SPL REPAIR REPLACEMENT OF DG SET AUTOMATIC VOLTAGE STABILIZER AGAINST BER AND PROVN OF DEEP FREEZER REFRIGERATORS FOR OR MESS OF COSR AT RMS

Amount

Supply , installing, testisng, and commissioning of factory assembled diesel engine driven generating set coupled with alternator AC to give continuouse output of 62.5 KVA/50 KW at a power factory of 0.8 lagging, 415 volts, 3 Phase, 4 wire, 50 HZ, 1500 RPM, directly coupled with diesel engine, liquid cooled, moounted on common base frame complete with fuel line, built fuel tank (service tank) of adequate capacity with fuel line, built in electronic governor and accessories, PCC foundation work as per manufactures instruction, vibration damper pads, micro processed based relay panel for automatic starting on mains failure, control panel showing all parameters of engine and alterantor, sound proof canopy (Sound level not exceeding level specified by Central Pollution Control Board-II) and other accessories etc. Taking down of old DG set 62.5 KVA from foundation and removing from site and deposited to MES store yard and confirming to the under - mentioned technical specification confirming to BS: 5514 and IS 10002 complete in all respected with following accessores, parts all as specified and directed.

ITEM 1.00 CONTD.. (a) Diesel Engine (i) Fly wheel to suit coupling (ii) Flexible coupling with guard, bolts and nuts,etc.for exhaust system (iii) Dry type air cleaner filters (iv) Radiator with guard and radiator fan (v) Fuel pump complete with fuel injection systems (vi) Electronic speed governor (vii) Fuel filter (viii) Lub oil filter (ix) Self starter 12 Volts DC (x) Exhaust silencer industrial type with pipe 3 m long (xi) Turbo charger (xii) Lub oil pump (xiii) Lub oil cooler assembly (xiv) Alternator 12 V for charging of battery (xv) One hand rotary type fuel pump connected with heavy duty pipe upto the tank (xvi) Instrumental panel with the following:- (aa) Self starting key and switch (ab) Lubricating oil pressure guage (ac) Battery charging ammeter (ad) Hour meter and RPM indicator (ae) Lub oil temp guage (af) Water temp guage (xvii) Control panel with MCCB as per OEM- 1 No (xviii) Emergency stop push button outside of the container/ Canopy.

ITEM 1.00 CONTD.. (b) Alternator:- It shall be self excited self generated balanced 415 volts, 3 phase, 50 Cycles per second, 62.5 KVA at 0.8 PF or nearest in higher capacity, 1500 RPM, star connected, 4 wire, drip proof enclosure, air cool with radial fan mounted on rotor, screen protected, self ventilated enclosure as per IS 4722/IS 2613 & IEC 34.10 or latest IS code and with drip proof enclosure with damper winding on pole faces, static automatic voltage regulator to provide voltage regulation +/-1% and harmonic factor better than 2% from no load to full load from 0.8 to unity power factor, efficiency 92% at 100% load/0.8PF, voltage drop at full load ≤ 20% and insulation of H class and above as per standard practice of OEM (c) Starting batteries 12 V, 90 AH maintenance free with suitable size of cable including fitting and terminals on angle iron frame(self starter sytem with 12 volt DC) - 01 No Make Exide/ Amaron/Nicco/ Amco. (d) Fuel tank: Made of 1.6 mm thick CRCA sheet and having continous running of 12 hours at full load with level indicator to indicate the oil level of diesel tank, fuel strainer air vent inlet and out let connections with MS pipe of suitable size complete all as specified and as directed.

ITEM 1.00 CONTD.. (e) Sheet steel components pre-treated with zinc phosphate prior to polyster powder coating (f) Zinc plated or stainless steel fasteners (g) EPDM quality gasket (xix) Provison of light inside the canopy. (xx) Radiator filling access facility from out side (h) Engine and alternator shall be mounted through AVM Pads on common channel iron base frame. (j) Noise level, less than 75 db (A) at 1 mtr distance controlled by providing specially designed alternator to controlled the sound at air entry and exit of the enclosure.(The make of Acoustic enclosure shall be OEM of DG Set) (Foundation: Cost of PCC foundation as per manufacturer's instructions shall be deemed to be included in the Quoted rate)

Supply and laying under ground XLPE insulated PVC sheathed (Heavy duty) armoured 1100 volts grade aluminium conductor cable of size 35 Sqmm 4 core laid in trenches as per IS 7098 (Part I) including connection cable glands, aluminium lugs etc complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe shall be measured and paid separately under respective item.

Excavation in trenches, n exc 1.5 m wide and depth exc. 1.50 m but n.exc 3.00 m ; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil etc complete all as specified and as directed.

Returning, filling in, of soil including spreading leveling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed .

Removing exvated material to a distance n.exc 50M and deposited/ spreaded where directed at a level n. exc 1.5 M above the starting point complete all as specified and as directed .

Materials and labour for sand filling around the cable with approved quality coarse sand for sand cushioning of Under ground cable including spreading and punning down to 23cm thickness complete all as specified and as directed.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ over burnt brick of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and as directed.

Materials and labour for Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron strip 25×4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion.

M&L for Earth 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 25x4mm galvanised iron strip

Supply and fixing Voltage stablizer for automatic operation single phase indoor type and designed for input variation between 90-300 volts with digital disply out put voltage stablizer at 230 Volts with energy of± 2.5 % and of capacity 5 KVA

Supply and fix frost free refrigerators, electric driven (single phase), Suitable to working on AC 220 Volts (+/-) 12%, 50 HZ, CFC free Regrigerant, Double Door wtih miniumum 5 Star rating with ISEER as per lates Ministery of Power notification capacity more than or equal to 322 Litres auto deforest system complete all as specified and directed. Make LG/ Bluestar/ Godraj/Samsung

Supply and fix 1.0 KVA wall/ floor mounted type Electronic voltage Stablizer for auotmatic operation, single phase naturally air cooled indoor type and designed for input variation between 150V to 280 V with output stabilized at 230 Volt with accuracy of (+/-) 2.5% all as specfied and directed by Engr-in-Charge.

Supply, installation, commissioning of Glass Top Deep Freezer single phase 240 volt, 50 HzSuitable to working on AC 220 Volts (+/-) 12%, 50 HZ, CFC free Regrigerant, wtih miniumum 5 Star rating with ISEER as per lates Ministery of Power notification capacity more than or equal to 320 Litres a complete all as specified and directed. Make LG/ Bluestar/ Godraj

P K ELECTRICAL

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