PROVN OF 100 KVA DG SET AND ALLIED WORKS

Amount

Supplying, installing, testing and commisssioning of diesel Engine driven generating set of capacity 100 KVA, 415 volts, 3 phase 4 wire, 1500 RPM, 50 Hz, power factor 0.8 as per BS 5514/IS-10002 complete with control panel is manufactured with 14/16 gauge CRCA powder coated sheet for weather proof and long lasting finish as per OEM manufacturing of capacity continious and canopy cover considering all as rating factors and comprising of the following:-

(A) ALTERNATOR :- Self regulating with brushless self excitation, 415 volt, 3 phase, 4 wire, 50 Hz, 0.8 PF, 1500 RPM, with voltage from no load to full load, foot mounted, screen protected, revolving field, self exited alternator conforming to IS/IEC 60034-1 drip proof with class 'H' insulation, steel ball/roller bearings at both ends of the alternator shaft, with necessary controls as recommennded by the manufacturers and capable of supplying unbalanced load, with rating 100 KVA at PF at NTP conditions. (B) ENGINE:- 4 Cylinder, in line 4 stroke water cooled engine, dry type, replaceable paper element air cleaner with restriction indicator air to aftercooler, opimised turbocharger for increased altitude capabilities ,HPCR fuel system with A1 class electronic governing, duel fuel filter system pre filter including water separator and Water In Fuel (WIF) sensor and main filter, integral set-mounted radiator system suitable for 50°C ambient temperature, electrical starter motor with soft start arrangement all as per BS-5514/ISO-3046,1500 RPM control gauges, RPM/hours meters etc and capable of giving an output of 100 KVA at 0.8 PF for coupled alternator under NPT conditions complete with following :-

(i) Flexible-coupling set directly mounted to engine and alternator with coupling guard. (ii) 12V DC electric starting system with 12V, 100 Ah battery, charging alternator etc with built in regulator. (iii) Industrial type silencer including MS exhaust pipe. (iv) Vibration damper. (v) Engine overspeed stop/trip switch. (vi) Radiator with fan. (vii) Dynamo for battery charging. (viii) Corrosion inhabitor coolant. (ix) Engine control panel including ammeter, battery charging indicator,battery voltage indicator, lub oil indicator Engine Oil pressure, Fuel level indicator and DG set running hours. (x) Fuel tank shall be in built in base frame of suitable capacity made up of 14/16 SWG sheet duly painted and fitted with inlet and outlet, air vent, drain valve, level indicator. The fuel tank shall be of suitable capacity for 8 hours of continuous operation all as OEM specification. (C) SKID :- The engine and alternator shall rest on skid mounting type base frame fabricated from suitable MS frame suitably machined to ensure perfect alignment and the engine and alternator with rigid construction and necessary reinforcement to ensure minimum vibration all as per OEM recommendation.

(D) CONTROL PANEL : Auto mains failure panel 415 V, 3 phase, 50 Hz made up of angle iron frame of size 50x50x6mm and 2 mm hick MS sheet vermin proof, dust proof, powder coated, consisting of following :- (i) Copper bus bar with suitable capacity with incoming/outgoing terminals. (ii) Air break, 3 pole , power contactors with standard coil voltage, 440 V, 50 Hz,Instrument fuses duly wired and ferruled, MCCB of suitable rating wih overload and short circuit protections. (iii) Microprocessor based suitable relay with suitable nos of incoming outgoing terminals for operating contractors. (iv) Suitable electronic timers for efficient operation of AMF penal.annuciator shall be provided for indication of failure state of panel indication for hrs shall come in the panel.12 and 24 Volt DC operation (v) Over speed protection, Over voltage protection, Over current protection. (vi) Low oil pressure protection, coolant temperature,Battery voltage.

(E) SILENCER Hospital grade silencer suitablly optimized to meet stringent noise emmission standards laid down by MoEF/CPCB. (F) ACOUSTIC ENCLOSURE To meet stringent MoEF/CPCB norms of 75 dBA @ 1 mtr a 75% load under free field conditions. The acoustic enclosure is to be made of by CRCA sheets. High quality nose absorband and fire-retardant grade acoustic insulation material (PU Foam) complying to IS 8183. (G) EMISSION CONTROL DG Set engine should comply the following emission norms as per CPCB Guidelines:- NOx & HC< 4.00, Co<3.5, PM2.5 < 0.2 and Smoke Limit < 0.7. Note: Installation and anything exta required technically for efficient functioning of AMF Panel shall be deemed to be included in the quoted rate. Three sets of following documents shall be provided by the contractor:- Maintenance and operation manual for engine and alternator, spare parts catalogue, warranty/test certificate, schematic diagrams of controll panels. Note :- Contractor shall satisfactorily conduct load test of DG Sets for 12 hrs continous run including run on 10% overload for 1 hour. Testing eqpt shall be arranged by the contractor. Fuel/Oil required for test shall be supplied by the Contractor and Two year servicing (DLP) is reponsibility of the contractor.

M&L for bore earthing not less than 250mm dia 16 feet deep filled with black soil upto 7 feet from bottom complete with galvanised iron pipe 40mm bore medium grade 3m long tapers at bottom & provided 12mm holes (staggered) at 75mm centre to centre upto 2.5m of length from bottom, burried directly in ground filled with 45cm alternate layer of magnisium sulphate, charcol & salt up to ground level & connected to galvanised iron strip 32x6mm above ground level as earthing lead by means of bolt and nut, check nuts and washers of galvanised iron or steel including brazing work upto equipment and 40mm dia light grade GI pipe for earth lead protection and testing on completion and including taking out old earthing complete all as specified & directed by Engineer-in-charge.

Supply and laying cable XLPE Insulated screened PVC bedded,galvanised steel strip or wire armoured,electric power cables(heavy duty) with stranded aluminium conductor, 1100 volts grade of size 3.5 core 70 sq mm complete all as specifid and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, laying of cable/pipe etc or soft/dis integrated rock for shaft, walls, cesspits, manholes, pier holes etc not exceeding 10 sqm on plan and getting out complete all as specifid and directed.

Returning, filling in including spreading, leveling, watering and well ramming excavated soft/disintegrated rock in layers complete all as specifid and directed.

Removing excavated materials (Soft/Disintegrated Rock) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specifid and directed.

M&L for sand cushioning to under ground cable using tibba sand and gently punning to cushioning to cable complete all as specifid and directed.

Supply & laying 40 to 50mm thick roughly hammer dressed Jodhpur stone patti cable cover 25cm to 30cm wide and n. exc 60cm long each laid dry abutting with each other with maximum gap between adjacent slabs & exc 10mm complete all as specifid and directed.

M&L for making platform (L=4000.0, W=2000.0 and H=700.0) for rest to the 100 KVA DG set on stone masonary jodhpur type brought upto courses in CM 1:6, Coping in PCC 1:2:4 type B-1 using (20 mm graded stone aggregate), plastering in CM 1:6 on masonary, height of plinth shall be minimum 0.70 m from GL or as directed by engineer -in-charge and 10mm thick rubber sheet to be provided below DG enclosure frame area to absorb DG vibrations complete all as specifid and directed.

M/s Rohit Construction Co.