WBPWD/EE/CKHED/eNIT121/24-25

Amount

SITC of 380 KVA ,415V,50Hz 3Phase Silent Diesel Generator Set comprising of Engine,Alternator,separate AMF panel ,Base frame ,Fuel tank,Battery,CPCB-IV + approved Engine &Acoustic Enclosure having following specifications:-(Make: Cummins/Caterpillar/Parkins/Volvo Penta/Greaves)

Engine:-

Engine Type: 4 Stroke Diesel Engine

Rated Output : 487 BHP or Higher

Duty: PRIME

Cooling: Lequid cooled (EG compleat 50:50)/As per diretion of EIC.

Cylinder: 6

Aspiration: Turbo Charged,Charge Air Cooled

Type of Governer: Electronic

Fuel Tank Capacity: Minimum capacity 600 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan: 63 Ltr./ Hr. or Less.

Fuel Consumption at 100% rated Load with Radiator or Fan: 83 Ltr./ Hr. or Less

Overload Capacity:10% overload for one hour for every 12 hours continious 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 overspeed 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: two number 12 volt, 180 AH heavy duty VRLA, Lead Acid, Low Maintenance or SMF and conforming to relevant IS Spec. with Low/High Battery Voltage and Weak Battery warning

Alternator :

Make : Stamford/ Leroy Somer/Crompton Greaves

Rating: 415 V, 3Ph., 50 Hz.,380 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% at full load.

Winding connection: Star with Neutral.

Total Distortion factor: Less than 3%.

Total Harmonic distortion in output waveform :No load <1.5%,Non distorting balanced load < 5%.

AMF Panel :

Cubical type floor mounted AMF panel made from 14 SWG Sheet Steel, duly pretreated, powder coated painted by two coats of red oxide as primer and final by synthetic light grey/Siemens grey shade as per IS : 631, and aesthetically finished, suitable for controlling of 380 KVA DG set having following specification/features.

i) 2(Two) Nos of 800 A ,50KA, 4 pole, thermal magnetic (DN1) EDO type ACB with O/L, S/C, E/F protection, U/V release etc. as per diretion of EIC.(Legrand/LT/Scheider)

ii) In Built By-Pass switch (manual change over) for 800A capacity .

iii) S/F 415V, 800 Amp capacity suitable size copper bus bar (04 nos) with Electrolyte gr. tinned copper bar with FR epoxcy chair and the entire bars are insulated with PVC heat shinkable sleeve of suitable size.

iv) 03 No. S/F of 400 Amp, 415 V, 36KA electronic release S2 with energy metering central unit type 4 pole MCCB with Spreaders and rotary handle and including all accessories . ( as out going) (Legrand/LT/Scheider)

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 water temperature, Start failure', and DG over load'.

xii) 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 equiped with necessery CT and other internal wiring with suitable size Copper wire and 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 acoustict 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.

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

Neccy. manufacturer's test certificate for Desiel Engine,Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

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

Circuit Diagram for AMF Panel should be submited from Manufacturer /OEM to the EIC for approval.

The entire set must be warranted atleast 15 months from the date of Commissioning. However Engine & Alternator should be warranted of 2 years from the date of delivery at the site.

TERMS & CONDITIONS

The Defect Liability Period (DLP) for the work is 01 (One) year to be counted from the date of completion of the work.

(i) Rate should be quoted inclusive of all applicable taxes and Duties including GST.

(ii) All materials, equipments & accessories must conform to relavent IS / IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(iii) Nacessary manufacturer's test certificate for Desiel Engin, Alternator etc. Will have to submit in triplicate copy 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 competant Authority (As per CPCB-II).

(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer / OEM.

(vi) The entire set must be warranted atleast 18 months from the date of Delivery / 12 months / 5000 running Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years / 5000 running Hrs, whichever is earlier.

Excavation of soil for installation of Earth Electrode and filling & ramming.For Morrum Soil.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 50 mm x 6 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers incl. finishing both ends by making holes etc. and S & F 65 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 as to GS.

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 as to GS.

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. ]

S & Delivery of 4 core 240 sq. mm. 1.1 KV Gr. XLPE insulated armoured Alluminium Cable. (Make- Policab/ havells/ Gloster/ KEI Cable)

Laying of one cable above 150 sqmm and 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.

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire. Above 150 sqmm.

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

4 core 240 sq. mm.

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

4 core 240 sq. mm.

Supply and Fixing of angle iron frame on wall consisting of 50mm x 50mm angle iron (wall side length 1ft and projected length 1.5 ft) including drilling 7nos holes and providing a rail guarding with 3 inch height at the termination end of angle iron structure. The angle iron structure should be diagonally supported by a MS flat (25mm x 25mm x 6mm). The iron frame should be fixed on wall by S&F 4 inch bullet fastener (Three nos) on wall.

Supply and fixing 1 nos "U" clamp having diameter 3 inch made by 50 mm GI / MS flat with drilling 2 nos suitable holes and S&F suitable GI / MS nut bolt washers for fixing it as cable holder.

Supply & Laying of 12 core 2.5 sqmm Copper Aurmoured control cable on existing covered masonry trench or on existing Cable Tray and binding with suitable size GI wire as per direction of EIC.

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

12 core 2.5 sq. mm.

Brick work with 1st class bricks in cement mortar (1:4) In superstructure, ground floor.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level, Laying of Brick and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor. as per relevant IS codes. Pakur Variety.

Controlled Cement concrete with well graded stone chips (20 mm nominal size) excluding shuttering and reinforcement with complete design of concrete as per IS : 456 and relevant special publications, submission of job mix formula after preliminary mix design after testing of concrete cubes as per direction of Engineer-in charge. Consumption of cement will not be less than 300 Kg of cement with Super plasticiser per cubic meter of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix foumula. In ground floor and foundation [using concrete mixture: M 25 Grade, Pakur Variety].

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. [For works in foundation and upto roof of ground floor/upto 4 m] For steel/Mild Steel (SAIL/ TATA/RINL)

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[including cost of chipping over concrete surface] With 1:6 cement mortar 20 mm thick plaster.

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

supply, fabrication and construction of Truss for DG foundation made with 14 SWG GI Hollow bar of size 1.5" x1.5"/ 2"x2"/4"X4" fixed with necessary screws and lugs incl. necessery welding and also 2 coats of primer & 2 coats of painting to complete the work as per dirceton of EIC. (make: TATA/ SAIL)

Galvanised corrugated iron sheet work (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty (GCI sheet to be supplied by contractor) [With 0.63 mm thick sheet] (make: TATA /JINDAL)

S&F medium gauge 80 mm dia GI Pipe (ISI-Medium) Protection with necessary fittings and jointing metarials as required as per GS.

Supply & installation of exhaust gas pipe of 200 mm dia MS black (class B) high temp. color pipe welded incl. all necy heavy duty bend,T,MS Plug supports and MS clamps anti vibration mounting insulation of exhaust system with 50 mm thick mineral rockwool covered with wire mesh and aluminium cladding & S&F rain protection canopy ( from DG sets to top of the building plus 3mtr or as per CPCB) for 400 KVA DG set as per direction of EIC.

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

Supply, transporation & pouring of HSD fuel

S&F 2 Kg capacity ABC type Gas pressure (DPC) fire extinguisher on wall by suitable size of iron bracket (Make - Fire Shield / Surex)

S&F 9 ltr. Capacity round fire bucket with iron hook and duly filled up by sand.

Supply & delivery of 300 ltrs. Capacity heavy gauge MS sheet barrel with MS angle made support stand.

Supply & delivery of best quality oil hand pump with 1"(25.4mm) dia PVC flexible pipe (15' ft. approx.)

Rate should be quoted incl. of all taxes and cess. Defect Liability period : 1 year

C. CHOWDHURY & CO. (BID ID -6211599)

AMAZE POWER (BID ID -6229302)