CWE/HILLS/PGH/33 OF 2024-2025 SPECIAL REPAIR/REPLACEMENT OF OLD US DG SET AT MIL STN PITHORAGARH

Amount

Supply, install, commissioning and testing of Diesel engine driven Silent type Prime rated Generating Set CPCB IV Plus compliant (as per ISO8528), Aspiration Turbocharged (charge air cooled) complete with acoustic enclosure, antivibration pads with 75db noise level at 1 metre distance (MoEF/CPCB norms) from DG set and control system for 320KVA/ 256KW output at Pithoragarh (UK) ambient conditions (NTP), AC 415 volts, 50C/S, 0.8 PF (lagging) 3 Phase 4 wire directly coupled complete with self starting system including accessories, equipment control panel etc as detailed below :- (Note : The capacity of Generator set shall be net after considering all due derating factors for both Engine and Alternator as per relevant IS/BS standard design)- (i) The capacity of Generator set shall be net after all due de-rating factors as per relevant ISI design. (ii) Rate quoted shall be deemed to be inclusive of cable and terminations from Generator to the AMF Panel, with necessary holes to wall including making good to disturbed surfaces so as to match with the existing finishes all as specified and directed. (iii) The quoted rate shall be deemed to be inclusive of first fill of lube oils, filters, coolants and consumables and final successful acceptance test. (A) Alternator :- Standard design alternator rated at 320 kVA net output at site after considering de-rating as per site conditions at 0.8 (lag) power factor AC, 3 - phase 4 - wire 415 volts 50 Hz, 1500 RPM, self excited self regulated screen protected drip proof IP 23 enclosure brushless design with winding in pole faces, insulating class 'H' and voltage regulation of +/- 1% at rated voltage from no load to full load. The alternator shall be conforming to latest BS/IS and shall be imposition to generate supply with frequency regulation with in +/- 1% tolerance. The alternator will be suitable for tropical climate and shall generally following :-

i) Insualation class - 'H‘ ii) Temparature rise Class - 'H‘ iii) Excitation : Self Excited iv) Regulation performance: The voltage is kept constant with +/- 1%, manual voltage adjustment within +/- 5% v) Frequency regulation +/- 1% (B) Diesel Engine of adequate capacity suitable to deliver 320KVA Power as per OEM design, water cooled and electrci start suitable to drive above Alternator i ndependently coupled directly through flexible coupling, multi stroke, cold starting, 1500 RPM, Aspiration turbocharged (charged air cooled), Industrial type as per BS-649, IS-1601, engine confirming to IS 10000(Part1-12)1980, IS 10001, IS 10002 and confirming to latest CPCB norms with electronic governor suitable to complete with fuel tank of capacity as per manufacturers recommendations, fuel lines, exhaust pipe, extended upto and outside building duly insulated with asbestos rope and with support and silencer muffles etc for continious operations and standard accesories, sump, pre heaters, Fuel tank of capacity of 12 hours running of DG set with stop cock, drain plug and necessary fuel pipe, manufactured out of 2mm thick MS sheet, etc complete all as specified and directly by Engineer in Charge. i)Fly wheel with housing ii) Cooling system :- Moulded radiator with fan & belts iii) Cooling Water pump : - Centrifugal type belt driven iv) Exhaust System :- as per manufacture with MS pipe light grade upto & outside and 1meter away from the enclosure, covered with asbestos rope and aluminium foil of 28 SWG complete with in the enclosure for safe exhaust without transforming vibration to the wall of the enclosure. Exhaust gas turbo charger type. Exhaust manifold Silencer : Residual type Bellows

v) Fuel System :- Fuel injection system with fuel injectors, fuel injection solenoid switch controlled by electronic governor for 1% speed /frequency regulation, Fuel filters, Fuel hoses. vi) Lub oil System : Lubricating oil filter Lubricating oil pump vii) Air Intake System : Air intake Manifold Air cleaner dry type viii) Governor :- Electronic Governor ix) Starting System :- Electric Self starter with maintenance free battery including battery charging alternator x) Batteries :- Batteries of maintenance free of capacity 180 AH 12 volts 02 nos for as recommended by the manufacturer complete with copper conductor multi stranded leads of suitable length from self starter to the battery terminals complete with initial charge and initial fill of electrolyte all as specified and Starter gear ring Start and stop push button, Ignition key / Switch Handling and operation : Salient features of accessories shall be as under: Radiator with blower fan Corrosion inhibitor coolant Paper element filters for fuel, lub oil and by pass Electronic governor controlled direct fuel injection system Fly wheel housing and fly wheel

xi) Generator Monitoring Panel : - Comprising of all standard items as mentioned under this schedule or as per standard practice iginiton key switch and start / stop arrangement, indications for Engine parameters, hour run meter, RPM meter, Engine oil pressure indicator, water/coolant temparature indicator, BattEry volt display. xii) Safety Controls : - Engine low lube oil pressure high water temparature and over speeding of engine xiii) Coupling arrangement : - Flexible coupling, fly wheel to suit flexible coupling xiv) Accessories :- AVM Pads built in enclosure and for entire unit on platform. xv) Base Frame : - Should be provided as OEM norms xvi) Inbuilt fuel tank of suitable capacity with base rail as integral fuel tank as per OEM standard design and recommendations. C) Accoustic Enclosure:- Manufactured by OEM suitable for 320 KVA DG Set (i) NAL approved as per CPCB (ii) It Should be as per latest rules and regulations of Ministry of Environment and Forest and Pollution control board (iii) The generating set battaries and control panel should be inside the enclosure. (iv) Construction Details/specification are as follows: a) Outer body :- CRCA Sheet of 1.6mm thick b) Doors :- CRCA sheet of 1.6 mm thick

c) Sound Insulation :- As per OEM Norms i) The accoustic should be composite in construction and fully assembled integral unit ii) The batteries should be placed inside the enclosure beside the DG Set on a suitable insulated plat form iii) The DG Set should be provided with external Emergency stop push button iv) The enclosure should be suitably illuminated by CFL/FTL Lamp fittings. v) The noise level should be 75 dba at 1m under free field conditions. vi) The acoustic enclosure parts shall be of powder coated after pre treatment process. The powder coating shade should be Gen set Green. The base frame should be painted with epoxy based black shade Notes :- (a) the engine and alternator shall be factory assembled. (b) Net cut out should be 320 KVA after considering all due derating factor. (c) DHPP 'N' will be provided by the contractor for testing of DG Set for 12 hours continuous testing of full load . (d) The foundation of DG set shall be provided by the contractor as per manufacturer specification and as directed by GE, the cost of the same shall be deemed to be included in the rate quoted by tenderer. (e) Dismantling and taking out old U/S DG set deposit to MES store yard . (f) Accesories 01 no standard mechanical and electrical tool box to be provided by contractor without extra cost of department. (g) DG set shall be sound proof as per latest policy. (h) First filling of engine oil/lube oil filters, coolants and other consumables items should be arranged by Contractor for testing of DG set. (j) Top up of engine oil / lube oil, coolants and other consumables items shall be arranged and provided by Contractor.

(k) The testing of DG set in presence of IEM or inspecting officer detailed by Accepting Officer shall be the responsibility of Contractor. (l) The Contractor shall be provide two nos of MS Steel drum of capacity 210 litres for which cost deemed to be included in quoted rate. (m) Contractor shall arranged testing engineer of OEM from starting of testing of DG set till succesful testing of DG set. The Contractor must be present during testing hours at site till succesful completion of testing of DG set. (n) The DG SET shall confirm to ISO 8528, IS/IEC60034-1, ISO1460, ISO3046, ISO9001, ISO13018 & ISO8528-1 (o) The Alternator must have Advanced Digital AVR as per OEM design and recommendations.

Earthing complete with galvanised steel earth plate electrode 600x600x6 mm, burried vertically in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of plate vertically to a depth not less than 1.5m below ground level, connected to galvanised steel strip32x6 mm dia of any length as required at site, by means of bolts, nuts, check nuts and washers of galvanised steel, earth lead wire encased in and including 40mm bore GI medium grade pipe for protection of GI strip 20 mm dia watering pipe medium grade including charcoal dust and common salt packed all around the earth plate, including necessary excavation and earth work in any type of soil /strata all as per electrical plate No 3 of SSR Part-I and connected to earthing test point all as specified or indicated and testing on completion including funnel with wire mesh, earthing chamber with PCC (1:2:4) type B-1 using 20mm graded stone aggregate, 80 mm thick precast RCC 1:1.5:3 type A-1 cover duly reinforced with XPM (weight not less than 3 kg/sqm) and frame including all excavation and earth work etc. all as specified. Note : (i) Earth chamber shall be constructed at least 1.50 metre away from the top of earth electrode, the earth pit and pipe for watering shall be provided in slanting manner. (ii) GI protection pipe included in the rate of this item.

Supply, laying, jointing and testing cable XLPE screened PVC insulated bedded galvanised steel strip or wire armoured, electric power cable 1100 Volts grade with stranded aluminium conductor of size 300 Sqmm 3.5 Core, complete all as specified and directed.

SHAHJEE FRIDGE SERVICE (BID ID -3170112)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3166851)