PROVISION OF 02 X STAND BY DG SET FOR SIMULATORS AT 1 TRG BN, 1 EME CENTRE UNDER GE (UTILITY) SECUNDERABAD.

DIESEL ENGINE: The diesel engine shall be of four-stroke, water-cooled, turbocharged, direct injection, developing 78 kW / 104 BHP at 1500 RPM under NTP conditions. It shall be of 4-cylinder vertical inline configuration with bore and stroke of 104 mm x 118 mm and a compression ratio of 16.5:1. The engine shall be provided with radiator cooling system of minimum 15.5 litres capacity, electric start system using 12V battery, and electronic governor (A0 class). The engine shall be complete with all standard accessories such as air cleaner, fuel filter, oil filter, lube oil pump, water pump, fuel injection system, and shall be compliant with latest CPCB-IV+ emission norms. It shall be designed for continuous duty, suitable for tropical conditions and be mounted on a common base frame with anti-vibration mountings.MAke of Engine : FG Wilson (CatterPillar), model H4G4DE82, or Technoeconomically equivallent in MTU, Volvo Penta, Mitshubishi. 2. ALTERNATOR: Alternator shall be of make LS or equivalent, brushless, self-excited and self-regulated type, rated for 82.5 kVA, suitable for 415 V ±1%, 3-phase, 50 Hz, 0.8 power factor operation at a speed of 1500 RPM under NTP conditions. The alternator shall be screen protected, drip-proof (SPDP) with IP-23 protection, having Class H insulation, and shall conform to IS: 4722. The alternator shall be suitable for continuous duty with tropical climate conditions and shall be capable of withstanding transient loads without exceeding permissible limits. Make Leroy-Somer , Stamford , Crompton Greaves.

ACOUSTIC ENCLOSURE: The DG Set shall be housed in a factory-fabricated, weatherproof, powder-coated CRCA sheet acoustic enclosure, complying with CPCB-IV noise norms with noise level not exceeding 75 dBA at 1 meter distance under 75% load, as per ISO 8528. The enclosure shall be fabricated with suitable structural members and filled with acoustic insulation material to achieve the required attenuation. It shall be provided with ventilation louvers, inspection doors, lifting hooks, and integral base frame with antivibration mountings and built-in fuel tank of minimum 155 litres capacity, complete with fuel gauge, air vent, drain plug, and inlet/outlet pipe connections. The enclosure shall be suitable for outdoor installation under tropical climate conditions. Make as per GEMCO, MTU or as per manufacturer or approved . CONTROL PANEL (WITHIN ENCLOSURE): The DG Set shall be provided with a factory-mounted standard control panel integrated inside the acoustic canopy, comprising microprocessor-based Engine Control Unit (ECU), make SEDEMAC GC1206, suitably rated 4P MCB (125 A), digital display unit, current transformers, indicating lamps, set running and load indications. The ECU shall display parameters such as generator output voltage, current (R, Y, B), frequency, kWh, oil pressure, coolant temperature, fuel level (%), engine RPM, battery voltage, and engine run hours. It shall provide alarms and safety shutdowns for conditions including high coolant temperature, low oil pressure, over-speed, engine common fault, water in fuel, and emergency stop.

SCOPE OF WORK: The scope of work shall include but not be limited to the following: 1. Supply, transportation, unloading and positioning of complete Diesel Generator Set with acoustic enclosure and all accessories at site, as per specifications. 2. Construction of PCC foundation/platform for DG set as per OEM-recommended drawing. The cost of foundation shall be deemed to be included in the quoted rate. 3. Installation of DG set on PCC foundation including provision of anti-vibration mounting pads and proper alignment of engine and alternator. 4. Interconnection of DG set with the existing Load Distribution Panel (LDB) and AMF panel including all necessary , terminations, earthing, lugs, glands, cable trays/supports as required for complete functional integration. 5. First fill of consumables including lubricating oil, coolant, battery acid (if applicable), and initial diesel for testing shall be in the contractor’s scope. 6. Factory inspection of DG set and enclosure shall be carried out at the manufacturer’s works by the Representative of Accepting Officer / IEM, for which all coordination, inspection arrangement, communication, documentation, and associated expenditures shall be borne by the contractor.

7. Testing and commissioning of the complete DG set at site for minimum 12 continuous hours under 110 % full load conditions, including provision of fuel, load arrangements (including external load bank if required), measuring instruments, and technical manpower. All arrangements shall be made by the contractor without any extra payment. 8. Performance verification and functional testing of the installed DG set shall be carried out in the presence of the IEM / Representative of Accepting Officer, and all arrangements in this regard shall be the responsibility of the contractor. 9. Submission of documentation, including OEM factory test certificates, CPCB compliance certificate, warranty certificate, type test reports (if applicable), operation and maintenance manual, and as-built wiring diagrams and layout drawings in both hard and soft copies. 10. Restoration and site clearance after completion of works, disposal of packing materials, debris, and ensuring the site is handed over in a clean and functional condition to the satisfaction of Engineer-in-Charge.

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 mtr depth for laying cable at and getting out in soft/loose soil all as specified and directed.

Returning, filling in soil including spreading, levelling, watering and well ramming in layers, not exceeding 25 cm thick all as specified and directed.

Removing surplus soil to a distance not exceeding 50 Mtr and deposited at a level not exceeding 1.5 mtr above from the starting point all as specified.

Supply and laying in trenches of 80 mm dia DWC HDPE pipe, Heavy Duty, conforming to IS 14930 Part 2, made of HDPE, with corrugated outer wall and smooth inner bore, suitable for passing 1.1 kV, 3.5CX 50 to 70 sqmm XLPE cable, including cost of couplers, jointing accessories, end caps, and laying as per site requirement engineer-in-charge direction. Make SFMC, Reliance, Supereme. Complement all as specified and directed

Supplying, laying, jointing, testing and commissioning 1100 volts grade, LT XLPE insulated, PVC sheathed as per IS-7098 (Part-I), 1988 galvanized steel strip or wire armoured, heavy duty, electric cables, with multistranded aluminium conductor laid in trenches/ passing through pipe/duct/road crossing or fixed on poles, walls with suitable size clamps made out of mild steel flat iron including jointing material such as crimping type lugs, brass cable glands, heavy duty double compression type etc., including taking down unserviceable cable complete all as specified and directed. Note : Earthwork Excavation, cable protection pipe will be measured and paid separately.

All as per item No. 6 above 3.5 core 50 Sqmm

All as per item No. 6 above 3.5 core 70 Sqmm

M&L in repairs, Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15mm thick buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5m below normal ground level connected to copper strip 20x3mm as earth lead by means of bolts, nuts, washers and check nuts made out of galvanized iron or steel all as shown on Electrical Plate No. 3 of SSR Part-I including testing on completion complete all as specified and directed Note 1: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, 50mm thick RCC 1:2:4 type B-1 using 20mm graded stone aggregate cover slab reinforced with 6 Nos of 8mm dia TMT bars both ways, funnel with watering pipe 20mm dia medium grade, GI protection pipe medium grade 25mm dia and wire mesh complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub-heading earthing, specified on Sl Page No. 422 of SSR Part-II.

M&L in repairs, Earthing complete with GI earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5m below normal ground level connected to GI strip 25x4 mm as earth lead by means of bolts, nuts, washers and check nuts made out of galvanized iron or steel all as shown on Electrical Plate No. 3 of SSR Part-I including testing on completion complete all as specified and directed by Eng-in-charge. Note 1: The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, 50mm thick RCC 1:2:4 type B-1 using 20mm graded stone aggregate cover slab reinforced with 6 Nos of 8mm dia TMT bars both ways, funnel with watering pipe 20mm dia medium grade, GI protection pipe medium grade 25mm dia and wire mesh complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub-heading earthing, specified on Sl Page No. 422 of SSR Part-II.

Supply, installing, testing and commissioning, factory made and tested, CPRI approved LT panel board Out door type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply system all as specified and directed, with necessary Aluminium bus bar arrangement with insulated bus bar 600 Amps rating , 4 strips, the panel should be dust proof, IP 54 class protection and made out of 3.15mm thick CRCA mild steel sheet with 40x40x5mm angle iron frame with necessary earth work excavation, hinged doors, front and rear opening and locking arrangement and duly powder coated on the out side and inside, cable glands and lugs for incomming and out going cable etc, independent chamber to accommodate complete all as specified and directed including following accessories :-(MLTP) Incoming: (a) MCCB 4 Pole, 415 V, capacity 200 Amps - 01 No Outgoing: (a) MCCB 4 pole adjustable type, 125 Amp, 415 Volts 50 KA – 02 No (h) Indicating lamps (set 03 Nos) - 01 set (R,Y & B) (j) Digital panel mounted Voltmeter and ammeter -03

Supply, installing, testing and commissioning, factory made and tested, CPRI approved LT panel board Out door type, weather, vermin proof, cubical type, platform mounted, suitable for 415 volts, 3 phase 4 wire 50 Hz AC supply system all as specified and directed, with necessary Aluminium bus bar arrangement with insulated bus bar 600 Amps rating , 4 strips, the panel should be dust proof, IP 54 class protection and made out of 3.15mm thick CRCA mild steel sheet with 40x40x5mm angle iron frame with necessary earth work excavation, hinged doors, front and rear opening and locking arrangement and duly powder coated on the out side and inside, cable glands and lugs for incomming and out going cable etc, independent chamber to accommodate complete all as specified and directed including following accessories :-(MLTP) Incoming: (a) MCCB 4 Pole, 415 V, capacity 125 Amps - 01 No Outgoing: (a) MCCB 4 pole adjustable type, 63 Amp, 415 Volts 50 KA – 02 No (h) Indicating lamps (set 03 Nos) - 01 set (R,Y & B) (j) Digital panel mounted Voltmeter and ammeter -03 (e) Change Over Switch 100 A -01 Nos

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure