SPECIAL REPAIR FOR REPLACEMENT OF TWO UNSERVICEABLE /BER DG SETS AT BENGDUBI MILITRAY STATION UNDER GE BENGDUBI

Amount

Dismantling & Taking out carefully old DG Set (including foundation and platform etc) its components etc, depositing all the retrieved items, DG Set, materials in MES Store Yard and in lieu Supply, installing , commissioning and testing of new static silent (with and including accoustic enclosure) Diesel Engine Driven Generating Set of capacity 250 KVA Liquied coolant cooled, 415 Volts (AC, three phase, 4 Wire system supply), 50 Hz at power factor 0.8 minimum, complying with all the latest CPCB guidelines and norms. The DG Set shall consists of diesel engine coupled to a matching alternator through flexible coupling & mounted on common base frame complete with & including control panel standardized by manufacturer, fuel tank with mounting arrangements, inlet, outlet, return inlet oil arrangement, exhaust pipe and shall be suitable and giving requisite specified output for the conditions prevalent at Bengdubi Mil Stn, also including provision of PCC foundation of suitable size with minimum 0.5m height, PCC Platform as per the manufacturer's instructions subject to approval of GE, leaving at least 0.5 m space all around for ease of movement, other civil works, anti-vibration pads, etc, complete all as specified and directed, and comprising of the followings:-

(i) ENGINE (Prime Mover): 01 No Diesel Engine 1500 RPM, direct injection,Six cylinders, four stroke, confirming to IS:10000/ISO3046/BS:649/BS:5514 amended upto date, for continuous running capable of taking 10% overload for one hour in 12 hour, Liquid coolant cooled, naturally turbo charged, capable of giving minimum 320 BHP to drive Alternator, capable of delivering 250 KVA at outdoor atmospheric conditions at Bengdubi Mil Stn, fitted with following accessories:- (a) Dynamically balanced fly wheel with starter ring (b) Air cleaner dry type. (c) Electronic governer (d) Dry exhaust manifold with suitable exhaust residential grade silencer to reduce the noice level. (e) Radiator Assembly. (f) Radiator fan with guard. (g)Vaccum indicator. (h) Fuel filter and fuel hoses. (j) Fuel injection pump (FIP) (k) Lubricating oil filter and pump. (l) Electrical starting system with battery charging alternator and axial type starter motor including adquate number of high capacity maintenance free lead acid battery, 24 Volts, DC as per manufacturer recommendation, also including provisioning of interconnecting cable/ leads with terminals, complete with and including start/ stop switch. (m) Engine safety shut down system against low oil pressure and high water pressure. (n) Exhaust gas driven turbo charger. (o) Oil filter. (p) Lube oil cooler. (q) Engine maintenance manual with spare parts list. (r) Suitably designed acoustic enclosure as per CPCB Regulations. (s) Any other components/parts/accessories as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements.

(ii) ENGINE INSTRUMENT ELECTRONIC PANEL : 01 NUMBER:- Engine instrument panel shall compriding of the following control : (a) Starting on/ off switch. (b) Water tempreture display. (c) Hour meter cum RPM display. (d) Lub oil pressure display. (e) Lub oil tempreture display. (f) Battery charging display. (g) Safety alarm against high water tempreture and low oil pressure. (h) Automatic on/off of engine facility with GCU. (j) Any other components/parts/accessories as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements.

(iii) ALTERNATOR:- 01 No Alternator shall be self excited, self regulated, brushless for 250 KVA continuous operation at the speed of 1500 RPM at 415 Volts, 50 Hz, Three Phase, 4 Wire system with advance electronic voltage regulator to ensure high voltage accuracy with + / -1% with class H insulation and SPDP enclosure directly coupled with engine through flexible coupling and confirming to IS-4722 complete. Note:- Alternator should be able to deliver output rating at actual site conditions.

(iv) BASE FRAME :- Common fabricated base frame for engine and alternator made from structural mild steel channel etc, leak proof PCC 1:2:4 type B-1 as in foundation & plateform etc including provision of adequate number of suitable anti vibration pads etc all as per the recommendation of the manufacturer subject to approval of GE.

(v) FUEL TANK :- 01 Number Bottom mounted (or as per manufacturer design) steel fuel tank fabricated out of 14 SWG MS sheet of capacity not less than 12 Hours continous operation, inside canopy with fuel level gauge, drain plug, locking arrangement etc with and including GI pipe connection duly provided as per Engineering practice complete all as directed by the GE.

(vii) MISC PROVISIONS : Cost for provision of any other components/parts/accessories and relevant works as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements shall also be deemed to be included in the quoted rates of contractor(s).

NOTES :- The contractor's quoted rates shall also be deemed to include the following elements :- (i) The DG set duly assembled shall be procured by the contractor directly from Engine Manufacturer or OEM of Engine only. (ii) The drawings and specifictions of the DG set and its components shall be got approved by the contractor from the GE before procurement. (iii) The DG set shall be got inspected and tested in the factory by the rep nominated by the Accepting Officer before delivery from the factory. The records of the inspection & testing shall be signed by the rep of Accepting Officer, Contractor and rep of Manufacturer/OEM. (iv) The Generator Set shall also be tested in the presence of IEM on variable load continously for 12 hrs including 1 hour in overload individually as per IS and as specified.The Generator Set will also be tested as per OEM recommendation. Technical representive of Manufacturer/OEM will also be present during testing of DG Set to be carried out by IEM. The records of the testing shall be signed by IEM, GE, Engineer Charge, Contractor and the Technical Rep of the Manufacturer/OEM. (v) All the arrangements, necessary DHPP, Lubricating oil and testing equipments etc, for testing as per provision contained in Note (iii) & (iv) above shall be provided by the contractor and cost of the same shall be deemed to be included in the contractor's qoted rates. (vi) The DG set shall be installed all as per manufacturer instructions manual subject to final approval of GE. Cost for provision of PCC foundation, platform, other civil works, excavation and earth work, sand cushioning, grouting bolts etc as per manufacturer's instructions and as directed by the GE shall also be deemed to be included in the quoted rate of above item. (vii) Cost of deploying necessary T&P such as cranes etc by the contractor under his own arrangement required for execution of the above work shall also be deemed to be included in the quoted rates of the above item. (viii) The DG Set shall comply to the emission limit requirements as per the instructions of Govt of India and CPCB norms. 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 by the contractor to GE.

Dismantling & Taking out carefully old DG Set (including foundation and platform etc) , its components etc, depositing all the retrieved items, DG Set, materials in MES store yard and in lieu Supply, installing , commissioning and testing of new static silent (with and including accoustic enclosure) Diesel Engine Driven Generating Set of capacity 200 KVA Liquied coolant cooled, 415 Volts (AC three phase, 4 Wire system supply), 50 Hz at power factor 0.8 minimum, complying with all the latest CPCB guidelines and norms. The DG Set shall consists of diesel engine coupled to a matching alternator through flexible coupling & mounted on common base frame complete with & including control panel standardized by manufacturer, fuel tank with mounting arrangements, inlet, outlet, return inlet oil arrangement, exhaust pipe and shall be suitable and giving requisite specified output for the conditions prevalent at Bengdubi Mil Stn, also including provision of PCC foundation of suitable size with minimum 0.5m height, PCC Platform, as per the manufacturer's instructions subject to approval of GE, leaving at least 0.5 m space all around for ease of movement, other civil works, anti-vibration pads etc, complete all as specified and directed, and comprising of followings:-

(i) ENGINE (Prime Mover): 01 No Diesel Engine 1500 RPM, direct injection,Six cylinders, four stroke, confirming to IS:10000/ISO3046/BS:649/BS:5514 amended upto date, for continuous running capable of taking 10% overload for one hour in 12 hour, Liquid coolant cooled, naturally turbo charged, capable of giving minimum 250 BHP to drive Alternator, capable of delivering 200 KVA at outdoor atmospheric conditions at Bengdubi Mil Stn, fitted with following accessories:- (a) Dynamically balanced fly wheel with starter ring (b) Air cleaner dry type. (c) Electronic governer (d) Dry exhaust manifold with suitable exhaust residential grade silencer to reduce the noice level. (e) Radiator Assembly. (f) Radiator fan with guard. (g)Vaccum indicator. (h) Fuel filter and fuel hoses. (j) Fuel injection pump (FIP) (k) Lubricating oil filter and pump. (l) Electrical starting system with battery charging alternator and axial type starter motor including adquate number of high capacity maintenance free lead acid battery, 24 Volts, DC as per manufacturer recommendation, also including provisioning of interconnecting cable/ leads with terminals, complete with and including start/ stop switch. (m) Engine safety shut down system against low oil pressure and high water pressure. (n) Exhaust gas driven turbo charger. (o) Oil filter. (p) Lube oil cooler. (q) Engine maintenance manual with spare parts list. (r) Suitably designed acoustic enclosure as per CPCB Regulations. (s) Any other components/parts/accessories as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements.

(ii) ENGINE INSTRUMENT ELECTRONIC PANEL : 01 NUMBER:- Engine instrument panel shall compriding of the following control : (a) Starting on/ off switch. (b) Water tempreture display. (c) Hour meter cum RPM display. (d) Lub oil pressure display. (e) Lub oil tempreture display. (f) Battery charging display. (g) Safety alarm against high water tempreture and low oil pressure. (h) Automatic on/off of engine facility with GCU. (j) Any other components/parts/accessories as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements.

(iii) ALTERNATOR:- 01 No Alternator shall be self excited, self regulated, brushless for 200 KVA continuous operation at the speed of 1500 RPM at 415 Volts, 50 Hz, Three Phase, 4 Wire system with advance electronic voltage regulator to ensure high voltage accuracy with + / -1% with class H insulation and SPDP enclosure directly coupled with engine through flexible coupling and confirming to IS-4722 complete. Note:- Alternator should be able to deliver output rating at actual site conditions.

(iv) BASE FRAME :- Common fabricated base frame for engine and alternator made from structural mild steel channel etc, leak proof PCC 1:2:4 type B-1 as in foundation & plateform etc including provision of adequate number of suitable anti vibration pads etc, all as per the recommendation of the manufacturer subject to approval of GE.

(v) FUEL TANK :- 01 Number Bottom mounted (or as per manufacturer design) steel fuel tank fabricated out of 14 SWG MS sheet of capacity not less than 12 Hours continous operation, inside canopy with fuel level gauge, drain plug, locking arrangement etc with and including GI pipe connection duly provided as per Engineering practice complete all as directed by the GE.

(vii) MISC. PROVISIONS : Cost for Provision of any other components/parts/accessories and relevant works as per the manufacturer's instructions and as directed by the GE required for the entire completion of the items and to meet the functional requirements shall also be deemed to be included in the quoted rates of contractor(s).

NOTES :- The contractor's quoted rates shall also be deemed to include the following elements :- (i) The DG set duly assembled shall be procured by the contractor directly from Engine Manufacturer or OEM of Engine only. (ii) The drawings and specifictions of the DG set and its components shall be got approved by the contractor from the GE before procurement. (iii) The DG set shall be got inspected and tested in the factory by the rep nominated by the Accepting Officer before delivery from the factory. The records of the inspection & testing shall be signed by the rep of Accepting Officer, Contractor and rep of Manufacturer/OEM. (iv) The Generator Set shall also be tested in the presence of IEM on variable load continously for 12 hrs including 1 hour in overload individually as per IS and as specified. The Generator Set will also be tested as per OEM recommendation. Technical representive of Manufacturer/OEM will also be present during testing of DG Set to be carried out by IEM. The records of the testing shall be signed by IEM, GE, Engineer Charge, Contractor and the Technical Rep of the Manufacturer/OEM. (v) All the arrangements, necessary DHPP, Lubricating oil and testing equipments etc, for testing as per provision contained in Note (iii) & (iv) above shall be provided by the contractor and cost of the same shall be deemed to be included in the contractor's qoted rates. (vi) The DG set shall be installed all as per manufacturer instructions manual subject to final approval of GE. Cost for provision of PCC foundation, platform, other civil works, excavation and earth work, sand cushioning, grouting bolts etc as per manufacturer's instructions and as directed by the GE shall also be deemed to be included in the quoted rate of above item. (vii) Cost of deploying necessary T&P such as cranes etc by the contractor under his own arrangement required for execution of the above work shall also be deemed to be included in the quoted rates of the above item. (viii) The DG Set shall comply to the emission limit requirements as per the instructions of Govt of India and CPCB norms. 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 by the contractor to GE.

M&L for earthing complete of advance encapsulated compound based (CPRI tested) maintenance free, pipe-in-pipe technology upgraded (Zinc & Alloy coated). Zinc coated (80-100) microns with pure zinc(99.9%) & alloy coating (200-250) microns. Earthing system shall be conforming to IS-3034, the outer and inner pipe shall be 76.2mm & 41.9mm dia, 3 metre length Zinc coated with additional special alloy coating 300mm on the topside for additional protection of the terminal annular space between the pipes being filled up with compact fill (CF) (Crystalline conductive compound). The compact fill (CF) mixture shall be machine pressed in the pipes and should not disintegrate or collapse when outer pipe corrodes. The inner pipe shall be extended with terminals for connectivity. The job includes digging the pits and refilling the same by electrodite/ conductolite back fill comopound (Ground Enhancer). The BFC shall be eco friendly, it shall not contain environmentally hazard materials having ROHS certification from NABL accredited lab. The earth pit shall also be provided with earth pit cover for protection and safe guard of terminals. In area where soil condition is bad, good earth shall be provided to fill the excavated pits by mixing the same with BFC, 4 bags (as per soil condition) extra per pit/unit. The earth electrode (the main component of the earthing system) which is in direct contact with the ground shall be able to provide a means of releasing or collecting earth leakage current. The materials shall have good electrical conductivity & anti-corrosion property in wide rage of soil condition and testing on completion including dismantling unserviceable earthing complete all as specified and as directed, Make ASHLOK Model- ASEEL or equivalent of make JMV/True Power as approved by the GE and also including taking out /dismantling of the existing earthing.

S & F in repairs on Load Change over switch, 400 Amps, 415 Volts, 4 Pole, side operated duly enclosed in & including sheet metal enclosure, complete all as specified and directed.

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 300 Sqmm, 3.5 Core with & including all fixing accessories (in existing duct, along walls/equipment etc) including taking down of old unserviceable cable, complete all as specified and directed .

M/S G D CONSTRUCTION

Shree Ram Construction

Prahalad Rai

M/s Dhapola Elevator and Engineering