Public Works Department Tender

Supply, Installation, Testing and Commissioning of silent Diesel Generating set of 160 KVA, 128 KW, 415V, 50Hz AC, 0.8 lagging 3 phase, Diesel engine generating Minimum 200 bhp/128 KW, direct injection, water cooled engine, 6 cylinder, in - line, 4 stroke, rated at 1500 RPM having the following :- Digital electronic governor, In line fuel pump, optimized turbo charger air-to air cooled, stainless steel exhaust exhaust flexible coupling, silencer, as per standards laid down by MOEF / CPCB IV + norms for sound and Emission norms , Radiator, coolant inhibitor, plate type lube oil cooler, spin on filter - coolant fuel and lube oil, Dry type heavy duty replaceable, paper element air cleaner with restriction indicator, Flywheel housing and flywheel to suit single bearing alternator, electrical starter motor having \Battery charging alternator, First fill lube oil, Base rail with integral fuel tank 350 lts. capacity with fuel level indicator to be provided with drain plug, air vent, inlet and outlet connection, manhole etc, Charged batteries of capacity 150 AH,2 x 12V of make Exide, should have metering for RPM, Battery Voltage, lube oil pressure, coolant temp, Running powers protection for low lube oil pressure, High water temperature,High / low DC voltage, weak battery, Overspeed, Fail to crank, Fail to start, Sensor failure etc. complete as required should be of approved makes Alternator Brushless type screen protected, self regulated, self excited, operating on 3 phase, 415 volts, 50 Hz, 4 wire, alternator of rated 0.8 power factor, Class of insulation class H, Voltage regulation 1% standard enclosure IP23, winding pitch 2/3 Pitch, Starter winding double layer lap, Rotor dynamically balanced, Metering for 3 phase voltage L-L and L-N, 3 phase current, Frequency, Protection for under voltage, over voltage, Over current, Under / Over frequency, Loss of sensing, Field overload should be of approved makes THE ACCOUSTIC ENCLOSURE:- The Generator shall be branded with fire retardant Acoustics enclosure shall be sound proof, and specially designed to meet stringent MOEF / CPCB IV + norms Designed to have optimum serviceability, Air inlet louvers specially designed to operate at rated load even at 50 deg. C air intel temperature. The enclosure shall be constructed out of 14 SWG or higher thickness CRCA sheet duly powder coated for long lasting service life and superior finish with hinged type doors with insulation of foam/rock wool of 26-28mm thickness placed in 16 gauge GI perforated sheets, The body of the enclosure shall have suitable glass windows for viewing suitable for housing the DG set and the accessories like batteries with cables and AVM pads. The fuel tank and the control panel shall be placed in the enclosure. \First Aid kit and Chart may be submitted along with the generator. The engine and alternator shall be mounted on a common M.S. fabricated base frame with AVM pads.

Earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories and providing masonry enclosure with CI/RCC cover having locking/lifting arrangement and watering pipe etc. (but without charcoal or coke and salt) as required as per the Earthing Drawing provided by the Engineer-Incharge.The scope of work includes the following: a) Excavation of pit of size 1.0x1.0x 3.0 mtrs(min) and disposal of excavated soil. c)Watering GI pipe 20 mm Class B with funnel as per specs. d) Charcoal/salt as per specs ( paid seperately). e) Refilling the pit of size 1.0x1.0x 3.0 mtrs(min) with soft black agriculture soil of minimum resistivity i/c transportation. e)Masonary chamber with proper foundation cover plate and locking arrangement. f) Testing of earth value with earth megger and certifications of its value. g)watering arrangement (plumbing will be paid seperately).;(b) In rocky strata

Extra for using salt and charcoal for GI or copper plate earth electrode as required( 96 Kgs of Charcoal and 5 Kgs of Salt)