PROVN OF 40 KVA DG GENR SET FOR BLDG NO. A-117 (SOLTEE HALL) AT 5 8GTC AT SHILLONG UNDER GE SHILLONG. HAPPY VALLEY AT SHILLONG UNDER GE SHILLONG

Supply, Installation, testing and commissioning complete of manufacturer or OEM manufactured, static silent (Sound Proof enclosure) Diesel Engine Driven Generating Set capable of delivering 40 kVA (32 kW), 415 Volts (AC three phase, 4 Wire system of supply) 50 HZ at power factor 0.8 minimum. The DG Set shall consists of diesel engine coupled to a matching alternator, through flexible coupling and mounted on common base frame and complete with control panel standardized by manufacturer, fuel tank with mounting arrangements and inlet, outlet return inlet oil arrangement, exhaust pipe complete and suitable for conditions prevalent at Rangapahar (Capacity of Engine, alternators shall be worked out taking all derating factors into consideration) including PCC foundation (of suitable size leaving at least 0.5 M all around for ease of movement and 0.5 M height), anti-vibration pads, including all features conforming to IS 10002: 1981 and latest CPCB-IV+ guidelines and comprising of followings:- (i) ENGINE(Prime Mover): Diesel Engine 1500 RPM , direct injection, 6 cylinders, four stroke, radiator cooled, performance class of generator set ISO 8528-5 G2, turbo charged, capable of giving adequate BHP to drive Alternator capable of delivering 40 kVA (32 kW) at outdoor atmospheric conditions at Rangapahar, (Taking all derating factor into consideration), 12/24 Volt (as per manufacturer recommendations) electric battery start incl suitable size battery, complete withy fly wheel all standard fittings/fixtures as per manufacturer and including suitable panel with tachometer, lub oil temperature, pressure gauge and frequency meters and also including self starter system, dynamo, fuel electric control panel with electronic governor (ECPG) and Engine protection system (Shut down, low lub oil, oil pressure, over speed etc) fuel tank and first fill of lub oil and other consumables etc. (ii) ALTERNATOR: Brushless AC alternator, conforming to IS 13364:1992, 3 Phase, 415 Volt, 4 wire, rated for output of 32 kW(40 kVA), Minimum power factor 0.8, 1500 RPM, IP 23 Protection class enclosure, insulation Class "H", salient pole, revolving field, sealed bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. (iii) BASE PLATE: made out of structural 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 a distance of 1 M at 75 % load under field condition (v) Foundation/Plinth/Base: Shall be provided as per manufacturers 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 (vi) Diesel storage : Tank of capacity adequate for storage of diesel as per manufacturer specification

(vii) AMF Panel: - Microprocessor / Relay based pedestal mounted outdoor use AMF control panel of suitable rating made up of 3.15 mm thick CRCA Sheet steel enclosure duly painted with power coated double contactor type for mains and alternator with necessary aluminum bas bar for 3 phase, 4 wire system incl necessary relays, timer, fuses, interconnection copper cabling work incl fixing on floors by grouting, PCC work complete. (a) MCCB of suitable rating with short circuit protections-1 No (b) Digital multifunction meter of size 96x96 mm to measure current, voltage, KW, frequency and power factor with built in selector switch and programmable CT ratio with RS 485 port (c) Phase indicating lamps(R-Y-B) -1 set (d) All standard relays, circuits and protection required for automatic operation of Gen set (e) Data logging : Engine hours, Control hours and upto 5 recent fault codes (f) AC Alternator Protection : Over/under Voltage, Over/under frequency, Loss of AC sensing, Over speed, Over Current, KW Overload (viii) MISC: Tool kit, Operation and Maintenance catalogue, spare part list, overhauling manuals, guarantee card etc shall be provided as per manufacturer standard practices. (ix) First fill of Lubricants, Coolant & Fuel: - First fill of oil, coolant as per OEM recommendations and diesel during testing for 12 hrs as per CA provn. Note: The cost of necessary items required for Remote Monitoring of DG set for collection of following parameters are deemed to be included in the quoted rate of contractor. (i) Mechanical & Engine parameters - Real time fule volume in the tank, alert for low fuel levels, engine speed (RPM), oil pressure, coolant temperature, oil & coolant levels, battery status, engine run hours, Exhaust parameters like NOx, CO, PM (ii) Electrical and Alternator parameters - Voltage, current, Power output (kW, kVAr, kVA, kWh/kVAh, frequency, load percentage (iii) Real time operational status (running, stop, idle, failed to start, etc), Alarms & notifications (emergency stop, over voltage, low oil pressure, high temperature and other safety aspects. NOTE: (a) DHPP for testing purpose shall be supplied by the contractor without any extra cost to Department (b) The contractor shall arrange for artificial load (water load/Electrical load) for testing for final testing of DG Set at Site and the cost is deemed to be including in above offer. (c) All expences for Testing of DG Set be included. (d) One set of latest Spare part catalogue with price, exploded view of parts and user's manual are deemed to be included in the offer. (e) All civil work including foundation for DG set as per manufacturer's drawing/specification, foundation for AMF panel. (f) The rate quoted is deemed to be included for initial filling of radiator colant and lubricating oil upto level. (g) Temperory shed for DG shed is deemed to be included in the quoted rate.

TESTING : (i) All routine test certificates from the manufacturer in respect of the diesel engine, alternator and the control panel will be made available by the contractor. (ii) The Generating set shall be run for a period of 12 hours, of which at least 6 hours shall be at the rated load and for a period of one hour at 10% over load in above 12 hours running. (iii) All instruments, equipments, materials including DHPP and Engine oil and labour required for testing will be made available by contractor at his own cost and unit rate in Sch 'A' will be deemed to be included for testing to the entire complete all as specified and direction :- (a) Insulation resistance test on the alternator and control panel. (b) High voltage test as per BS-2613 clause 33 on the alternator when still hot. (c) Efficiency test at rated load and over load. (d) Testing of sound level should carried out at the site in presence of Engineer-in-Charge (e) All test as described above under testing clause shall be carried out in presence of officer nominated by accepting officer.

Supplying, laying , jointing, testing and commissioning PVC insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 35 sqmm, stranded aluminium con complete all as specified and as directed.

M&L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed.

M&L for cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate in copping of electric poles or roof kerbs or mud stops, rounded or chamfered on edges or slab staging for water tank or filling of chowkhats complete all as specified and as directed.

M&L cutting/ boring of existing road/hard standing// footpath surfaces for laying of GI water tubing complete all as specified and as directed.

Supplying & laying in trenches 50 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 including taking down old complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.