GE/SRA/T-49/2024-25

Amount

S&F in repairs 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, 36 kA breaking capacity

250 Amp, 4 pole, 36 kA breaking capacity

320 Amp, 4 pole, 36 kA breaking capacity

400 Amp, 4 pole, 36 kA breaking capacity

630 Amp, 4 pole, 36 kA breaking capacity

S&F in repairs, 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 in repairs, 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

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

S&F in repairs Square type Ammeter Analog type (ranging from 0 to 200 Amps) complete all specified and as directed.

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

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

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

-ditto- as per Item No. 12 here-in-before but for APFC panel of capacity 100 to 200 KVAR

NOTES FOR ITEM NO 12 & 13 : - (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 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 in repairs 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 in repair 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 in repair 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 in repair 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.

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 24 here-in-before but for Servo Voltage Stabiliser of capacity 50 to 100 KVA

-ditto- as per Item No 24 here-in-before but for Servo Voltage Stabiliser of capacity 125 to 250 KVA

-ditto- as per Item No 24 here-in-before but for Servo Voltage Stabiliser of capacity 300 to 400 KVA

NOTES TO ITEM NO 24 TO 27:- (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 transformer oil and Quoted rate shall be deemed to include for the cost of Transformer oil. (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)

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 by Engineer-in-Charge.

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 Dimmerstat complete with Fulcrum suitable for Servo Voltage Stabilizer, 3 Phase, 415 Volt, complete all as specified and as 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

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 32 here-in-before but for Servo Voltage Stabiliser of capacity 200 to 400 KVA

M&L Load Testing of flame proof/non flame proof EOT Crane up to 6 Ton, Load capacity to prove the satisfactory Operation of Electrical Controls, Motors, Gear Boxes, Protective Devices, system Interlocks and Mechanical components like Wire Rope, Weld Sections check/welding to existing Channel of the Crane in all Motions (LT CT Hoist in High Speed and Creep Speed) during Full Load and testing of Crane in Over Load at 100 + 25% in presence of Representative of AF Sirsa including all Consumables Items, complete all as specified and as directed by Engineer-in-Charge. NOTES :- (1) (a) Load Blocks in denomination of total tonnage of crane + 25% will required quantity shall be provided by the Contractor at his own Arrangement and Cost including shifting of these Blocks near to the Crane Load required for lower denomination for which Contractor has no Extra Claim. Cost of Transportation and Handling Charges are also deemed to be included in the Quoted Unit Rate. (b) Load Tests are to be carried out by the Contractor minimum ½ to 1.0 Hour duration though an OEM Certified Technician in the relevant Field in presence of Department Representative and will record the Test. (c) Contractor will be responsible for Servicing of Crane before Load Testing. Cost of all Consumable Items will be deem to include in the Quoted Unit Rate including Brake Oil, Gear Oil and Grease etc.

Item No 34 (Contd...) (d) Deflection Test of EOT Crane should be done by OEM Certified Agency or Technician and permissible test result should be submitted by the contractor of each crane. (e) Contractor will submit all the possible test certificate duly signed by user/AF authorities , provided by EOT crane expert /firm/company to the department after each Crane testing. (f) Existing Make of EOT Cranes are Rockwell/ Tib Udhyog or as per site available. (g) Contractor will change/top up Gear oil of cranes and hydraulic oil for thrusters during the repair of Cranes (h) Contractor will do hot dip galvanization process to avoid metal to metal contact of some important parts like wheels, hook, rope drums etc. (j) Cost of all type tests/Gear oil/hydraulic oil/galvanization process, will be treated as EACH JOB only and cost will deemed to be included in quoted rates by the contractor

S&F in repair Contactor 3 Pole suitable for 5 to 24 Volt, DC 40 Amp, complete all as specified and as directed .

S&F in repair Heavy duty Limit Switch with 2NO + 2NC, complete all as specified and as directed.

S&F in repair Normally Closed/ Normally Open Switch, complete all as specified and as directed.

S&F in repair PCB Card complete all as specified and as directed by Engineer-in-Charge.

S&F in repair Push Button in Yellow/Blue Colour, complete all as specified and as directed by Engineer-in-Charge.

S&F in repair PVC insulated, sheathed, stranded Copper Conductor Cable of size 1.5 Sqmm, 12 Core, 1100 Volt grade, heavy duty, complete all as specified and as directed by Engineer-in-Charge.

S&F in repair Thermal Over Load Relay of setting range 32 Amp, 415 Volt, 50 Hz, complete all as specified and as directed by Engineer-in-Charge.

S&F in repair Transformer 3 Phase 50 VA (as approved as per existing one) having conversion capacity of 3 Phase 380 Volt, 400 Volt & 415 Volt to 110 Volt, 30 Volt, 24 Volt & 12 Volt, complete all as specified and as directed by Engineer-in-Charge.

S&F in repairs Wire Rope maximum 15mm dia, multi-stranded of existing Shape and Size, properly fixed and tested complete all as specified and as directed by Engineer-in-Charge.

M&L for Realignment of Crane Rail Track including removing of Rail and replacing the damaged and perished Rubber Padding wherever and replacing the worn out Bolts, Nuts and Washers including welding new Mild Steel Clamps wherever necessary and checking of Bends straightening and refixing the Rails including Provision of necessary Packing Shoes and ensure Proper Alignment including necessary Welding Works at Corners, etc., complete all as specified and as directed by Engineer-in-Charge.

S&F in repair Dynamic Breaking Resistor of capacity 250 to 750 watts complete all as specified and directed.

S&F in repair Plastic Crane cable carrier complete all as specified and directed.

S&F in repair Shoe Lining of Brakes with bolts etc complete all as specified and directed.

M&L for repair and replacement of locking arrangement, Door handles, Hinges, CRCA Sheet, Beddings, insulators, Bus Bars & Legs etc of EOT Crane Panel ( incl painting of steel sections with two coats of synthetic enamel paint over a coat of red oxide primer 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)

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.

M&L for cleaning the external area of Sub-Station including foundation/floor/platforms of transformers, LT/HT panels, RMU/VCB, upto 50 sqm by properly sweeping, removal of algae, fallen leaves etc, cutting of bushes, vegetation, overhead branches etc and removal of debris from site and disposed off as specified and directed by Engineer-in-Charge. (NOTE: Contractor shall ensure that the labourers engaged in works near live electric lines properly adhere to the guidelines wrt safety precautions. The contractor shall provide all requiste safety gears to avoid any accident. Deptt shall not be resposible for any untoward incident during currency of work. Each Sub-Stn shall be not be measured more than twice during the contract period)

NISHTHA BUILDERS (BID ID -3135725)

shiv shanker enterprises (BID ID -3135477)

Aditi Formation Company (BID ID -3142412)

YOGINDER KUMAR GUPTA AND COMPANY (BID ID -3135433)