GE/SRA/T-26/2025-26

Amount

Dismantling of existing unserviceable APFC Panel, any size after carefully disconnecting all existing electrical connection incl breaking of PCC foundation if any and removal from site complete all as specified and directed.

Supply, istallation, testing and commissioning of capacitor duty contractor controlled automatic power factor correction (APFC) panel, indoor type, fabricated in a CPRI approved factory, suitable for linear/non-linear type loads with self healing MPP type capacitors of 480 V rating & having minimum life of 150000 hours, capable of switching in different steps using on site programmable APFC relay, 3 phase, 440 volt operating voltage, 50 Hz of capacity 100 kVAR (in steps of 2 x 25 kVAR, 2 x 15 kVAR, 2 x 10 kVAR) with incoming microprocessor based MCCB and outgoing MCBs of suitable ratings, 440 V detuned reactors with 7% aluminium wound reactor etc. operated on auto/manual mode, capacitor on/off indication lamps, digital type ammeter, voltmeter, PF meter etc complete all as specified and directed. (NOTE: Cost of cable glands, lugs, PCC foundation, if required shall deemed to be included in the quoted rate. Schematic drawing of APFC panel with all accessories shall be got approved from Accepting Officer before procurement. Quoted rate shall deemed to include for suitable capacity accessories, even through specifically not mentioned in BOQ. No claim shall be admissible in this regard during currency of work.)

-ditto- as per Item No. 03 here-in-before but for APFC panel of capacity 100 to 200 KVAR

NOTES FOR ITEM NO 03 & 04 : - (a) Contractor will ensure that dismantling of defective capacitor units from the APFC panel is done only after properly discharging the left-over charge on capacitors to ensure safety of the working persons. (b) Quoted rates of the contractor shall include for electrical wiring for banking of capacitor units to form banks of suitable rating by electrical inter connection using aluminium bus bar with multi-strand cables with lugs, tapes etc. to form banks as per requirement of various capacitor stages. (c) Contactor will replace microprocessor based defective APFC relay with digital display of power factor and other parameters to sense power factor through control CT and give phased impulses to contactor coils for switching ON-OFF required number of capacitors as per requirement to achieve target power factor. (d) Fixing of all above components in the APFC panel with suitable fabrication work to accommodate new items in the existing feeders for alignment of components and ease of termination complete with hardware etc. as required at site. (e) After completion of work Contractor will carryout all the necessary testing for APFC Panel and will prepare respective reports with consent of JE -in -Charge with proper power factor on ground. (e) Unserviceable major spares/accessories of APFC panels shall be measured and paid separately under respective Items provided here-in-after. Quoted rates shall be deemed to be inclusive of the cost of other minor spares/accessories and consumables required for satisfactory completion of the job.

S&F Automatic Power Factor Controller Relay type 3 Phase/ 3 CTs, with inbuilt solid state automatic power factor correction arrangement, having microprocessor (intelligent) based control circuit & capacitor duty contactor power switching 8 Stage, having required capacity as per site requirement, connecting Single Phase and Three Phase Capacitors, compensation of each Phase, Measures A Power Factor, relay, microprocessor based to replace defective APFC relay with digital display of power factor and other parameters to sense power factor through control CT and give phased impulses to contactor coils for switching ON-OFF required number of capacitors as per requirement to achieve required power factor complete all as specified and directed.

S&F Self-healing Capacitor heavy duty Can (Cylindrical) type, 3 Phase 440 Volt, 50 Hz, complete all as specified and as directed for the following capacities :-

S&F Capacitor duty Contactor, 3 Phase 440 Volt, 50 Hz with Coil Voltage 440 Volt AC, complete all as specified and as directed for the following capacities :-

5 KVAR RATING

10 KVAR RATING

15 KVAR RATING

20 KVAR RATING

S&F Multi Function Meter with Voltage, Ampere, Frequency and Power Factor with RS- 485 with wiring required at site, complete all as specified and as directed.

S&F LED indication lamps of various colours with holders, for replacement of defective/burnt out lamps in existing panels complete all as specified and directed.

S&F Current Transformer, Resin Cast, Class 1 suitable for fixing in existing Panel Board, complete all as specified and as directed for the following capacities :-

S&F MCB Single Pole, 6 to 32 Amp, 240 Volt, AC, 'C' Series, 10 kA, 50 Hz including Connecting up and testing complete all as specified and directed

S&F MCB Single Pole & Neutral, 6 to 32 Amp, 240 Volt, AC, 'C' Series, 10 kA, 50 Hz including Connecting up and testing complete all as specified and directed

S&F MCB TP, 63 Amp, 415 Volt, AC, 'C' Series, 10 kA, 50 Hz including Connecting up and testing complete all as specified and as directed.

S&F Square type Ammeter Digital type (ranging from 0 to 400 Amps) complete all specified and as directed.

S&F Square type Voltmeter Digital type (ranging from 0 to 500 Volts) complete all specified and as directed.

S&F Voltmeter Analog type (ranging from 0 to 500 Amps) complete all specified and as directed.

S&F Digital multifunction meter (V,A,KW,KWH), 415V AC complete all specified and as directed.

S&F MCCB including all type of thimble, spreaders, adjustable thermal and fixed magnetic type, Ics=Icu=100% at 415 Volts, conforming to IS/IEC60647-2 complete all as specified and directed for the following capacities :-

63 Amp, 4 pole, 25 kA breaking capacity

100 Amp, 4 pole, 25 kA breaking capacity

160 Amp, 4 pole, 25 kA breaking capacity

200 Amp, 4 pole, 35/36 kA breaking capacity

250 Amp, 4 pole, 35/36 kA breaking capacity

320 Amp, 4 pole, 35/36 kA breaking capacity

400 Amp, 4 pole, 35/36 kA breaking capacity

630 Amp, 4 pole, 35/36 kA breaking capacity

S&F On Load Change Over Switch with sheet steel enclosure and side handle, suitable for 415 volts AC, conforming to IS 13947 (Part 3)-1993; IEC: 60947-3 complete all as specified and directed for the following capacities :-

4 pole, 100 Amps capacity

4 pole, 200 Amps capacity

4 pole, 320 Amps capacity

4 pole, 400 Amps capacity

4 pole, 630 Amps capacity

S&F On Load Change Over Switch, suitable for 415 volts AC, conforming to IS 13947 (Part 3)-1993; IEC: 60947-3, fixed in existing panels complete all as specified and directed for the following capacities :-

4 pole, 200 Amps capacity

4 pole, 320 Amps capacity

4 pole, 400 Amps capacity

4 pole, 630 Amps capacity

M&L for fault rectification and servicing of PLC Panel (incl software updating) by authorised OEM and replacement of minor parts like overload & underload relays, sensors etc complete all as specified and directed. (NOTE: Cost of all spares, minor parts & accessories required for satisfactory completion of the job shall deemed to be inslusive in the quoted rate. Decision of Accepting Officer shall be final and binding in this regard)

S&F in repairs Air Circuit Breaker, 4 pole, 415 volts, 50 kA manual draw out type with microprocessor release of capacity 630 Amps including all necessary accessories complete all as specified and directed.

Taking out LT Air Circuit Breaker of capacity 400 to 1000 Amps from LT panels, any type or make, properly isolating the device, opening top covers, de-carbonising moving and fixed contacts, lubricating, inspecting the tripping relay, tripping coil and checking the tripping system and mechanical system, meggering all contacts and fixing back the Air Circuit Breaker to LT panel and recharging, testing complete all as specified and directed. NOTE: The work shall be carried out by properly experienced technician/electrician. New spare parts as required shall be measured and paid separately. Other petty spares & consumables required for the job shall deemed to be included in the quoted rate. No claim shall be entertained in this regard during currency of work.

Supply only accessories / spares for Air Circuit Breaker 400 - 1000 Amps rating as under :-

Aux contact block 3 NO 3 NC

Micro switch for unserviceable trip indication

Phase barrier 3P

Trip indication switch

Neutral CT 630A

Neutral CT 800A

Shunt Trip/Closing Coil (415V)

Earth fault relay 3 phase 3 wire

Mechanical Interlock

Fixed Arcing contact 3P

Moving Arcing contact 3P

M&L for repair/maintenance of Servo Voltage Stabiliser 06 KVA to 40 KVA Capacity by carefully disconnecting electric connections, opening & dismantling Stabilizer of any Make/ Model having Input Voltage 180 to 280 V and Output 230 ± 2.5% Volt and inspecting on Site in presence of Engineer-in-Charge, transporting to Contractor’s Workshop or at existing Site for repairing and replacement of unserviceable Parts, cleaning all dust and rust from Inside/Outside and replacement and fixing of Bedding, re-installation after repairing, testing & commissioning on Full Load, complete all as specified and as directed by Engineer-in-Charge.

-ditto- as per Item No 26 here-in-before but for Servo Voltage Stabiliser of capacity 50 to 100 KVA

-ditto- as per Item No 26 here-in-before but for Servo Voltage Stabiliser of capacity 125 to 250 KVA

-ditto- as per Item No 26 here-in-before but for Servo Voltage Stabiliser of capacity 300 to 400 KVA

NOTES TO ITEM NO 25 TO 28:- (1) Engineer-in-Charge and contractor will jointly inspect stablisers before repair and prepare list of repair/replacement parts duly signed by the both parties and shall be kept on record. (2) Contractor shall ensure that properly skilled & experienced technician is engaged for inspection and repair of the stabilisers. (3) The stablisers shall be filled/topped up with ISI marked suitable transformer/mineral oil. Oil shall be measured and paid seperately as "Supply Only". (4) Unserviceable major spares/accessories of Sevo Voltage Stablisers shall be measured and paid separately under respective Items provided here-in-after. Quoted rates shall be deemed to be inclusive of the cost of other minor spares/accessories viz. Bypass switch, rotary switch, terminal blocks, thimbles, inculation materials, nuts & bolts and consumables required for satisfactory completion of the job. (5) Vehicles, T&P and labour required for transportaion of voltage stabilisers from site to workshop and back shall be arranged by the contractor and quoted rate shall be deemed to be inclusive of the said aspect)

Supply only transformer oil, suitable for voltage stabiliser, of standard grade as per relevant IS code, supplied in sealed containers complete all as specified and directed.

S&F Dimmerstat complete with Fulcrum suitable for Servo Voltage Stabilizer, 3 Phase, 415Volt, complete all as specified and directed for the following capacities :-

06 to 40 KVA capacity

50 to 100 KVA capacity

125 to 250 KVA capacity

300 to 400 KVA capacity

M&L for replacement of Winding of Transformer/ Dimmerstat with appropriate gauge Supper Enamelled Copper Wire for Servo Voltage Stabilizer 40 KVA to 400 KVA, 3 Phase, 415 Volt, complete all as specified and as directed.

M&L for replacement of Digital Servo Controller Card complete with IC’s Regulator, Transistor, Condenser, etc. suitable for Servo Voltage Stabilizer 06 KVA to 400 KVA, 3 Phase, 415 Volt, complete all as specified and as directed by Engineer-in-Charge.

S&F Slow Speed High Torque Synchronizing Motor of suitable capacity with RC Network suitable for Servo Voltage Stabilizer, 3 Phase, 415 Volt, complete all as specified and as directed for the following capacities :-

10 to 40 KVA capacity

50 to 100 KVA capacity

125 to 250 KVA capacity

300 to 400 KVA capacity

M&L for carefully disconnecting LT cable connections from Servo Voltage Stabilizer of Capacity 06 KVA to 160 KVA and shifting to other location in the sub station of Air Force Station including Jhopra Complex and properly installing, reconnection of LT cable connections and testing complete all as specified and as directed by Engineer-in-Charge. (NOTE: Vehicles, T&P and labour required for shifting of voltage stabiliser shall be arranged by the contractor and quoted rate shall be deemed to be inclusive of the said aspect)

-ditto- as per Item No 35 here-in-before but for Servo Voltage Stabiliser of capacity 200 to 400 KVA

M&L for scraping of old loose paint from steel tubular poles up to 9 mtr height with out removing accessories and preparation of surfaces and repainting the pole with one coat of aluminium paint with alternative white/yellow and black stripes of 30 cm each up to 1.5 mtr height using synthetic enamel paint and repainting the remaining pole and iron parts i.e. U clamps, channels etc above 1.5 mtr height by applying one coat of aluminium paint all as required at site including writing Pole No with white paint on black base complete all as specified and directed.

Supply and laying in repair electrical insulating mat, 2.5 mm thick, made out of dielectric elastomer, natural or synthetic in nature, having elastic properties, suitable for working voltage 11 KV, proof voltage 22KV, breakdown voltage 45 KV, fire retardant, having self-extinguishing propery within 5 seconds of lighting, high elongation & tensile strength, no tear or breakage due to trolley movement & foot traffic, resstant to acids and alkalies, solvents or transformer oil, pastable type, water and moisture proof complete all as specified and directed. (NOTE: Contractor shall submit purchase voucher and manufacturer's test certificate alongwith the material)

shiv shanker enterprises (BID ID -3334621)

Aditi Formation Company (BID ID -3332770)

NAMIT ENTERPRISES (BID ID -3344777)