REPLACEMENT AND UPGRADATION OF EXISTING OLD BER TRANSFORMERS (PH-I OF TWO PHS) UNDER GE UTILITY BATHINDA

Amount

NOTE:- (Applicable for all parts/items/):- The bidders/contractors are advised to read tender document, all drawings & all corrigendum/ amendments and General conditions of contracts before entry/quoting

Supply, installation, testing, commissioning of outdoor type compact substation with facility for internal lighting, earthing, padlocks etc. 11KV comprising of twin canopy design should have three compartment i.e. Load Break switch compartment, Transformer compartment and LT panel compartment. The CSS should has following equipment of given capacity and specifications as given below:- a) Load Break switch COMPARTMENT:- 11 KV indoor type RMU floor mounted with internal electrolytic grade copper bus bars, consisting of combinations of 400 Amp 2 Nos. fixed motorised operated Load Break Switch & 1 Nos. fixed type motorised operated Vacuum Circuit Breaker Module in SF6 insulated stainless steel enclosure. All live parts, bus bars, LBSs connections of RMU shall be enclosed in on+B3e tank to avoid multiple interconnections & sealed for life robotically welded non-magnetic and non-ferrite grade stainless steel tank Grade 304 of minimum 2.5 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU should be complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards with latest amendments 62271-200, 60129, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Extensible Bushings, if applicable shall be bolted type top mounted outside the tank for connection of external bus bar. Also, the outer enclosure shall cover the full length of the switchgear, to ensure IP3X+IP54 protection for cable boxes. The unit shall be internal arc proof 21kA for 1 sec. for tank +Cable Box, and tested and totally safe for human beings. The gas release & personnel safety with internal arc proof shall not depend on plinth design.

Srl Item No 1 Continued...... The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personnel near the sides of the RMU/plinth, top release will ensure their safety. The release in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the ‘Internal fault IAC-AB as per IEC 62271-200. Internal arc proof & testing shall be done with enclosure door in open condition, with switching devices in operation mode. The Vacuum Bottle shall be of same make as that of RMU to ensure better life cycle optimization for the RMU. The unit shall include the following with all necessary standard fitting required at site. 400A fixed motorised operated Load Break Switch module for making of fault current along with Earth Switch of full making capacity, short time withstand current - 21KA/ 3 sec Making Capacity - 52.5 kAp, Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 38kV, Impulse withstand voltage - 95kV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X, Snap action mechanism for manual operation and pad-lockable Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable Right angle non-touch proof Termination boots - 1 Set (R,Y,B) 400A motorised Vacuum Circuit Breaker Module module for making & breaking of fault current alongwith Earth Switch of full making capacity Manual operated 400 A Vacuum circuit breaker having spring stored mechanism. Three position disconnector/earthing switch downstream vacuum circuit-breaker with pad-locking feature. Three position single spring mechanism for disconnector/earthing switch with pad-locking feature. “Live Cable” LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. Short time breaking current - 21KA/ 3 sec, Making Capacity - 52.5 kAp Auxiliary contacts - 1NO + 1NC, Power frequency withstand voltage - 38KV Impulse withstand voltage - 98KV, Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X, Green (ON)/Red (OFF) push buttons to operate VCB. 3O/C + 1E/F self-powered numerical protection relay with Low and High set for Over current and Earth Fault. Resin cast ring core protection CT plate mounted type: 80/40-1/1 A, 5P10, 2.5 VA - 3 Nos Mechanical ON/OFF/EARTH/Spring charge Indication

Srl Item No 1 Continued...... Cable boxes should be Arc Proof interlocked with respective Earthing Switches. Right angle non-touch proof Termination boots - 1 Set (R, Y, B). (b) TRANSFORMER COMPARTMENT: - Mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 250 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, off circuit tap changing arrangement for voltage variations of +5% to -10% in steps of 2.5% for variation of HV, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 4.5% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. (c) LT COMPARTMENT:- LT panel Board of Suitable size indoor type (single door) 415 Volts, dust proof, vermin proof made out of CRCA sheet 2 mm thick compartmentalized inside panel to accommodate the incoming and outgoing each switch gear shall have be independent opening, and having provision for front side opening with rubber beading and mild steel cable glands for each cable to make it weather and vermin proof. INCOMING MCCB 400 Amp microprocessor release type Four Pole, Breaking capacity 36 KA, ICS=100% of ICU, adjustable overload setting from 0.4 to 1.0 x In, Adjustable short circuit setting from 1.5 to 8xIr- 01 No Bus bars of aluminium strips of 500 Amp current rating capacity

Supply, installation, testing, commissioning of outdoor type compact substation with facility for internal lighting, earthing, padlocks etc. 11KV comprising of twin canopy design should have three compartment i.e. Load Break switch compartment, Transformer compartment and LT panel compartment. The CSS should has following equipment of given capacity and specifications as given below:- a) Load Break switch COMPARTMENT:- 11 KV indoor type RMU floor mounted with internal electrolytic grade copper bus bars, consisting of combinations of 400 Amp 2 Nos. fixed motorised operated Load Break Switch & 1 Nos. fixed type motorised operated Vacuum Circuit Breaker Module in SF6 insulated stainless steel enclosure All live parts, bus bars, LBSs connections of RMU shall be enclosed in on+B3e tank to avoid multiple interconnections & sealed for life robotically welded non-magnetic and non-ferrite grade stainless steel tank Grade 304 of minimum 2.5 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU should be complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Extensible Bushings, if applicable shall be bolted type top mounted outside the tank for connection of external bus bar. Also, the outer enclosure shall cover the full length of the switchgear, to ensure IP3X+IP54 protection for cable boxes. The unit shall be internal arc proof 21kA for 1 sec. for tank +Cable Box, and tested and totally safe for human beings. The gas release & personnel safety with internal arc proof shall not depend on plinth design.

Srl Item No 2 Continued...... The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personnels near the sides of the RMU/plinth, top release will ensure their safety. The release in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the ‘Internal fault IAC-AB as per IEC 62271-200. Internal arc proof & testing shall be done with enclosure door in open condition, with switching devices in operation mode. The Vacuum Bottle shall be of same make as that of RMU to ensure better life cycle optimization for the RMU. The unit shall include the following with all necessary standard fitting required at site. 400A fixed motorised operated Load Break Switch module for making of fault current alongwith Earth Switch of full making capacity Short time withstand current - 21KA/ 3 sec Making Capacity - 52.5kAp, Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 38kV, Impulse withstand voltage - 95kV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X, Snap action mechanism for manual operation and pad-lockable Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable Right angle non-touch proof Termination boots - 1 Set (R,Y,B) 30A motorised Vacuum Circuit Breaker Module module for making & breaking of fault current alongwith Earth Switch of full making capacity Three position disconnector/earthing switch downstream vacuum circuit-breaker with pad-locking feature. Three position single spring mechanism for disconnector/earthing switch with pad-locking feature. “Live Cable” LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. Short time breaking current - 21KA/ 3 sec. Making Capacity - 52.5 kAp Auxiliary contacts - 1NO + 1NC. Power frequency withstand voltage - 38KV Impulse withstand voltage - 98KV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X. Green (ON)/Red(OFF) push buttons to operate VCB. 3O/C + 1E/F self-powered numerical protection relay with Low and High set for Over current and Earth Fault. Resin cast ring core protection CT plate mounted type: 80/40-1/1 A, 5P10, 2.5 VA - 3 Nos

Srl Item No 2 Continued...... Mechanical ON/OFF/EARTH/Spring charge Indication Cable boxes should be Arc Proof interlocked with respective Earthing Switches. Right angle non-touch proof Termination boots - 1 Set (R,Y,B). Make: ABB, Siemens and Schneider. (b) TRANSFORMER COMPARTMENT:- Mineral oil immersed, natural air-cooled, outdoor type, double wound (copper) distribution transformer, three phase, 315 kVA rating, non-sealed type, 50 Hz rated frequency, 11 kV high voltage and 415 V low voltage nominal system voltage, minimum 75 kVp basic insulation level, 11000 V/ 433-250 V no-load voltage ratio, connection (vector) symbol Dyn11, 30⁰ positive phase displacement, off circuit tap changing arrangement for voltage variations of +5% to -10% in steps of 2.5% for variation of HV, minimum energy efficiency level 2 (Star 2 as per the notification issued by the Central Government, in consultation with the Bureau of Energy Efficiency and including all the amendments issued up-to-date), 4.5% impedance, ONAN type cooling all as per IS-1180 (Part 1): 2014 including amendment upto and including amendment No. 4 dated 04 Mar 2021 complete with all fittings, accessories and item as specified and as directed. Note: - The energy efficiency level higher than the minimum energy efficiency level as specified here shall be provided without any extra cost in case the transformer of minimum energy efficiency level is not available. (c) LT COMPARTMENT: - LT panel Board of Suitable size indoor type (single door) 415 Volts, dust proof, vermin proof made out of CRCA sheet 2 mm thick compartmentalized inside panel to accommodate the incoming and outgoing each switch gear shall have be independent opening, and having provision for front side opening with rubber beading and mild steel cable glands for each cable to make it weather and vermin proof. INCOMING ACB 630 Amp microprocessor release type Four Pole, Breaking capacity 50KA, ICS=100% of ICU, adjustable overload setting from 0.4 to 1.0 x In, Adjustable short circuit setting from 1.5 to 8xIr- 01 No Bus bars of aluminium strips of 800 Amp current rating capacity

S & F XLPE cable end termination, heat shrinkable, indoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core 95 sqmm complete all as specified and as directed.

M & L for earthing complete with galvanised steel pipe electrode 40 mm nominal bore, medium grade, 2.5 metre length buried directly in ground with top edge of the pipe not less than 1.25 metres below normal ground level, connected to earthing lead of 25 mm X 4 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from pipe electrode to test point upto 7.5 metre including all as shown in electrical plate No. 2 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed.

Material and Labour for dismantling four/two pole structure/LT panel/Transformer by disconnecting of all incoming and outgoing HT cables, dismantle poles, cross arms, GODO etc from structure and connect the all cables to CSS VCB and LT panels complete all as specified and directed by Engr-in charge. Dismantled items shall be deposited to AGE E/M store/yard of GE (U) Bathinda

M & L for cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and as directed.

Demolition of brick work or stone/boulder masonry laid dry complete all as specified and as directed.

Surindera Kumar Bansal (BID ID -3485515)

M/s Rohit Construction Co. (BID ID -3484420)

M/s Kataria Construction Company (BID ID -3484623)

MAHESH KUMAR SINGLA CONTRACTOR (BID ID -3485857)

M/S ADHIKARI CONSTRUCTION CO. (BID ID -3482321)

Sant Construction Co. (BID ID -3485540)