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| 1 | Fabricating and supplying ‘Silent Type\" CPCB IV+ norms compliant Diesel Generating set alongwith Prime Power Rating of 30 kVA, 415 voltsat 1500RPM,0.8 laggingpowerfactor at415Vsuitablefor50Hz,3 phasesystemandconsistingofthe followings as per OEM standards.(a) Diesel Engine: CPCB IV+ compliant Dieselengine with 3 cylinder, 4strokewatercooled ,electric start, of minimum 36 BHP at 100% Load factor at 1500 RPM suitable for above output of alternator at 40 Degree C, 50% RH&at1000MeterMSLandconformingto BS 5514, BS 649, IS 10000 (with latest ammendments), capableof taking 10% over loading for one hour after 12 hours of continuousoperation.The enginewill be fitted complete with all the required accessories with charging alternator and battery charger.(b) Engine mounted Instrument Panel fitted with and having digital display for following: (i)Start-stop switch with key (ii) Water temperature indication (iii)Lubrication oil pressure indication (iv)Lubrication oil temperature indication (v) Battery charging indication (vi)RPM indication (vii)Over speed indication (viii) Low lubricant Oil trip indication (ix)Engine Hours indication(c) Alternator : Synchronous alternator rated at 30 kVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging powerfactorat 40 Degree C, 50% RH & at 1000 Meter MSL. The alternator shallbehavingSPDPenclosure,brushless, continuous duty, self-excited and self-regulated through AVRconformingto IS:4722/BS2613 (with latest ammendments) for tropicalconditionsandwith class-H insulation.(d) Base Frame & Foundation: Both the engine and alternator shall be mountedon suitablebaseframe madeof MS channelwithsuitable amount of reinforcement which shall be installed on suitablecementconcrete foundationand vibration isolationarrangement as per recommendations of manufacturer. (e) Fuel Tank: Dailyservicefueltankof 120 literscapacity or capable of giving minimum continuous run of 8 hours, fabricated out ofminimum 3 mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MSclass\"C’ pipesofsuitabledia.Complete with valves,level indications&accessories as required as per CPWD specifications.(f) Exhaust System: Dryexhaust mainfold with exhaust silencer and Diesel Oxidation Catalyst.(g) Starting System: 12VDCstartingsystem comprising ofstartermotors:voltage regulatorand arrangementfor initial excitation complete with suitable AH capacity battery (lead acid type) as required as per OEM standards.(h) Accousticandweatherproofenclosurewith arrangement for fresh air intake for cooling of the engine& alternator,extraction,discharging hot air in to the atmosphere as per CPWD specifications. |
| 2 | Fabricating and supplying automatic mains failure control including auto by-passpanel,suitablefor 30 kVAsilent typeDGset completewith relays,timers,set ofCTsformetering&protectionandenergy analysertoindicatecurrents,phaseandline voltages,frequency,powerfactor, kWh, kVArh& provisionforoverload,short Circuit, restrictedearthfault,underfrequency,control cablingfrom AMFpaneltodiesel engineand elsewhereifrequired,allcompleteandinter locking including the following as per OEM standards:(a) 2Nos.50 Amp. 3pole MCB (b) Auto/Manual/Off selector switch(c) 2 Nos. over voltage relay, 2 Nos. reverse power relay and 2 Nos. under voltage relay(d) 3 Sets of current transformers 15 P 10 accuracy protection and 15 VA class-I for metering(e) Energy analyser unit to indicate current voltage frequency power factor and kWh(I) Indicating lamps for load On mains and load on set(g) Fuse for instruments(h) Battery charger,complete withtransformer/ rectifier,D.C. voltmeter and ammeter, selector switchfortrickle,offandboostandcurrent adjustment.(i) Main supply failure monitor(j) Supply failure timer(k) Restoration timer(I) Control unit with three impulse automatic engine start/stop and failure to start lockout.(m) Impulse counter with loct‹ing and reset facility.(n) ON/OFF/Control circuit switch with indicator(o) Audio/Video annunciation for (i)High water temperature (ii) Low lubricating oil pressure (iii) Engine over speed (iv)Engine fails to start (v) Full load/maximum load warning |
| 3 | Construction of cement concrete floor / foundation (APCC(1:2:4, M-20 grade) foundation of weight 2.5 times the operating weight of the Genset with enclosure or as recommended by the Genset manufacturer OEM/OEA, whichever is higher. The foundation should be min 300 mm high from the ground level. The length and breath of foundation should be at least 250mm more on all sides than the size of the enclosure comprising of following: |
| 4 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 cement : 4 fine sand derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) as sub-base foundation. (DSR Civil 2023 4.1.8) |
| 5 | Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm. On plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m as directed by Engineer-in-Charge (DSR Civil 2023 2.1) |
| 6 | Centering and shuttering including strutting, propping etc. and removal ofform for foundations, footings, bases of columns, etc, for mass concrete (DSR Civil 2023 4.3.1) |
| 7 | Providing and laying in position cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) as foundation for the DG set. (DSR Civil 2023 4.1.3) |
| 8 | Construction of shed to protect the DG set from rainfall: |
| 9 | Structural steel work riveted, bolted or welded in built up section, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coating of approved steel primer all complete. (Civil DSR 2023 10.2) |
| 10 | Providingandfixingprecoatedgalvanisedironprofilesheets(size,shapeandpitchof corrugationasapprovedbyEngineer-in-Charge)oftotalcoatedthickness0.50mm(base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. (Derived from Civil DSR 2023 12.50) |
| 11 | Providingandfixingprecoatedgalvanised steel sheet roofing accessories of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with Zinc coating 120 gram per sqm as per IS:277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/self tapping screwscomplete:Ridges plain (500-600 mm) (Civil DSR 2023 12.51.1) |
| 12 | Providing and laying in position cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) for the foundations of the steel struts. (DSR Civil 2023 4.1.5) |
| 13 | Earthing with G.I. 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..(DSR 2022 Item no.5.4) |
| 14 | Providing and fixing 25 mm X 5 mm GI strip in 40 mm dia G.I. pipe from earth electrode including connection with GI nut, bolt, spring, washer excavation and re-filling etc. as required.(DSR 2022 Item no.5.11) |
| 15 | Providing and fixing 25 mm X 5 mm GI strip on surface or in recess for connections etc. as required.(DSR 2022 Item no.5.15) |
| 16 | Supply of PVC insulated and PVC sheathed XPLE power cable of 1.1 KV grade armoured UG aluminium conductor cable conforming to IS 7098 part 1 with up-to-date amendment of the following size as required.: CABLE SIZE 3½ X 35 SQ.MM |
| 17 | Supply of PVC insulated and PVC sheathed XPLE LT control cable of 1.1 KV grade armoured copper conductor cable conforming to IS 7098 part 1 with up-to-date amendment of the following size as required.: CABLE SIZE 10 x 2.5 SQ.MM |
| 18 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. Upto 35 sq. mm. (clamped with 1 mm saddle) (DSR 2022 -Item no.7.7.1) |
| 19 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. Upto 35 sq. mm.(DSR 2022 item no. 7.5.1) |
| 20 | Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. .direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. 63 mm dia (OD-63 mm & ID-51 mm nominal) (DSR 2022 item no. 14.16.1) |
| 21 | Installation testing and commissioning of DG set of 30 kVA and suitable AMF panel with all the necessary electrical connections as required at FSD Palwal |
