Airports Authority Of India Tender

SH:1- DG Set

Providing, Installation, Testing and Commissioning of ‘Silent Type’ Diesel Generating set along with having Prime Power Rating of 250kVA, 415 volts at 1500 RPM, 0.8 lagging power factor at 415V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor CPCB4+ complaint as ammended upto date and consisting of the followings: (a)Diesel Engine : Diesel engine of 4 stroke water cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at 40 Degree C, 50% RH & at 1000 Meter MSL and conforming to BS 5514, BS 649, IS 10000 ammended upto date, capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be fitted complete with all the required accessories. (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) RPM indication.(vi) Over speed indication.(vii) Low lub. Oil trip indication.(viii) Engine Hours indication. ix) Battery charging indication. (c)Alternator: Synchronous alternator rated at 250kVA, 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. (d)Base Frame & Foundation : 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. (e)Fuel Tank : Daily fuel service tank fabricated out of 3mm thick MS sheet complete with al standard accessories and fuel piping between fuel tank and diesel engine with MS 'C' class pipes of suitable dia complete with valves, air vent tap, drain plug, level indicator & accessories as requires. (f) Exhaust System : Dry exhaust manifold with residential type exhaust silencer, catalytic convertor and alongwith required length of heavy duty MS exhaust pipings duly insulated and claded as per Technical specifications.. (g)Starting System : 24V DC starting system comprising of starter motors, voltage regulator and arrangement for initial excitation complete with suitable no's of batteries (25 plates, 180 Amp. Hour capacity lead acid type) as required as per specifications. (h)Acoustics and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere as per the specifications and standard design of manufacturer.

Supply, installation, testing & commissioning of Calibrated HSD buffer/service tank, rectangular MS (IS:226) construction with 990 liters capacity complete with flanged inlet & outlet, overflow, drain, vent, mechanical level indicator, 450mm dia Access hole on top with cover, flame arrestor. Tank will be made out of 3mm MS sheet and will be provided with structural support to keep tank base at (2000mm) above FFL with access ladder arrangement, painting etc. complete as required.