WBPWD/SE/SWEC/NIQ46/2025-26

Supply , delivery at site on foundation , testing& commissioning of 500 KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-IV+ Compliant Engine & Acoustic Enclosure having following specifications :-

Engine Make: Cummins /Volvo /Cater Piller / KOEL / Greaves Cotton / Perkins / MTU-Force / Mahindra Powerol

Engine Type : 4 Stroke Diesel Engine Genset output (kVA/kWe) : 500/ 400

Gross engine Power (HP) : 604 HP or Higher

Duty : PRIME

Aspiration/Cooling : TCAC

Cylinder /Arrangement : 6 / inline

Type of Governor : Electronic / Mechanical

Fuel Tank Capacity : Minimum capacity 740 Ltrs. Or higher

Fuel Consumption at 75% rated Load with Radiator or Fan : 79Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 103.50 Ltr./ Hr. or Less

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 Water 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

Alternator :

Make : Stamford/ Leroy Somer/Mecc alte / CG

Rating : 415 V., 3Ph. 50 Hz., 500 KVA, 1500 rpm

Type : Brushless, self excited and self regulated

Insulation : Class H

P.f : 0.8(lag)

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 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.

SITC OF AMF Panel (CPRI Approved)

Supply, Installation Testing & Commissioning of Cubical type floor mounted AMF panel made from 14 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 500 KVA DG set having following specification/features.

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.

Construction of suitable size cement concrete foundation of (PCC/RCC) for Installtion of above panel as per manufacturer standard or as per direction of EIC based on site requirement (Bidder should visit the site)

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.

(v) 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. (VI) 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.

Supply & delivery and pouring of HSD oil for trial run and commissioning of DG set

Supplying and fixing exhaust gas piping (300MM Diameter ). welded black MS, B class pipe conforming to IS: 3589 cut to required lengths and installed with necessary bends, supports and clamps, anti-vibration mountings, insulation of exhaust system with mineral wool / Rockwool, 50 mm thick wiremesh and aluminium cladding etc., as per requiremement of pollution control norms and required as per direction of Engineer-in-Charge and manufacturer recomendation.

Fabrication and fixing of MS angle ladder type structure fabricated out of 50mm x 50mm x 6mm angle iron for support of exhaust gas pipe of existing DG set to the required height including grouting in 1:3:6 (1 cement : 3 graded stonenaggregate: 6 coarse sand) cement concrete in ground and support on building, welding, grinding, painting etc. as required. (The measurement shall be made in running meter of MS angle iron only and converted to weight in Kg)

Supplying & erection of the foundation of a 500 KVA D.G.Set on outdoors having dimensions given below:- a) 300 mm deep (below ground) PCC of size 6050 mm(L) x 2650 mm (W) having a thickness of 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 600mm (above G.L.), i.e., around the PCC (total Brick Wall Height 700mm) 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 6050 mm (L) x 2650 mm (W) incl punning, finishing upto the completion the foundation structure and providing foundation bolts, nuts, etc. [ Foundation Size : 6050mm (L) x 2650mm (W) & 600 mm above GL and 300 mm below GL ] [Foundation Size: 3150 mm x 1700mm & 600 mm above GL and 300 mm below GL] [N.B: On-site DG set foundation size may be changed as per site condition and manufacturer standard, bidders are requested to visit the site, and final execution may be done as per manufacturer recommendation and approved drawing of EIC]

Construction of Shed Structure 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: 7 m, width: 3.5 m & Height from GL: 4 m. (Approx) for proper protection of the DG sets from weather Condition.

S & Delivery of 200 Ltr. Capacity Container made of heavy guage M.S. Sheet container.

S & Delivery of best quality oil hand pump with 1” dia PVC flexible pipe (12’ ft. approx)

Supply & provide of 5 mm thick ms conical shape exhaust hood on top of MS EXHAUST pipe extention.

Supply & laying 2.5 sq. mm. 10 core multi core multistrand PVC insulated flexible Cu cable in uPVC / GI pipe from DG to separate AMF panel. [Gloster/ Polycab/RR Kabel] [Bidder should visit the site]

Supply & Delivery of 1.1kv grade Aluminium Armoured XLPE insulated PVC sheathed 4 Core 185 Sqmm Cable

Laying of one No. cable above 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

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables and Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials [4C 185 SQMM]

Earthing with Copper plate (610x610x3mm size) having weight of 9.84 Kg and 1 No. 25x5mm Copper strip (3.20 mt long) & 1 no. 6 sqmm PVC insulated stranded Copper wire (4 Mt long) incl. S & F 15 mm dia GI pipe (ISI-Medium) protection (4 mt. long) to be fillied with bitumen, partly under the ground level & partly above ground level to an average depth of 3.65 Mts. below the ground level and restoring the surface duly rammed incl. providing 3.0 mt long, 25 mm dia GI pipe (ISI-Medium) for periodic treatment, incl. providing masonery enclosure on the top of the earth electrode of overall size 86.36x86.36x46cm 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 36.56x35.56cm with locking arrangement, GI reducer and treatment of soil by using salt & charcoal or coke for plate electrode

Supply & Laying 1.1kvgrade Single core 95 Sqmm armoured Copper LT Cable for neutral earthing [RR Cable / Polycab / Havells]

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 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

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

Excavation of soil for installation of Earth Electrode and filling & ramming. For Morrum Soil.

Supplying & fixing earth busbar of 50 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments body to earth busbar incl. S & F 25 mm x 6 mm cu bar on wall/floor with saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc. [5(d ) /G-2]