Supply and erection of 1 no 400 KVA capacity alongwith AMF panel for supply electrical power to PSIEC office in Udyog Bhawan Sec 17 Chandigarh

Supply, installation, testing and commissioning of 400 Kva/320 KW, silent DG set 490 BHP rating Diesel Generating Set of approved make with standard AMF panel and with sound proof enclosure and comprising of the following components (as above). The specifications of generating set should strictly complete as per guidlines issued by the Govt. of India under CPCB-IV plus guidlines, complete in all respect to the entire satisfaction of Engineer in charge. NOTE : including the cost of testing DG set for 3 hours at full load)

Diesel Engine:

Engine liquid cooled 8 cylinders, 15.92 liters, 4 stroke cycles, developing 490BHP @ 1500 rpm as per ISO 8528-I. The engine shall be provided with electrical starting arrangement and shall give the electrical output of 400 KVA at 0.8 power factor, 415V at the alternator terminal, other accessories of the engine would be as under. The specifications of Engine should strictly complete as per guidlines issued by the Govt. of India under CPCB-IV plus guidlines.

BASIC ENGINE

High inertia flywheel

Forged crankshaft and connecting rods

Four value per cylinder

Piston cooling via oil spray nozzle

Vibration damper

STARTING SYSTEM

Electric starter

Battery charging alteernator V-cell driven

Battery , Battery stand & bends

FUEL SYSTEM

Electronically controlled high pressure injection with single unit injection pumps

Fuel delivery pump

Fuel filters (Primary, Main and Water Separator)

Engine standard version for fuel consumption-optimized operation.

LUBE OIL SYSTEM

Forced-feed lubrication system with piston cooling.

Lube oil circulation pump with safety valve.

Lube oil multi-stage filter

Closed crankcase venting system

COMBUSTION AIR SYSTEM

Exhaust turbochargers with insulation

Intercooler integrated in radiator

Exhaust silencers - Residential

Dry-type air filter with contamination indicator

COOLING SYSTEM

Coolant circulation pump for jacket water

Coolant thermostat for jacket water cooling system

Rediator with fan, fan guard and fan belts

ALTERNATOR

As per guidelines issued by Govt. of India under CPCB-IV (at our option), synchronous alternator of 400 KVA rating suitable for operation at 1500 rpm generating 415V at 0.8 power factor (lag) 50 Hz, 3 phase and 4 wire system. The alternator shall be Brush-less type, separately excited & self-regulated through an AVR. The alternator shall be suitable for tropical climate and generally confirm to BS:2613/IS:4722 & have folloing features.

Plus 1% voltage regulation (max) in static conditions

IP 23 protection with class 'H' insulation and temperature rise limited to class 'H' insulation limits.

Permissible overload of 10% for one hour in 12 hours of operation.

AREP excitation

ACCESSORIES

Base frame : Engine and alternator are mounted, coupled and aligned on a common channel iron fabricated Base Frame with pre-drilled holes.

Fuel Tank : Daily service fuel tank 850 liters manufactured with 14SWG sheet metal complete with drain valve, air vent, inlet and outlet connection. The fuel tanks shall be suitable for floor mounting installation outside the acoustic enclosure.

Batteries : Two number batteries of 12V rated capacity 150 AH with its leads.

ACOUSTIC ENCLOSURE

Slient DG set enclosure is of modular construction with the provision to assemble & dismantle easily as per site condition.

Centre lifting arrangement for ease of lifting from single point.

There are no protruding parts

The sheet metal components are pretreated before powder coating

The enclosure is fabricated out of CRCA sheet of 16 gauge.

The fuel level is indicated with the help of fuel gauge meter.

400 KVA WITH STD CONTROL PANEL

Battery is accommodated in a separate tray in the enclosure.

The doors are gasketed with high quality EPDM gaskets to avoid leakage of sound.

The door handles are lockable type

Sound proofing of enclosure is done by PU Foam/Rockwool of suitable thickness density as per IS 8183.

A special residentail silencer is provided with the enclsoure to control exhaust noise.

Speically designed attenuators are provided to control sound at air entry to the container and exist from the container.

To make system vibration free, engine & alternator is mounted on specially designed anti-vibration pads.

Adequate ventilation is provided to meet air requirement for combustion head removal

Temperature of enclosure does not exceed beyond 5 to 7 degrees of ambient temperature.

Noise level is 75 db (A) at 1-metre distance. The enclosure meets the norms as specified by CPCB-IV.

Supply & erection of XLPE/PVC insulated PVC sheathed (10 core) unarmoured copper conductor cable (ISI marked) confirm to IS:7098 (PART-I), 1988 loose in the existing trench or pipe with suitable size of copper thimbles/lugs complete in all respec as desired by Engineer in charge.

Overall size 1.5 sq.mm (10 core)

Supply, laying and erection of aluminium conductor XLPE insulated PVC sheathed armoured and served cable 1100 volts grade as per IS 7098 (Part-1) 1988 to be laid loose in the existing trench or pipe as per PWD General Specifications:

Overall size 400 sq.mm (3.5 core) un-armoured (on surface)

Earthing with electrolytic copper tape rivetted (with 5 nos copper rivets) Steel Nuts & Bolts (with 4 Nos 32mm long, 8mm thick with washer and double nut) to 30cm x 120cm x 2mm thick copper plate (made cylindrical) burried 4.5 metre (14.76 feet) below ground level in the hole of excavation having bore dia125mm and surrounded by salt and charcoal dust mixture (20 kg) including fixing the copper tape recessed in wall and in floor et upto 8 metre in length (including bore length) GI pipe 20mm dia. (A-class), 3 metre long should be laid in the hole of excavation 1 feet below ground level and having GI Reducer 50mm x 20mm with PVC Cap (For pouring water) fixed on the top level of the pipe. 300mmx300mmx300mm deep haudi of First class bricks finished with 1:4 cement plaster and haudi covered with cast iron lid having size 300mmx300mm (heavy) around the hold of excavation.

Earthing with 25mm x 3mm copper tape (upto 8 metre in length)

Providing and Fixing 25mm x 5mm GI strip (on surface/flushed) with petty material as required etc.

Construction of PCC plate form size 20'x7' and 1 feet height having 13.5' brick wall in 1.5 filled within CC 1:4:8, 12.5mm plaster 1.5, 4.5" slab RCC M20 including the cost of foundation required for the installation of 400 KVA DG set as per the designed given by the manufactures finally approved by Engineer in charge including cost of petty materials required to complete the job in all respect to the entire satisfaction of Engineer in charge.