SITC of one no 400KVA silent DG sets along with separate AMF panel having by-pass arrangement and allied E.I works within the campus of Nabanna.

Amount

Supply, Installation Testing & commissioning as per direction of EIC (By manual operation and remote seperate AMF panel operation) of 400 KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, localized manual control panel, Base frame, Fuel tank, Battery, CPCB-II approved Engine & Acoustic Enclosure having following specifications :-

Engine:-

Make : CUMMINS / Cater Pillar / Volvo / MTU

Engine Type : un- line4 Stroke Diesel Engine

Rated Output : 487 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 6

Aspiration : Turbo Charged

Type of Governer : Electronic

Fuel Tank Capacity : Minimum capacity 450 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 67.45 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 88Ltr./ 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./ 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

Alternator

Make : Stamford / Leyroysomer

Rating : 415 V., 3Ph. 50 Hz., 400 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%

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 exclusive of all applicable taxes and Duty etc.

(ii) All materials, equipments & accessories must conform to relavent IS specifications.

(iii) Nacessary manufacturer's test certificate for Desiel 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 for connection with DG set and 140mtr remotely installed custom make AMF Panel must be submited from the manufacturer /OEM.

(vi) The entire set must be warranted atleast 18 months from the date of Delivery or12 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. 5 years engine critical part warranty.

SITC of LT 440V CPRI Approved cable trench mounted outdoor type cubical panel (Size 1400 (L) x 800 (D) x 1650 (H) all are mm) made by 2mm CRCS sheet, powder coated painting all round ISMC 100x75mm base frame as per approved design, direction of EIC & as per site condition with following materials & points, a) 630A 36kA 4P 440V microprocessor based control, 100% rated neutral pole, manually operated MCCB, with adjustable overload 0.4 to 1.0, 2 C/O aux contact, 1 C/O trip contact, spreader terminals - 2set (Make: L&T, Model D-sine MTX2.0 DN3-630N). b) Automatic Source Transfer controller having LCD screen, programmable i/o functions, automatic generator start / stop, controls on UV, OV, phase loss, asymmetry, minimum frequency, maximum frequency, time delay etc as required by EIC. (Make: L&T, model AuXC - 2000) - 1Nos

c) Stored Energy Electrically operated with manually operated MCCB's mechanism suitable to fit above two numbers DN3 type MCCB, with two numbers Auxiliary + trip contact for two MCCBs, mechanical interlock base plate. This two MCCB also electrically interlocked through above noated automatic source transfer controller i.e, AuXC - 2000. (Make: L&T). d) The input end of each 630A MCCB must be extended with electrolite Cu bars 4 x (2 x 40x5 ) with heat sink cover, SS nut-bolts-washers, each bar individually suported with epoxy insulators minimum two numbers. The Bus length & support should carry 4run 4C x 240sqmm Al, Ar cable termination.

j) 9A, 415V, TP, 1NO + 1NC contactor having 230Vac coil voltage - 5nos. k) 630/5A class 1 5VA CT (Make : Kappa / L&T / Selec) - 6nos. L) The auxiliary power of AuXC - 2000 should be either from UPS / inverter source (Primary), input 1 source and input 2 source (Secondary). m) One potential free contact for DG start / Stop required with LED indication. n) All control / metering / indication wiring must be done by the flexible copper wire 1.1kV gr. 1.5sqmm FR. (Make: Finolex) o) Provide necessary MCB channels, 4.0sqmm Elmex terminals, Elmex Channels, PVC wire tray etc as necessary required materials. p) Electrical Auto manual operation option by push button with contact blocks. q) S & F of output 24Vdc 10A SMPS type alkalyne battery charger having flote, boost, normal charging option, AN / AF cooling and input 230Vac - 1no.

S & F of ISMC 100x50mm MS channel duly welded with 6mm thick MS sheet / ISA 50x6 mm / necessary MS section as per direction of EIC. after necessary cutting, grinding, two cote synthetic painting, welding etc as per direction of EIC for support the panel at cable trench.

Charges for with-drawing or dismantling the existing cable trench cover or chequered plate and re-fixing the same after necessary cutting, grinding, making handle etc as per direction of EIC.

S & Laying of 1C x 120sqmm Cu unarmour XLPE insulated cable on existing cable tray. (Make: Polycab / Finolex)

Finishing the end of 1C x 120sqmm XLPE/PVC un-armoured Cu cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials.

Supply of following sizes 1.1kV gr., Ar, Multistand, XLPE insulated cable (Make: Glowstar / Nicco / Finolex / Polycab). Also, Laying of same following mentioned cable on existing cable trench / tray as per GS.

4C x 240sqmm, Al

10C x 2.5sqmm, Cu

Glanding & termination of following sizes Ar, XLPE insulated cable as per GS.

4C x 240sqmm, Al

10C x 2.5sqmm, Cu

Installation of exhaust pipe line connection with class 'B' MS black pipe 150mm (6”) dia ISI approved, necessary nuts, bolts, washer, gasket incl. necessary cutting, grinding, welding where necessary as per direction of EIC.

S&F 150mm dia MS black class 'B' heavy type long bend after necessary cutting, grinding, welding as per direction of EIC.

Painting the 150 dia MS black pipe by Aluminum paint of two coat over the single cote RO primer done. (EIC Approved make) after preparation the surface by paper / emery paper, cleaning etc after removing the welded-flux.

Wrapping the 150mm dia Exhaust pipe line insulated with minimum 50mm thickness with 64 kg/m3 density of rock wool wrapped with 24gauge / 0.51mm aluminum sheet cladding as per direction of EIC.

S&F rain protection canopy for 350mm 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.

Supply & Erection of MS ladder type support of 5mtr using 50mm X 6mm structure for exhaust pipe of length with sole plate in CC foundation (Proportion and dimension indicated below), having 600x600x150 mm thick CC (4:2:1) base block below sole plate/pole with hard jhama metal including CC (6:3:1) muffing 0.30 mts. dia and 0.30 mts. above ground level including 3 mm thick neat cemented finish and work-site including filling up the excavated earth pit with shifted soil and ramming properly

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.

Supplying & Carrying charges of diesel from nearest pump to the site. (For Testing & Commissioning purpose fuel dose not included in this item)

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.

The agency must produce drawing, data sheets etc (In four sets Hard-copy and auto-cad format in soft-copy) for each equipments, panels etc during execution of work / submission of bill.

S. A. ENTERPRISE

C. CHOWDHURY AND CO

CHAKRABORTY ENTERPRISE