Construction expansion of existing cancer hospital building at IGMC Shimla SH Providing one No.500KVA DG set therein

Amount

Supplying and erection of wall mounted metal boards for switch gear mounting of suitable size, with permissible variation in size of plus minus 5mm, welded frame work made of M.S. angle iron 50 mm x 50 mm x 6 mm thick duly welded complete with 3mm thick M.S. sheet fixed with hinges as open able front, complete with locking arrangement including painting and bonding to the existing earth as required:-

Earthing with copper earth plate 600mm x 600 mmx 3 mm thick, including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) complete as required.

Extra for using salt and charcoal for G.I. or copper plate earth electrode complete as required.

Providing and fixing 25mm x 5mm copper strip on surface or in recess for earth connections etc. as required.

Providing, laying and fixing of one No. aluminium conductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade on surface etc. of the required size:-

Armoured cable 630 sq. mm (3.5 core)

Providing and laying of PCC Foundation (1:3:6 cement concrete) plat-form of (500cmX200cmX60cm dimenstions 15cm rise from fround level(for soild bearing capacity 5000kg/sqm)

Supplying, installation, testing and commissioning of 500 KVA/ 400KW at 0.8 power factor, 415V, 50Hz silent D.G. set ISO 8528 specification and should meet CPCB norms complete as detailed below. Brand:- Kirloskar/Sudheer.

Diesel Engine:- ECO FRIENDLY (CPCB norms compliance).

Manufacturer:- Cummins (India)

Cummins Engine model 6CT AA 8.3-Gb, 6 cylinders, vertical 4 stroke cycle, water cooled turbo charged, developing 310 BHP at 1500 RPM under NTP condition of BS:5514. The engine shall be provided with electrical starting arrangement & shall give the elecricity.

COOLING SYSTEM:- Radiator cooled, Engine mounted water pump, Thermostat, Corrosion inhibitor, self contained piping.

FUEL SYSTEM:- Inline fuel pump, injector, spin on type fuel filters, self contained piping.

LUBRICATING SYSTEM:- Oil pump, Steiner, Lub oil cooler - Plate type, Spin on type oil filter, Bypass filter, self contained piping.

AIR INTAKE SYSTEM:- Dry type replaceable paper element Air Cleaner with restriction indicator, Air intake manifold with necessary connections, Turbo charged after cooled.

EXHAUST SYSTEM:- Exhaust manifold, stainless steel exhaust flexible coupling, silencer (critical grade.)

GOVERNING SYSTEM:- Electronic Governor (digital)

STARTING SYSTEM:- Starter, 24V, DC, Battery charging alternator with in-built regulator.

OTHER System:- Flywheel, Flywheel housing.

GENSET CONTROLLER:-

Cummins Power Command PCC 1301 microprocessor based integrated generator set monitoring, metering, protection and control system with built-in torque matched volts/ Hz overload control.

Single Control for the Genset function:-

Digital Voltage Control, Engine Control, Operator Interface, Protection, Advance Control Function.

Standard features:-

Engine:-

Metering:-

RPM, Battery Voltage, Lube oil pressure, Coolant temp. Running Hours.

Protection:-

Low lub oil pressure, high water temperature, High/ low voltage, week battery, over speed, fail to crank fail to start, sensor failure.

Alternator:-

Metering:-

3 Phase Voltage (L-L and L-N), 3 phase current, frequency, KVA

Protection:-

Under voltage, over voltage, under/over frequency, over current, loss of sensing, field overload.

Others:

Battle switch function, Delay start/stop, configurable cycle cranking, sleep mode time.

Alternator:-

New age electrical (Stamford) make rated at 500 KVA, 415 volts, 50 Hz, 0.8 power factor, with voltage regulation +/-1% all load between no load to full load & factor 0.8 to unit speed 1500 rpm having "H" class insulation. Winding connection will b

AVR-digital automatic voltage regulator (part of PCC 1301)

Bearing:- Long lige single bearing

Enclosures:- Drip proof & screen protected IP-23

Parallel operation:- all machines shall be suitable for operation in parallel. Damper winding shall be provided to facilitate parallel operation.

The alternator shall be of self-excited, self regulated, self ventilated in brushless design, provided with suitable automatic voltage regulator and shall confirm BS:2613 or BS:5000 and shall give rated output at NTR condition.

One set of essential accessories shall be supplied with each D.G. set. This set of accessories shall comprise of the following:-

Base rail with integral fuel tank, one No. Sub-Base tank of 375 liters capacity for DG set, for electrical control circuit of 24 volt DC, 2 Nos. Batteries of 12 volts 180 AH each (dry and uncharged) of PRESTOLITE/ Exide make with battery leads for electricity.

SOUND ATTENUATED SYSTEM

Thickness of sheet-16-G.

High class sheet metal fabricated enclosure for reducing the noise level of DG set & also acts as a weather proof housing. Genset will be a integral part of acoustic enclosure and whole construction will be multi-fold sheet channel & ISMC section. Encl.

ACOUSTIC MATERIALS:-

Rock wool in the form of slabs of 100mm thickn ess and 96 KG/Metric cube density specification of Rock wool confrom to IS 8183). Further to increase the life of acoustic material resin coated fiber glass cloth is provided on exposed surface of Rock wool.

VETILATION

Acoustic enclosure is designed in such a way that there are no hot pockets around engine and it is provided with suitable designed radiator which does not allow that temperature to rise more than 70 degree celcius above ambient temperature.

To achieve optimal output and minimum sound level from the DG set, suitable opening with accoustic hood are provide for increasing the inflow of air required for combustion & forced ventilation. Air intake system as per the recommendations and engine required.

Acoustic hoods with noise splitters provided to block and reduce the sound leakage.

The sound control system designed to supports the sould level to 75 db maximum at 1 meter distance in open free field environment as per ISO 8528 part 10.

SILENCER

Specially designed low noice silencer is provided, silencer and engine exhaust outlet, connected with flexible SS below:-

VIBRATION ISOLATION:-

To avoid transfer of vibration from genset to enclosure & surrounding specially designed vibration isolators are used.

Complete job of supplying, installation, testing and commissioning of 500 KVA / 400 KW DG set, including price of DG set installation chargers cable connection etc. The same shall be placed on the PCC foundations of suitable dimensions. Engine Model:- KTAA 19-G 10 with AMF Panel.

KUMAR ELECTRONICS CO.

M/s Naresh Elecric Works