Public Works Department Tender
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Public Works Department - PWD Tender
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date2 Nov 2024
Closing Date13 Nov 2024
Tender Amount₹ 14,26,985
Costs
EMD
₹ 28,600Document Cost
₹ 500Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_PWD_94882_1Bid Award Id
ViewTender No
NIT No. 4115-40 dated 25/10/2024Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://hppwd.hp.gov.in/
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Documents
BOQ Items
Engine mounted Instrument Panel fitted with and having digital display for following:
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(i) Start-stop switch with key
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(ii) Water temperature indication
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(iii) Lubrication oil pressure indication
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(iv) Lubrication oil temperature indication
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(v) Battery charging indication
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(vi) RPM indication
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(vii) Over speed indication
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(viii) Low lub. Oil trip indication
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(ix) Engine Hours indication
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(X) Turbo charger
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Alternator :
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Synchronous alternator rated at 58.5 KVA 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 Degree C, 50% RH & at 1000 Meter MSL. The alternator shall be having SPDP enclosure, brushless, continuous duty, self-excited and self-regulated through AVR conforming to IS: 4722/BS 2613 suitable for tropical conditions and with Class -F/H insulation . The voltage regulation should be (+/-)1% at all load between no load to full load & factor 0.8 to unity with extended cable Termination Box. having Aluminium Bus -Bar of suitable cross section shall be able to accommodate 2 Run of 3.5 Corex400Sq.mm. XLPE cable . The alternator should be of Stamford/Kirloskar/ Leroysomer/ Mitsubishi /Caterpillar/Meccalte make only).
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Acoustic Encloure Base Frame & Foundation:
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Specially desigined to meet stringent MoEF/CPCB IV+ norms of 75 dBA @ 1 mtr with conopy under free conditions. The acoustic enslosure is made CRCA sheets in munsel and structural/sheet base frame painted in black high quality noise absorbant and fire-retardant grade acoustic insulation material (P.U foam) complying to IS 8183. Both the engine and alternator shall be mounted on suitable base frame made of MS channel The foundation should be designed safe bearing capacity of soil. The depths of Plain cement concrete foundation is minimum 200 mm and foundation height should be at least 300 mm above the ground level. The length and breadth of foundation should be at least 250 mm more on all sides than the size of enclosure.The Gen set should be mounted on Anti vibration isolation arrangement as per recommendations of manufacturer.
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Fuel Tank:
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Daily service fuel tank of 150 + liters capacity 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. There should be provision of fuel tank of fuel guage ,which should be show the level of the fuel even when the DG set is not running . the guage should be calibrated .The fuel tank should be filled from the outside as in automobiles and should be with a lockable cap. Complete with valves, level indications & accessories as required as per specifications.
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Exhaust System:
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Dry exhaust mainfold with hospital exhaust silencer and catalytic convertor.
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12V DC starting system comprising of starter motors, voltage regulator and arrangement for initial excitation complete with suitable 1 no of battery (25 plates, 120 Amp/ Hour capacity lead acid type) or as per OEM including 50 sqmm copper cable .The battery should be accommodate in battery rack as required as per specifications.
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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 tubes 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.
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AMF PANEL
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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:
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2 Nos.4 pole MCCB 100 AMP for D.G and main Contactor
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2 nos. Mains and DG Contactor 100 amp
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Auto/Manual/Test/Off selector switch
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2 Nos. over voltage relay, 2 Nos. reverse power relay and 2 Nos. under voltage relay.
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3 Sets of current transformers 15 P 10 accuracy for protection and 15 VA class-I for metering
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Energy analyser unit to indicate current voltage frequency power factor and KWH
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Digital ammeter, voltmeter
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Indicating lamps for load on mains and load on set
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Fuse for instruments
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Battery charger, complete with transformer/ rectifier, D.C. voltmeter and ammeter, selector switch for trickle, off and boost and current adjustment.
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Main supply failure monitor
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Supply failure timer
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Restoration timer
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Control unit with three impulse automatic engine start/stop and failure to start lockout.
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Impulse counter with locking and reset facility.
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ON/OFF/Control circuit switch with indicator
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Audio/Video annunciation for
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(i) High water temperature
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(ii) Low lubricating oil pressure
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(iii) Engine over speed
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(iv) Engine fails to start
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(v) Full load/maximum load warning
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vi Signal cable appropriate size
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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.
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1140753
1140753
Supply,Erection,Installation and commissioning of Uniearth maintenance free chemical earthing system consisting of environment friendly ground enhancing compound 'G.E.C' 50kg or as required at site having anticorrosive and hygroscopic properties to replace excavated soil. It should consist of Uniearth copper bonded electrodes, as per site conditions and soil resistivity at various depth levels and different terrains. The electrodes should have coating of 250 microns of molecularly bonded pure electrolytic copper(99.9%) in 2 meter length,17.2 mm diameter,terminal joint 200X25X6mm Cu Strip with exothermic welds. The electrode should be duly tested and certified by CPRI for 30kA short time current test for 1 sec rms.
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18498
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Supplying and laying 25 mm X 6 mm G.I. strip at 0.50 below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring washer etc. as required (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm).
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Providing, laying and fixing of PVC round sheathed 4 core 2.5 sqmm copper conductor flexible cable for voltage grade up to 1100 volt , as required complete in all respect. Make :-Finolex/Havell/Polycab/KEI asapproved by the Engineer-in-charge.
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Supplying and fixing of following sizes of Heavy class FRLS PVC conduit with wall thickness minimum 2.00mm along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.Diplast/BEC/Polyfit. as approved by Engineer-In-Charge
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25 mm
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3960
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:-
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Armoured cable 50sq. mm (3.5 core)
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769
38450
Provding and refilling of high speed diesel for 58.5 KVA DG SET complete in all respect.
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14190
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 D.G. set ,the breakdown should be check & rectify within 24 hour by service engineer.
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145140
145140
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