WBPWD/SSE/SWEC/NIQ79/2025-26

Amount

Supply , delivery at site on foundation , commissioning of 125 -KVA, 415V, 50Hz, 3Ø sound atteneuted type silent new DG Set, comprising of Engine, alternator, separate AMF panel, Engine,alternator & ATS from the same manufacturer,Base frame, Fuel tank, Battery, CPCB-IV+ approved Engin & Acoustic Enclosure having following specifications [Make:- Jackson/Catterpiller/Greevs Power] :-

ENGINE:- Make: Cummins/CATTERPILLAR/Greevs Cotton. Engine Type : 4 Stroke Diesel Engine, RPM : 1500 Rated Output : 161.6 BHP or Higher, Duty : PRIME, Cooling : Coolant Cooled Cylinder : 4 INLINE, Aspiration : Turbo Charged after cooled. Type of Governer : Common rail electronic injection system or electronic. Fuel Tank Capacity : Minimum capacity 275 Liters Diesel Tank , with Inlet & outlet arrangement with Drain Plug and Air vents. Fuel Consumption at 75% rated Load with Radiator or Fan : 22.05 Ltr./ Hr. or Less Fuel Consumption at 100% rated Load with Radiator or Fan : 30.25 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., 125 KVA, 100 KW, 1500 rpm. Type : Brushless, self excited and self regulated through an AVR. Insulation : Class High, RPM : 1500, Rated Current: 174 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%

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 & Delivery of following size 1.1 kv.gr.XLPE insulated 1100V Grade as per IS 7098 (part 1) 1988 armoured sheathed Aluminium conductor cable. [Make - Polycab/ Havells/ Gloster/RR Kable]

a) 4 core 185 sqmm [ Sub Station to old hostel & school feeder piller ]

b) 4 core 120 sqmm [ DG set to C/O of panels]

Laying of one No. 4 core 185 sqmm XLPE Ar/Al cable 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

Laying of one No. 4 core 120 sqmm XLPE Ar/Al cable 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 [AMF panel to Emergency Feeder piller for old hostel and school]

Laying of 1.1KV gr. 4 core 120 sq mm XLPE Ar./Al. Cable on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting.

S & F compression type brass cable gland complete with brass gland, brass ring & rubber ring for dust & moisture proof entryof XLPE/PVC armoured cable.

a) 4 core 185 sqmm

b) 4 core 120 sqmm

Finishing the end of the XLPE/PVC armoured cableas by crimping method incl. S&F solderless socket (Dowels make), tapes, anticorrosive paste & joiting materials.

a) 4 core 185 sqmm

b) 4 core 120 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.

Supplying & fixing earth busbar of copper bar flat 50 mm x 5 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.

Connecting the equipments to earth busbar including S & F copper strip of size 25 mm x 6 mm in UG trench with necy arrengement .

Extra for tretment of soil by using salt & charcoal or coke for plate electrode.

Earthing with 50 mm dia GI pipe (ISI-Medium) 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below (2 nos for body)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 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.

Connecting the equipments body to earth busbar including 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. for 4 SWG

Excavation charge of soil for installation of earth electrod and filling & remianing ( for morrum soil )

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.

Cutting RCC floor by special tools and tackles very carefully without any damaging and removing the shifted rubbish & levelling up and restoring the surface for 8 nos earth pit as per direction of EIC

Supply and pour of H.S. Diesel oil for necessary commissioning of new DG incl. transportation cost.

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 5200 mm(L) minimum or heigher as required x 2200 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.

Making 5100 mm x 2100mm x 1100mm (600mm 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 125 KVA DG set).

Supply & Installation of LED Sign Board, Designing, Fabrication, Supply, Installation, Testing & Commissioning of Outdoor LED Signage in English/Bengali (letters given and approved by concerned department) for letters with following specifications- (a) The box for the signage will be fabricated in Aluminum Square tube of size 25 mm. X 25 mm. of 16 gauge frame complete with necessary priming and painting. The box will be covered with 3 mm. thick Aluminium Composite Panel (ACP) sheets of the entire board. The complete installation will be water, vermin and dust insulated and protected. (b) Letter Description: Approx 9" x 5" size of letters (Approx) made of Aclrylic Sheet with male female attachment, on router cut ACP Sheet of front incl. all accessories as required. The Designed must be pre approvedfrom the EIC. (c) LED Illumination: High Bright, High Wave length closed type waterproof white LED modules (0.72 W or Higher) mounted on interior side of female part of letter with power wire running back to a central power area with 12 Volt LED Power Transformer to adequately drive the whole LED modules without Flicker. Minimum Burning Hour-100000 h (d )Internal Electrical Wiring will be done by Halogen Free Flame Retardent HRFR compound insulated (Unsheathed) 1.5 Sq.mm. copper flexible cable through interior conduit and Electrical Raceway. (e)Erection the above sign board with three nos. 40x40x6mm MS angle iron support rigidly grouted on suitable muffing which are making on the ground to avoid the uprooting by wind pressure and painting as per direction of EIC (Approximate Size: 12' Length X 4' height X 6" Dept)

ELCON ENGINEERS (BID ID -7382592)

MAHESWAR ELECTRICAL INDUSTRIES (BID ID -7354986)