PROVN OF 01X DG SET 400 KVA AT MH DEHRADUN

Amount

Supply, Installing, Commissioning and testing totally enclosed type (Silent E operation with canopy CPCB Il approved), static type diesel engine driven generator set of capacity 400KVA, 415 Volt, 3 Phase, 4 wire complete including engine, alternator mounted on common base plate of rigid fabricated mild steel base frame all recommended by manufacturer and having following provisions complete all as specified and directed.

(a) Diesel Engine:- Diesel engine 4 stroke 6 Cylinder inline only, Coolant Cooled, 2 x 150AH, 24V DC electric start, of not less than 535 BHP at 1500 RPM suitable for above output of alternator at NTP conditions and conforming to BS 5514, BS 649, IS 10000, capable of taking 10% over loading for one hour after 12 hour of continuous operation. The fuel system shall be HPCR type and fuel consumption not more than 63.5 ltr per hour at 75% load and 85 ltr per hour at 100% load and Governing method through ECU, Governing Class is G3. The total lube oil sump capacity is not more than 30 Litres.

(b) Engine mounted Instrument Panel fitted with and having digital display for following:

(i) Start-stop switch with key

(ii) Water temperature indication

(iii) Lubrication oil pressure indication

(iv) Lubrication oil temperature indication

(v) Battery charging indication

(vi) RPM indication

(vii) Over speed indication

(viii) Low lub. Oil trip indication

(ix) Engine Hours indication

(c) Alternator:

Synchronous alternator rated at 400 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at NTP conditions. The alternator shall be having SPDP enclosure, brushless, continuous duty, self-excited and self-regulated through AVR conforming to IS: 4722/BS 2613 suitable for tropical conditions and with class-F/H insulation.

(d) Base Frame

Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on existing cement concrete foundation and i/c supplying & fixing of suitable vibration isolation arrangement as per

recommendations of manufacturer.

(e) Exhaust System:

Dry exhaust manifold with residential exhaust silencer

(f) Starting System

24V DC starting system comprising of starter motors voltage regulator and arrangement for initial excitation complete with 2 x 150AH batteries as required as per specifications.

(g) Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere as per

Specifications.

AMF CONTROL PANEL SPECS: (i) Automatic Mains Failure (AMF) Control Panel, factory made shall be able to start up the DG set with suitable size of contactors and transfer the load on to the DG set on mains failure without requiring any human intervention. Similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the DG set automatically.

(ii) The AMF panel shall be an enclosure with IP-53 degree of protection confirming to IS/IEC 0947 (Pt-1)/2007, fabricated from minimum 14 SWG thick CRCA sheet duly pre-treated and aesthetically finished.

(iii) The AMF Control Panel shall have the following instruments:

(a) Power control unit with bakelite LCD display having features or display Microprocessor based :-

NOTES FOR ITEM NO.1

(i) The DG panel and AMF panel shall be complete with internal wiring with suitable size of multi stranded copper cable. The control cables and relays of various panels are included in the scope of this items.

(ii) Tools shall be supplied as per manufacturer's instructions and rate quoted is deemed to be included in the cost of DG set

(iii) Necessary grouting including mild steel work and anti vibration pad shall be provided by the contractor

(iv) First filling of lubricants / engine oil/ Diesel for 10% over loading for one hour in twelve hours duration by artificial electric load test run deemed to be included in the rate quoted for the item.

v) Necessary PCC foundation along with one meter plinth protection including connected earth work for installation of DG Set shall be provided as per manufacturers recommendation and cost deemed to be included in the rate quoted for the same

(vi) Necessary 10% over load test shall be carried out in the presence of Rep of accepting officer/IEM

(viii) The contractor shall be carry out all electrical incoming outgoing connection of cables including cable glands, thimbles, nut, bolt, washers, etc, cable will be measured and paid under respective items of schedule.

(ix) Contractor shall submit the complete drawing of DG set with AMF panel which showing the complete drawing, capacities of all controls, contacts, relays, etc including its make

Materials and labour for earthing complete with galvanised iron earth plate electrode of size 600 mm x 600 mm x 6 mm thick, buried 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 connected with and including galvanised earth strip of size 32 x 6mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling sitch 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), 5Omm thick precast RCC (1:2:4) cover slab (reinforced with 8mm dia TMT bar @ 15 cm CIC both ways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth up to a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-1(2009) complete including testing on completion complete all as specified and as directed.

Supplying, laying, testing and commissioning of XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty ) with aluminium conductor 1100 volts grade, cross sectional area size 300 Sqmm 3.5 Core complete all as specified and as directed.

Excavation in trenches not exc. 1.5 m wide and not exc. 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling of excavated soil, including spreading leveling, watering and well ramming in layers, not exceeding 25 cm complete all as specified and directed.

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

Supply & laying for Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness all complete all as specified and directed. Note :- Only punned down sand thickness 18CM shall be measured and paid.

Supplying and laying for old size bricks, laid flat ie length of brick shall be laid across the cable, common burnt clay building bricks sub class `B' designation 75 complete all as specified and directed and testing on completion complete all as specified and directed.

S&F for steel tube 'Light' grade galvanised with all fitting laid in trenches, fixed to wall and floor of 40 mm dia for cable protection complete all as specified and directed.

MONA GENERATOR SEVICES PVT. LTD.

Natwadia Electrical Company

AK Construction Co

M/s Kamal Traders

BK CONSTRUCTION

AMAR NATH SHARMA

RAMAPATI ENGINEERING SERVICES

LAKHANPAL ELECTRIC