WBPWD/SE/SWEC/NIQ49/2023-24/ 2nd Retender

Amount

Supply , delivery at site on foundation , commissioning of 200 KVA, 415V, 50Hz, 3Ø silent new DG Set, 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/Caterpiller/MTU Force /Mitshubishi/KOEL /Greaves / Ashok Leyland / Mahindra

Engine Type : 4 Stroke Diesel Engine

MoEF certified power : 240 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 6 inline

Aspiration : Turbo Charged

Type of Governor : Electronic

Fuel Tank Capacity : Minimum capacity 360 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 33 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 44.8 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 Somer/ Crompton Greaves

Rating : 415 V., 3Ph. 50 Hz., 200 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

Cubical type floor mounted AMF panel made from 14 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 200 KVA DG set having following specification/features.

i)2 No. 315/320 A AC1 duty, 4pole power contactor and U/V release etc. [make: ABB, Legrand, Schneider]

ii) 2 Nos. 315/320 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) On-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.

Supply & delivery and pouring including transportation of HSD oil

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/KEI / Havells/RR Kabel] [Bidder should visit the site]

Supply & laying of 1.1KV grade 95 sq. mm. single core multistrand PVC insulated flexible Cu cable from earth electrode to neutral earth busbar and from earth busbar to neutral point as required incl. finishing the ends as required (for neutral earthing) [Gloster/ Polycab/KEI/ Havells/RR Kabel] [Bidder should visit the site]

Extending the exhaust system with Supply & installation of MS 200 mm dia 5 mm thick MS pipe with covering of glass wool insulation and wrapping of 24 swg Al sheet of suitable size dia with necessary holding & hanging structure arrangement from ceiling/ wall with 5 mm thick ms conical shape canopy arrangement for rain water protection on top. internal pipes should be welded with each other & necessary providing of MS bend of same dia with wrapped and fabricated as per internal pipe lying with necessary asbestor rope of 18 mm dia thoroughly wrapped on MS pipe over that glass wool covering as per direction of EIC [Bidder should visit the site]

Supply & Installation of suitable industrial shed (4mm thickness) having dimension of 5.5mtr(L) x 4.5mtr(W) with 06 no 65mm dia ISI-M pipe structure (vertical) and 32mm x 32 mm MS iron frame (shed structure) with 760 x 600 x 600 mm RCC muffing for each pipe (above 3 ft from the highest point of DG Set) as per direction of EIC. [Bidder should visit the site]

Covering the foundation for AMF panel area with suitable fibre shed (4mm thickness) with suitable hinged door for access incl locking arrangements. Supprts should be made by S&F 32 mm MS angle frame (as per direction of EIC) [Bidder should visit the site]

Construction of foundation suitable for erection of the 200 kVA DG set approx 4.6 M (L) x 2.20 M(W) x 0.46M (H) above GL and .9 M under GL or as per manufacturer standard specification with Ordinary cement concrete mix. 1 : 5 : 3 : 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 , reinforcement with 12 mm dia steel TMT bars atleast 300 KG total , this rate are incl. all materials , labour charges & carrying etc. (suitable for 200 KVA DG set). Including Bricks stair of (3 steps atleast). (step height 6inch, wedth 4.5 feet)- 2 Sides as per direction of E-in-Charge and manufacturer recommendation.[Bidder should visit the site]

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-II).

(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

M/S S. CHATTERJEE

DURGAPUR POWER