WBPWD/EE/HED/NIT- 46 (2nd Call) of 2025-2026

SITC of 750 KVA , 415V, 50Hz, 3Phase silent new DG Set incl. full tank HSD oil, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-IV + approved Engine & Acoustic Enclosure having following specifications & Rating (ISO-8528 Part-IV) :-

Engine

i)Engine :-(Make : CUMMINS/ Caterpillar/ Parkins/ MTU/ Volvo Penta/ Kirloskar/ Greaves/Mahindra)

ii) Engine Type : 4 Stroke Diesel Engine.

iii) RPM : 1500,

iv) Rated Output : As per Rating

v) Duty : PRIME

vi) Cooling : Coolant with radiator

vii) Cylinder : As per OEM Standard

viii) Aspiration : Turbo Charged

ix) Type of Governor : Electronic

x) Fuel Tank Capacity : Minimum capacity As per OEM .

xi)Fuel Consumption As per OEM Standard

xii)Overload Capacity : 10% overload for one hour for every 12 hours continuous running at full load or better.

xiii)Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, Coolent temperature Indicator, RPM indicator and hour meter.

xiv) Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Coolent Temp. warning/ Shutdown, Sensor failure Indicator, Engine over speed indicator, Battery charging and low battery indicator

xv) Exhaust Silencer : Residential Type/ Hospital Grade

xvi) Starting system : 12V/ 24 V starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.

xvii) Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning.

Alternator

i)Alternator :- Make: Stamford/ Leroy Somer/ Kirloskar/ ABB/ GE/ Alsthom/ Crompton

ii) Rating - 415 V., 3Ph. 50 Hz., 750 KVA , 1500 rpm

iii) Type - Brushless, self excited and self regulated through an AVR

iv) Insulation class - H,

v)Protection - Screen-protected drip proof with Min.IP-23 degree of protection,

vi)RPM - 1500,

vii) Rated Current: As per Rating

viii)Voltage Regulation (max) - ±1%

ix) Winding connection - Star with Neutral,

x) Total Distortion factor - No load < 1.5%, Non distorting balanced

xi) linear load < 5 % ,

xii) Power Factor - 0.8 pf (lag)

xiii)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 Following Rated KVA DG set having following specification/features. Manufactured by the OEM / CPRI approved panel builder.

i) 1250A , 415V, 4P, 50KA capacity EDO type ACB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc.-3 sets [Make: Legrand / Siemens / Schneider Electric / L&T /ABB ]

ii) S &F of 1600 A capacity 99.9% -99.5% electrolytic tinned copper (Certificate should be produced by manufacturer) with multicolor heat shrinkable PVC sleeve 4 Bus Bar of required length mounted on non-hygroscopic porcelain insulator having sufficient di-electric strength duly insulated by multicolor (Red, Yellow, Blue & Black) heat shrinkable PVC sleeve for phases & neutral identification. All interconnection/branches should be made with required size of cu bars (Cu-bar extensions of required shape and current carrying capacity may have to be provided at terminals of ACB as per direction of EIC) & remote monitoring of internal temparature of every bus section & cable alley should be provided -1 set.

iv) In Built/ External By-Pass switch for rated capacity,

v) On -delay timer for load change over, vi) On-delay timer for engine shut off,

vii) Engine On-Off switch (Push button type),

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

x) Audio visual alarm for 'Low lubricating oil pressure', 'High coolant temperature, Start failure', and DG over load',

xii) Microprocessor based relay with composite meter for digital display of following., a) Generator voltage/AC Mains voltage. b) Generator Current in all phases, c) Frequency d) Power Factor

e) Indication for alternator supply

f) 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 with IP 65 protection must be certified as per CPCB-IV + better 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) 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+ better norms).

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

(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.

Including Charges for loading, unloading incl. carrying from factory to work site .

SUPPLY & LAYING OF CABLES

Supply of 4 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make : Havells/ Gloster/ Polycab/ RR Kable]

3 X 4 Core 300 Sq.mm. ( AMF Panel to LT Panel and DG set)

Supply & Drawing 1.1 KV Grade 7 Core 2.5 sq.mm PVC Armoured Copper Cable [from DG to AMF Panel]

Laying of three cable upto 300 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order,mending good the damages filling the trench with fine dry sand incl. supplying sand.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : [F4/7(c)]

4 C X 300 Sq.mm.

Supplying and fixing compression type gland and finishing those for following XLPE / PVC armoured cable (2/ 4 / 3.5)Core as per GS.

4 C X 300 Sq.mm.[F5/8(xxiv)]

SUPPLY & INSTALLATION EXHAUST STACK :-

S & F exhaust pipe of 200 mm. dia MS black pipe (Thickness 4 mm) including connection with the existing silencer attached with the flexible coupler and S&F flange, nuts, bolts & washers etc. & necessary fixing materials etc. as required from DG set to nearest building (Horizontal Run) with suitable high temperature painting.

S&F exhaust pipe of 250 mm. black pipe (thickness 4 mm.) including S&F flange, nuts, bolts & washers etc. as required from the nearest building wall to top of the building roof. (Vertical run) with suitable high temperature painting.

Making insulation by 2" glass wool including netting arrangement and covered with aluminium clading as per direction of the EIC.

200 mm. dia exhaust pipe.

250 mm. dia exhaust pipe.

Residential type silenser pipe

S&F special type MS angle iron bracket support made of 50x50x6 mm. MS angle with flat iron clamp with nuts, bolts & washers etc. for 90 mm. dia (Vertical Run).

S&F rain protection canopy.

S& delivery of 200 ltrs. Capacity heavy gauge 2 mm thick MS sheet barrel.

Supply and delivery of best quality oil hand pump with 1" dia PVC flexible pipe (10 mtr. approx.)

Supply and delivery of best quality oil hand pump with 1" dia PVC flexible pipe (10 mtr. approx.)

EARTHING

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 for treatment of soil by using salt & charcoal or coke for plate electrode

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 50 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 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.

Insulating the 65x8 mm MS flat incl. S&F black heat shrink PVC sleeves etc. The PVC tube sleeve to be inserted on the GI flat and heat shrinked by heating apparatus by skilled technician carefully without damaging the PVC sleeve as per direction of the EIC (for transformer neutral earth bus bar) [NS]

Extra for connecting the neutral of DG / Earth busbar to earth electrode including S & F Galvanized (Hot Dip) Steel strip 65 mm x 8 mm on wall/floor with GI saddles & insulating the same by one layer of PVC strip over one layer of ampere tape.

Supply & Filling of HSD oil for initial refill with transportation.

ADD GST @ 18%

ADD LWC @ 1%