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| 1 | Supply, Installation, testing andcommissioning of 30 kVA , 3 phase ,415 V AC Silent type Liquidcooleddieseldrivengenerating set conforming to CPCB 4 / latestnormscomprisingofradiator,4strokemulti cylinder engine of having minimum 37 BHP at 1500RPM coupled to deliverratedkVAatprevailingsite conditions equipped with flywheel, residential type silencer, fuel governor, fuelpump,builtinfueltank,electric startingequipmentwithrequirednos of minimum 75AH sealed maintenance free batteriesetc.,directlycoupledto30 kVA0.8PF,alternator of same make as engine suitablefor3 phase, 4 wire 50Hz AC supply system with the entire system mounted on common base frame etc. on an existing foundation,exhaust piping with thermal insulation, acoustic enclosure, control wiring from Alternatortocontrolpanel,AMF panel of same make as engine having remote monitoring system availavle from the OEM as specified and consisting of the followings and as per specification given below etc. as required. |
| 2 | Diesel Engine: One number Diesel Engine multi-cylinder,four stroke, liquid cooled, electric start, turbo charged typeengine suitable for developingtherequiredBHPat1500 rpm, suitable for above output of alternatorat40ºC,50%RHandat 1000MetreMSLandconformingto BS 5514, BS 649, IS:10000, ISO 8528 Part I with upto date amendments/ norms, capable of taking 10%overloadingfor onehour after 12 hours of continuous operation completewith common baseframe, Anti vibration mountings, radiator, starting equipment,batteries, residential type silencer and other accessories etc. as required and as specifiedinthedetailedspecificationenclosed. Governing Class (As per ISO 8528 part-V); Noise Level < 75 dBA/ CPCB NORMS ; Fuel Consumption-(in Litres/Hr) ; At 75% Load-maximum 6; Fuel Tank Capacity-minimum 60 L ; Weight of Gen Set with Canopy-minimum 750 Kgs (or as per Manufacturer standards) ;Electrical Battery Starting Voltage-12 V DCEngine Specifications- Rated Output (Prime Rating as per ISO 8528)-24 kW/37 HP ; No of Cylinders-03;Rated Speed at 1500 RPMAspiration - Turbo Aspiration after cooled;Lube Oil Sump Capacity Minimum 7 L; Coolant Capacity-Minimum 9 L, DEF Capacity - As per the manufacturerAlternator: Insulation-Class H ; Efficiency at (100% Load)-0.8 pf (As per Standards IS 4722, IEC 34-1)-minimum 90% or as per manufacturer ;Max time to build Rated Voltage at Rated RPM-Voltage Recovery TIme-2 sec |
| 3 | Engine mounted instrument panel fitted with and having digital display for the following: Start- stop switch with Key, Water/ liquid temperature indication, lubrication oil presuure indication, Lubrication oil temperature indication, Battery charging Indication, RPM indication, Over Speed indication, Low lubrication oil trip indication, engine Hours indication. |
| 4 | Alternator: One number synchronous alternator ratedat30kVA,415 voltsat1500 rpm, 3phase,50Hz.ACsupply with0.8 lagging power factor at 40ºC, 50% RH and at 1000 Metre MSL. The alternatorshallbehavingSPDP enclosure,brushless,continuousduty, self-excited (AREP Based) and self-regulated through AVR conforming to IS: 4722/BS 2613 suitable for tropical conditions and with class H insulation |
| 5 | Base Frame & Foundation:Both the engine and alternator shall be mountedonsuitablebaseframemade ofMSchanneldwithnecessary reinforcementwhichshallbeinstalled on suitable cement concrete foundation and vibration isolation arrangement asper recommendations of manufacturer.(Price of foundation needs to be quoted seperately at sr. no. 07) |
| 6 | Fuel tank:Inbuiltdailyservicefueltankaspe manufactures specification complete withallstndardaccessoriesandfuel pipingbetweenfueltankanddiesel engine,completewithvalves, levelindicator and accessories as required as per specification attached. |
| 7 | Exhaust system:Dry exhaust mainfold with hospital exhaust silencerandcatalytic convertor |
| 8 | Starting System:12V/24V DC starting system comprisingofstartermotor,voltage regulatorandarrangementforinitial excitation, complete with required nos of suitable batteries as required and as per specification. |
| 9 | Acoustic Enclosure:Acousticandweatherproofenclosure witharrangementforfreshairintake forcoolingoftheengineand alternator,extraction,discharginghot airintotheatmosphereasper specification attached. |
| 10 | Remote monitoring system : The DG set should have provision of remote monitoring system available from the make same as Alternator,AMF,Engine which share real time genset information and location service which can be accessed via Mobile or Desktop |
| 11 | AMF Panel: Supplying, installation, testing and commissioning of automatic mains failure control including auto By pass panel of 16 SWG CRCA sheet with suitable rating of copper/ aluminium bus bar as approved by Engineer in Charge, suitable for 30 KVA silent type DG site complete with relays, timers, set of CTs for metering & protection and energy analyser to indicate currents, phase and line voltages, frequency, power factor, KWH, KVARH & provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF Panelto diesel Engine and else where if required all complete and inter locking includingthe following |
| 12 | 50 Amps. (minimum) FourpoleMCCB,withrotaryoperating mechanism with phase barriers - 2 nos. (For mains and alternator) or as per manufacturers requirement or as per directions of engineer-in-charge. |
| 13 | 60 Amps (minimum) ,FPpowercontactor - 2 sets (For mains and alternator)with interlocking arrangement or as per manufacturers requirement or as per directions of engineer-in-charge. |
| 14 | Microprocessorbasedautomatic mains failure function unit for emergency and stand by power supply system having under voltage, over voltage and single phasing protection and other standard features - 1 no. |
| 15 | Micro processor based IDMT relay for three phase over current + earthfault - 1 set. |
| 16 | Energyanalyserunittoindicate, current,voltage,frequency,power factor and kWh |
| 17 | Phase indication lamps for DISCOM and Generator - 1 Set |
| 18 | Emergencytripswitch, Auto/Manual/Offselectorswitch, trickle/boost charger switch and SMPS battery charger unit complete with transformer, rectifier, DC Voltmeter and ammeter, off and boost and current adjustment etc. - 1 Set |
| 19 | BakeliteHRCfuses/ MCBandcontrol wiring for the entire system - 1 Set |
| 20 | Indicating lamps for load on mains and load on set - 1 Set |
| 21 | Fuse for instruments - 1 Set |
| 22 | Earthing with G.l. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/coke and salt as required. |
| 23 | Supplying and laying 25 mm X 5 mm G.l strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.l. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.l. nut bolt & spring washer spaced at 50mm) |
| 24 | Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 25 | Providing foundation and platform for the Rated capacity Silent type DG set (As per item No.1 ) so as to place the DGSet conforming to specifcation including earth work, exacavation, ramming, providing foundation for plinth with mix of 1:4:8 (1 Cement : 4 coarse sand (zone-III): 8 graded stone aggregate 40 mm nominal size derived from natural sources), including centring & shuttering, brick work with common burnt clay FPS(non modular) bricks with Cement mortar , Steel reinforcement for R.C.C. work,foundation work, cement plaster work,as per attached drawing and as per directions of engineer-in-charge. |
| 26 | Providing and fixing precoated galvanised iron profile sheets of total thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with zinc coating complete upto any pitch in horizontal/ vertical or curved surfaces with Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc. withmild steel round holding down bolts with nuts and washer plates complete as per requirement for the Rated capacity Silent type DG set (As per item No.1 ) as per direction of engineer-in-charge. |
| 27 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade with two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture. |
| 28 | Supplying ofXLPE Armoured cable with aluminium conductor of 1.1 KV grade conforming to IS:7098 (Part- I) 1988 with up to date ammendments of the following sizeas required. 3.5 x 50 sq. mm |
| 29 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.Above 35 sq. mm and upto 95 sq. mm |
| 30 | Laying of one no. PVC insulated, PVC Sheathed XLPE/ power cable of 1.1 KV grade on wall Surface etc. as reqd. (clamped with 25/40X3mm MS flat clamp)Above 35 sq.mm and upto 95 sq.mm |
| 31 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3½ X 50 sq. mm (35mm) |
| 32 | Supplying and fixing of light class G.I. pipe of 100 mm dia. (nominal) 3 metres length along the pole for protection of under ground cable as required. |
