PROVN AND INSTALLATION OF 63 KVA SUB STN AT ZALURAH COMPANY OPERATING BASE OF 22 RR AND REPLACEMENT OF 02X 82.5 KVA DIESEL GENERATOR SETS WITH ALLIED INFRA AGAINST BER EQPT AT RAMPUR IN THE AOR OF AGE E/M UNDER GE 969 EWS

Supply, installation, testing and commissioning of copper wound step-down Distribution Transformer, outdoor, floor mounted type, suitable for 11 KV / 433 V, 3 phase, 4 wire, 50 Hz AC system, of capacity 63 KVA , oil immersed, naturally cooled ONAN (Oil Natural Air Natural) type, complete with all standard accessories, fittings and mounting arrangements. The transformer shall conform to latest amendments of IS-1180 (Part-1):2014, BIS certified. Transformer shall be suitable for outdoor operation under Indian climatic conditions. The transformer shall have: HV side: Delta connected LV side: Star connected with neutral brought out Vector group: DYN-11 Tapping: Off-load tap changer on HV side with taps of ±2.5%, ±5%, ±7.5% in steps of 2.5% Cooling: ONAN with radiators/cooling fins Technical requirements i. Winding: Electrolytic grade copper ii. Insulation: As per IS standards iii. Percentage impedance: As per IS 1180 iv. Losses: As per Energy Efficiency Level-2 / latest BEE norms v. Temperature rise limits: As per IS 1180 vi. Vector group: DYN-11 mandatory vii.Neutral brought out and suitable for solid earthing Accessories & fittings i. Cable end box on HV side suitable for 95 sqmm 3 core size XLPE cable. ii. Cable end box on LV side suitable for 95 sqmm 3.5 Core size XLPE cable with cable glands.

iii. Conservator with oil level indicator (min/max marking). iv. Silica gel dehydrating breather (first filling included). v. Cooling radiators / fins. vi. Explosion vent / pressure relief device (PRD). vii. Oil temperature indicator (OTI) with maximum reading and reset. viii. Thermometer pocket. ix. Oil filling hole with cap. x. Oil drain valve with sampling facility. xi. Air release valve. xii. Earthing terminals: Minimum 2 nos. for body earthing .Minimum 2 nos. for neutral earthing (separate bushing) xiii. Lifting lugs and pulling lugs. xiv. HV bushings with arcing horns. xv. LV bushings (porcelain/epoxy as per standard). xvi. Rating plate (as per IS) and terminal marking plate. xvii. Danger plate and phase indication markings. xviii. First filling of new, unused, ISI marked transformer oil conforming to IS 335. Notes:- (i) The drawing of transformer shall be approved by accepting officer on receipt of request from the contractor through GE. (ii) The transformer shall be tested as per IS for all routine tests in the factory premises and reports will be deposited with purchase voucher. (iii) Factory inspection and testing of the transformer shall be carried out in the presence of the representative of the Accepting Officer/SEI/IEM, and all associated charges shall be borne by the contractor.

Supply, installation, testing and commissioning of OEM manufactured, CPCB IV+ compliant, silent type Diesel Generator Set of capacity 82.5 kVA, rated 415 Volts, 3 Phase, 4 Wire, 50 Hz, 0.8 power factor, running at 1500 RPM, complete with acoustic enclosure, mounted on common MS base frame with AVM pads and inbuilt fuel tank, suitable for continuous operation under ambient conditions from –10°C to +40°C, complete all as specified and directed. The DG set shall conform to the latest editions of CPCB IV+ emission and noise norms, IS 8183/ BS 5514,ISO 3046,IS 10002,IS 13364 (Part 2):2003,IS 2147. Notes:- (i) The quoted rate shall be deemed to be inclusive of supply and laying of cables and terminations from the generator to the AMF panel, including making necessary openings in walls and making good all disturbed surfaces to match the existing f finishes, complete all as specified and directed. (ii) The quoted rate shall be deemed to be inclusive of the first fill of lubricating oil and carrying out the final successful acceptance test. (iii) The quoted rate shall include excavation, removal of soft/hard soil, PCC, construction of cement concrete foundation, backfilling and mass concrete of Type B2 (1:2:4) using 40 mm graded aggregate, as per OEM drawings, for placement of the DG set, complete all as specified and directed. (iv) Factory inspection and testing of the DG set shall be carried out in the presence of the representative of the Accepting Officer, and all associated charges shall be borne by the contractor. (v) The contractor shall submit detailed technical specifications, approved model, make, drawings and OEM literature to the Accepting Officer for approval prior to placement of the order.

(vi) The make of the DG set, switchgear, accessories and all items to be incorporated in the panel board shall be as specified in Schedule ‘A’ (List of Makes) or shall be got approved from the Accepting Officer on the drawings before placement of the order. The DG set shall comprise: (A) Diesel Engine 4-stroke, turbocharged, water-cooled diesel engine conforming to CPCB IV + emission and noise norms. The engine shall be of adequate BHP to deliver the rated 82.5 kVA output continuously, with 10% overload for one hour, as per ISO 3046 and installation, testing and commissioning of the DG set shall be carried out in accordance with IS 8183 and OEM recommendations complete with: i. Electric self-starting system with maintenance-free battery and charging alternator ii. Dry type air filter, fuel filters, lubricating oil filter and lubrication system. iii. Mechanical / electronic governor with frequency regulation within ±1% iv. Cooling system with radiator, fan, belts and water pump v. Exhaust manifold with residential type silencer and flexible bellows. vi. Safety protections for low lube oil pressure, high water temperature and over-speed vii. Cold starting kit (B) Alternator Brushless, self-excited, self-regulated, copper-wound alternator, salient pole type, rated 82.5 kVA, 415 V ±1%, 3 Phase, 4 Wire, 50 Hz, star connected, insulation class ‘H’, temperature rise class ‘H’, drip-proof enclosure, conforming to IS/BS 5000 / BS 2613, complete with AVR and accessories. (C) Control Panel / Fully automatic AMF Panel(AMFi) Factory-built Fully automatic AMFi Panel that detects main failure, starts DG set, transfer load, restore supply automatically made of 2 mm thick CRCA sheet, dust and vermin proof, powder coated, suitable for 415 V, 3 Phase supply, complete with: i. Copper bus bars rated at 1.5 times rated current ii. 4-pole MCCB, contactors, fuses and internal copper wiring

iii Microprocessor-based display for voltage, current, frequency, kW, kWh, PF, speed, battery voltage and engine parameters iv.Indications and annunciations for low oil pressure, high water temperature, over-speed and battery low v. Auto start/stop facility (automatic changeover beyond AMF panel in consumer’s scope (D) Acoustic Enclosure OEM-manufactured, NAL / CPCB approved acoustic enclosure, fabricated from 1.6 mm thick CRCA sheet, powder coated after pre-treatment, composite construction, conforming to IS 2147, complete with: Sound insulation as per OEM norms ii. Noise level not exceeding 75 dBA at 1 metre under free-field conditions as per IS 13364 (Part 2):2003 iii. Internal LED lighting and external emergency stop push button. iv. Batteries and control panel housed within enclosure on insulated platform (E) Exhaust, Foundation and Mounting Exhaust and fuel systems complete with all accessories as per OEM design and CPCB IV+ requirements, including exhaust silencer, flexible connections, insulation, fuel injection system, filters and hoses, suitable for safe, vibration-free operation of the DG set . RCC / PCC foundation of 1:2:4, Type B2 with (using 40 mm graded stone aggregate) as per OEM drawing, including excavation, PCC, mass concrete, backfilling and finishing complete.

Supply, installation, testing and commissioning of LT feeder piller box outdoor type made out of 3.15 mm thick CRCA sheet and MS angle iron frame with weather proof canopy, mounted on PCC pedestal, cubical type, front and rear side open able, compartment type with hinged door lighting lugs 2 Nos, earthing strips at rear side, bottom detachable gland plate complete with suitable size zinc and passivated nut, bolts spring and washers and locking arrangement for each compartment, provision of air vent, dust and vermin proof, provision of cable alley with 400 amps rated aluminium bus bar having 1100 Volts grade slaving and internal connection should be provided with aluminium strips of suitable size and to accommodate and including the following MCCBS duly painted with 2 coats powder coating over a coat of anticorrosive red oxide primer should accommodate the following accessories. Incomer: 200 Amps, 4 pole MCCB, 36 KA 415V Adj. Thermal & Adj. Magnetic Released - 01 No, Digital Volt meter 0-500V with inbuilt selector switch - 01 No Digital Amp meter 0-500A with inbuilt selector switch & CT Coils- 01 No Set of LED type indicating lamps - 03 No Aluminium Bus Bar 300 Amp TPN Outgoing: 160 Amps, MCCB 4 ,Pole 25KA 415 V,Adj.Thermal Adjustable type - 01 No 100 Amps, MCCB 4 ,Pole 25KA 415 V,Adj.Thermal Adjustable type - 01 No MCB DP 40 AMP Outgoing -1 No

Supply, Installing & testing and commissioning factory made and tested (incl CPRI type test certified) LT panel board (PH front side) out door type, platform mounted, suitable for 415 volts 3 phase 4 wire, 50 Hz AC supply system, having bus bar chamber with insulated copper bus bar 500 Amps rating installed on porcelain insulators. The panel shall be dust and vermin proof. IP 65 class protection and made of 3.15mm CRCA MS sheet and 50 x 50 x 6 mm thick angle iron frame work, powder coated finish over one coat of red oxide primer out side and two coats of red oxide primer inside, front opening type with aprons for cable entry with double door shutter and locking arrangement (including provn of 65mm Godrej Freedom) lock with 2 keys, internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked of adequate size but not less than 4 Sqmm. The scope of work includes the following :-(Main Panel near Twin Bridge) (a) INCOMING (i) MCCB 4 Pole 415 volts grade 250 Amps rating and 36 KA rupturing capacity - 01 (ii) Voltmeter 0-500 volts, Square 96 mm, finish pattern with 3 way rotary selector switch-01 No (iii) Ammeter size 96 mm, square dial flush pattern having dual range 0-600 Amps with three way rotary selector switch -01 No (iv) CTs ratio 100/5A class ISI marked sets of three each (v) Indicating lamp-01 set of three (b) OUTGOING (i) MCCB 4 pole 100 Amps - 03 Nos (ii) MCB Double pole 32 Amps - 02 Nos

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr in width and not exceeding 1.5 mtr in depth for laying of cables up to proper level complete all as specified and directed by Engr-in-charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in hard/dense soil complete all as specified and directed by Engr-in-charge.

Removing surplus excavated material from excavation not exc 50 meter and depositing where directed at a level not exc 1.5 meter above the starting point complete all as specified and directed by Engr-in-charge.