WBPWD/EE/PMED/NIQ-07/23-24(2nd Re tender)

Supply, Installation, Testing and Commissioning of 160 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 : 195 BHP or Higher

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 6 or higher

Aspiration : Turbo Charged

Type of Governor : Electronic

Fuel Tank Capacity : Minimum capacity 300 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 27.7 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 36.6 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., 160 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 160 KVA DG set having following specification/features.

i)2 No. 250 A AC1 duty, 4pole power contactor and U/V release etc. [make: ABB, Legrand, Schneider]

ii) 2 Nos. 250 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.

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 the warrenty period if any discripency occurs regarding performance of the DG set that has to be attnded within 24 Hrs. Sharp.

Exhaust System: Supply and Installation of exhaust pipe line connection with MS black pipe 200mm (8”) dia ISI approved, necessary bend, tee etc. and nuts, bolts, washer, gasket incl. electrical welding where necessary.

Wrapping the exhaust pipe line (200 mm dia) with Al. sheet high quality with necessary wire mesh & 50mm thick glass wool as per direction of EIC.

S&F rain protection canopy for 200 mm Exhaust pipe.

Oil for Test run: Supply and delivery of HS diesel for test run of 160KVA DG set .

EARTHING Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil. [G-1 / 1(a)]

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 Mtsl. [G-1/2(b)]

Extra for treatment of soil by using salt and charcoal for earth electrod . [G-2 / 3(b)]

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. [G-2 / 3(a)]

Supplying & fixing earth busbar 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. [G-2/ 4(b)]

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. [G-3 / 5(d)]

S&F black colour heat shrinkable PVC sleve for 65mm x 8mm GI Flat.

POWER CABLE Supply & Delivery of 1.1 KV grade, XLPE insulated & Sheathed, multi stranded, armoured, 4 core 240 sq. mm. Al conductor cable. [Make- Havells / Polycab/ Gloster / RR Kabel] [Kit kat to AMF Pannel, AMF Pannel LT pannel]

Laying of one No. cable of 4 Core 240 Sq. mm 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 compression type cable gland & finishing of cable end by crimping method as to GS for 4 core 240 sq. mm cable.

Supply & Delivery of 1.1 KV grade, XLPE insulated & Sheathed, multi stranded, unarmoured, single core 150 sq. mm. Cu conductor cable. [Make- Havells / Polycab/ Gloster / RR Kabel] [ DG to AMF](3P & N)

Finishing of cable end by crimping method as to GS for single core 150 sq. mm cable.

CONTROL CABLE Supply & Laying of 16 core 2.5 Sq. mm Copper Aurmoured control cable, after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as 100mm and mending good the damages to original finish incl. removing the rubbish. [Make- Havells / Polycab/ Gloster / RR Kabel]

Supply & Laying of 2 core 6 Sqmm Copper Aurmoured cable, after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as 100mm and mending good the damages to original finish incl. removing the rubbish. [Make- Havells / Polycab/ Gloster / RR Kabel] (Battery Connection)

Supplying and fixing compression type gland as to GS for the following cables: a) 16core 2.5Sqmm Copper Aurmoured cable

b) 2core 6Sqmm Copper Aurmoured cable

Finishing of cable end by crimping method as to GS for the following cables: a. 2.5 Sq. mm

b.2core 6 Sq. mm Copper Aurmoured cable

Foundation of DG Set: Providing foundation (5.0 m x 2.55 m x 1.0 m) for the DG set with top portion RCC 1:1.5:3 (1 cement : 1.5 course sand : 3 graded stone aggregate 20 mm nominal size)[M20 grade ,125 mm thick] including 1000 mm depth earth work in excavation, 300 mm thick silver sand filling (below & above GL whereever is applicable), providing100 mm thick base concrete with 1:3:6 cement concrete,1st class brick work (600 mm below GL & 575 mm above GL), 575 mm thick earth work filling above GL,required centering/ shuttering,finishing the exposed portion with plaster & neat cement etc. as reqd. as per direction of E-in-Charge and manufacturer recommendation.

Supply and Laying 150mm dia spiral nylon pipe inside the DG foundation.

Sohum Industrial Sales Corporation

ASIM KRISHNA MODAK