PROVN OF DG SETS AT MES INSTLN AT MILITRAY STATION SUKNA UNDER GE SUKNA

Amount

Dismantling & Taking out carefully old DG Set (including foundation and platform etc) its components etc, depositing all the retrieved items, DG Set, materials etc in MES Store Yard , complete all as specified and directed . (Note: Rate include transfprtation from work site to E/M store yard)

Supply , installation, commissioning and testing of Factory assembled DG Set with ( CPCB-4+ Version ) engine Silent type built in within an acoustic enclosure Diesel Engine driven Generating set water cooled including AMF panel for standby power supply 415 volts, 3 Phase, 4 wire, 50 cycles / sec,0.8 power factor, 250 KVA (200 KW) or next higher standard size available KVA,1500 RPM. Self exicited self regulated brushless AC generator installed. The alternator directly coupled to diesel engine and engine developing 310 BHP at 1500 RPM, mounted on common base frame & complete with self starter 24 volt. Acoustic enclosure suitable for ambient condition at Siliguri area and confirming to condition under IS 10002, 13364 Part I 1992, BS 5514/5000 to meet exhaust emission test as per revised MoEF norms/as per CPCB. Fuel tank capacity not less than 08 hours fuel requirement & battery as reccommended by OEM with battery leads, sound proof canopy etc. with features for automatic shutdown in the event of a circuit failure condition arising from low oil pressure, high coolant temperature, over speed etc. & microprocessor based gen-set controller governor with the following under-mentioned features & all as specified & as directed :- Note :- The capacity of Generator set shall be net after all due derating factors as per relevant IS/BS Standards design. (A) Alternator :- Standard design alternator rated at 250 KVA nearest higher available capacity at 0.8 (lag) power factor AC, 3 - phase 4 - wire, 415 volts, 50 Hz, 1500 RPM, self exicited self regulated screen protected drip proof brushless design with winding in pole faces, insulating class 'H' and voltage regulation of + 1% at rated voltage from no load to full load. The alternator shall be confirming to BS 5000, IS: 13364 Part I (1992) and shall be in position to generate supply with frequecy regulation with in + 1% tolerance. The alternator will be suitable for tropical climate and shall generally confirm to BS - 2613/5000/ IS - 4722. (i) Insualation class - 'H' (ii) Temparature rise Class - 'H' (iii) Excitation : Self Excited (iv) Regulation performance: The voltage is kept constant with + 1%. (v) Frequency regulation + 1%

(B) Diesel Engine: - Adequate capacity of Diesel engine water cooled to drive independently above alternator and after considering de-rating as per site conditons after generating and reducing power consumed by accessories directly coupled through flexible coupling multi cylinder multi stroke direct injection, cold starting 1500 RPM, as per relevant IS/BS complete, with standard accessories all as specified and required for safe handling and operation salient features of accessories shall be as under:- (i) Fly wheel with housing (ii) Cooling system :- Closed circuit engine cooling with water pump , pusher fan and radiator with fan & belts. (iii) Cooling Water pump : - Centrifugal type belt driven. (iv) Exhaust System :- Exhaust System complete with exhaust piping of suitable dia with MS pipe medium grade. MS Exhaust pipe with bends/flanges and all accessories to be supplied and erected as per OEM recommendation. The Exhaust Pipe shall be insulated with low resin bounded wool of min 75 mm thickness min 144 Kg/m density. The dia/thickness and Stack height of the Exhaust pipe shall be as per OEM recommendation and CPCB norms. The minimum height of Stack to be provided with each gererator set shall be worked out as per CPCB norms. (a)Turbo charger type (b)Exhaust manifold (c ) Silencer : Residential type (v) Fuel System :- Diesel Fuel injection system with fuel injectors, fuel injection solenoid switch controlled by governer electronic operated/ (as recommended by OEM) for 1% speed /frequency regulation. Comprising with Fuel Filters and Fuel Hoses. (vi) Lub oil System :- Comprising of Lubricating oil filter, Lubricating oil pump etc. (vii) Air Intake System :- Air intake Manifold, Air cleaner dry type etc (viii) Governer: Electronic type (ix) Starting System :- Electric Self starter with and including battery charging alternator 24 Volts DC. Item continued as 2.02

(x) Batteries :- Batteries of maintenance free of capacity 12 V, 180 AH- 02 Nos complete with copper conductor multistranded leads of suitable length from self starter to the battery terminals complete with initial charge and initial fill of electrolyte all as specified. (a) Start and stop push button (b)Ignition key / Switch (c )Radiator with blower fan & first fill of coolant oil (d)Corrosion inhibitor coolant (xi) Generator Monitoring Panel : - Comprising of all standard items as per standard manufacturing, iginiton key switch and start / stop arrangement, indications for Engine parametes, hour run meter, RPM meter, Engine oil pressure indicator, water/coolant temperature indicator, Battery volt display in digital mode. (xii) Safety Controls : - Engine low lube oil pressure, high water temperature and over speeding of engine. (xiii) Coupling arrangement : - Flexible coupling (xiv) Accessories :- AVM Pads built- in or separetely mounted to manufactrer base frames. (xv) Base Frame : - Made out of ISMC of sturdy design made of MS channel with necessary reinforcement and predetermined holes as per manufacturer. (xvi) Fuel Tank :- Daily service fuel tank made complete on a common base inside the acoustic enclosure as per manufacturer guidelines for min 8 hrs continuous operation. (xvii) MS/Steel flexible pipe line to and from the fuel tank to the DG Set. (xviii) Battery Charger shall be provided as per manufacturer guidelines. (xix) The DG Set shall comply to the emission limits requirement as per Govt of India, The DG Set shall be complied with all test requirements as stipulated in the gazette notification. All relevant test results from NABL accredited lab shall be produced. Item continued as 2.03

(C) AMF Panel :- Factory made control cubical made out of 2mm thick CRCA sheet dust and vermin proof totally encosed with front and rear opening of 415 volts 3 -phase 4 - wire AC 50 Hz, including powder coated painted, copper bus bar of one and half times the rated load of 250 KVA alternator complete with internal wiring with PVC insulated single core copper condutor multistranded wire of 1100 volts grade of suitable capacity, fuses, name plates consisting of 4 pole ACB/MCCBs and Contactors. The size / rating of all the connected accessories viz. Contactors, relays, timers, bus-bars, connecting cables etc. of the AMF Panel shall be in conformity with the I/C and O/G ACBs/MCCBs and as recommended by the manufacturer. Detachable cable gland plates, all controls, indicators and standard fitting shall be as per OEM recommendation. (i) Multifunction meter 4410 LED meter Cl 1 with RS485 Make : L&T cat part No WL441011OOOO or equvalent cat part No. of Make Havells India Ltd./ HPL India Ltd. / AE/ Schneider/ BCH/ techno commercially equivalent. (ii)Controls and Records:- (a) Load on Indication (b) Load off indication (c) Engine start push button (d) Engine stop push button (e) Fault accept / reset push button (f) Battery Charger shall be provided as per manufacturer guidelines (g) Suitable to provide a record of most recent fault conditions & fault history. (h) Complete alternator data viz, voltage ph - ph, ph - neutral, KVA , frequency etc. (j) Complete engine data viz, starting battery voltage, engine temp, engine runnning hours, engine oil pressure etc. (k) Control incl provn of service adjustment & calibration of DG control functions. Item continued as2.04

(D) Civil Works :-All civil works including PCC plat form and related foundations including for panel and equipments including making good of distrubed area during installation and commissioning of genset. The depth and size of the foundation and PCC as recommended by the manufacturer. (Note: The Contractor shall arrange for artifial resistive load for testng DG Set at site and the cost is deemed to be included in the above offer). (E) Acoustic Enclosure:- Manufactured by OEM suitable for 250 KVA DG Set. (i) Tested by NABL approved lab as per CPCB, (ii) It Should be as per latest rules and regulations of Ministry of Environment and Forest and Pollution control board. (iii) The generating set battery should be inside the enclosure. (iv) Fuel tank should be inside the enclosure, however, the fuel storage shall be enough for 8 hrs continuous operation. (v) Construction Details/specification are as follows : -(a)Outer body :- CRCA Sheet of and thickness as per OEM recommendation. (b) Doors :- CRCA Sheet of and thickness as per OEM recommendation. (c) Sound Insulation :- 100 mm thick rock wool (minimum density 64kg/Cum)/ fire resistance foam/puff as per OEM/ as per standard manufacturing to achieve desired decibel level (vi) The acoustic should be composite in construction and fully assembled integral unit. (vii) The DG Set should be provided with external Emergency stop push button. (viii) The enclosure should be suitably internally illuminated by LED Lamp fittings. (ix) The noise level should be 75 dB at 1m under free field conditions. (x) The acoustic enclosure parts shall be of powder coated after pre treatment process. The base frame should be painted with epoxy based black shade. Make :(i) Engine : Cummins/Kirloskar/Ashok Leyland/Greaves/Mahindra and Mahindra. (ii)Alternator : Stamford/ Kirloskar/Ashok Leyland/Crompton) (iii) MCCB: Legrand/ L&T/Siemens/ ABB/ BENTEC/Schneider/ GE/C&S/ Indo Asian/Havells/Polycab/Adhunik Switchgear/Shalabh India Item continued as 2.05

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation,laying of cable, pipe etc. or for shafts, wells, cesspits, manholes, pier holes, etc. nexc 10 sq m on plan and n exc 1.5 m in depth and getting out, complete all as specified and directed.

Returning, filling in, including spreading, watering and well ramming in layers not exc 25cm thick in layers, complete all as specified and directed.

Removal of surplus spoil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point, complete all as specified and directed.

M& L for Sand cushioning in trenches for cushioning of underground cable including spreading, levelling, well ramming in layers , complete all as specified and directed. Note: Punned thickness 18cm shall be considered for payment as per para 19.75 of SSR Part-I)

Material and labour for well burnt Sub-class 'B' old size bricks, best quality locally available laid across cable flat, dry in trenches for cable protection, complete all as specified and as directed.

S & F On Load Change over switch, 400 Amps, 415 Volts, 4 Pole, side operated duly enclosed in & including sheet metal enclosure and confirming to IS/IEC:60947-1&3, complete all as specified and directed. Make: Havellls Cat No.IHCCFEO4OO or equivalent cat no of make L&T/ Legrand/ ABB/Siemens/GE/ Schneider / Indo Asian/C&S/ Shalabh india/BENTEC

S & F On Load Change over switch, 250 Amps, 415 Volts, 4 Pole, side operated duly enclosed in & including sheet metal enclosure and confirming to IS/IEC:60947-1&3, complete all as specified and directed. Make: Havellls Cat No.IHCCFEO25O or equivalent cat no of make L&T/ Legrand/ ABB/Siemens/GE/ Schneider / Indo Asian/C&S/ Shalabh india/BENTEC

Supply, laying, jointing and testing XLPE insulated, screened PVC bedded, galvanized steel strip or wire armoured, electric power cables ( heavy duty) with stranded aluminum conductor, 1100 Volts grade of 35 Sqmm, 3.5 Core with & including all fixing accessories (in existing duct, along walls/equipment etc), complete all as specified and directed . Make : Polycab/Havells India Ltd./ Gloster Cables Ltd / KEI Industries Ltd. /Asian Cable /Finolex/ MESCAB / BENTEC / Gupta Power infrastructure Ltd / Plaza cable / Richa Cable/Fort Gloster/Gloster/Bonton/Lumicon

All as per item No 10.00 here-in-before but LT Cable of size 50Sqmm x 3.5 Core.

All as per item No 10.00 here-in-before but LT Cable of size 95Sqmm x 3.5 Core.

All as per item No 10.00 here-in-before but LT Cable of size 120Sqmm x 3.5 Core.

All as per item No 10.00 here-in-before but LT Cable of size 150Sqmm x 3.5 Core.

All as per item No 10.00 here-in-before but LT Cable of size 240Sqmm x 3.5 Core.

All as per item No 10.00 here-in-before but LT Cable of size 300Sqmm x 3.5 Core.

Supply and fixing GI tubing, light grade, 100mm bore for protection of cable under road crossing, across drain, along electric pole or floor /wall etc, complete all as specified and directed. Note for Item No. 17 to 19: Excavation & Earthwork/cutting chases shall be measured & paid for separately. However the cost for provision of clamps made from mild steel flat of required size, bolts, nuts, washers etc (including painting of mild steel surfaces with 2 coats of aluminium paint over 1 coat of red oxide primer) for fixing of G.I. pipes with poles etc shall be deemed to be included in the quoted rate of above item. Make: Tata / Jindal Steel /Bansal/Nezone.

All as per item No 17 above but 80 mm bore tubing.

All as per item No 17 above but 40 mm bore tubing.

M&L for Earthing complete with galvanized steel earth plate electrode 600 mm X 600 mm X 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of plate not less than 1.5 m below normal ground level, connected to galvanised iron strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, all as shown in Electrical Plate No 3 of SSR Part - I, including necessary excavation and earth work, PCC (1:3:6) type C-1 with 50 mm thick Pre-cast RCC (1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar), including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (medium grade), wire mesh, aluminium lugs, complete in all respect, GI earth strip protected by 40 mm bore (medium grade) galvanized iron pipe and other end connected with main switch board or Earthing test point as directed, including necessary earth work and disposal of spoil to a distance not exceeding 50 m and necessary testing on completion, complete all as specified shown in electrical sketch No. 3 of MES SSR Part-I and as directed.

M&L for cement concrete (1:2:4) type, B1 (using 20 mm graded crushed stone aggregates) as in copings, road, kerbs, for sealing of chases for fixing of pipes, making good damaged road surfaces etc. , including necessary formwork, weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

M&L Earth continuity conductor or main earthing lead of GI strip 32x6mm burried in ground for connection with earthing pit and electrical equipment. complete all as specified and as directed.

M&L for Cutting chases on stone concrete block or slab of walls for concealed GI tubing/HDPE pipe, pinning in. making good to facings where required and pointing in cement mortar 1:3 , cutting exc 10 cm but not exc 20cm girth to facilitate cable laying/passing through road surfaces etc., complete all as specified and as directed.

SPAAN Infratech (BID ID -3168732)

M/S B D ENTERPRISE (BID ID -3168301)

M/S JANATA CONSTRUCTION (BID ID -3168139)

B.B. Enterprise (BID ID -3167844)

M/S G D CONSTRUCTION (BID ID -3168391)

NEO BUILDERS (BID ID -3168521)

M/S R. K. INDUSTRIES (BID ID -3168897)