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| 1 | Supplying, Installation, Testing & Commissioning of ‘Silent Type Diesel Generating set as per CPCB IV + or better norms along with having Prime Power Rating of 58.5 KVA as below, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor, including testing at factory and site with fuel, load for test and other necessary arrangements Complete as per CPWD specifications, should have QR code which should contain drawing, test report OEM manual,Geo- Tag of manufacturing location, rating plate as per relevant IS Code etc. and consisting of the followings. The DG Set canopy should be DG Set OEM Maufactured only. |
| 2 | Diesel Engine: |
| 3 | Turbocharged Diesel engine 4 stroke water cooled, multi cylinder, dynamically balanced fly wheel, electric start of suitable BHP at 1500 RPM suitable for above output of alternator at 40 0C, 50% RH & at 1000 Meter MSL , capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be with Electronic governor, Dry type Air filter with service indicator, first filling of engine fuel (after commissioning) lubricating Oil, Coolant and other consumables complete with all the required accessories, the Electronic governor shall be as per ISO 8528.The engine shall comply to the latest CPCB norms (CPCB IV + or better) and Conforming to BS 5514, BS 649, IS 10000, IS 10002, IS 13018 and as per CPWD specifications.:- Kirloskar /Cummins/ Caterpillar/Volvo Penta/ Perkins/Mitsubishi/ Ashok Leyland make only. |
| 4 | Engine mounted Instrument Panel fitted with and having digital display for following: |
| 5 | (i) Start-stop switch with key |
| 6 | (ii) Water temperature indication |
| 7 | (iii) Lubrication oil pressure indication |
| 8 | (iv) Lubrication oil temperature indication |
| 9 | (v) Battery charging indication |
| 10 | (vi) RPM indication |
| 11 | (vii) Over speed indication |
| 12 | (viii) Low lub. Oil trip indication |
| 13 | (ix) Engine Running Hours indication |
| 14 | (X) Fuel Level |
| 15 | Alternator : |
| 16 | Synchronous alternator rated of appropriate 58.5 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 0C, 50% RH & at 1000 Meter MSL. The alternator shall be having Screen Protected Drip Proof (SPDP) enclosure IP23, brushless, continuous duty, dynamically balanced rotor, capable of taking 10% over loading for one hour after 12 hours of continuous operation, self cooled,self-excited and self-regulated through AVR conforming to IS13364(Part 2)/IS: 4722/BS 2613 suitable for tropical conditions and with class- H insulation.The alternator should be of Stamford/ Kirloskar/ Leroysomer/ Mitsubishi/ Caterpillar make only). |
| 17 | Acoustic Encloure Base Frame & Foundation: |
| 18 | Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendations of manufacturer. |
| 19 | Fuel Tank: |
| 20 | Daily service fuel tank of suitable liters capacity as per CPWD Specifications, fabricated out of 3 mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS class ‘C’ pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications. |
| 21 | Exhaust System: |
| 22 | Dry exhaust manifold with hospital type exhaust silencer and catalytic convertor. |
| 23 | Starting System |
| 24 | 12V DC starting system comprising of starter motors: voltage regulator and arrangement for initial excitation complete with suitable numbers of batteries (180 AH as per OEM capacity lead acid SMF type) as required as per specifications. The battery shall be housed inside the acoustic enclosure of DG Set. |
| 25 | Accoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere.There should be 2 nos 10 watt LED fixtures provided inside the enclosure controlled by a 5 amp switch for adequate lighting during service.The power supply to this luminaire should be load side of the AMF panel. as per specifications. |
| 26 | AMF PANEL |
| 27 | Fabricating, Installing, Testing & Commissioning of automatic mains failure control including auto by-pass panel, suitable for 58.5 KVA silent type DG set complete with relays, timers, set of CTs for metering & protection and energy analyser to indicate currents, Signal cable appropriate size, phase and line voltages, frequency, power factor, KWH, KVARH & provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF panel to diesel engine and elsewhere if required, all complete and inter locking including the following: |
| 28 | Suitable numbers and appropriate capacity 4 pole MCCB with electronic release for O/C & E/F and shunt trip. |
| 29 | Auto/Manual/Test/Off selector switch |
| 30 | Protection for under and over voltage phase reversal (2 nos Over voltage relay, 2 Nos. reverse power relay and 2 Nos. under voltage relay). |
| 31 | 3 Sets of current transformers 5 P10 accuracy for protection and 15 VA class-I for metering |
| 32 | Energy analyser unit to indicate current, Voltage( LN & L_L), kW, kVA (Phase & Total), Frequency, KWH, PF. |
| 33 | LED Indicating lamps for load on mains and load on set |
| 34 | Fuse/ MCB for instruments |
| 35 | Battery charger, complete with transformer/ rectifier, D.C. voltmeter and ammeter, selector switch for trickle, off and boost and current adjustment. |
| 36 | Main supply failure monitor |
| 37 | Supply failure timer |
| 38 | Restoration timer |
| 39 | Control unit with three impulse automatic engine start/stop and failure to start lockout. |
| 40 | Impulse counter with locking and reset facility. |
| 41 | ON/OFF/Control circuit switch with indicator |
| 42 | 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 |
| 43 | Protection for over/under Frequency, Loss of AC sensing, Over Current, Unbalancing load with suitable number of relays and accessories |
| 44 | Maintenance notification based on Engine Run Hour & due date. |
| 45 | Signal cable connections of appropriate size |
| 46 | Supplying and fixing exhaust gas piping of 3 inch dia. welded black MS, B Class pipe conforming to IS:3589 cut to required lengths and installed with necessary bends, supports and clamps, anti-vibration mountings, insulation of exhaust system with mineral wool/ Rockwool,50 mm thick wiremesh & aluminum cladding etc., as required as per specifications. |
| 47 | Providing and laying of one No. aluminium copnductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade direct in ground to be laid 1 Metre below the ground level including excavation and refilling the trench etc. as required, but excluding sand cushioning and prot ective covering :- Make Finolex/Plaza/Polycab as approved by the Engineer-In-charge. |
| 48 | Armoured cable 70Sq.mm (3.5core). |
| 49 | Providing, laying and fixing of one No. aluminium conductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade on surface etc. of the required size.Make:-/POLYCAB/ Havells /Plaza as approved by Engineer-in-charge. |
| 50 | Armoured cable 70 sq. mm (3.5 core) |
| 51 | Earthing with copper earth plate 600mmx600mm x3mm thick, including accessories and providing masonary enclosure with cover pl;ate having locking arrangement and watering pipe etc. (but with charcoal or coke and salt) complete in all respoect. make :- True power /Earth plus/Ashloka as per best satisfaction of Engineer-in -charge. |
| 52 | Providing and fixing 25x5mm copper strip on surface recess for earth connections etc. as required. |
| 53 | Providing and fixing following rating and breaking capacity MCCB in the existing cubical pannel board including drilling holes in the cubical panel, masking connections etc. as required (L&T/ABB/Legrand make) |
| 54 | 100 A Amp. |
| 55 | Providing and fixing following rating , four pole, on load change over switch unit , AC 23A duly, in sheet steel enclosure, with side handle operation, includiong drilling holes on the board , making connections etc. as required (100Ampp ) Type size F1 100A code CO11000OSOOA Conforms to IS 13947-II(L&T) P-29 May 2022/ABB/Legrand maske. |
| 56 | 100Amp. |
| 57 | Supplying and fixing copper strip bus-bars suitable for 100 Amp. 415 volts capacity 4 No. copper strip bus bars each of length 300mm & cross-sectional area (25.4mmx3.17mm), enclosure made from 1.6mm thick M.S., sheet will all accessoriers including connections, earthing the body etc. as required Havells make. |
| 58 | Supplying and fixing of following sizew of PVC conduit with the accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required AKG/BEC/D-Plast Heavy duty ISI make |
| 59 | 25 mm dia. |
| 60 | Excavation in foundation, trenches etc. in earth work, lift upto 1.50 Metres stacking the excavated soil not more than 3 Metres clear from the edge of the excavation and then returning the stacked soild in 15cm layers, when required into plinths sides of foundations etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed within in a lead of 20 metres, in pick jumper work. |
| 61 | Providing and laying P.C.C. cement concrete 1:4:8 (1cement:4sand:8 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work in Foundation and plinth. |
| 62 | Providing form work with steel plates 3.15 mm thick welded with angle iron in frame 30x30x5mm, so as to give a fair finish including centring, shuttering strutting and propping etc. with wooden batten and ballies, height of propping and centring below sipporting floor to ceiling not exceeding 4 mtr. and removal of the same for insitu-reinforced concrete & plain concrete wotk in: vertical surfaces such as walls (any thickness) partition and the like including attached plasters buttresses, plinth and string courses and the like. |
| 63 | Providing and Laying Reinforcement binding TOR in position 3.7cum @ 190Kg/cum=703Kg. |
| 64 | Providing and laying R.C.C. cement concrete 1:1.5:3 (1cement:1.5sand:3 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work in :Foundation and plinth. |
| 65 | Providing and fixing M.S. round holding down or anchor bolts with nuts and washer plates complete. |
| 66 | Providing, Laying and fixing of PVC round sheathed 4 core 2.5mmsq copper conductor flexible cable for voltage grade upto 1100 volts as required complete in all respects. Make:- Plaza/Finolex/Havells. |
| 67 | Providing and fixing MCCB enclousre for DU 100H/DU125H/ DU100D/DU125D/DNO) followinbg rating on the existing board complete as required .Make:- L&T/Legrand/ABB. |
| 68 | Provding and refilling of high speed diesel for 58.5 KVA DG SET complete in all respect. |
| 69 | Annual maintenance contract of 58.5 KVA DG SET for five years consisting of monthly visit to check the general condition of generator. Check and set operation parameters as specified by company. Service of engine will be carried out strictiy as per company norms.Engine oil volume 20 ltr capacity, filter, coolant, air filter ,fan belt, etc complete one service in a year will be carried out strictly as per company norms.check and monitor the performs during each visit.To check & ensure optimum performance of sub assembles of machine, fuel timming, tappet clearance etc, for engines and reset the same as require. To check & set all the fasteners, operation of warning devices, operational parameters of breakdown of engines.if any breakdown occure in dg set ,the breakdown should be check & rectify within 24 hour by service engineer. Please Enable Macros to View BoQ information |
