Military Engineer Services-MES has published Tender For Replacement Of Dg Set Of 62.5 Kva Dg Set With Amf Panel Against Ber Dg Set Of Same Capacity At Chakbama Mil Stn. Submission Date for this Tender is 04-04-2024. Diesel Generators Tenders in Zakhama Nagaland. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 11-Mar-2024 | BOQ and other | BOQ | 23-03-2024 |
| 2 | 23-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 30-03-2024 |
| 3 | 30-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-04-2024 |
| Sl. No. | Item Description |
| 1 | Supplying, installing, testing & commissioning of factory assembled Diesel Engine driven generating set coupled withalternator AC to Give continuous output of 62.5 KVA/50KW at a power factor of 0.8 lagging, 415 volts, AC, 3 phase, 4 wire, 50 HZ, 1500 RPM, directly coupled with diesel engine, Liquid cooled, mounted on common base frame complete with in built fuel tank (service tank) of adequatecapacity with fuel line, built in electronic governor & accessories, PCC foundation work as per manufacturer"s instructions, vibration damper pads, micro processed based relay panelfor automaticstarting on mains failure, control panelshowing all parameters of engine & alternator, sound proof canopy (sound level not exceeding level specified by Central Pollution Control Board-II) & other accessories etc. taking down of old DG Set 62.5 KVA from foundation and removing from site and deposited to MES store yardand confirming to the under-mentioned technical specifications confirming to BS:5514 & IS 10002 complete in all respect with following accessories, parts all as specified & directed. |
| 2 | (a) DIESEL ENGINE :4 cylinders , turbo charged Liquid cooledat 1500 RPM under NTP conditionsIS 4722, BS 5000, IEC 3411, ISO 8528, BS 5514, ISO 3046, conforming to with an overload capacity of 10% for one hour in 12 hrsof continuousoperationwith the following accessories (i) Radiator with blower fan or heat exchanger with guard . (ii) Pipe coupling for engine cooling system piping (iii) Corrosion inhibitor coolant (iv) Paper element filters-(a)Fuel(b) Lube oil(c) By Pass (vi) Fly wheel housing and fly wheel to suit (vii) Engine bearing mechanism in fly wheel housing (viii) shut off coil with safety for LLOP /HWT./ Over speed. (ix) Dry type air cleaners and vacuum indicators . (x)Residentialsilencers. (xi)Stainless steel exhaust flexible bellows. (xii)Motor driven priming pump. (xiii) Electric starter. (xiv)Battery charging alternator. (xv) Exhaust piping made outof STICC class MS Pipe inclusive of all accessories and hardware , necessary supportas per manufacturer’s recommendations to sustain back pressure with rain cap |
| 3 | (xvi) Mineral wool insulation 2 inch thick covered with aluminium sheets of 30 gauges for the entire length of exhaust pipe. (xvii) First fill of oil coolant and diesel during commission and 12 hours testing. (xviii)Interconnecting copper cabling of adequate capacity between batteries andcontroller. (xix) Fuel pipe. Fuel Tank_ 12hours full load diesel storage capacity inbuilt fuel tank with mounting brackets factory fabricated made of MS sheet with level indicator fuel inlet , fuel outlet , air vent, drain plug,inlet arrangement filling from exterior of canopy etc. (a) Battery :- 180 AH,12 Volts maintenance free battery of Qty-1 Nos with leads and terminal. (xx) Foundation: Cost of PCC Foundationas per manufacturer"s instructions shall be deemed to be included in the quoted rate. |
| 4 | (b) ALTERNATOR : 62.5 KVA/50 KW at 0.8 PF lagging, 415 volts, 3 Phase, 4 wire, 50 Hz at 1500 RPM self excited and self regulated with AVR brushless excitation band of voltage ± 1% of rated voltage from no load to full load insulation class H, IP-23 self ventilated and conforming to IS4722, BS5000, IEC 34/1, ISO 8528, BS5514, ISO3046, suitable for above mentioned diesel engine complete all as specified and directed . (c) ACOUSTIC ENCLOSURE : Factory made acoustic enclosure (canopy) having size not less than 1740mm lengthX1050mm widthX1474 mm height for the above 62.5 KVA DG set to reduce noise level to 75 db (A), measuredat 1.00, meter distance @75% load auditable frequencies as per guidelines of CPCB & comprising of following-: (i) Sound proof insulation 100mmthick Rock wool (Density 65 Kg/cum) (ii) Outer body: Not less than 1.6 mm thick CRCA. (iii) Door 1.6 mm thick CRCA (iv) Inner surface: 1.0 mm thick powder coated & perforated CRCA / GI sheet (v)Common base frame: ISMC 250 |
| 5 | (d) CONTROL PANEL :LT panelmadeout of 2mm thick CRCAsheets in suitable compartmentsfront openable duly powder coated for a weather proof and long lasting finishing including the following:- (i)MCCB suitaibly rated ,qty OEM recommended(Make: Legrand/Havells/L&T). (ii)Set of phase indicating lamps with HRC fuses - 01 Set. (iii)Voltmeter 96 sq.mmdigital type 0 to500 volts rangewith selector switch: 01 set (iv) Amp meter 96 sq.mmdigital type 0 to 400 Amps range with suitable CT"s complete - 01 set. (v) KWH meter digital type (vi)Digital PF meter (vii) Set of suitable CT”s (viii) Indicating lamps for supply and load on (ix)Instrument fuses (HRC type) (x) Bottom gland plates for incoming and outing cable (xi)Circuit diagram plate |
| 6 | (e)AMF (Automatic on Mains Failure Panel board) :- The AMF panel board suitable for 62.5KVA/50KW DG set fabricated out of 2.0 mm thick CRCA sheet steel with powder coated painting, totally enclosed,dust, and vermin proof, free standing,floor mounted type with IP-53 degree of protection & front operated with rear opening type suitable for operation 3 phase, 4 wire , 415 volts, 50 Hz. The panel board shall have AMF Controller ,3phase power contactor suitably rated ,OEM recommended Qty-02 Nos , 4pole, coil voltage 230volts AC , MCCB 4 Pole suitably rated Qty-02 Nos (rating OEM recommended) Makes:- L&T/Legrand/Havells,auxiliary relays - 02 Nos, battery charger, SMPS based - 01 No, voltage monitoring relay- 01 No, Digital voltmeter with VSS, ammeter with ASS and CT"s - 01 set, LED phase indication lamps - 01 set, load and mode selector switch - 01 set and mechanical interlocking system. Aluminium busbar TPN 200 Amps rating,control wiring and control cables with copper conductor cables of suitable size adequate length, cable entry holes,earth terminals,locking arrangement,safety devices,control fuses etc. and inculding standard accessories as required for efficient functioning of AMF panel. Note:Factory inspection during manufacturing at any stage as directed by AGE(I).The expenses of inspection deemed to be included in quoted rate. |
| 7 | Supply, fixing and laying including testing of XLPE insulated screened PVC bedded steel wire /strip armoured heavy duty ,1100 Volt grade ,multistandared aluminium conductor cable of size 50 Sqmm 3½ corelaid into trench ,passing through pipe ,ducts,making electrical connection over pole /panel at one end into MCB DB"s /Main switch / Change over switch through proper lugs/thimbles at bothends ,havingcomplete all as specified and directed. |
| 8 | Material and labour 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. Notes:- (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department. |
| 9 | Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically 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 m below ground level connetced with galvanised wire of 4mm diaby means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 15mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion including taking down old unserviciable earthing set all as specified and as directed. Notes:- (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department. |
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