CA NO. GE AF NO.1 / GUR-48 / 2026-27 REPAIR MAINT OF VOLTAGE STABILIZER, EM EQPT AND MISC REP MAINT OF EXTERNAL ELECTRIC SERVICES IN 13 BRD 16 BRD OF TECH AREA AT AF STN PALAM UNDER GE (AF) GURGAON NO-1.

Disconnecting / taking down carefully existing unserviceable LT panel board / feeder pillar box any type and capacity including all control switches, fitting and fixtures from different location including disconnection of existing electric incomming and outgoing cable and dismantling of PCC platform and make good with existing surface complete all as directed by the Engr-in-Charge.

Supply, install commissioning and testing cubical out door feeder LT panel board of suitable size not less than 1800x1500x450mm, platform mounted, factory made totally enclosed dust and vermin proof (protection class IP-54, CPRI Approved) double shutter front and back opening with locking arrangement complete supported on angle iron 50 mm x 50 mm x 6 mm thick frame work and 3.15 mm thick CRCA sheet duly painted with powder coated paint to all steel surfaces over outside and inside complete including necessary PCC 1:2:4 foundation and necessary electrical connection of incomming and outgoing cable with necessary lugs complete all as specified and directed. The panel board shall be suitable for 415 volt, 50 Hz, 3 phase, 4 wire system with epoxy type copper bus bar of appropriate size and internal control wiring shall be of insulated multi stranded copper conductor cables :- (Location: Tech HQ) INCOMING (a) MCCB, four pole, 400 Amp, 36 KA at 415 Volts, adjustable thermal and magnetic setting- 01 No. (b) 600 Amps rated copper bus bar suitable for 04 pole system - 01 Set. (c) Phase indicating lamp RYB LED type (Set of three ) -01 Set. (d) Voltmeter Digital type 0-500 Volts capacity with integeral selector switch dully prewired. (e) Ammeter Digital type 0-500 Amp capacity with integeral selector switch and CT coils of suitable capacity 500/5A dully prewired. OUT GOING (a) MCCB four pole 200 Amps, 36 KA at 415 Volts, adjustable thermal and magnetic setting- 03 Nos . (b) MCCB four pole 160 Amps, 25 KA at 415 Volts, adjustable thermal and magnetic setting-02 Nos

Supply, instalation, commissioning and testing cubical out door feeder LT panel board of suitable size consisting of all under mentioned assories, platform mounted, factory made totally enclosed dust and vermin proof (protection class IP-54, CPRI Approved) double shutter front and back opening with locking arrangement complete supported on angle iron 50 mm x 50 mm x 6 mm thick frame work and 3.15 mm thick CRCA sheet duly painted with powder coated paint to all steel surfaces over outside and inside complete including necessary PCC 1:2:4 foundation and necessary electrical connection of incomming and outgoing cable with necessary lugs complete all as specified and directed. The panel board shall be suitable for 415 volt, 50 Hz, 3 phase, 4 wire system with epoxy type copper bus bar of appropriate size and internal control wiring shall be of insulated multi stranded copper conductor cables :- INCOMING :- (a) MCCB, four pole, 250 Amp, 36 KA at 415 Volts, adjustable thermal and magnetic setting- 01 No. (b)On Load Changeover switch 200 Amps, 4 pole , suitable for 415 volts -01 Nos (c) 400 Amps rated copper bus bar suitable for 04 pole system - 01 No. (c) Phase indicating lamp RYB LED type (Set of three ) -01 Set (d) Voltmeter Digital type 0-500 Volts capacity with integeral selector switch dully prewired. (e) Ammeter Digital type 0-400 Amp capacity with integeral selector switch and CT coils of suitable capacity 400/5A dully prewired. OUT GOING: (a) MCCB four pole 125 Amps, 25 KA at 415 Volts, adjustable thermal and magnetic setting- 01 Nos . (b) MCB SPN 32 Amps, 10 KA at 230 Volts-16Nos (c) sheet metal enclosure for 220 volts 20 Amps with a three pin and earth plug top with socket and one SPN MCB 20 amps -1 No. (d) sheet metal enclosure for 415 volts 32 Amps with a three pin and earth plug top with socket and one TPN MCB 32 amps

S&F out door type cubical panel board suitable for 3 phase, 4 wire, 415V, 50 Hz and tested at CPRI at 415 volts factory fabricated in an approved factory with CRCA sheet not less than 3.15mm thick having modern fabrication process powder coating in approved shade having thickness not less than 100 microns provided with suitable gasket to make it dust and vermin proof and general constructions conforming to IS : 8623/93. The LT Panel shall be front and back openable and having inner and outer shells. The inner shells duly compartmentalized for each control gears. The panel should have suitable size of Copper Bus -bar three phase 4 wire system having current carrying capacity not less than 1.2 times the rated current carrying capacity of the incomer ACB/MCCB. The panel should have the following incoming and outgoing controls duly fixed with the panel by means of suitable link plates complete all as specified and as directed by Engr-in-Charge. (PCC platform of suitable size in cement concrete tybe-B1 using 20mm graded stone aggregate for mounting the feeder pillar box shall deemed to be included in the quoted rate ) and to accommodate the following incoming and outgoing controls and suitable size:- INCOMING (i) MCCB 350A, 4 pole, 36KA, Overload setting adjustable and short circuit setting fixed -01 No (ii) Digital Multi functional meter VAFPP (voltage, current,frequency, power factor- 1 No (iii) Phase indicator lamp (LED type) 1 set (set of three) OUT GOING (i) MCCB 125A 4 pole, 16 KA Overload setting adjustable and short circuit setting fixed - 01 Nos (ii) MCCB 100 A 4 pole, 16 KA Overload setting adjustable and short circuit setting fixed - 02 Nos (iii) MCCB 63A 4 pole, 16 KA Overload setting adjustable and short circuit setting fixed - 03 Nos

Supply, install commissioning and testing cubical out door feeder LT panel board of suitable size not less than 1800x1500x450mm, platform mounted, factory made totally enclosed dust and vermin proof (protection class IP-54, CPRI Approved) double shutter front and back opening with locking arrangement complete supported on angle iron 50 mm x 50 mm x 6 mm thick frame work and 3.15 mm thick CRCA sheet duly painted with powder coated paint to all steel surfaces over outside and inside complete including necessary PCC 1:2:4 foundation and necessary electrical connection of incomming and outgoing cable with necessary lugs complete all as specified and directed. The panel board shall be suitable for 415 volt, 50 Hz, 3 phase, 4 wire system with epoxy type copper bus bar of appropriate size and internal control wiring shall be of insulated multi stranded copper conductor cables. LT Panel comprising of the folowing items as per Electricfication Specification

Repair to voltage stabilizer automatic oil cooled 3 phase 4 wire AC supply servo controlled 440 V, 450 KVA to 500 KVA unbalanced type by disconnecting incoming and outgoing connections, reconnecting with suitable cable lugs , replacement of worn out wiring with copper cable including soldering of joints and providing sleaves, opening the top cover and replacement of top rubber gasket, bushing, rubber gasket, seal etc including including replacement of defective / warnout parts such as gear assemble , replacement of servo motor , carbon roller assemble, pcb, toggle switch, control transformer, indicatiing lamp, voltmeter, preston type switch by new spares including testing and commissioning all as directed. including dismantling and disconnecting of LT cables and refixing after repairing of stabliziser13 BRD and testing commissioning of the stabilizer on full load to the entire satisfication of Engr-in-Charge). (Note- Spare parts will be measured and paid separatly in relavant item )

Gear Assembly