SPECIAL REPAIR / REPLACEMENT OF DG SET AGAINST BER UNDER GE JHANSI

Amount

1. Supply, install, test and commissioning of silent type Diesel engine driven Generating set of capacity 320 KVA/256 KW, 3 phase, 415 Volts, 50 Hz, at 0.8 pf(lag) with Diesel Engine, Alternator and control panel all mounted in acoustic enclosure complete confirming to the detailed specifications as given below :-

(a) Diesel Engine : The diesel engine shall be of capacity suitable for alternator of capacity 320 KVA/256 KW developing required power for rated KVA not less than 386 BHP at 1500 RPM, 6/8 cylinders, 4 stroke, radiator cooled, continous duty with 10% overload capacity for any one hour in 12 hours of continuous running and consisting of following:- (i) Radiator cooled (ii) Electrical Starter Motor 24V DC. (iii) 2 Nos x 12 V batteries, 180 AH rating with connecting leads and terminals (iv) Battery Charging Alternator (v) Fuel System with electronic governor (vi) Full flow Spin-on lube oil filter (vii) Duel fuel filter with water seperator (viii) Residential type silencer (ix) Dry type air cleaner (x) Fly wheel and fly wheel housing (xi) First fill of lube oil & Coolant Make : Ashok Leyland / Cummins / Kirloskar / Greaves Cotton

(b) Alternator : The Alternator shall be of capacity 320 KVA/ 256KW, 415 Volts, at 0.8 pf(lag), 50 Hz, 3 phase, 4 wire system, suitable for operation at 1500 RPM. The Alternator shall be brushless type, screen protected, revolving field, self excited, self regulated through an AVR, copper wound, having ±1.0% voltage regulation (max) in static conditions and continous duty operation. Make: Stamford / Jyothi / Kirloskar / Crompton Greaves

(c) Mounting Arrangement : Engine and Alternator shall be mounted on a common MS fabricated base frame with Anti Vibration Mounting Pads

(d) Fuel Tank Integral fuel tank shall be of capacity not less than 810 Litres and provided with drain plug, air vent, inlet and outlet connection, level indicator and provision for cleaning.

(e) Control Panel : Control panel shall be made out of CRCA sheet and is powder coated for weather-proof and long lasting finish. The control panel should be consisting of the following parts:- ƒƒ(i) Microprocessor based generator set controller unit with LCD display designed to meet the demands of today’s engine driven generator sets (ii) Aluminium bus bars of suitable capacity with incoming/ outgoing terminals ƒƒ(iii) Indicating lamps for ‘Load ON’ and ‘Set Running’ (iv) ƒƒInstrument fuses duly wired and ferruled (v) ƒƒMCCB of suitable rating with overload and short circuit protections

(f) Acoustic Enclosure : The entire generator, prime mover, fuel tank and DG set control panel should be housed in a sound proof acoustic enclosure made of CRCA sheets with UV resistant powder coated and a structural/sheet metal base frame. The walls of the enclosure should be insulated with high quality noise absorbant and fire-retardant grade acoustic insulation material complying to IS 8183 for better sound attenuation so as to comply with the 75 dBA at 1 mtr sound levels at 75% load under free field conditions as specified by MOEF/CPCB. The enclosure should be provided with the following:- (i) Suitable doors on all sides to enter in to the container for easy maintetance. All doors shall be provided with locks and handles for opening/ closing doors. (ii) Suitable internal lighting to carry out easy inspection and maintenance. (iii) Air Inlet louvers designed to operate at rated load. (iv) Fluid drains for lube oil and fuel. (v) Fuel filling point with locking arrangement. (vi) Push button for emergency stop Make : Cummins / Greaves Power / Kirloskar Oil Engines Ltd (KOEL Green) / Ashok Leyland

Note for Item No 1 :- (i) PCC foundation for DG set as per manufacturer's recommendations shall be measured and paid separtely under relevant items of Schedule 'A'. (ii) On successful installation, the DG set shall be subjected to load test as specified below :- Phase-I : No-load test for 01 hour in the presense of Engineer-in-Charge. Phase-II : Load test for 12 hours continuously (at 25% of full load for fist one hour, 50% of full load for second one hour, 75% of full load for third one hour, 100% load for next 08 hours and 110% of full load for last one hour). Resistive type load bank or Water Load, Fuel and testing instruments as required for load testing shall be arranged by the contractor and cost of the same shall deemed to be included in the quoted rate. (iii) Phase-II load test shall be carried out in the presence of testing officer nominated by accepting officer or IEM.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in soft/disintegrated rock all as specified and directed.

Material and labour for PCC 1:4:8 Type D2 (40mm graded stone aggregate) as in base concrete for DG set foundation complete all as specified and directed by Engineer-in-Charge.

Material and labour for PCC 1:2:4 Type B1 (20mm graded stone aggregate) including necessary form work for DG set foundation complete all as specified and directed by Engineer-in-Charge.

Supply, laying & testing of cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 1100 volts grade conforming to IS:7098 Part - I of size 240 sqmm, 3.5 core complete all as specified and directed by Engineer-in-Charge.

Material and labour for earthing complete with galvanized iron earth plate electrode 600mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level connecting to GI strip of size 32 x 6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth strip protected by 50mm dia GI pipe medium grade and connected to DG Set / Panel Board all as shown in electrical plate No 3 of SSR Part-I(2009) and testing on completion complete all as specified and directed. Note : The unit rate quoted shall also include for excavation, earth work in any type of soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bras @ 150mm C/C both ways, GI funnel with watering pipe, wire mesh, earth lead & protection pipe upto 7.50m long complete in addition to item No 1(a) to (e) of preamble (Notes) under sub heading earthing, specified in SSR Part II.

Supply and fix Onload change over switch 630 Amps, 4 Pole, AC 415 V, 50 Hz in sheet steel enclosure with front operated handle complete all as specified and directed by Engineer-in-Charge. Make: L&T / Hanger / HPL / C&S

national engineering

FTH Traders

MONA GENERATOR SEVICES PVT. LTD.

UNIVERSAL ENGG CO

ELITE WORKS

m/s ramesh saran agarwal

HARNAM SINGH ANIL SINGH

jay maa engineers

M/S National Automobiles