Provn of 15 KVA DG Set at AF Stn Bihta under GE (AF) Bihta

Amount

Supply, installing, testing and commissioning complete of manufacturer, static silent (Sound proof enclosure) Diesel Engine driven Generating set with suitable capacity of AMF Panel capable of delivering 12 KW (15 KVA), at prime mover rating at 0.85 load factor as per clause 13.3.2 of ISO-8528 (Part-I), water cooled, 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 with 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 internal oil arrangement, exhaust pipe complete and suitable for conditions prevailing at Bihta (Bihar) (capacity of Engine, alternators shall be worked out taking all de-rating factors into consideration) including PCC foundation of suitable size leaving at least 0.5 M all around the DG Set for ease of movement 0.5 M height, anti- vibration pads, including all features to comply with latest CPCB guidelines and comprising of followings:- (i) ENGINE (Prime mover) : Diesel Engine 1500 RPM, direct injection, multi cylinders, four stroke, confirming to ISO 3046/BS 5514, liquid cooled (EG, complete 50, 50) naturally turbo charged, capable of giving adequate BHP (Not less than 23 BHP) to drive alternator capable of delivering 15 KVA (12 KW) at outdoor atmoshpheric conditions at Bihta, Bihar (Taking all de-rating factor into consideration), 12/24 Volt (as per manufacturer recommendations) electric battery start, complete with dynamically balanced fly wheel all standard fitting, fixtures as per manufacturers instruction and including suitable panel for self starter system with tachometer, lub oil temperature, pressure gauge and frequency meter, dynamo, fuel electric control panel with electronic governor (ECPG) and engine protection system (Shut down, high water temperature, low lub oil, oil pressure, over speed etc) fuel tank and first filling of lub oil and other consumable items etc Make: Cummins (Jakson) Model No: X1.3TAAG1 or equivalent model in Catter piller or Crompton Greaves as approved by GE. (ii) Alternator: Brushless AC Alternator, 3 phase 415 Volt, 4 Wire rated for output of 15 KVA/12 KW, Minimum power factor 0.8, 1500 RPM, IP23 protection class enclosure, insulation class "H", salient pole, revolving field, single bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. Make: Stamford/Catterpiller/ Crompton Greaves/ Jyoti/NGEF as approved by GE. (iii) BASE PLATE : Made out of structural steel as per recommendations of the design/specifications of manufacturer. (iv) AMF Control Panel: Factory made cubicle type floor mounted LT Panel board indoor type made out of MS angle not less than 25x25x5 mm, and 1.6 mm thick MS CRCA sheet, front opening type, protection class IP-54, duly powder coated after seven tank process, with electrolytic grade copper bus bar of 50 Amps capacity for four poles, with all standard switchgear and contactor and protection, internal wiring of adequate size PVC inulated multistranded copper conducted cable etc and also consisting of followings :- (a) TPN MCB 32 Amps 16 KA rupturing capacity with suitable rating of HRC back up fuse (b) Digital multifunction meter comprising of Ampere, Volt, Frequency KWh, Tunning hrs of DG Set, fuel consumption, DC battery consumption etc. (c) Phase indicating lamps (R-Y-B)1 set (d) The AMF Panel shall comprising of standard relays, MCBs and other circutit protection required for automatic operation of DG Set (e) By pass arrangement of suitable capacity Make: JAKSON/Crompton Greaves /Catterpiller as approved by GE. (v) Accoustic Enclosure : Sheet metal fabricated cope type silent enclosure manufactured on CNC machines as per CPCB norms. The enclosures shall be designed for reducing the sound level to 75 DB (a) at a distance of 1 M at 75% load under field condition, and ox, 70 DB at 3 M from Gen set when DG set is working at full load along with testing conformance, labelling certificaton, etc as laid down in GSR No 371 (E) dt 17 May 2002. Make: JAKSON/Crompton Greaves /Catterpiller as approved by GE. (vi) Foundation/Plinth/Base: Shall be provided as per manufacturers recommendations, however minimum 0.5M space should be available all around the DG set and height of plinth shall not be less than 0.5M. (vii) Diesel storage tank of capacity shall be provided not less than 12 hours continue operation of Gen set. (viii) Misc. Maint tool kit, complete catalogue for maintenance and operation, overhauling manuals, minimum one year maintenance spares for operation guarnatee card etc shall be provided as per standard practice of manufacturer. Note:- (i) The DG set shall only be taken over after satisfactory testing result of operations carried by the contractor in presence of officer nominated by the accepting officer as per relevant IS specification /instructiions. (ii) All the expenses incurred on the above test including provision of testing apparatus required to carry out the above mentioned test shall be born by the contractor without any extra cost to the government. If the result of the test is not found satisfactory, the contractor shall at expense, replace the defective equipment/material/accessories at his own risk or any thereof as directed by the Engineer-in charge. Decision of accepting officer shall be final conclusive and binding in this respect. The contractor shall also construct necessary foundation as per per design provided by the manufacturer where directed for which necessary cost may deemed to be included in quoted rate.

Supply, laying & testing of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of 16 sqmm 4 core, laid in trenches ,ducts,encased in GI pipes,fixed to pole /wall,laid under rode ,path,drains,culverts,fixed bare including jointing testing including all necessary electrical connection with suitable size of Al lugs/gland as required completeall as specified and directed.

M&L for excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying of cable/foundation of street light pole including getting out in soft/loose soil complete all as specified and directed.

M&L for returning filling in, including spreading, leveling,watering and well ramming in layers n.exc 25mm thick in soft/loose soil, complete all as specified and directed by Engineer-in-Charge

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

M&L for sand cushioning to cable with layer of 8 cm deep before laying the cable and 15 cm depth after laying the cable,and punned down to 10 cm complete all as specified and as directed by Engr-in-Charge. Note : Only punned volume of sand will be measured and paid.

M&L for brick, subclass 'B' well burnt, laid dry flat in trenches for protection of cable with a maximum gap of 10 mm between two consecutive brick over LT cable, complete all as specified and as directed by Engr-in-charge.

M&L for earthing complete with galvanized steel earth plate 600x600x6 mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised iron strip 32x6 mm dia as earthing lead by means of bolts, nuts, check-nuts, and washers of galvanised iron or steel besides welding at all joints as shown in drawings and including excavation and earth work, GI pipe light grade 40 mm bore for protection of GI strip from earth electrode to and including the earth test point of galvanised Iron/steel . supplying and laying charcoal stone aggregate) chamber and RCC cover of size 54x54x50 mm (1:2:4) type B1 using 20 mm graded crushed stone aggregate reinforced with 8 mm dia TMT bars @ 75mm C/C both ways with mild steel handle 12 mm dia, PGI funnel with wire mesh, 20 mm dia GI pipe medium grade for watering all as shown in drawing Note - Cost of GI stripand GI protection pipe up to a distance 7.5 M shall be included in quated rate of above Items.

TRIBENI SINGH AND SONS

M/S SHEO KUMAR SINGH AND SONS

MS JAGDAMBA ENTERPRISES