|
Supply, Erection And Commissioning Of 58.5 Kva-46.80 Kw Diesel Generator Set In The Office Of The Deputy Collector Revenue, Collectorate Campus, Karaikal.- 1 Supplying of 3.5x95 sqmm underground cable complete.- suitable for (60HP to 75HP pumpset) / (above 40KVA to 75KVA Genset). 2 Laying of UG cable and providing termination of cable joint with suitable cable gland,cable socket etc., complete -3.5 x 120 sqmm cable. 3 Making earth pit of G.I. pipe for earthingin earth pit with 40mm dia. G.I. pipe medium class of length 3.05m perforated with 46 Nos of 12mm dia. holes, pipe lowered in bore holes of 150mm dia. and filled in with charcoal and salt in alternative layer of 300mm, the top of G.I. pipe shall be clamped. Earth pit shall be provided with 60cm dia precast ring with 60cm depth alround,covered with R.C.C. precast slab etc. as per I.E. standards. 4 Supplying and fixing of copper flat (25 x 3mm) for earthing arrangements including bolts and nuts etc. 5 Supplying of 3 phase, 415 volts, 50 cycles, 0.8 power factorfor electric starting diesel generator comprising the followingunits: - liquid cooled with CRDI fuel system and shall be of multi stroke, multicylinders, cold starting, developing not less than 74 BHPunder normal temperature and pressure. The engine shallconform to ISO:8528 with latest amendments. It shall be capable of taking 10% over load for one hour in every 12 hoursof continuous operation including 6 Nos. of anti-vibrationpads.The engine shall be complete with the following accessories : Electrical starting provision, engine cooling fan, fuel and lubricating oil filters, oil bath, air filter, lube oil pressure gauge 200 litres capacity fuel tank mounted with engine, hour meter with exhaust manifold, flexible pipe, 12 /24volts electric starting equipment complete with starter, alternator and one 12 volts with 21 plates battery of make (with Guarantee cards) of adequate capacity and low lubricating oil pressure/high temperature varying Engine shutdown devices.The Acoustic enclosure shall have the following: Acoustic enclosure shall be powder coated and fabricated outof 16 SWG CRCA MS sheet. 6 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 anddoors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shallbe provided to canopy; one door shall have glass window for control panel. Base frame is fabricated either in ISMC channelor 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 haveprovision 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 baseframe. It is duly painted and fitted with inlet and outlet connections of suitable apacity.The Acoustic enclosure shall be Type test approved as per CPCB norms. The average sound level, when measure in green field condition (ISO m3744 OR8528 PT 10) at 1-meter distance from all four sides shall be less than 75-dBA average or as per CPCB norms. 7 The average stabilized hot air temperature rise with in the canopy is maintained within 10 C over and above ambient temperature. Acoustic enclosure is suitable for Outdoor / Indoor installation. Lockable doors shall be provided. The average stabilized hot air temperature rise with in the canopy is maintained within 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 anopy. Residential Silencer is housed in the canopy. The exhaust gasses shall be taken out through a suitable flexible pipe toprevent any back pressure on the engine. Base frame sturdy, fabricated welded construction, channel iron / sheet metal baseframe for mounting the above engine and alternator.Standard Tools and Spares: Double ended spanners complete set (smalland big size sets) - 12 Nos. Screw driver (30cm long). Screw driver (45cm long). Cutting plyer. Diesel filter with elements -2 Nos.Oil filter with elements - 1 No. 8 All the above accessories with complete set. Alternator: The alternator shall be of self-excited, self-regulated, screen protected, drip proof alternator with static excitation system capable of developing 58.5 KVA at0.8 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 shallbe with end shield/ball roller bearings.complete. Control Panel-A wall/pedestal mount(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 frontdoor, bolted back totally enclosed and vermin proof. It shall be with all electrical connections and internal copper wiring with proper colour coding for internal wiring. 9 All controlequipment and indicating instruments shall be mounted on the control panel. The control panel shall have the following equipments:1 No. Amps/Volt/Frequency meter (96mm x 96mm) 3 Nos. of suitable current transformers 2 Nos. of suitable selector switches for voltmeter and ammeter main switch rotary type on/off pilot lamp .1 No. input terminal board.1 No.output terminal board1 No. Kilowatt hour meter (58.5 KVAand above)1 No. MCCB of suitable capacity -58.5 KVA / 46.8 KW Generator set (liquid cooled) (Make: KIRLOSKAR / GREAVES COTTON / CUMMINS) 10 Providing and fixing of fire safetyequipments comprising 1 No. of 4.5 kg ofCO2 fire extinquisher 1m x 2m x6mm thickrubber mat shock proof of superior qualitywith two numbers of 10 litres capacity fire buckets (red colour) with M.S. stand arrangements etc.) 11 Charges for transporting, erection, testing and commissioning of generator set excluding foundation, but including mechanical and other unskilled wages for installation of equipment, wiring from generator set to panel board and change over switches, handling charges, purchase of spares if any required for the installation and commissioning, the cost of fuel and other materials for a trial run of 6 hours. - From 30 KVA to 50 KVA job 12 Providing and fixing of 4 pole change over switch of STANDARD/HAVELLS/KUNDAN/ GEM make including M.S. frame as per I.E. standard.-100 Amps(Upto 50 KVA 13 Providing and fixing 50 mm dia GI pipe (Class B) conforming to IS 1239 (Part 1:1990) with GI fittings including trenching, refilling etc., complete for UG cable duct. 14 Laying of under ground cable direct in ground including metal road cutting, excavation of earth, sand cushion, brick protection, back filling etc., complete. -above 50 sqmm 15 Providing, laying and jointing UPVCpipes(Finolex / jain / Supreme / Truebore / Nandi) (0.6 Mpa)conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment,including cost of solvent cement,UPVC specials such as bends,tees, threaded pieces, couplers, reducer, endcaps etc., complete all as per IS and CPWD specification. - 63mm dia.
|
