SITC of DG Set

Amount

(A) DG : Supply, delivery at site on foundation commissioning of 320KVA, 415V, 50 Hz, 3 phase comprising of Engine, alternator, separate AMF panel, Base Frame, Fuel tank Battery CPCB-II approved Engine & Acoustic Enclosure including Trasportation loading and unloading of the DG set having following specifications :(Make : CUMMINS / KIRLOSKAR / GREAVES POWER / ASHOK LEYLAND).

ENGINE

Make : CUMMINS / KIRLOSKAR / GREAVES POWER / ASHOK LEYLAND.

Engine Type : 4 Stroke Diesel Engine

Rated Output : 400 BHP or Higher

Duty : PRIME

Cooling : Water Cooled with radiator.

Cylinder : 8 , V- type

Aspiration : TA

Type of Governer/Class of Governing : Electronic/G3

Bore (mm) x Stroke (mm) : 130 x 150

Compression ratio : 16.8

Displacement (litre) : 13.38

Over Speed Trip(rpm): 1650

Air Cleaner type/Qnty.: Dry/02

Exhaust System: Maximum allowable back pressure, Kpa- 5.5+0.5

Charging alternator voltage /current(DC): 24V/44Amps

Starter Motor rated Voltage (DC):-24

Battery voltage(DC)/Capacity(Ah): 24V, 2*180AH

Fuel : High Speed Diesel

Fuel Tank Capacity : Capacity850 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 57.7 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 76.5 Ltr./ Hr. or Less

Lube oil sump capacity- (litre) : 50

Oil Charged Peiod(Hrs)-500

Oil Consumption (% of SFC)- Less than 0.2%

Oil Grade- API C14

Oil Cooler- Water Cooled

Radiator System Capacity incl engine (L)- 110L

Water Pump- Centrifugal belt driven

Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, cooling oil temperature Indicator, RPM indicator and hour meter.

Safety Controls : Emergency Stop, Low lube oil pressure, High/Low coolant temperature, Over speed, Battery Over/Under/Weak Volts, Fail to crank/start, Sensor failure

Exhaust Silencer : ƒHospital grade silencer suitably optimised to meet stringent noise emission standards laid down by MoEF / CPCB

Starting system : 2 X 12V starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.

Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning

ALTERNATOR

Make : STAMFORD / KIRLOSKAR GREEN / GREAVES POWER

Rating : 415 V., 3Ph. 50 Hz., 320 KVA, 0.8 (lagging) , 1500 rpm

Current rating @0.8PF(Amps)-445.2

Type- 4 Pole , Rotating field

Exciter Type- Brushless( Permanent magnet option)

Insulation : Class H

Leads: Qnty, type:- 6, fixed,12 re connectable (optional)

Voltage Regulation- Solid State

Temperature rise- 125 Deg C (Class H)

Voltage Regulation :-No load to full load : 2 phase sensing ±1%

Bearing: Qnty , type- 1, Sealed

Coupling:- Flexible disc closed coupled

One Step load acceptance: 100% of rating

Maximum Unbalanced Load across phases : less than or equal to 25%

AMF & DG PANEL

Manufacturer's make Cubical type floor mounted AMF panel and DG panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 320 KVA DG set including multi-core control cable and other accessories as required having following secification / features.

i) 445A , 50 KA FP MCCB with LSIG protection and necy interconnetion etc. - 2Sets( Make- L&T/ Schneider)

ii)445A , 50 KA FP Contactor withAC1 duty and U/V realse arrangement . - 2Sets ( Make- L&T/ Schneider)

iii) 445 A on load front operated TPN change over Switch with necessary cu bars and cable connection to bypass the AMF system in emergent cinditions.

iv) In Built By-Pass switch for rated capacity

V) On -delay timer for load change over

vi) On-delay timer for engine shut off

vii) Engine On-Off switch (Push button type)

ix) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.

x) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.

xii) Microprocessor based relay with composite meter for digital display of following.

Generator voltage/AC Mains voltage.

Generator Current in all phases

Frequency

Power Factor

Energy

Indication for alternator supply

Running time indications number of hours of operation and service intervals, service due indications

The AMF panel must be designed to ensure trouble free performance and ensure switching over Electrical Load to DG within 15 (fifteen) second from the instant of mains failure.

ACOUSTIC ENCLOSURE

ƒThe DG set should have integrated acoustic enclosure at the manufacturer state itselt. High quality acoustic enclosure must be certified as per CPCB-II norms

BASE FRAME

Common iron Channel fabricated base frame containing the Engine and alternator, mounted on AVM pads and having provision for lifting hook.

Making 6000mm x 2500mm x 1500mm (250mm below & 750mm above the ground level) PCC foundation by providing RCC block 150 mm base foundation (ratio 1:2:4) with 3mm thick smooth cement finish including construction of blue scope roofing shade supported onsteel stuucture consisting of atleast 4(four) vertical supports and adequate horizontal support made up of iron pipes with water prof painting on primer, capable of providing protection against rain for the DG having following dimension 3300mm x 1300mm x 2670mm (height). (approx)

S & F of exhaust gas piping of suitable dia welded black 150mm dia MS class B pipe incl. all necessary bend supports and clamps anti vibration mounting insulation of exhaust system with 50mm thick mineral wool covered with wire mesh and aluminium cladding ( from DG sets to top of the building plus 3mtr or as per CPCB) for 320 KVA DG set as per direction of EIC.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets / thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts.

Connecting the equipments body to earth busbar including S & F 65mm x 8 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments ncl. drilling holes, with bolts, nuts, washers etc.

Supply & delivery of CO2 type fire extinguishers conforming to IS 15222-2002 and cylinder fully charged of 4.5 Kg capacity (Make- Fire Shield / Ceasefire)

TERMS & CONDITIONS

(i) Rate should be quoted inclusive of all applicable taxes and Duty etc.

(ii) All materials, equipments & accessories must conform to relavent IS /IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(iii) Nacessary manufacturer's test certificate for Desiel Engin, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

(iv) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competant Authority (As per CPCB-II).

(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer/OEM.

(vi) The entire set must be warranted atleast 15 months from the date of commissioning

(vii) During commissioning, the DG set has to be made to run for atleast six hours at a stretch on atleast 75% load at the cost (cost of fuel, operator and technical personnel) of the agency entrusted with the work and the agency will have to provide permanently multi-core control cables as required with allied accessories including laying of the same before commissioning of the DG set.

Elmech Engineers, Kolkata

M/S EASTERN ENGINEERING