SUPPLY INSTALLATION TESTING AND COMMISSIONING OF 125 kVA DG SET AT TEA COUNTY MUNNAR

Electrical works

Supply, Installation, Testing and Commissioning of 3 phase 125kVA Diesel- Generator set with acoustic enclosure as per CPCB 4 plus norms suitable for placing in the outdoor with the following specifications. Engine : Suitable HP rated Water / liquid cooled, Radiator type, turbo charge aspirated 4 Stroke Electric Start engine with automatic speed regulation / digital engine governing system ofCummins Powerica / Greaves Cotton / KOHLER / Caterpillar or equivalent make to develop mechanical output so as to satisfactorily generate full load Electrical output in par with the Alternator specifications as per given below with out sag in line parameters at Electrical side as recommended by the OEM. Alternator: 100kW Brushless, Self excited, Self regulated alternator suitable for continuous operation at 1500rpm with Automatic voltage regulation system to Generate 3 Phase, 4 Wire 415V +/- 1 % AC 50Hz at 0.8 lag pf Supply, insulation class F/H, 2/3 pitch, double layer lap wound stator winding, dynamically balanced rotor, low THD conforming to BS 5514 & ISO 3046 of Stamford / Crompton / BHEL or equivalent make as recommended by the OEM. Acoustic Enclosure: Canopy type Acoustic enclosure including air intake / exhaust baffles, sliding doors with suitable hinges, locks etc. for the DG sets using acoustically treated panels housed in 1.6 & 3mm / 0.5mm CRCA / LCMS / HRCA sheet steel section filled with special grade 100 mm Thick 96 kg/m3 Density Rock Wool, covered with R. P. Tissue Paper and Expended metal on wall specially designed for optimum sound attenuation with frameworks complete. with inspection lamps, inspection glass window, provision for Cable Entry, control cables, etc. complying to IS 8183.

Standard Accessories: Both Engine &; Alternator shall be suitably coupled and mounted on common channel iron base frame with standard accessories such as anti vibration pad, required capacity battery, suitable battery charger unit with charging arrangements from direct mains (providing 6/16 A socket and its circuit wiring to the nearest power point). As per OEM standards Capacity Diesel tank, residential type silencer, suitable cable termination box etc. complete as per Electrical Inspectorate standards, rules & regulations Generator Control Panel: Dust tight, vermin proof GCP falling to IP43 category fabricated out of 16 / 1 SWG CRCA Sheet Steel painted as per standards of the following specifications (All switches shall confirm to conforming to IEC 60947-2 standards). The Panel shall be provided with Digital Engine Controller unit suitable for integration to PLC based Auto Mains failure / Auto Load Sharing Relay system, including suitable rating Microprocessor based type MCCB having overload & short circuit protection as recommended by OEM, TPN best conductivity busbar with SMC supports, heat shrinkable sleeves etc. capable to handle generator full load current, multifunction / individual meters to read current in each phase, line to line and phase voltages, energy generated ( Wh) per phase and cumulative, hours of operation, power factor status, RYB Phase indicators ( LED Pilot type ) with suitable rating control MCB including all necessary control wiring etc. complete as per standards. ( Note : - Glanding ; Termination works will be in the supplier scope. The GCP shall meet all the statutory requirements complied with the Kerala State Electrical Inspectorate ).

Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required.3 core 150 sq mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2 X 150 sq. mm (50mm)

Supply and laying 4Cx1.5 sqmm armoured copper control cable along with maincable through trench/wall/ ceiling

Supply and laying 2Cx2.5 sqmm armoured copper control cable along with main cable through trench/wall/ ceiling for battery charging

Providing cable glanding for 4C x 1.5 sq mm & 2C x 2.5 sq mm control cable using Siemens type Brass compression gland & Copper lugs etc. complete

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required

Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm)

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

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Supplying and fixing of MS, B Class exhaust gas pipe of dia. upto 100mm conforming to IS:3589 cut to required lengths along with necessary bends,supports,clamps,anti vibration mountings etc. as required upto the top of the nearest building as per pollution control board norms

Providing 15mm thick cement plaster of mix 1:4(1 cement: 4 fine sand) at all levels

Supply and providing 2mm thick, (195X 96.5)cm size electrical grade chequered type rubber mat to withstand 3.3 KV dielectric strength conforming to IS 5429/ 1969

Please Enable Macros to View BoQ information