of size 95 sqmm 3.5 core. (c) Oil conservator with filter type, drain valve and oil level gauge. (d) Dehydrating breather with first fill of dehydranting agent. (e) Explosive vents. (f) Thermometer pocket on tank cover. (g) One No 100 mm dia dial type thermometer vapour pressure type having range 0-120 degree centrigrade with temp reading pointer, max temp indicator and resetting device.

BoQ Serial Item No.1.00 Contd/- (h) Rating plate with terminal markings. (j) Two earthing teminals on tank/ tank cover to facilitate fixing of 32 x 6 mm GI/ Copper earth strip. (k) Oil level gauge. (l) Oil drain and filter valves. (m) Lifting lugs - 01 sets. (n) Under carriage with 04 Nos of plain rollers. (o) First fill of transformer oil and results of transformer insulation oil minimum upto 45 KV with 2.5 mm gap. Note :- The rate quoted is deemed to include for rail section and channel embedded in foundation of suitable size necessary excavation / earthwork/ PCC platform of 3 mtr x 2 mtr x 0.5 mtr size. Make: Voltamp, Schiender, Siemens, Alstom, ABB, Bharat Bijlee, Indian Transformers & Electricals Pvt Ltd.

Supply, installation, testing and commissioning of type LT Feeder piller box Indoor type made out of 2.00 mm thick CRCA sheet suitable for 440 Volts, 3 phase, 4 wire, 50 cycle per second , AC supply comprising of capacity 600 Amp (4 strip) aluminium bus bar for phase and neutral mounted on post insulators, CPRI Approved, totally enclosed weather dust and vermin proof as per IS, including connecting incoming and outgoing cables necessary made out of 50 x 50 x 6 mm angle iron grouted at floor above 45 cm from ground level Comprising the following including taking down old unserviceble feeder piller box and deposited to MES store complete all as specified and as directed:- Incoming:- (i) incomming MCCB, FP, 415 V, 36kA, 400 Amp -01 No Outgoing:- (i) MCCB FP , 415 V, 25kA, 160 Amps -03 Nos (ii) MCCB FP , 415 V, 25kA, 100 Amps -02 Nos (iii) MCCB FP , 415 V, 25kA, 63 Amps -02 Nos (iv) MCCB FP, 415 V, 25kA, 100 Amps - 01 ( 01x Spare) (v) MCB SPN, 220 V,40- 63 Amp - 01 (street Light) (vi) Voltmeter (0-500) volt with selector switch -01 No (vii) Ammeter with with CTs (0-500) Amps with selector switch -01 No (viii) Indicator lamp-01 set of three ix) Multi function meter 01 Nos CT as per incoming rating . Note: Quoted rate is deemed to include for necessary internal copper wiring for meters, CTs, indication lamps, etc and rigid bus bar connections from bus bar to MCCB terminals connection Bus to MCCB/MCB connections.

Supply, installation, testing and commissioning of factory built MUG type automatic Star-Delta starter panel with inbuilt power factor improvement capacitor suitable for 15 HP, 415V, 3-phase, 50Hz submersible pump motor, fabricated out of 16 SWG CRCA sheet steel, dust and vermin proof, wall/floor mounted, powder coated enclosure with hinged door, locking arrangement, removable gland plate, earthing studs and danger notice plate, complete with internal copper control wiring, ferruling and identification, comprising of following components:- Power & Control Components (i) 63A TPN MCCB incomer, 10 kA breaking capacity (ii) Main Contactor 32A AC-3 duty (iii) Star Contactor 25A AC-3 duty (iv) Delta Contactor 25A AC-3 duty (v)Thermal Overload Relay adjustable 18–25 Amp (vi) Star-Delta timer (0–30 sec adjustable) (vii) Single phasing preventer with phase sequence protection (viii) Under voltage & over voltage protection relay (ix) Dry run protection relay suitable for borewell/submersible motor (x) Control MCB 6A SP (xi) R-Y-B phase indicating LED lamps and run indication lamp (xii) Start (green) and Stop (red) push buttons (xiii) Ammeter 0–30A with CT (30/5A) (xiv) Voltmeter 0–500V with selector switch (xv) Copper busbars with heat-shrink sleeves, wiring, thimbles, cable glands and hardware

Supply Install ,Testing and commissioning of 11Kv HT 3 Phase 50 Hz,indoor type,totally enclosed metal clad switchgear complete with Vacuum Circuit Breaker panel 01 Nos (For outgoing Feeder) with breaking mechanism,Motorized charging facility having rupturing capacity 250MVA and rating 400 Amps,Overload and earthfault protection Ammeter,Voltmeter Complete and including Carrying out necessary modification in existing trenches/Ducts for fixing the breaker making arrangements for connecting the breaker with existing breaker including provision of adaptor panel to connected with existing VCBs as required at site complete all as specified and directed:- (i) Vacuum Circuit Breaker Trolley Mounted draw out type 630 Amps electrolytic Copper bus bar, (ii) Breaker Control Switch,Indicating Lamps (Breaker ON,OFF,RYB Incomer RYB Outgoing Breaker, Trip Breaker, Close spring Charge etc) (iii) AC/DC Control Switch (iv) Emergency trip PB with Mushroom Type red head (v) Anti Pumping Auxillary Relay CRM TripCircuit Healthy Check Push Button (vii) Local Remote Slector Switch (viii) Ammeter + ASS selector Switch (ix) Voltmeter with selector Switch (x) Relays : (a) Master Trip Relay (b) Auxillary Relay (c) Trip Circuit Supervision relay (d) Auxillary Relay trip protection

BoQ Serial Item No.4.00 Contd/- (xi) Numerical IDMT O/C + E/F relay -01 Nos (xii) KWH Meter - 01 Nos (xiii) Auxillary Contactors (xiv) Annunciator (xv) Insulating Mat of size 2x1 Mtr class B 2.5mm thick as per latest IS standards. (xvi) Cast resin insulated CT 50/25/5 Amps Class 15 VA Burden 5P 10-01 Set (xvii) Cast Resin insulated PT 11 KV/1.732/110V/1.732 with 100 VA burden rating with HT Fuse at secondary & Primary - 01 Set (xviii) Thermostat controlled cubical space panel Heater with thermostat -1 Set (xix) Panel illumination lamp with switch (xx) Breaker Racking handle (xxi) Breaker Handling trolley as per manufacturer innstruction as approved. (xxii) Necessary provision to terminate incoming and outgoing cables (xxii) Motorised breaker charging facility with back up battery power pack of suitable capacity as per manufacturer design. (xxiv) Necessary base frame for foundation and danger notice plate. Make: ABB, Areva, Siemens, Schiender, BHEL, Andrew Yole, Indian Transformers & Electricals, C-Sec

Supply, laying & testing cable HT XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95sq mm complete all as specified and as directed.

Supply, laying and testing cable LT XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq mm 3.5 core complete all as specified and as directed.

Supply, laying and testing cable LT XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core complete all as specified and as directed.

Supply, laying and testing cable LT XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core complete all as specified and as directed.