WBPWD/EEBED/NIQ-27/2020-21

Amount

Supply , delivery at site on foundation , commissioning of 62.5 -KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Engin & Acoustic Enclosure having following specifications :-

ENGINE

Make : Cummins/Greaves/Kirloskar/Ashok Leyland

Engine Type : 4 Stroke Diesel Engine

Rated Output : 80 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator/ Aircooled

Cylinder : 4

Aspiration : Turbo Charged

Type of Governer : Electronic/ Machnical

Fuel Tank Capacity : Minimum capacity 140 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 12 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 16 Ltr./ Hr. or Less

Overload Capacity : 10% overload for one hour for every 12 hours continious running at full load or better

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

Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Water Temp. warning/ Shutdown, Sensor failure Indicator, Engine overspeed indicator, Battery charging and low battery indicator

Exhaust Silencer : Residential Type

Starting system : 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/Crompton Greaves /Kirloskar/ Ley Power

Rating : 415 V., 3Ph. 50 Hz., 62.5 KVA, 1500 rpm

Type : Brushless, self excited and self regulated

Insulation : Class H

Protection : screen-protected drip proof with Min.IP-23 degree of protection

Voltage Regulation (max) : ±1%

Winding connection : Star with Neutral

Total Distortion factor : Less than 3%

Total Harmonic distortion in output waveform : < 5%

AMF PANEL

Cubical type floor mounted AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 62.5 KVA DG set having following specification/features.

i) 125A 36KA MCCB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. - 2Sets

ii) In Built mannual By-Pass switch capacity 100A

iii) On -delay timer for load change over

iv) On-delay timer for engine shut off

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

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

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

x) 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

The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustict 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.

Supply and delivery of 415V, 82.5 KVA, 50Hz,3ph silent Diesel Generator set (Make-Mahindra Powerol/ LayPower/ Greaves Power/ Kirloskar Green) comprising of Engine, alternator, AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Acoustic Enclosure incl.all interconnection between Generator & AMF Panel etc. having following specification - A) ENGINE a) Make - Mahindra/ Layland/ Greaves/ Kirloskar b) Output (Prime) - 104 HP. c) Aspiration - Turbocharged & aftercooled air cooled. d) No of Stroke & Cylinder- 4 stroke, 4/6 in line cylinders. e) RPM -1500. f) Battery - 1 x 12V, 65 AH Dry type/Mfg standard. g) Type of cooling - Liquid cooled / Air cooled h) Air intake system - Air intake manifold with air filter system. i) Exhaust system - Provided with turbo charger & residential exhaust Silencer with flexible bellow and companion flanges inside the acoustic enclouser. j) Coupling & fly wheel - Be fitting coupling, fly wheel and flywheel housing. k) Lubricating system - Provided with oil pan, engine mounted lube oil pump and lube oil filter along with first fill of lube oil.

l) Fuel system - Comprising of MICO / reputed fuel pump with electronic Governor, 12 V solenoid coil and replaceable fuel Filter. m) Starting system - 12 V D.C. electric starter and 12 V Battery charging Alternator. n) Safety control - Comprising of protection against Low lube oil Pressure trip, High water temperature trip and Emergency stop switch. o) Power Start Control - Provided with Microprocessor based generator set monitoring & control system mounted in the Genset control Panel Engine will run in Auto/Manual mode both.

B) ALTERNATOR Make - Stamford/Leroy Summer/Crompton/ Kirloskar Rating - 82.5 KVA, 0.8pf(Lag) Voltage regulator - +/_ 1 % (max) in static conditions. Type of alternator -Permanent Lubricating Single Bearing, Brushless, self excited and self regulated through an AVR Protection - IP: 23 protections with class H insulation. Overload - Permissible over load of 10 % for one hour in 12 hours of operation.

D)Base Frame - Engine and alternator are mounted, coupled and aligned on a common channel iron fabricated base frame with pre-drilled holes through AVM pads.

E)Fuel Tank - Capacity 190 ltrs. (minimum) Made of 14 SWG sheet metal built inside base frame complete with drain valve, air vent inlet and outlet connection, fuel gauge.

F) Acoustic Enclosure - Sound proof, weather proof environmental friendly CPCB-II approved, made of powder coated sheet steel to maintain noise level below 75dB(A) at a distance of 1 metre from acoustic enclousre under free field condition and provided with hinged gasketted doors with suitable locking arrangement.

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 Delivery/12 months/ 5000 Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/5000 Hrs, whichever is earlier.

Rates to be quoted will be inclusive of all the taxes incl. GST. No other additional charges will be applicable in addition to the quoted rates.

Mega Enterprise

Elmech Engineers, Kolkata

S. N. ENTERPRISE