Replacement of Existing old 200KVA DG set with 320KVA generator set with AMF Panel and Changeover at Punjab Bhawan Sec 3 Chandigarh

XLPE INSULATED ARMOURED CABLES (UNDERGROUND):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 1metre below ground level including excavation, sand cushioning, covering with sand & First Class bricks and back filling the trench etc., of the required size as per PWD General Specifications:-

Overall size 500sq.mm (3½ Core) Armoured (Underground)

COPPER EARTHING (Upto 14 metre in Length):Earthing with electrolytic Copper Tape rivetted (with 5Nos. copper rivets)/Steel Nut & bolts (with 4Nos. 32mm long, 8mm thick with washer and double nut) to 30cm x 120cm x 2mm thick copper plate (made cylindrical) burried 10.50 metre (34.44 feet) below ground level in the hole of excavation having bore dia. 125mm and surrounded by salt & charcoal dust mixture (20 kg.) including fixing the Copper Tape recessed in wall and in floor etc., up to 14metre in Length (including bore Length). G.I. pipe 20mm dia. (A-class), 9metre 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. 300mm x 300mm x 300mm deep haudi of First class bricks finished with 1:4 cement plaster and haudi covered with cast iron lid having size 300mm x 300mm (Heavy) around the hole of excavation:-

Earthing with 25mm x 3mm Copper Tape (upto 8Metre in Length)

Earthing with 25mm x 5mm Copper Tape (upto 8Metre in Length)

CABLE TRAY:Supply and erection of MS perforated cable tray (MS Sheet thickness 2mm) with DA gray paint on the existing surface with the help of MS angle iron support (to be painted with approved paint) of size 50mm x 50mm x 6mm thick to be fixed with fastners/ nut & bolts etc., complete in all respect as desired by the Engineer-in-charge and as per PWD General Specifications:-

Cable Tray Size 150mm x 50mm x 50mm (2mm thick)

DOUBLE WALLED CORRUGATED (DWC) HDPE PIPES:Supply and erection of Double Walled Corrugated (DWC) HDPE pipe to be laid 1mtr. below ground level including excavation placing the pipe in position and back filling with excavated soil etc. of the required size:-

Double Walled Corrugated HDPE Pipe 160/ 136mm (Outer/ Inner dia.)

ON LOAD CHANGEOVER SWITCH (With Sheet Enclosure):Supply and erection of On Load Change over Switch with advance neutral UNIT in sheet enclosure on the existing surface. (Confirms to IS 13947 (Part-3). complete with G.I. Bolts, Nuts etc. according to the size of holes in the body of the enclosure & Connections on both sides of switch with suitable size of thimbles as per PWD General Specifications:-

On Load Change Over Switch Four Pole 630amp., 415volts (With Sheet Enclosure)

Supply and erection of heavy duty aluminium thimbles/lugs for cable end termination duly crimped including making necessary connections completely:-

Aluminium thimble cable Core size 500sq.mm

Supply, Installation, testing & Commissioning of CPCB-IV+ 320 KVA (256KW) silent DG set with weather proof and sound proof enclosure, 3 phase 415V, 4 wire, 50Hz, 0.8 power factor lagging, rated current approx 446Amps, ECU G2/G3 governed comprising radiator cooled CRDi Engine in-line 4 stroke, 6 cylinder minimum 380BHP at NTP, 1500RPM conforming to BS 5514 coupled to alternator that is brushless type, self-excited & self- regulated through an digital AVR. The alternator will be suitable for tropical climate and shall generally conform to IS:13364 and IS/IEC 60034, IP: 23 protections with class ‘H’ insulation.The enclosure shall be noise absorbent and fire retardant garde fabricated from CRCA sheet 14 / 16 SWG thickness with 9 tank pretreated before powder coating with ventillation system. Engine and alternator are mounted, coupled and aligned on a common channel iron/MS fabricated Base Frame with AVM pads, along with other accessories i.e. Fuel tank fabricated from sheet metal complete with drain valve, air vent and inlet and outlet connection, battery (12V or 24V DC) with leads, extended exhaust silencer with latest emission norms . The DG set must include microprocessor based controller which display various parameters(both monitoring and diagnostic), OEM should also provide test Certificate of diesel engine, Test certificate of Alternator and Test Certificate of D.G. Set.

Diesel Engine suitable for driving alternator of below rating, compression ignition, 4 stroke cycle, Radiator cooled, turbo charged, electrical starter motor with soft start, battery starting, 1500 RPM, suitable for below output of alternator at 40oC, 50% RH & at 210 M MSL and confirming to BS 5514, BS 649, IS 10000, capable of taking 10% overloading for one hour after 12 hrs of prime continuous loading, complete with all the accessories i.e. tachometer with hour meter, flexible coupling with guard, crank case of steel, crank shaft, conncting rods, electronic governing system, dynamically balanced flywheel, air intake manifold, Air cleaner, anti vibration pads, starter motor, including all other accessories required to complete the system.

Instrument Panel - Engine mounted Instrument Panel fitted with and having digital display for followings : Start stop switch with key Water temperature indication Lubrication oil pressure indication. Lubrication oil temperature indication. Battery charging indication RPM indication Over speed indication Low Lube oil trip indication Engine hours indication

Alternator- Synchronous Alternator of below capacity at 0.8 PF, 3 phase, 415 volts, 50 cycles, 4 wire, 1500 RPM, suitable for operation at 40 deg C, 50% RH & at 210 meter above MSL, capable of taking 10% overlioading for one hour after 12 hrs of prime continuous loading, brushless, self excited, self regulated through AVR, continuous duty confirming to IS 4722, BS 2613 suitable for tropical conditions, class H insulation, including terminal box suitable for bus duct termination as required.

Base Frame - Both the engine and alternator shall be mounted on suitable base frame made of MS channel which shall be installed on cement concrete foundation and vibration isolating arrangement as per recommendations of manufacturer. Microprocessor based Power command controller

Daily service Fuel tank of desired capacity fabricated out of 2 mm thick MS sheet complete with inlet and outlet connections, oil indication gauge, drain plug, air breather, provision for fuel transfer system, level indicators and all standard accessories etc. as required. it must have DEF tank.

Exhaust Silencer - Exhaust manifold with residential silencer. Starting system - 24 Volt DC starting system comprising of starter motors : voltage regulator and arrangement for initial excitation complete with 12/24 Volts suitable nos. lead acid type batteries of suitable AH. Ventillation System - Arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air into the atmosphere as per standard specifications.

The OEM should also provide minimum 24 months warranty from date of commissioning. The DG set must contain initially 350 litres in fuel tank. It must have DEF/Adblue tank. The DG set must be placed over newly built foundation to be 2 feet below ground level and 2 feet above ground level ,M25 level rcc foundation 1:1:2 with plastering the length approx. 6500 mm and width 3600 mm with 1 feet margin on platform. The DG set must be accompanied with AMF panel of suitable rating as compared to respective DG set and LT panel. The AMF panel must include contactors of suitable rating, relays, VMR and necessary protective devices for smooth functioning of the system. Complete in all respect as desired by the engineer incharge of the work at site.

Less Cost of old Existing DG Set L/S

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