SPECIAL REPAIR/REPLACEMENT OF DG SET IN CERTAIN AREAS UNDER AGE E/M UNDER GE PANAGARH AT PANAGARH MIL STN

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Supply, laying and testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 1100 Volts grade, cross sectional area 95 Sqmm 3.5 core complete all as specified and directed by Engr-in Charge.

Supply, installation, testing and commissioning complete of manufacture or OEM manufactured, static silent(sound proof enclosure) Diesel engine driven generating set of capacity 60 KW (75 KVA), coolant/water cooled, 415 Volts (AC three phase, 4 wire system of supply) 50 HZ at power factor 0.8 minimum. The DG set consists of Diesel Engine coupled to a matching alternator, through flexible coupling and mounted on common base frame and Complete with manual control panel fuel tank with mounting arrangement and inlet, outlet return inlet oil arrangement, exhaust pipe complete including PCC foundation of suitable size having at least 0.5 M height , anti vibration pads, including all features to compely with latest CPCB guidelines and comprising of Item 2.10 and 2.20 ,complete all as specified and as directed by Engrs-in-Charge.

Item 2.0 continued ... (i) ENGINE (Prime Mover): Diesel Engine 1500RPM direct injection, multi cylinders, four stroke, conforming to ISO3046/BS 5514, water cooled, naturally turbo charged, capable of giving adequate BHP to drive Alternator capable of delivering 60KW(75 KVA) at outdoor atmospheric conditions, Battery 12 Volt with terminals (as per manufaturer recommendations) complete with fly wheel all standard fittings/fixture as per manufacture and including suitable panel with tachometer , lub oil, temperature, pressure gauge and frequency meters and also including self stater system with electronic governor and engine protection system (Shut down, High water temperature, low lub oil, oil pressure, over speed etc) fuel tank and frist fill of lub oil and other consumables etc and self starting system incl batteries etc complete. (ii) Alternator: Brushless AC alternator, 3 Phase, 415Volt, 4 wire, rated for output of 60KW/75KVA, minimum power factor 0.8, 1500 RPM, IP 23 Protection classenclosure, insultion Class "H", salient pole, revolving field, single bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. (iii) Base Plate : made out of strutural steel as per manufacturers recommended design/specifications. (iv) Acoustic Enclosure: Sheet metal fabricated cope type silent enclosure manufactured on CNC machines as per CPCB norms and powder coated after seven tank process, the enclosure shall be designed for reducing the sound level to 75 dB (A) at distance of 1 M when DG set is working at full load along with testing conformance. (v) Foundation /Plinth/Base: Shall be provided as per manufacutrers recommendations, however minimum 0.5 m Space should be available all around the set and height of plinth shall not be less than 0.5 m

Item 2.0 continued ... (vi) Diesel storage tank of capacity adequate for storage of diesel for 12 hours operation of Gen set. (Misc Tool kit, Operation and Maintenance catalogue spare part list, overhauling manuals, guarantee card etc shall be provided as per manufacturer standard practices.

Supply , install, testing and commissioning of LT Feeder pillar Box AC 415 V , 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle , fully compartmentalized type , weather proof , protection IP 54 , suitable for outdoor use , with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick with CPRI Approved CRCA steel sheet of Size ( 1.2x1.0 x 0.6) m(with angle iron frame work and legs of ISA 50X50X5 mm , with four legs grouted to PCC (1:2:4) type B1 , foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter , changeover switch and MCCBs , with sloping canopy at top , double hinged doors at front and back with suitable locking arrangement , Provision of louvers at sides , structure treated under 8 - tank metal treatment process and duly powder coated , complete all as specified and directed. New Panel board shall comprise of :- (a) Copper Busbar rating- 400 Amps- 04 Nos (b) Indication lamp for RYB - 01 Set (c) MCCB-200 Amp, 4 pole, 36KA Fixed Thermal & Fixed Magnetic setting, 415 V, 50 Hz AC-01 No(Incoming) (d) MCCB-125 Amp, 3 pole, 25KA Fixed Thermal & Fixed Magnetic setting, 415 V, 50 Hz AC-01 No(Outgoing for pump ) (e) MCB-40 Amp, 4 pole, 16KA f 415 V, 50 Hz AC-02 Nos (Outgoing for 01 Pump house bldg & 01 for Spare) (f) Change over switch 200 Amps 4 pole - 01 Nos (g) S&F digital ampere meter 3 1/2 display incl CT having CTR 200/5-01 Nos (h) S & F digital voltmeter 0-500 V = 01 Nos

Material and labour for earthing complete with galvanised mild steel earth plate electrode 600 mm x 600 mm x 6.0mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate, using GI strip 32 x 6 mm as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI 'light grade' pipe from upper end of earth plate upto equipments,20 dia bore GI pipe 'light grade' as water pipe from earth chamber to upper edge of earth plate, Test point , GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with MS TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate of SSR Part I complete all as specified and directed and testing on completion.

ANSH CONSTRUCTION

UJJAL ELECTRIC

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