WBPWD/SE/SWEC/NIQ70/2024-25

Amount

Supply, installation, Testing, and Commissioning of 82.5 KVA, CPCBIV+ complaint Silent Diesel Generating Set comprising of Engine, Alternator, AMF Panel, CPCB approved Acoustic Enclosure including all interconnections between generator & AMF Panel, etc. having the following specifications in the complete set.

Engine specification: Make: Cummins /Ashok Leyland/Greaves Power./KOEL GREEN Engine Power Rating KVA/KWe- 82.5/66, Gross Engine Power (HP)-- 104 HP or Higher. Stroke 4, No. of Cylinders 4, RPM 1500, Cylinder:- Configuration Inline, Method of aspiration-- TCAC/TCIC, Method of cooling-- Liquid cooled. Type of Governor-- Electronic/Mechanical, Starting system--- 12V DC Electric, Battery - As per manufacturer standard, Engine Protections - Low lube oil pressure/high coolant temp./over speed, Fuel System - Comprising of manufacturer's standard fuel pump with electronic governor, 12V Solenoid coil, and replaceable fuel filter. Exhaust System - Provided with turbo charger & residential/Industrial type exhaust silencer.

Engine Control Panel:- Microprocessor-based generator set monitoring and control system. AMF Functionality is inbuilt and that allows for complete generator set control and system metering, fault annunciation, configuration, and diagnostics. Features:- Remote Start-Stop Engine Metering: Oil pressure, Engine temperature, Starting battery voltage, Engine running hours AC Alternator Metering: L-L Voltage and L-N Voltage, Current (phase and total), kVA (phase and total), Frequency. kWh, Total &perphase (KW &KVA), PF, Utility Voltage and Freq. Engine Protection: Low lube oil pressure, High/ Low Coolant temperature, Battery Over/ Under/ Weak Volts, Failure to Crank/ Start, Sensor failure, Cranking lockout, Low fuel level AC Alternator Protection: Over/ Under Voltage, Over/ Under Frequency, Loss of AC sensing, Modbus interface (RS485 RTU), etc, and others as per OEM standard.

Alternator Specifications: Make: Stamford/ Leroy Somer/CG. Rating: 415V,3Ph,50Hz, 82.5KVA,1500RPM KWe : 66KW, Type : Brushless, Excitation : Self-excited, self-regulated (AVR) Enclosure Type: SPDP, Enclosure protection: IP-23, Rating: Continuous, Class of Insulation: H , Voltage Regulation(Max) : ±1%

Base Frame: Common MS Channel fabricated base frame, primer coated & painted, containing the engine and the alternator mounted through AVM Pads. Fuel Tank Capacity - Minimum 190 Ltrs detachable tank built inside acoustic enclosure complete with drain valve, air vent, inlet & outlet connections, fuel gauge.

Acoustic Enclosure: Specially designed to meet stringent MOEF/CPCB IV+ Norms of 75dBA @ 1Mtr. At 75% load under free field conditions. The Acoustic Enclosure is made of CRCA sheets. a) High-quality noise absorbent and fire retardant grade acoustic insulation material (PU Foam/Rock Wool) complying to IS:8183. b) Two-point lifting for easy handling at site. c) Designed to have optimum serviceability. d) Air inlet louvers specially designed to operaate at rated load. e) 9/11 tank pretreatment process and UV resistant Powder coating of all parts to withstand extreme environments. f) Use of special hardware for longer life. g) Fluid drains for lube oil and fuel. h) Fuel filling arrangement inside the enclosure.

AMF Control Panel : 14SWG CRCA sheet and powder coated after 7 tank treatment process. The panel comprises of following items:- a) 160Amps, 4Pole, 36KA, MCCB with all protections for DG & Mains - 02 Nos. b) 160Amps, 4Pole, AC-1 Duty Power Contactor with NO+NC Contacts for DG & Mains - 02 Nos b) Electronic Voltage Regulator for Mains Contactor. 1 No. c) Required Add ON Blocks for Contactors. d) Required 6A-SP & 16A-DP MCB of 10Ka. e) Minimum Five numbers Indicating lamps 230V AC (LED type) - Mains ON, DG ON/Running, Mains Load ON/DG Load ON, Battery Charger ON.

Terms & Conditions:- (i) Rate should be quoted inclusive of all applicable taxes and Duties etc. (ii) All materials, equipments & accessories must conform to the relevant IS specifications. The DG Set must be supplied from the authorized OEM of the respective Engine Manufacturer. (iii) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to be submited in triplicate 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 the competent Authority (As per CPCB-IV + ). (v) Circuit Diagram for AMF Panel must be submitted from the Manufacturer/OEM.

(vi) 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. Vii) During warrenty period if any discripency occurs regarding performance of the DG set that has to be attended within 24 Hrs. sharp

Supply & fixing of 150 mm dia M.S. Pipe for exhaust stack with flange, gasket, nut, bolt, washer, and Pipe supports by suitable size and thickness MS bar /Pipe, including cladding of exhaust pipe with glass wool duly covered with aluminum sheet.

Supplying & erection of foundation of 82.5 KVA D.G.Set on outdoor having dimension given below:- a) 100mm deep (below ground) PCC of size 4500 mm x 2450 mm & 300 mm above G.L. having thickness 200 mm after single brick flat soling on the ground after excavation of the earth. b) 15-inch thick brick wall from the 100 mm deep (below ground) PCC to 300mm (above G.L.) i.e. around the PCC and keeping the central part as follows. c) Filling the hollow portion with a mixture of sand & shifted soil. d) Construct a 6-inch thick RCC slab (M20 grade, 1:1.5:3 mix) on top of the brick foundation with an 8 mm double mesh rod (Make- TATA/SAIL/Jindal) at the top of the brick foundation of size 4500 mm x 2450 mm & 300 mm incl punning, finishing upto the completion the foundation structure and providing foundation bolts, nuts, etc.

Making of shed for DG Set with (Make- TATA/JINDAL) Scope colored sheets(Thickness- 0.50 mm) having suitable size tubular Square bar/pipes for structure, size: Length: 4700 mm, width: 2650 mm & Height from GL: 3000 mm. for proper protection of the DG sets from weather Condition.

Supply & fixing of 415V, 200A four pole onload change over switch(Make- LK (L&T)/Legrand/Siemens) with sheet steel enclosure on wall on angle iron frame incl necessary connections as required.

Supply of XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make- RR / Gloster/ Polycab/Havells] a) 4 core 120 sq mm

Supply & laying of 10 core 2.5 sq mm armoured copper control [ Make- RR / Gloster/ Polycab/Havells] cable for connection between Engine & AMF Panel including termination charges with copper sockets and glands.

Charges for fuel (Deisel) for commisioning including transportation and necy arrangements as required.

Laying of cable on wall with GI saddale as per GS for the following Sizes. 90 sq mm to 150 sq mm [2(e) / F-1]

Laying of one cable upto 150 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand [F-3/4(a)]

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed.

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. (ii) With 25x25x3mm angle iron support. 300x50x1.25mm (18SWG) [D-14/34(a) (ii)]

Supply & Fixing of perforated GI cable tray bend with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. 300x50x1.25mm (18SWG) [D-15/34 (b)]

Charges for concrete cutting of size 600 x 600 mm with proper tools and mending good the damages as required.

Supplying and fixing compression type gland and finishing those for following XLPE / PVC armoured cable (2/4 / 3.5)Core as per GS. 4 core 120 sq mm

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required. 150 mm dia [F-6/11(i)]

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 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. [ FOR PANELS AND EQUIPMENTS] [ 2(c)/G-1]

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 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. [FOR DG] [ 2(b)/G-1]

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 as per GS. [3(a)/G-2 ]

Extra for treatment of soil by using salt & charcoal or coke for plate electrode as per GS. [3(b)/G-2 ]

Supplying & fixing earth busbar(Length- 1.0 mtr) of galvanized (Hot Dip) MS flat 40 mm x 6 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.[ EARTH BUSBAR FOR PANELS AND WORKSHOPS] [4(b)/G-2 ]

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc. [5(d)/G-3 ]

NARAYAN CHANDRA DAS (BID ID -6103622)

MOON LIGHT (BID ID -6100744)

AJOY KUMAR DAS (BID ID -6103657)