PROVISION OF 62.5 KVA DG SET FOR STATION CELL, VETERAN BRANCH AND LEGAL CELL AT NEW CANTT UNDER GE(WEST) PRAYAGRAJ.

Amount

Silent/containerzed diesel engine driven generating set complete to give an output of 62.5 KVA AC 415 Volts, 50 Cycles per second, 3 phase 4 wire supply with power factor 0.8, 1500 RPM diesel engine and alternator mounted on common base plate, anti vibration rubber mounting pad (AVM Pads "B" series) complete in all respect with and including accessories and components as specified below including sound proof integral accoustic enclosure for 62.5 KVA Gen Sets ECO friendly and as per Ministry of Environment, forests notification 17 May 2002 complete including, emergency stop button, illumination inside canopy, Temperature sensor for high temp safety, exhaust fan etc complete as per IS 4722, AMF type with relay panel for automatic starting on mains failure. (a) Diesel Driven Engine (Prime mover):- Multi cylinder, vertical/horizontal, 4 stroke cycle, suitable for 62.5 KVA alternator, water cooled conforming to BSS- 649 rated for continuous running diesel engine suitable to FF matching BHP at 1500 RPM as per latest ISS/BSS, capable of taking 10% over load for any one hour in any 06 hour running, complete with and canapoy thickness minimum 3.00 mm including following accessories:- (i) Fuel filter (ii) Governor ( Electronic) (iii) Complete battery set with lead & lugs as recommended by manufacturer. (iv) Lubricant oil cooler (v) Lubricant oil pump. (vi) Lubricant oil filter (vii)Digital oil pressure gauge (viii) Any other parts as prescribed by manufacturer for its good functional performance.

(ix) Battery charging alternator suitable for charging Batteries. (x) Dry type air filter (xi) MS channel fabricated frame rigidly welded suitable for receiving the diesel engine and alternator and anti vibration pads. (xii) Coupling guard. (xiii) Exhaust pipe fully extended to exhaust gases outside the acoustic enclosure including silencer and necessary insulation lagging all as per manufacturer's recommendations. (xiv) Fuel tank of MS sheet and of capacity for 12 hours running on full load with inlet and outlet connection, filling cap, drain valve, air vent with caliberated scale on outer surface, floor mounted with suitable angle iron supports. (xv) Digital type RPM meter with hour meter. (xvi)Self starter of suitable size (xvii) Turbo charger (xviii) In line mono block (xix)Fuel pump (xx)Digital type Coolant temp gauge. (xxi)Self starter with auto electric start accessories (xxii) Engine safety low lubricant oil pressure and high coolant temperature. (xxii) Test certificate. (b) Alternator:- 62.5 KVA at 0.8 PF self excited self regulated with fast response thyristor type, 3 phase 50 Hz 415 Volts, 1500 RPM 4 wire alternator, screen protected drip proof free from commutation problem, continuous rating confirming to IS-13364(Part-2) complete with automatic voltage regulator output voltage regulated between + 1% of set volts from no load to full load.

(xiv) Battery charger suitable to charge the battery of 12 V/24 Volt DC with buck/ boost system - 01 No (e) Supply & install of Acoustic Enclosure suitable for 62.5 KVA DG set as under (i) Fabricated out of CRCA sheet of of minimum thickness 3.15mm. Polyster based powder coated internaly and externaly with lockable type door handle. All nuts and handles shall be zinc coated. (ii)The doors are gasketed with EPDM gaskets. (iii) Sound proofing with high quality rock wool/ mineral wool confirming to IS 8183 of 50mm thickness and density at 96 Kg/M3 covered with fiber glass cloth and perforated powder coated sheet specialy designed allenuators (Sound controller) at air entry and exit of the container noice level shall be not exceed 75 Db at 1 meter distance as per CPCB/Government of India Norms. iv) Adequate ventilation to meet air requirement for combustion and heat removal with provn of a blower. v) Emergency stop push button outside the container. vi) Provn of light inside the canopy i.e. providing LED light fitting 1 x10 Watt with wiring and control switch. (f) MOUNTING ARRANGEMENT- Prime mover and alternator shall be mounted on skid mounting type base frame fabricated from ISMC channel or in sheet metal providing common bed for engine and alternator directly coupled together the base frame has provision for grouting on foundation bolt as well as fixing on vibration mounts provision is made in base frame for tilting arrangement of DG set as recommended by manufacturer. The base frame shall have provision of lifting hook for convenient lifting of complete set ie along the canopy engine and alternator. (g) cost of constr of PCC plinth of DG Set as per manufuacture design and recommendation deemed to be included in this item.

Excavating in trenches in soft/loose soil n.exc 1.5 m wide and n.exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc exc 10 sqm on plan and n.exc 1.5 m in depth and getting out as I soft/ loose soil complete all as specified and directed

Returning filling in, including spreading levelling, watring and well ramming in layers n exc 25 cm complete all as specified and directed

Removing excavted material n exc 50 m and depositing where directed at level n exc 1.5 m above the staring point as soil complete all as specified and directed.

Sand cushioning (dry sand) to under ground cable for cable protection in layers of 23cm thick ( 8 cm thick before laying of cable and 15cm thick after laying of cable) in trenches complete all as specified & directed. Note:- Only puned layers shall be measured.

Material and labour for old size brick well burnt sub class 'B' Designation 75, laid flat, for cable protection complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60mm×60mm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. as complete all specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sq mm 3.5 core complete all specified and directed.

Electromech Engineers

Natwadia Electrical Company

ASIA ENGINEERING WORKS