Construction work (Electrical) of Common Facility Centre for Khagra Brass and Ball metal Society at Kalikapur Mouza PS Berhampore Dist. Murshidabad --- SITC of 125 kVA DG set and allied electrical works.

Amount

Supply & Delivery at site on foundation including testing & commissioning of 125 KVA, 415V, 50Hz, 3Ø silent DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-IV approved Engine & Acoustic Enclosure including transportation, loading and unloading of the DG set, having following specifications :- [Make: JAKSON / KOEL GREEN / GREAVES POWER / MAHINDRA POWEROL / laypower ]

ENGINE

Make : CUMMINS / KIRLOSKAR / GREAVES POWER / MAHINDRA & MAHINDRA LTD. / ASHOK LEYLAND)

Engine Type : 4 or 6 Stroke Diesel Engine

Rated Output : 156ВНР or Higher

Duty : PRIME rating

Cooling : Water cooled with radiator

Cylinder : 4

Aspiration : Turbo Charged

Type of Govemer : Electronic

Fuel Tank Capacity : Minimum capacity 225 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 11.53 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 15.31 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 : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning

ALTERNATOR

Make : STAMFORD / CROMPTON GREAVES/LEROY SOMER

Rating : 415 V., 3Ph. 50 Hz., 125 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%

Should have provision for Neutral Grounding.

ACOUSTIC ENCLOSURE

Technical Specification of DIESEL GENERATOR Set Acoustic Encosurc i) specially designed to meet stringent MoEF/CPCB norms of 75 dBA @ 1 mtr at 75% load under free field conditions ii) High quality noise absorbent and fire retardent grade iii) Acoustic insulation material (PU Foam) complying to IS 8183 iv) Two point Lifting for easy handling site v) Designed to have optimum servicebility vi) Air inlet louvers specially designed to operate at rated load vii) 11 tank pretreatment process and UV resistant powder viii) coating of all parts to withstand extreme environment ix) use of special Hardware for longer life x) flush styling no projections xi) fluid drains for lube oil and fuel xi) Fuel filling arrangement inside Lhe enclosure Note i) Efficiency not less than 90%. ii) Warrenty minimum 2 yenrs or 5000 running hours whichever is earlier. iii) scope of work Placement of DG set on foundation at site, Conamisioning and testing. Iv Necessary connecting Cable required in between AMF panel & DG set upto 10 meters to be supplied and laid free of cost

AMF PANEL

Cubical type floor mounted AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 125 KVA DG set including multi-core control cable and other accessories as required having following secification / features.

i) 200A 4P MCCB with O/L, S/C,Protection, 2 Nos 200A AC3 duty 4 Pole Contactors(MCCB Contactor make L&T/ABB/Siemens/Legrand)

ii) In Built By-Pass switch 200A 4 Pole (L&T/Siemens/ABB)

iii) On -delay timer for load change over

iv) On-delay timer for engine shut off

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

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

viii) 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

PVC insulated Multi-core Control cable from DG to AMF panel to be supplied

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.

ADDITIONAL ACCESSORIES

S&F of Exhaust gas piping of (125 mm diameter) 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 II) POR 200 KVA DG set as per direction of EIC

Supply Delivery inclüding transportation of Mobil Oil

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

S& delivery of best quality oil hand pump with!" dia PVC flexible pipe(12 ft approx)

Delivery and pouring of diesel oil

DG PLATFORM & SHADE Providing masonary platform for placement of 125 KVA DG, size L=4 mtr, W=2.0 mtr, Height=1.0 Mtr(400mm below GL, 600mm above GL) rectangular shaped to be made with 5" Brick soling, 10 brick wall in 4 four sides, sand filling the chamber and 5" RCC top single layer (M20 grade) with 3 mm thick neatly finished cement plaster all round as per G.S.

Providing shed for DG set by supply and Fixing galvanised corrogated G.I. sheet (1.8mm thick, Tata/Jindal/Bhushan) by suitable J hook, Nuts and bolts, washers on rectangular MS structure over 50mm dia & 65mm dia MS pipe (Tata/Bansal) height 3.5 meter from the DG paltform & surrounded by 1500mm hight 125mm thick brick wall (except one side which totaly covered for installaing AMF panel). The MS structure is to be covered with 2mm dia Gl net with door locking arrengement. The entire MS structure is to be painted by 1 coat RO primer and 2 coat synthetic enamel paint.

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:-Fort Gloster/RR /KEI]

4 core 120 sq. mm.(For DG to Panel )

Laying of one No. cable above 35 sqmm and upto 185 sqmm 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

Laying of cable above 3½ core 90 sqmm and upto 3½ core 150 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting

Supply of 4 Core , 2.5 sq mm XLPE Insulated & Sheathed Armoured Copper Flexible Power Cable for Working Voltage up to 1100 Volts of following sizes [ Make:-Fort Gloster/RR /KEI/ ]

Supplying and fixing 4 wayMCB SS enclosure with IP-20/30 protection, powder coated provision for four pole 63A MCB(Make-Legrand), concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, leveling up and restoring surface duly rammed

Supplying & fixing sheet metal (16 SWG) Iron Clad Busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required – ( As per Drawing no. 470 of PWD Specification Book – May 1991) 415 V, 100/125 A,Dimension of Cu. Bars [85mm long]4 x 50x10mm &Dimension of Sheet Metal Box,500x150mmAs per direction of EIC.

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below:ByISI-Medium GI pipe ] (DG Earthing)

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

Supply & laying 1 x 10 sq. mm. single core copper cable in suitable size PVC pipe (reinforced) on wall / floor from neutral earth bus to DG set neutral point including both side socketing. (For Neutral Earthing)

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

Supply & fixing of GI (Hot Dip) strips 20 mm x 3 mm thick for vertical run on wall with GI saddles spaced not exceeding 1000 mm apart incl. mending good damages to building work

JOGMAYA ENGINEERING (BID ID -5532511)

PARTHA SARKAR (BID ID -5530440)