WBPWD/SEWEC /HED /NIQ-95 /2022-23

Amount

SITC of 250KVA, 415V, 50Hz, 3Ø silent new DG Set incl. full tank HSD oil, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-II approved Engine & Acoustic Enclosure having following specifications :-

Engine:-

Make : CUMMINS/Volvo penta /Caterpiller/Kirloskar/Ashok leyland/Greaves Cotton

Engine Type : 4 Stroke Diesel Engine

MoEF certified power : 290 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 6

Aspiration : Turbo Charged

Type of Governor : Electronic

Fuel Tank Capacity : Minimum capacity 250 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 45.5 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 62 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 : 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/ Leroy Some/kirloskar/ABB/Crompton

Rating : 415 V, 3Ph. 50 Hz., 250 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%

AMF Panel ( CPRI APPROVED)

Cubical type floor mounted AMF panel made from 14 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 250 KVA DG set having following specification/features.

i)2 No. 400 A AC1 duty, 4pole power contactor and U/V release etc. [make: ABB/ Legrand/ Schneider/L&T]

ii) 2 Nos. 400 A, 3pole, 50 KA MCCB with microprosser based LSIG protection. [make: Legrand]

iii) In Built By-Pass switch for rated capacity

iv) On -delay timer for load change over

v) Off-delay timer for engine shut off

vi) Engine On-Off switch (Push button type)

viii) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.

ix) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.

x) Microprocessor based relay with composite meter for digital display of following.

Generator voltage/AC Mains voltage.

Generator Current in all phases

Frequency

Power Factor

Energy

Indication for alternator supply

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. High quality acoustic 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) All materials, equipments & accessories must conform to relevant IS specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(ii) Necessary manufacturer's test certificate for Diesel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

(iii) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competent Authority (As per CPCB-II).

(iv) Circuit Diagram for AMF Panel must be submitted from the Manufacturer/OEM.

(v) 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.

S & F of Exhaust gas piping of 150 mm dia MS black class -B pipe welded incl. all necessary bend, support & clamps anti vibration mounting insulation of exhaust system with 50 mm thick mineral wool coverd with wire mesh and aluminium cladding (from DG set to top of the building plus 3 mtr. or as per CPCB ) FOR 250 KVA DG set as per direction of EIC

S &F special type MS angle iron bracket support made of 40x40x6 mm. MS angle with flat iron (40x6) clamp with nuts and bolts and washer etc. for 150 mm dia.

S &F rain protection canopy for 150mm exhaust pipe mde of GI sheet of 16 SWG

Hire charges for scaffolding by bamboo required rope of square type arrangement for smooth working carriage of MS black pipe by vertical run and dismantling at the end of the work.

S & F delivery of 200 ltrs capacity heavy gauge MS sheet barrel with MS angle made support stand

Supply & Delivery of best quality oil hand pump with 1" dia PVC flexible pipe (12 feet approx)

Supply & Laying of 1.1 KV Grade 10 Core 1.5 sq.mm PVC insulated. Copper conductor control Cable in partly recessed and partly by shaddle on wall to interconnect DG set with AMF Panel

Supply & Laying 1.1 KV Grade single Core 120 sq.mm XLPE/PVC insulated. PVC sheathed, steel Unarmoured Al. conductor Cable and conforming to IS: 7098(Part-I):1988/1554(Part-I):1988/ 5831:1984/ 3961(Part-I):1967/ 3975:1970/ 10810:1984/ 3975:1970 /8130:1984/ 3961:1967/ 10418:1982/10810:1984 as amended upto date, in respect of component materials and tests. (Gloster / Havells / KEI / Plycab/ RR Kable ) (From DG neutral Earthing)

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

EEarthing with 80 mm dia GI pipe (TATA-Medium)x 6.0 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 6.65 Mts [ N.S]

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.[3(a)/G-2]

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

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. [5(e)/G-3]

Dismantiling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed with a lead of 75mm (upto 150mm thick) Page 10 item no 2)

Earth Work in excavation of foundation trenches of drains, in all sorts of soil including removing, spreading or stacking the spoils within a lead of 75m as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (Depth of Excavation not Exceeding 1500 mm) { Page 1, item no 2(a)}

SILICON SOFTWARE

CHANDA CONSTRUCTION