WBPWD/SE/SWEC/NIQ27/2025-26

Amount

SITC of 625/650 KVA , 415V, 50Hz, 3Ø silent type DG Set incl. full tank HSD oil, comprising of Engine, Alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-IV+ approved Engine & Acoustic Enclosure having following specifications :-

Engine:-Make : CUMMINS /Caterpiller/Kirloskar/Ashok leyland / Mahindra / Perkins / Koel / Greaves

Engine Type : 4 Stroke Diesel Engine

Rated Output : 763 HP or Higher

Duty : PRIME

Cooling : Coolant Cooled /Air Cooled As per manufacturer Standard

Cylinder : 6 or Higher

Aspiration : Turbo Charged

Type of Governor : Electronic

Fuel Tank Capacity : Minimum capacity 990 Ltrs or Higher

Fuel Consumption as per OEM standard

Overload Capacity : 10% overload for one hour for every 12 hours continuous 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 Coolant Temp. warning/ Shutdown, Sensor failure Indicator, Engine over speed indicator, Battery charging and low battery indicator

Exhaust Silencer : Hospital Grade

Starting system : 12V/ 24 V. 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

LOAD :Applicable for supplying power to varying electrical load for unlimited hours. Prime Power (PRP) is in accordance with ISO 8528

Alternator :-

Make: - Stamford/ Leroy Somer/kirloskar/ABB/Crompton/Mahindra

Rating :- 415 V, 3Ph. 50 Hz., 625/650 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%

Power Factor : 0.8 pf (lag)

Total Distortion factor : Less than 5%

AMF Panel :- ( CPRI APPROVED)

Cubical type floor mounted AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 625/650 -KVA, 415V, 50Hz, 3Ø DG set having following specification/features.

i) 1250A TP 50 KA EDO ACB Microprocessor based release for O/L,S/C & E/F Protection with U/V Release

ii) In Built mannual By-Pass switch capacity changeover.

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.

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 acoustic enclosure must be certified as per CPCB-IV+ norms.

Base Frame :-

Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.

Terms & Conditions :-

(i) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

(ii) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competent Authority (As per CPCB-IV+).

(iii) Circuit Diagram for AMF Panel must be submitted from the Manufacturer/OEM and should be approved by EIC.

(iv) The entire set must be warranted at least 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.

DG BASE & OVERHEAD STRUCTURE

Making 7800mm x 3300mm x 1000mm (250mm below & 750mm above the ground level) PCC foundation (ratio 1:2:4) with 3mm thick smooth cement finish including construction of blue scope roofing shade supported on steel structure consisting of atleast 4(four) vertical supports and adequate horizontal support made up of iron pipes with water prof painiting on primer,capable of providing protection against rain for the DG having dimension as per OEM stardard. (N.B. : The foundation & stracture drawings should be approved before commencement of work)

SUPPLY & INSTALLATION EXHAUST STACK

Supply & fixing of exhaust gas piping of suitable dia welded black 250mm dia MS class B pipe incl all necessary bend supports and clamps anti vibration mounting insilation of exhaust system with 50mm thick mineral wool covered with mesh and aluminium cladding ( from DG sets to top of the building plus 3mtr or as per CPCB IV+) for 625/650KVA DG set as per direction of EIC

S&F special type lattice (box) MS structure by MS angle of size 65 x 65 x 8 mm thick for 4 (four) nos main structure with 50 x 50 x 6 mm thick MS bracing incline nature properly welded and proper foundation 1 ft x 1 ft x 2 ft height for holding the MS structure in straight position during running of DG Exhaust pipe incl painting as per direction of EIC.

SUPPLY & LAYING OF CONTROL CABLE

Supply and drawing of 1.1KV grade 7 core 2.5 sqmm. PVC/Ar. copper cable for control circuit

Finishing the end of 2.5sqmm. PVC insulated copper conductor by crimping arrangement as to G.S

Excavation of morrum soil for installation of earth electrode and filling & ramming for morrum soil .

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 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.

Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe.

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Supply & delivery of best quality oil hand pump with 1" dia PVC flexible pipe (12' ft. approx.) (Brand approved by EIC)

S& delivery of 200 ltrs. Capacity barrel made of 2 mm thick MS Sheet.

DURGAPUR POWER (BID ID -7108029)

M/S S. CHATTERJEE (BID ID -7083892)