WBPWD/EE-I/CKHED/NIT-47/ 19-20 (2nd call)

Amount

Supply, delivery at site foundation, commissioning of 415V, 50Hz, 125 KVA, 3 phase silent new DG set, comprising of Engine, alternator, AMF panel, Base frame, integral Fuel tank, Battery, CPCB-II approved Engine & Acoustic Enclosure having following specifications :-

Engine:-

Make: Cummins/ F.G. Willson / Volvo Eicher

Engine Type: 4 Stroke Diesel Engine

Rated Output: 159 BHP or Higher

Duty: PRIME*

Cooling: Water cooled with radiator*

Cylinder: 6

Aspiration: T.A.

Type of Governer: Electronic

Fuel Tank Capacity: Minimum capacity 230 Ltrs.

Fuel consumption at 75% rated Load with Radiator or Fan: 23 Ltr./ Hr. Or Less

Fuel consumption at 100% rated Load with Radiator or Fan: 31 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 Ehgine Water Temp. Warning/ Shutdown, Sensor failure Indicator, Engine overspeed indicator, Battery charging and low battery indicator

Exhaust Silencer: Residential Type

Starting system: 12V/24V starting system complete with starter motor, charging alternator with rectifier and cutout as per manufacture standard.

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

Alternator:-

Make: Stamford/ Leroy Somer/ Catepillar

Rating: 415V, 3 Ph, 50Hz, 125KVA, 1500rpm

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 then 3%

Total Harmonic distortion in output waveform: < 5%

AMF Panel:-

Cubical type AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 125 KVA DG set having following specification/ features.

i) 250A, 4pole power contactor

ii) In Built By-Pass switch for 250A capacity.*

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 troble 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.

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 specification. The DG set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

iii) Nacessary manufacturer's test certificate for Diesel Engine, 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 fro AMF Panel must be submitted from Manufacturer/ OEM.

vi) The entire set must be warranted atleast 15 months from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/ 5000 Hrs, whichever is earlier.

INSTALLATION WORK:

Making M.S. Grill cover all around the D.G. Set having size 4.5(H)x 2.4(W) x 3 mtrs(H) with12mm x 12mm size M.S. Sqr. Bar. Grill cover must be openable from all sides for further maintenance. The Top will be covered by colour coated galvanized corrugated steel sheet of minimum thickness 0.50mm ( TATA/Jindal)

Supply and Installation of exhaust pipe line connection with class C MS black pipe 150mm (6”) dia ISI approved, necessary nuts, bolts, washer, gasket incl. electrical welding where necessary.(For 125KVA)

S&F 150mm dia MS heavy type long bend

S&F 150mm dia MS heavy type 'T'

S&F 150mm dia MS plug.

Painting the 150 dia MS black pipe by Aluminum paint of two coat over the RO primer. Approved make.

Wrapping the 150 mm Exhaust pipe line with Al. sheet high quality with necessary wire mesh & 50mm thick glass wool. as per direction of EIC.

S&F rain protection canopy for 150mm Exhaust pipe.

Hire charges for scaffolding by bamboo required rope of square type arrangement for smooth working & carriage of MS black pipe by vertical run & dismantling at the end of work.

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft 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 for providing masonry 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 mortar (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

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

S&D of HSD for testing & immediate run of DG set. Incl carrying charge

Supply & Laying of cable up to 150 sqmm through suitable size angle iron structure on wall with GI sheddle incl. mending good the damages and painting as per GS.

2 nos run 4 core 150 sqmm Al. XLPE/PVC Armoured cable (Havells/ Gloster/ Polycab) (For 125 kva)

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cable as below :

4 core 150sqmm Al. XLPE/PVC Armoured cable

Supply & Laying of 4X 185Sqmm ( 925/.5) multiatranded flexible single core copper cable through 80mm dia PVC conduit recess on floor.

Finishing the end of following sizes armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials

4 core 150 sqmm Al. XLPE/PVC Armoured cable

185Sq mm heavy duty long barrel copper socket.

Supply and laying of 12core 2.5sqmm copper Armoured control cable,after cutting floor/pavent/wall/and making holes incl. Embedding the cable at an average depth as 75mm and mending good the damages to original finish incl. Removing the rubbish

Supply and laying of 2core 6sqmm copper Armoured control cable, after cutting floor/pavent/wall/and making holes incl. Embedding the cable at an average depth as 75mm and mending good the damages to original finish incl. Removing the rubbish

Supplying & fixing sheet metal (16 SWG) Iron Clad Busbar chambers (500X300X150mm) on angle iron frame on wall, incl. earthing attachment and painting as required. Dimenssion of cu bar 85mm long is 4X50X5mm with 500V , 415A Capacity.

S &F 415V, 415A TPN on load front operated Change over switch load with sheet steel enclosure on flat iron/ angle iron frame on wall with nuts, bolts etc. incl. . S & F 3nos DIN type HRC fuse as per rating. Make- L&T.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture proof entry of XLPE/PVC armoured cable as below.

12 core 2.5Sqmm Armoured cable

2 core 6Sqmm Armoured cable

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying dowells make sockets, tapes.

12 core 2.5Sqmm Armoured cable

2 core 6Sqmm Armoured cable

Terms and condition

The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them.

Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill.

If any refurbished material is supplied and installed, penal action will be taken as per existing rules

Defect Liability period 1 (One) Year

(Rates should be Quoted inclusive of all taxes & duities and L.W.C. @ 1% as applicable)

Sohum Industrial Sales Corporation

CENTRAL ELECTRIC CO.

NARAYAN CHANDRA DAS

C. CHOWDHURY AND CO