PROVISION OF STAND BY SUPPLY FOR COMMUNICATION STATION AT CG ENCLAVE UNDER GE (I) CG GOA

Supplying, installing, testing and commissioning, factory assembled silent Diesel Engine driven generator set, fully wired alternator AC to give an output of 100 KVA continuously rating at a power factor 0.8 lagging, 3 phase 4 wire, 415 volts 50 Hz supply, 1500 RPM, directly coupled with diesel engine liquid cooled mounted on common base frame complete with inbuilt fuel tank (service tank) of adequate capacity with fuel line & accessories, PCC foundation work as per manufacturer's instructions, vibration damper pads, control panel & other accessories etc and comprising of following.

(a) Diesel Engine: Liquid cooled turbo charged with after cooler to deliver suitable BHP at 1500 RPM under NTP conditions of BS 5514 and conforming to IS 10001/ 10002, DIN 6271 & ISO 3046 with an overload capacity of 10% for one hour in any 12 hours continuous operation with the following accessories:. Diesel engine of rated speed at full load electric start developing with system with radiator and including electronic governor control of class A1, engine control panel, lub oil pump, water pump, fuel tank, exhaust pipe with silencer and suitable for electric start with batteries of adequate capacity and suitable for alternator of specified capacity complete with fly wheel direct/flexible coupling and coupling guard complete. (a) Radiator with blower fan or heat exchanger with guard. (b) Pipe coupling for engine cooling system piping. (c ) Corrosion inhibitor coolant (d) Paper element filters (i) Fuel filter (ii) Lube oil filter (iii) By pass (e) Fly wheel housing and fly wheel to suit alternator. (f) Engine bearing mechanism in fly wheel housing. (g) Shut off coil with safeties for LLOP/HWT/over speed. (h) Dry type air cleaners and vacuum indicators. (j) Residential silencers. (k) Stainless steel exhaust flexible bellows. (l) Battery charging alternator.

(m) Exhaust piping made out of STIC C class, MS pipe inclusive of all accessories and hardware, necessary supports scaffolding as per manufacturer's recommendations to sustain back pressure with rain cap. (n) Mineral wool insulation 2 inch thick suitable for 400 degree Celsius temperature cladded with aluminium sheet of 30 gauge for the entire length of exhaust pipe. (o) First fill of oil, coolant and diesel during commissioning and 12 hours testing. (p) Interconnecting copper cabling of adequate capacity batteries control. (q ) Fuel pipe class STIC 1" /1.5" /2" dia - 01 lot (r) Self starter 12 volts DC. (s) Electric operated electronic governor. (t) Fuel injection pump. (u) Electronic instrument panel, complete with all accessories as per manufacturer's specifications displaying the following:- (i) 12v -24V Battery as per OEM instruction (ii) Water temperature. (iii) lubricating oil pressure. (iv) Engine speed -1500Rpm (v) Engine hours (vi) Frequency. (vii) Voltage. (v) Safety control (Trip and indication). (i) High water temperature (ii) Low lube oil temperature (iii) Over speed stop

(v) Base frame: Sturdy, fabricated welded construction, channel iron base frame (duly painted) for mounting engine and alternator as per manufacturer's design along with AVM pads. (w) Battery:-12V-24 volts, as per OEM recommendation maintenance free battery conforming to IS:14257 with leads & terminals (Make- Exide/Amaron). (x) Fuel tank: 12 hrs. full load diesel storage capacity fuel tank with mounting brackets factory made of 5mm thick HR/MS sheet with level indicator fuel inlet, fuel outlet, air vent, drain plug, in let arrangement for diesel filling fro exterior canopy (without opening its panel) etc complete all as specified and directed. (aa) Isolator panel with 100 amp MCCB (ab) Auto logic panel for automatic stat (b) Alternator: Alternator suitable rated for 100 KVA, 0.8 pf , 415 volts, 3 phase, 4 wire, 50 Hz at 1500 RPM, self excited and self regulated with AVR brushless, screen protected, drip proof , insulation class-H, IP -23, voltage regulation grade - VG 3 self ventilated and conforming to BS: 5000 / IS: 4722 suitable for engine as mentioned here-in before, conforming to IS: 13364(part-1) MAKE: KOEL GREEN / STAMPFORD /CROMPTON/KIRLOSKAR/GREAVES (c) Acoustic Enclosure:- M & L for acoustic enclosure for the above 100 KVA DG set to reduce noise level to 75 dB measured at 1.0 meter distance for audible frequencies as per guide of Central Pollution Control Board and manufacturer's specification and comprising of following from authorised GOEMs of Gen Set manufacturer's specified :- (i) Sound insulation : 100mm thick Rock wool (Density 64 Kg/Cum). (ii) Outer body : 1.6mm thick CRCA (iii) Door : 1.6mm thick CRCA (iv) Base frame : ISMC 300 (v) Inside illumination : 1 No.- 1 x 18 watt LED fitting of make Phillips/ Bajaj/ Crompton.

(d) AMF Control panel:- Factory fabricated cubicle type, indoor type, IP-43, AMF control panel, (e) AMF control circuit with 4 pole MCCB 160 Amps - 2 nos, with ultimate breaking capacity Icu-16 KA at 415 volts and microprocessor release conforming to IEC 60947 Part-I with breaking capacity Ics=Icu at 415 volts ,-02 Nos. for main supply & DG set supply with HRC back up fuse complete with all DC control relays/ Line voltage monitor (LVM) as per OEM specifications incorporating motorised stored energy operating Engine start, stop, three attempt starting facility and failure to start etc. (f) Digital load manager : Three phase 4 wire indicating V, I, PF, KVA, KW, F of Enercon make with serial communication port model No.EM6400 with class 1.0 accuracy meter or equivalent make suitable rating of CT per phase- one No. (iii) Indication lamp R, Y, B with 3 Nos. of 2A HRC fuses-10 sets. (iv) Bottom gland plate for incoming and outgoing cables. (v) Circuit diagram plate. Note : DG set should be as per CPCB -4 latest norm wef 01 July 2023 of National Clean Air programme (NACP) Act 1981.

Material and labour for Earthing complete with Galvanised steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 m below ground level and connected to GI earth strip of size 32 x 6mm by means of bolts, nuts, check nuts, and washers of galvanized iron including PCC pit & cover with suitable handle, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with suitable funnel and wire mesh, 40 mm bore medium grade galvanized steel tubing for drawing earth lead GI strip protection (upto 7.5m long) & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete all as specified and as directed. Note: On completion of the work/job the Contractor is to perform earth resistance tests for each earthing job in the presence of the Engineer-In-Charge or his rep & submit test certificates duly signed & certified. If the test results are not satisfactory or not within the permissible limits of relevant Standards/IS then the job is to be redone without any extra cost to the Department till the results are satisfactory.

Supply, lay, testing of LT under ground XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor suitable for 1100V grade cross sectional area 70 sqmm, 3.5 core laid in trenches etc complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m deep and not exceeding 1.5 m wide and getting out in soft disintegrated rock/ laterite rock etc complete all as specified and as directed.

Returning filling in excavated earth work including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick in any strata complete all as specified and as directed.

Removing excavated material to a distance not exceeding 50m, depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.