PROVN OF DG SET AND ISOLATION TRANSFORMER AT 9 BRD UNDER GE (AF) LOHEGAON

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 sq mm 3.5 core including cable lugs and heat shrinkable sleeve in panel, complete all as specified and as directed by Engr-in-charge.

Supply, install, testing and commissioning of approved Authorised factory assembled sound proof encloser diesel generator set of totally enclosed and sound proof (with acoustic enclosure) of capacity 320 KVA, 3 phase, 4 wire, 415 volts, 1500 RPM, AC power supply with power factor 0.8, coupled directly to alternator mounted on common base plate complete with fuel tank, battery and standard accessories and fittings, vibration pads, Necessary foundation as per manufacturer recommendations is deemed to be included in the quoted rate. all as specified and directed. The genset shall conform to Latest CPCB norms for noise and emission limits and including the following : (a) Alternator :- Standard design alternator rated at 320 KVA net output at site after considering all derating factors, site conditions and at power factor 0.8, AC 3 phase, 4 wire 415 volts, 50 cycles, 1500 RPM, self excited, self regulated, screen protected, drip proof IP-23 enclosure, brushless design, insulating class H, voltage regulation +/- 1% operated voltage from no load to full load and shall be in position to generate supply with frequency regulation within +/- 3% tolerance, revolving field type. (b) DIESEL ENGINE: Adequate capacity diesel engine suitable to above alternator, radiator water cooled, to drive independently above alternator and after considering derating as per site conditions directly coupled to alternator multicylinder, multistroke, direct injection, cold starting, 1500 RPM, with an overload cap of 10% for 1 hour in any 12 hours continuous running complete with standard accessories all as specified and required for safe running and operation with accessories shall be as under:- (i) Flywheel (ii)Air cleaner wet/dry type (iii) fuel Filter (iv) Fuel Injection system incl.injection pump, solenoid switch, nozzle as per manufacturer's specifications (v) Lubricating oil filter (vi) Lubricating oil pump (vii) Turbocharger (viii) Radiator

Description of Srl Item No 2.00 Contd./- (ix) 24 volts starting system consisting of batteries of capacity as recommended by manufacturer, battery connections with copper leads and with lugs of adequate size, initial charging of batteries, battery charger/ generator with regulator, starter motor, starter gear (x) Exhaust silencer complete with exhaust pipe of suitable dia. (xi) Microprocessor control electronic metering and module for indication of battery voltage, oil pressure, engine RPM, hour meter and protection against low oil pressure and over speed of engine including electronic governing. (xii) Battery charging system with suitable capacity battery charger complete with necessary connecting leads etc all as directed (xiii) Radiator water cooled system comprising of radiator, radiator fan belt. (xiv) Fuel hoses. (xv) In Built Fuel tank of 08 hours run on full load capacity of DG set (xvi) Air intake system (xvii) Common base frame of sturdy design suitable for antivibration mounting and permanent concrete foundation for mounting engine and alternator as per manufacturers instructions. (xviii) Extension of exhaust silencer complete with exhaust pipe of suitable dia from out side canopy to out side of bldg/shed all covered with glass wool wrapped with aluminium foil of 28 SWG adequate to create draft for safe exhaust without transferring vibrations to buildings / walls, flexible exhaust pipe complete. (xix) DEF Tank with First fill DEF for Testing (c) CONTROL PANEL:- CRCA Steel fabricated indoor type for controlling the above generating set. The control panel shall consisting of the following components:- (i) MCCB Four Pole 630 Amps, 35 KA - 1 No ,ICS=100% ICU (ii) Set of indicating lamps - 03 No (Load ON DG/Mains & Set Running) (iii) Set of instrument fuses - 01 Set, (iv) Set of current transformers - 01 Set

Description of Srl Item No 2.00 Contd./- (d) AMF Panel :- Control cubical fabricated from 2 MM thick CRCA Sheet duly pretreated & powder coated finish with iron angle base frame Support floor mounted with removable gland plates, hinged front & back openable door with locking arrangement and provison for connecting incoming and outgoing cable leads and the following accessories : (a) Copper bus, bar, 3 phase, 4 wire, 750 Amps - 01 Set (b) AMF Controller including electrical wiring, Control MCB, Fuses etc, having auto/Manual mode selector switch, Engine Start & Stop Button, LCD display to indicate Engine & Alternator Paramaters - 1 Set (c) MCCB 630 Amps, Four Pole, 35 KA, ICS=100% ICU,415 Volts - 3 Nos (Mains Supply, DG Supply & Load) (d) Power contactor 4 pole 630 Amps - 02 Nos (Mains Supply & DG Supply) (e) Auto Manual Selector Switch with wiring - 1 Set (f) DG set ON/OFF Push Button - 1 Set (g) Control ON/OFF Selector Switch - 1 No (h) AC / DC relay & timers (j) O/L relay (k) CTs Set of 3 - 2 Set (l) Load on DG Indicator - 1 No (m) Load on Mains Indicator - 1 No (n) Mains ON Indicator - 1 No (o) DG ON Indicator - 1 No (p) Digital VAFPAF meter : 01 Nos (q) Supply and lay Control cable LT 1100 Volt PVC insulated armoured heavy duty copper conductor of suitable size multicore from DG Set to AMF panel (r) MCB, Connector, internal wiring as per OEM recommendation (g) Any other components/parts as per manufacturer instructions and as directed by GE required for entire completion of the item.

Description of Srl Item No 2.00 Contd./- (e) Acoustic Enclosure - Composite type made of CRCA sheet and structural/sheet metal base frame duly painted with air inlet louvers, including noise absorbant and fire-retardant grade acoustic insulation material, including removeable gland plate at lower level of canopy for cable cable entry. Note : (i) Technical Specification of DG Set alogwith foundation detail drawing of DG set shall be submited by Contrcator for approval of Garrison Engineer within 15 days of Acceptance of Contract. (ii) Lay out drawing of AMF Panel shall be submitted and got approved from GE before fabrication. (iii) The capacity of Generator set shall be net after all due derating factors as per relevant ISI standard. (iv) The quoted rate shall be deemed to be inclusive of first fill of oil. (v) The quoted rate shall be deemed to be inclusive of 12 hours test run at site including one hour on 10% overhead in presence of representative detailed by accepting Officer, all arrangements like fuel, test load, T&P, manpower etc are to be made by the contractor for tests. (vi) The quoted rate shall be deemed to be included the foundation work of DG sets as recommended by the Manufacturer and specified in the PS. (vii) All other connected items required for smooth function in all respect of DG set and Control panel deems to be included in quoted rate, no extra cost to be paid other than quoted rate and cost of disconnecting existing cable from LT Panel and reconnecting the same in AMF panel is included in quoted rates and nothing extra shall be paid in this account.

Supply, installation,Boring, erection, testing and commissioning of Copper bonded(150 micron) MS solid rod electrode of dia 17.2 mm and 6 mtr long with high purity electrically conductive granular material having ultra low resistive value of 0.001 Ohm-m. Earthing Electrode shall be made by embedding copper bonded MS Rod electrode in 100mm dia macronite conductive concrete made by mixing high purity conductive granular mixed with cement in the ratio 2:1 (2 part of high purity electriclly conductive granular and 1 part cement and one litre of water per kg of mix ). The earthing electrode shall be augured in bore hole of dia not less than 100mm and 6 Mtr depth. The conductive material shall confirm to BIS: 3043-2018. The rod shall be embedded in conductive concrete at factory with concrete having resistivity 0.040 Ohm-m. The top edge of the electrode shall comprise of plate provided with 04 holes for connections of the earthing strip,including brass nut bolts for connections of the strip the copper strip shall be duly brazed/welded with connection terminal of earthing rod, including FRP square chamber cover 300mm x 300mm x 250mm with top cover complete all as specified.All the material such as copper bonded MS rod and concrete mix shall be Ph nuetral, chemicaly inert and non corrosive complete all as specified and directed by Engr-In-Charge. i) The contractor shall submit type test report issued by the CPRI for high purity, electrically conductive earthings , confirms to rated short time withstand current 20 KA per sec. ii) The factory made electrode shall be tested at factory and test report shall be submitted. iv) The contractor shall obtain make approval for high purity electrically conductive granular duly by submitting certificates conforming to resistivity is 0.001 ohms by granular manufacturer. v) On installation of earthings at site, 04 to 05 Nos earthings shall be connected in grid to achieve less then 1 ohm resistance of grid, If desired resistance is not achived the contractor shall redo the same without any extra cost. vi) The contractor shall submit certificate issued by OEM of earthing electrode starting that " The desired maintenance free earthing resistance less than 1 ohm.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)1100 Volts grade with stranded copper conductor of size 35 Sqmm 3.5 Core , complete all as specified and as directed by Engr-in-charge.

M&L for providing earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6mm as earthing lead buried directly in ground vertically to a depth not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 Mtr below normal ground level connected to and including galvanised iron strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts & washers etc made of GI and connected to earthing test point, providing charcoal and common salt all as shown in electrical plate No. 3 of SSR Part I of 2009 & as specified or indicated and testing on completion including exaction/earth work in any type of strata PCC (1:3:6) type C1 earthing chamber, pre cast slab 50 mm thick in cement concrete (1:2:4) type B1 (reinforced with welded steel wire fabric (XPM) weight not less than 4 Kg/sqm), funnel with wire mesh, watering pipe of 20 mm bore medium grade and lugs, including galvanised iron strip 32x6 mm with GI protection pipe of 40 mm medium grade 7.5 meter long, etc , complete all as specified and as directed by Engr-in-charge.

Supplying and laying and testing of size (OD-120mm, ID-103mm Nominal Dia) DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. in the existing trench , complete all as specified and as directed by Engr-in-charge.