Public Works Department Tender

Supplying of 3 phase, 415 volts, 50 cycles, 0.8 power factor for electric starting diesel generator comprising the following units:- (Kirloskar/ Leyland/ Ruston/Greaves Cotton/ Cummins make) water cooled and shall be of multi stroke, multi cylinders, cold starting, developing not less than127BHP under normal temperature and pressure. The engine shall conform to I.S. 10002 with latest amendments. It shall be capable of taking 10% over load for one hour in every 12 hours of continous operation including 6 Nos. of anti vibration pads.The engine shall be complete with the following accessories:Electrical starting provision, engine cooling fan, fuel and lubricating oil filters, oil bath, air filter, lub oil pressure gauge 250 litres capacity fuel tank mounted with engine, hour meter with exhaust manifold, flexible pipe, 12 /24 volts electric starting equipment complete with starter, alternator and two numbers of 12 volts with 21plates battery of make AMCO/ STANDARD/ EXIDE/ DAGANITE (with Guarantee cards) of adequate capacity and low lubricating oil pressure/high temperature varying engine shut down devices.The Acoustic enclosure shall have the following: Acoustic enclosure shall be powder coated and fabricated out of 16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Powder coating is done after seven tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for control panel.Base frame is fabricated either in ISMC channel or in sheet metal.

Powder coating is done after seven tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for control panel.Base frame is fabricated either in ISMC channel or in sheet metal. The silent canopy shall be of nut bolt type construction. Powder coating is done after seven tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for control panel.Base frame is fabricated either in ISMC channel or in sheet metal. The base frame is rugged in construction and designed for mounting engine and alternator, with cross members mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure and it is having provision of lifting hook for convenient lifting of complete set, i.e. along with canopy, engine and alternator.Fuel tank shall be fabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections of suitable capacity.The Acoustic enclosure shall be Type test approved as per CPCB norms. The average sound level, when measure in green field condition (ISO m3744 OR 8528 PT 10) at 1-meter distance from all four sides shall be less than 75-dBA average or as per CPCB norms.

The average stabilized hot air temperature rise with in the canopy is maintained with in 10 C over and above ambient temperature.Acoustic enclosure is suitable for Outdoor / Indoor installation. Lockable doors shall be provided. Lockable fuel filling arrangement to be provided external to the canopy. Residential Silencer is housed in the canopy. The exhaust gasses shall be taken out through a suitable flexible pipe to prevent any back pressure on the engine.Base frame sturdy, fabricated welded construction, channel iron / sheet metal base frame for mounting the above engine and alternator.Standard Tools and Spares:Double ended spanners complete set (small and big size sets) - 12 Nos. (TAPARIA/ GEDORGE/ EVEREST make) Screw driver (30cm long) Taparia make .Screw driver (45cm long) Taparia make .Cutting plyer.Diesel filter with elements - 2 Nos.Oil filter with elements - 1 No.All the above accessories with complete set.AlternatorThe alternator shall be of Crompton/ Kirloskar/ Stamford/ ELGI make, self excited, self regulated, screen protected, drip proof alternator with static excitation system capable of developing 100 KVA at 0.8 power factor 415 volts, 3 phase, 50 cycles, generally conforming to I.S.4722 under normal condition, the voltage regulation will be plus or minus 5% of rated voltage. It shall be with end shield/ball roller bearings complete.Control PanelA wall/pedestal mounting (cubical type) fabricated sheet steel construction suitable for manual operation, rated for system output incorporating the following devices/instruments. The panel is made of 1.6mm sheet with one/two hinged front door, bolted back totally enclosed and vermine proof. It shall be with all electrical connections and internal copper wiring with proper color codings for internal wiring.