Providing DG set with AMF Panel arrangements to Model School at Nagalur in Kallakurichi District

Supply of 1 No. 200 KVA diesel generator set with acoustic enclosure conforming to CPCB IV + Norms and BIS specification with AMF panel of 0.80 P.F three phase 415 Volts, 50 HZ, 1500 rpm as detailed below. 1) ENGINE : water cooled diesel engine suitable for generator application with a shaft output of BHP - 137at 1500 rpm under NTP Conditions as per BSS 5414 / ISO 10002/DIN6271/ISO.8528. The engine Shall comprise the following standard scope of supply: (Kirloskar/Cummins/Ashoke leyland/Greaves/Mahendra/Unitech) 1). Dry type air cleaner 2) Expansion blow 3)Radiator, Radiator fan and mounting, 4) Air to air charge cooler 5)Exhast gas turbo charger 6)Lube oil Cooler and Lube oil filter 7) Fuel filter (pre and Micro) 8) In-line mono-block fuel injection pump with 9) Electronic Governor 10) 12V Battery charging alternator 11) 12 Volt electric starter motor. 12) Engine test certificate 13) Residential Mufler 14) Fly wheel with starter ring Engine Instrument panel Mounted Engine control panel consisting of ON/OFF/START key, Lube oil pressure gauge, oil temperature gague,high water temperature gauge and electronic hour meter and RPM indicator. SAFETY SYSTEM OF ENGINE The engine shall trip for the following conditions with visual alarm device 1.Low lubricating oil pressure.

2.high water temperature 3.Vee-belt failure and over speed . The visual indicator should also be provided for low battery indication The engine should be capable of providing 10% over load for one hour for every 11 hours continuous running at full load 2.ALTERNATOR: Alternator capacity of 200 KVA/ 160 KW, AC 3 phase, 50HZ,415 Volts, 0.8pf, 4 wire self exited, self regulated with voltage regulation of (+) or (-) 5% class F/H insulation SPDP enclosure and to run at 1500 rpm under NTP conditions conforming IS4722/13364 to be coupled directly to the diesel engine and test certificate(.Kirloskar green / Crompton/Greaves/ Stamford/Jyothi/equivalent.) 3.AMF CONTROL PANEL The AMF control panel cubical should be fabricated with vermin proof and duct proof best quality sheet steel and floor mounted with removable rear panels and hinged front door with enamel paint and incorporating the following suitable provisions for connecting incoming and outgoing leads have been made on the control panel 1) 1 No. Ammeter selector switch 2) 1 No. AC Ammeter 3) 1 No. Voltmeter selector switch 4) 1 No. AC Voltmeter 5) 3 Nos current Transformer suitable ratio 6) 1 No. Frequency meter 7)1 No KWH meter 8)1 No. Power factor meter

9) 1 No KW meter 10) Battery charging set comprising of the following for charging the battery from mains 3 Nos. current transformers with suitable ratio a) Transformer/Rectifier b) DC Ammeter c) DC Voltmeter d) ON / OFF switch e) Charging rate selector switch f) Circuit breaker g) Voltage regulator Note : This will be in addition to the bettery charging alternator fixed to the engine 11) 1 set Air - break contactor with auxiliary neutral contactor for main supply 12) 1 set low voltage HRC fuse for short circuit protection of the main supply 13) 1 set alternator contactor with auxiliary neutral contactor 14) 1 set three pole bimetal release for over load protection of alternator 15) 1 set low voltage HRC fuse for the short circuit protection of the alternator 16) 1 set DC control relay incorporating engine start/stop and failure to start/lock out 17) 1 set selector switch auto / manual 18) 1 NO. push button start

19) 1 NO. push button stop 20 ) 1 NO. push button reset 21) 1 No. signal lamp for indicating load ON main 22) 1 No. signal lamp for indicating load ON set 23) 1 No. signal lamp for indicating fails to starts. 24) 1 No. signal lamp for indicating set running 25) 1 No. signal lamp for indicating battery charger ON 26) 1 set pilot lamp of 3 Nos 27) MCCB of 200 A capacity with magnetic over load release, instant short circuit. 28) Rectangular copper bus bars (1 No. for each phase, neutral and earthing terminal) of adequate capacity duly colour coded with heat shrinkable PVC sleaves. 29) 1 No. mains voltage monitor 30) Hooter / Audio alarm for indication set fails to start and for DG O/L 31) 1 set timer 32) Audio visual indicator arrangements for a)low lubricating oil pressure b) High water temperature. c) Over speed 33) 1 No. earth fault relay 34) Isolator to isolate the neutral Note: 1. The control panel should be complete with necessary fuses, cables, lables, other accessorries with neutral isolation arrangements 2. The engine should trip for the following conditions a) Low lubricant pressure

b) High water temperature. c) Over speed 3. Control panel should be complete with necessary supply and laying of multi core cable annunciation cable of suitable capacity between engine and AMF control panel of the generator 4) ACOUSTIC ENCLOSURE Acoustic enclosure shall be powder coated and fabricated out of 16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Critical processes of punching are done on CNC machines to maintain dimensional accuracy of holes within 0.1 mm. Power coating is done after seven-tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT form 64kg/m3 density of 100mm thickness as acoustic material. Four hinged doors shall be provided to canopy. The avarage sound level at 1 mtr distance shall be less than 75 DBA avarege or as per CPCB norms. Surface Treatment - Painting. The enclosure surface shall be suitably treated for degreasing, de rusting and posphating. The canopies, are passed through seven-tank treatment thoroughly. Additional features of Canopies Canopy fabricated on CNC machines with dimensional accuracy of 0.1mm so as to increase its durablity.Special designed supporting rips/ structures are used in Kirloskar green canopies so as to give sturdiness and to reduce the vibrations of the DG sets if any.

Worldclass cooling package Canopy shall have cooling package for which it can perform at 45 deg C ambient temperature. No grouting required on the ground, only a level surface capable of withstanding the DG weight. Lifting hooks are provided for the acoustic enclosure, which should unloaded independent of the DG set. The Gen set base frame is also provided hooks for unloading. Temperature rise inside the canopy: Kirloskar green canopies are very well designed so as to maintain the temperature difference between ambient and air inlet at air cleaner within the enclosure well within 5-7 deg centigrade. 5.BASE FRAME: Base frame is fabricated in sheet metal, The base frame is rugged in construction and designed for mounting engine and brush less alternator close coupled, with crossmembers mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure on it. The supply of gen set includes loading unloding and transportation charges 6.FUEL TANK 250 Ltrs. Removable Fuel tank shall be fabricated out of 1.6mm CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections and mechanical fuel gauge. Fuel tank can be easily removed for cleaning or any maintenance. vent breather and gauge 7.BATTERY: 2 No 12 V Exide/ persolite battery with leads of 25 plates 180 AH

Supply and fixing of 315 A TPN switch disconnector fuse units in sheet steel enclosure with HRC fuses double break on suitable angle iron frame work with MS cable entry boxes with Earth connection only.

Supply and fixing of dust and vermin proof cubical type Bus bar box of size 3ft x 2ftx 2ft made of 16SWG sheet steel with door, lock and key arrangements with angle iron support with 4 nos 2" x 1/2" insulated tinned Cu bus bar for 3 phases and neutral.

Supply and fixing of 250 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with Earth connection only.

Supply and fixing of 100 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with Earth connection only.