PROVISION OF 300 KVA DG SET WITH AMF PANEL FOR HYDRODYNAMIC RESEARCH WING BUILDING No P 103 AT NSTL VISAKHAPATNAM

Amount

Supply, install, connect, test & commissioning of Manufacturer / OEM assembled Silent Type (DG) Diesel Engine driven Generating Set having prime power rating of 320 KVA/256 KW at a power factor of 0.8 lagging, 415 Volts, AC, 3 phase, 4 wire, 50 Hz, 1500 RPM, alternator directly coupled with diesel engine, mounted on common base frame complete with an overload capacity of 10% for one hour in every 12 hours operation and alternator as per IS: 13364 or as amended upto date complete with relay panel and switch gears for automatic starting on main failure, control panel having meter and sound proof canopy with acoustic enclosure with inbuilt fuel tank, fuel line & accessories, PCC foundation work as per manufacture's instructions, anti vibration pads, OEM recommended Standard Panel showing standard parameters of engine & alternator, exhaust pipe & other standard accessories and comprising the following complete as per CPCB-IV norms all as specified and directed:-

(A) ENGINE (Prime Mover): Diesel Engine, four stroke, 8 cylinders, liquid / water cooled, turbo charged, air to air after cooled, conforming to ISO 8528, capable of giving adequate at 1500 RPM to drive alternator capable of delivering minimum 320 KVA (256 KW) at outdoor atmospheric conditions at Visakapatnam and capable of taking 10% overload for one hour after 12 hours of continuous operation, complete with the standard fittings / fixtures as per manufacturer and following accessories as specified and directed. Make: Greaves Cotton. (i) Fly wheel housing and fly wheel. (ii) Air cleaner dry type replaceable paper element type with restriction indicator. (iii) Electronic governor. (iv) Fuel filters as per manufacturers recommendations including water separator, fuel pump, Fuel injection pump (FIP) and injectors. (v) Radiator, Fan & water pump assembly. (vi) Forced lubrication - Pump, Lub oil filter & Lub oil cooler. (vii) Exhaust silencer: As per CPCB-IV Norms. (viii) Exhaust gas driven trubo charger. (ix) First fill lube oil and coolant and diesel during commission and testing.

(B) ALTERNATOR: Alternator shall be self excited, self regulated, brush less for 256 KW / 320 KVA at the speed of 1500 RPM at 415 Volts, 50Hz, three phase, 4 wire system with advance electric voltage regulator to ensure high voltage accuracy with + 0.5% with class H insulation and enclosure IP 23 ingress protection, directly coupled with engine through flexible coupling and confirming IS-4722 complete - 01 No. Make of Alternator: Stamford (CGT) / Greaves Cotton Electric / Leroy Somer / Crompton Greaves. (C) BASE FRAME & FOUNDATION: Common base frame for Engine & Alternator made from structural steel channel, PCC foundation including adequate number of suitable anti-vibration pads all as per the recommendation of the manufacture. (D) ELECTRICAL STARTING SYSTEM: Electric starting system with battery charging alternator and axial type starter motor including adequate number of high capacity maintenance free batteries as recommended by OEM / manufacturer including interconnecting cables / leads with terminals complete with starting / stopping switch, Voltmeter etc - 01 Set.

(E) ACOUSTIC ENCLOSURE: Corrosion resistant, acoustic and weather proof enclosure with durable industrial locking system on doors, doors with gasket made of high quality EDPM Material with arrangement for fresh air intake for cooling of Engine & Alternator, extraction and discharging of hot air to the atmosphere, made out of CRCA sheet with 11 tank pre treatment process and UV resistant powder coating and high quality noise absorbant & fire retardant grade acoustic insulation material (Rockwool) complying to IS 8183 well suitable for 320 KVA DG set to reduce noise level to 75 dbA, measured at 1.00 meter distance conforming to CPCB IV norms. Enclosure shall have inbuilt base frame mounted fuel tank of standard capacity as per OEM design, fabricated mounted inside the encloser along with fuel piping from tank to engine capacity as recommended by OEM with drain valve, air vent, inlet, outlet connection and suitable exhaust pipe duly cladded with glass wool and covered with aluminum sheet inside the encloser and exhaust trail pipe with muffer complete all as per manufacture's design.

(F) DG SET mounted Microprocessor based Control Panel: Fitted with & having digital display for the following:- (a) Phase voltages & Currents, frequency, Reverse Power, Gen set KVA, KW, KWH, KVAR, Power factor, Canopy temperature. (b) Lub Oil Pressure, Engine Temperature, RPM, Run hours, Number of starts, fuel level, Auto / Manual stop, battery charge condition, AMF feature. (c) Battery charging failure, Over / under speed, Over current, Over / under voltage, over KW, phase seq, phase missing, Mains under voltage, Earth fault trip, Fuel usage alarm. (d) Low Lub oil pressure, High Engine temperature, Low / High battery voltage, Low fuel level, over crank protection, routine maint indicator, Gen set test facility, Mains frequency. (G) AMF Panel: Supply, Fabricate, install, connect, test & commissioning of LT AMF & Electrical panel suitable for 320 KVA DG with all standard protection as the relevant IS and comprising following: -

Supply, laying & testing cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 400 sq. mm 3.5 core complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground lavel) with top edge of the plate not less than 1.5mtr below normal ground lavel connected to GI earth strip 32 x 6 mm by mean of bolts, nuts, check nuts and washer of galvanised iron steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including PCC pit and CI cover fullel with watering pipe, wire mess and copper lugs etc GI protection pipe of suitable size including testing on completion all as specified and directed. Note: (i) Quoted rate deemend to be included for necessary earth work, PCC chamber, RCC cover, renforcement removal of surplus soil, site clearance etc. (ii) GI earth strip 32 x 6 mm, GI tubing light grade of suitable size upto 7.5 mtr deemed to be included the rate quoted by the contractor.

M&L for earthing continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc, as required 2mm dia galvanised iron or steel wire 32 x 6 mm galvanised iron strip required complete all as specified and directed.

M&L for excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. in hard / dense soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in thick complete all as specified and directed.

M&L for Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed.

M&L for dry sand cushioning to under ground cable in trenches including spreding, leveling and hand punning complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover class LV type I, size 250 x 150 x 40mm complete all as specified and directed.

M&L for cement concrete (1:2:4) type B2 (using 40mm graded stone aggregate) as in foundations filling and mass concrete complete as specified and directed.

Cutting trench of width 30cm and depth n.exc 60cm through road / hard standing for laying cable through GI pipe and returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm after laying the cable complete all as specified and directed.

GI tubing light grade 150mm for cable protection laid under plinths / floors / roads / paths / culverts or fixed on walls or concealed in walls or along the steel poles by means of M.S.F.I clamps with necessary bolts nuts & washers etc complete all as specified and directed.

MVV Prasad (BID ID -3129767)

AARAV POWER CONTROLS (BID ID -3131431)

Electromech Engineers (BID ID -3130897)

Roy and Sons Infrastructures (BID ID -3131587)

SIVA MARUTHI ENTERPRISES (BID ID -3130130)