WBPWD/SE/SWEC/NIQ74/2024-25

Amount

Supply , delivery at site on foundation , commissioning of 40 -KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Engine & alternator from the same manufacturer(Required authentic certificate),Base frame, Fuel tank, Battery, CPCB-IV+ approved Engine & Acoustic Enclosure [Make:- Jackson/Volvo /Catterpiller/Greevs Cotton] having following pecifications :-

ENGINE:- Make: Cummins/CATTERPILLAR/ Volvo/Greevs Power. Engine Type : 4 Stroke Diesel Engine, RPM : 1500 Rated Output : 53.1 BHP or Higher, Duty : PRIME, Cooling : Coolant Cooled Cylinder : 3 INLINE, Aspiration : Turbo Charged after cooled. Type of Governer : Common rail electronic injection system or electronic. Fuel Tank Capacity : Minimum capacity 102 Liters Diesel Tank , with Inlet & outlet arrangement with Drain Plug and Air vents. Fuel Consumption at 75% rated Load with Radiator or Fan : 7.33 Ltr./ Hr. or Less Fuel Consumption at 100% rated Load with Radiator or Fan : 9.73 Ltr./ Hr. or Less 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 : HOSPITAL GRADE TYPE Starting system : 12V, DC power srtarting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard. LOAD :Applicable for supplying power to varying electrical load for unlimited hours. Prime Power (PRP) is in accordance with ISO 8528.Engine should not derate at 50 degree ambient temperature. Battery : 12 V X 1, Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning

ALTERNATOR:- Make:Stamford / Leroy Somer/ Mecc alte Rating : 415 V., 3Ph. 50 Hz., 40 KVA, 32 KW, 1500 rpm. Type : Brushless, self excited and self regulated through an AVR. Insulation : Class High, RPM : 1500, Rated Current: 56 A 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 Harmonic distortion in output waveform : < 5%

AMF PANEL:- Separate Cubical type floor mounted standered AMF panel made from 14/16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 40 -KVA, 415V, 50Hz, 3Ø DG set having standered specification/features as per manufacturer. 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 with 11 tank process. High quality acoustict enclosure must be certified as per CPCB-IV+ norms.Top lifting for easy handling at customer site & Silencer must be inside the enclosure. Sound Level : <75 dBA at 1 meter distance 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 DIESEL for 40 KVA DG set .

Making 3500mm x 1800mm x 1000mm (500mm below & 500mm above the ground level) foundation with ordinary cement concrete mix. with graded stone chips of 20 mm down pakur variety laying concrete base ( 1 : 3 : 6 ) using 40 mm down stone metal & single brick flat solling of picked jhama brick incl. at shuttering work by 25 mm to 30 mm thick wooden plank also , rein inforcement with 8 mm dia steel TMT bars atleast 6 '' gap between to bars both side with 3mm thick smooth cement finish. this rate are incl. all materials , labour charges & carrying etc. (suitable for 40 KVA DG set).

Construction of a shed above the DG set with blue metal color-coated roofing sheets supported with a MS structure consisting of minimum 8 (Eight) vertical supports or heigher as required and adequate horizontal support made up of 14 SWG thickness MS Hollow Bar with primer coating for accommodating the DG Set and capable of providing protection against rain for the above DG set having approx. dimension 4000 mm(L) minimum or heigher as required x 2100 mm(W) x 2441mm (H). The shed should be two-part ( front and back side openings), with water proof painting on primer. As per direction of EIC.

MAA NACHINDA ELECTRIC (BID ID -6231207)

CHANDIMATA TRADERS (BID ID -6231219)