SPL REPAIR / REPLACEMENT OF 250 KVA AND 200 KVA DG SET AGAINST BER AT TRISHUL LINE PUMP HOUSE UNDER GE (U) SECUNDERBAD

Amount

Supply , installation , testing and commissioning of Diesel engine driven generating set silent complete with acoustic enclosure in accordance to ASCE7-10 and control system complete with panel for automatic starting on mains failure, Output of 200 KVA/243HP and conforming to CPCB-II norms with working temperature range (-) 20 degree centigrade to (+) 70 degree centigrade & alternator of suitable capacity and RPM, coupled with each other and capable of taking 10% overload for one hour on every 12 hours with flexible coupling mounted on common base plate and antivibration pads on foundation as recommended by the manufacturer. The DG set shall comprise of electric starter motor with batteries of 24 Volts, 160 AH including suitable lead for charging with copper /brass terminals. The DG set shall have turbo charger after cooled type and electronic governing. AVR with all standard fittings, fixtures & all piping etc as furnished below and specified. Make: Greaves/Cummins/Caterpillar

(v) Environment- (i) Engine conforming to environment (protection) Rule 1986. (ii) Humidity up to 95% , (non condensing) (iii) Operating temp range (-) 20 degree centigrade to (+) 70 degree centigrade . (iv) Height above mean sea level (MSL) - 1954 Mtr. (a) Time permitted to build up rated voltage < 5 sec. (b) short circuit with stand time 10 sec. (c) Short circuit ratio 0.4 (d) Overload withstand capacity minimum 150% for 15 sec. (e) Type of cooling system alternator - Air cooled system. (f) Temp rise of armature winding - 125 Degree Centigrade (g) Temp rise of field winding - 125 Degree Centigrade. (h) Flow of alternator -6 m3/min (approx) (h) Flow of alternator -6 m3/min (approx) (k) Efficiency of alternator- (i) at 100% MCR & rated PF -94.0% (ii) at 75% MCR & rated PF -94.1% (iii) at 50% MCR & rated PF - 93.6%

Diesel Engine : Diesel Engine water cooled and electric start suitable to drive above alternator independently, conforming to CPCB-II norms, coupled directly through flexible coupling , multi cylinder four stroke, cold starting 1500 RPM industrial type as per BS-5514 or IS-3046 with Mechanical governor integral with fuel system , to regulate speed of DG set from no load to full load complete with fule tank of capacity as per manfacturer's recommendation , including lowest weight for Engine Silencer, Exhaust manifold duly insulated with asbestos rope and all fitting accessories such as bends, flanges, reducers and support structure from ceiling and silencer muffler etc for continous operation and standard accessories, extended to a suitable distance outside the DG Set Room as directed by Engr-in-charge , sump preheater etc all as specified and directed as follows:- (a) Aspiration - Turbocharged & after cooled. (b) Starting system - 24 Volts , Electric (c) Exhaust silencer type - Residential/ Hospital grade. (d) Exhaust noise level (with silencer)@ 1M -< 75dB (A) (e) Recovery time in goveror system - < 8 Sec (f) Max time to start from cold & attain rated speed & ready to start-5 sec. (g) Overload capacity - 10% for 1 hour in 12 hours of operation. Control Panel - The standard control panel consisting of control cubical fabricated sheet steel construction indoor type suitable for mounting accessories as compries below:

Operator Interface Threshold warning Indications (a) Manual start/stop (a) Low oil pressure (b) Auto /remote start (b) Low Engine coolant Temperture (c) Auto LED (c) High Engine coolant Temperture (d) Not in Auto LED (d) Low Coolant level (e) Manual LED (e) Low Battery Voltage (f) Common shutdown LED (f) High Battery Voltage (g) Common Warning LED (g) Battery Alt Charge Fault (h) Exercise LED (h) Over Current (J) Alphanumeric screen (J) Overload (K) Emergency stop (Local and remote) (I) Remote start input active (LED) (m) Fault reset

Measurement & Instrumentation- (Engine Side) (a) Oil Pressure (b) Oil temperature (c) Water Temperature (d) Engine speed (e) Hours Run (f) Number of starts (g) Battery Voltage (h) Exhaust Temperature Measurement & Instrumentation- (Alternator Side) - 3 Phase L-L & L-N Voltage & Frequency (a) 3 Phase Current (b) KWH (c) Total KVA (d) Total KW & KVAr (e) PF (f) Per Phase , KVAr, KW (g) Per Phase KVA Shutdown protection & Indication Shutdown protection & Indication (Engine Side) (Alternator side) (a) Low fuel level (a) Under & over voltage (b) High fuel level (b) Under & over Frequency (c) Low oil pressure (c) Over current (d) High engine coolant temperature (d) Earth leakage (e) Failure to Crank Shutdown (e) Reverse Power (f) Over crank (Failure to start) (f) Reverse Var (g) Over Speed

Power Transfer Function : (a) Open Transition Transfer (b) Hard Closed Transition (c) Soft Closed Transition ( ramping) (d) Transfer & Base Load (Utility) (e) Gen / Mains Breaker Control (f) Gen/ Mains Breaker Status protection Electric Starter Equipment :- The Equipment will comprise the following:- (a) Maint free battery duly initally charged and battery lead with copper / brass terminals with 160 AH 24V capacity or as suggested by the OEM with fixing and locking arrangement complete. (b) Starter Motor (c) Starter Gear (d) Start/stop push button (e) Invertor cum battery charger 500 VA capacity suitable to work on 230 volts, 50 Hz AC Supply system for charging the DG set batteries externally when DG set is in off Position. (f) Alternator / dynamo of suitable capacity to charge the batteries while DG set is running complete with auto cut out all as per manufacturer's recommendation.

AMF Panel : Auto mains failure panel (OEM manufactured) 415 Volts. 50 Hz suitable for200 KVA/160 KW DG Set made out of 16 guage mild steel sheet factory made with CRCA sheet cubical type floor mounted front and rear door openable with locking arrangement duly powder coated suitable for including the following:- (a) Microprocessor based auto transfer switch 4 pole 320 Amps, 415 Volts MCCB 02 Nos electronic control box for automatic switching on and off of DG Set and transfer of load as assembled and ready to use complete in all respect equipped as below :- (b) All accessories prewired with suitable size PVC insulated copper conductor cable of appropriate size including connections from DG set all as required at site including foundation as per manufacturer recommedations. Note : The AMF panel shall be integrated & synchronised with respective LT distribution panel and all electrical connection completed using copper bus bars PVC sleeved or appropriate rating but not less than as of LT panel and testing of DG Set to be carried out as specified in PS clause and policy in vogue and results to be submitted to Accepting Officer. The Contractor shall ensure for factory visit of rep detailed by AO before despatch of DG Set.

Supply , installation , testing and commissioning of Diesel engine driven generating set silent complete with acoustic enclosure in accordance to ASCE7-10 and control system complete with panel for automatic starting on mains failure, Output of 250 KVA/303HP and conforming to CPCB-II norms with working temperature range (-) 20 degree centigrade to (+) 70 degree centigrade & alternator of suitable capacity and RPM, coupled with each other and capable of taking 10% overload for one hour on every 12 hours with flexible coupling mounted on common base plate and antivibration pads on foundation as recommended by the manufacturer. The DG set shall comprise of electric starter motor with batteries of 24 Volts, 180 AH including suitable lead for charging with copper /brass terminals. The DG set shall have turbo charger after cooled type and electronic governing. AVR with all standard fittings, fixtures & all piping etc as furnished below and specified. Make: Greaves, Cummins, Caterpillar

(v) Environment- (i) Engine conforming to environment (protection) Rule 1986. (ii) Humidity up to 95% , (non condensing) (iii) Operating temp range (-) 20 degree centigrade to (+) 70 degree centigrade . (iv) Height above mean sea level (MSL) - 1954 Mtr. (a) Time permitted to build up rated voltage < 5 sec. (b) short circuit with stand time 10 sec. (c) Short circuit ratio 0.4 (d) Overload withstand capacity minimum 150% for 15 sec. (e) Type of cooling system alternator - Air cooled system. (f) Temp rise of armature winding - 125 Degree Centigrade (g) Temp rise of field winding - 125 Degree Centigrade. (h) Flow of alternator -6 m3/min (approx) (h) Flow of alternator -6 m3/min (approx) (k) Efficiency of alternator- (i) at 100% MCR & rated PF -94.0% (ii) at 75% MCR & rated PF -94.1% (iii) at 50% MCR & rated PF - 93.6%

Diesel Engine : Diesel Engine water cooled and electric start suitable to drive above alternator independently , coupled directly through flexible coupling , multi cylinder four stroke, cold starting 1500 RPM industrial type as per BS-5514 or IS-3046 with Mechanical governor integral with fuel system , to regulate speed of DG set from no load to full load complete with fule tank of capacity as per manfacturer's recommendation , including lowest weight to power ratio of 2.18 for Engine Silencer, Exhaust manifold duly insulated with asbestos rope and all fitting accessories such as bends, flanges, reducers and support structure from ceiling and silencer muffler etc for continous operation and standard accessories, extended to a suitable distance outside the DG Set Room as directed by Engr-in-charge , sump preheater etc all as specified and directed as follows:- (a) Aspiration - Turbocharged & after cooled. (b) Starting system - 24 Volts , Electric (c) Exhaust silencer type - Residential/ Hospital grade. (d) Exhaust noise level (with silencer)@ 1M -< 75dB (A) (e) Recovery time in goveror system - < 8 Sec (f) Max time to start from cold & attain rated speed & ready to start-5 sec. (g) Overload capacity - 10% for 1 hour in 12 hours of operation. Control Panel - The standard control panel consisting of control cubical fabricated sheet steel construction indoor type suitable for mounting accessories as compries below: Operator Interface Threshold warning Indications (a) Manual start/stop (a) Low oil pressure (b) Auto /remote start (b) Low Engine coolant Temperture (c) Auto LED (c) High Engine coolant Temperture (d) Not in Auto LED (d) Low Coolant level (e) Manual LED (e) Low Battery Voltage (f) Common shutdown LED (f) High Battery Voltage

(g) Common Warning LED (g) Battery Alt Charge Fault (h) Exercise LED (h) Over Current (J) Alphanumeric screen (J) Overload (K) Emergency stop (Local and remote) (I) Remote start input active (LED) (m) Fault reset Measurement & Instrumentation- (Engine Side) (a) Oil Pressure (b) Oil temperature (c) Water Temperature (d) Engine speed (e) Hours Run (f) Number of starts (g) Battery Voltage (h) Exhaust Temperature Measurement & Instrumentation- (Alternator Side) - 3 Phase L-L & L-N Voltage & Frequency (a) 3 Phase Current (b) KWH (c) Total KVA (d) Total KW & KVAr (e) PF (f) Per Phase , KVAr, KW (g) Per Phase KVA

Shutdown protection & Indication Shutdown protection & Indication (Engine Side) (Alternator side) (a) Low fuel level (a) Under & over voltage (b) High fuel level (b) Under & over Frequency (c) Low oil pressure (c) Over current (d) High engine coolant temperature (d) Earth leakage (e) Failure to Crank Shutdown (e) Reverse Power (f) Over crank (Failure to start) (f) Reverse Var (g) Over Speed Power Transfer Function : (a) Open Transition Transfer (b) Hard Closed Transition (c) Soft Closed Transition ( ramping) (d) Transfer & Base Load (Utility) (e) Gen / Mains Breaker Control (f) Gen/ Mains Breaker Status protection Electric Starter Equipment :- The Equipment will comprise the following:- (a) Maint free battery duly initally charged and battery lead with copper / brass terminals with 180 AH 24V capacity or as suggested by the OEM with fixing and locking arrangement complete. (b) Starter Motor (c) Starter Gear (d) Start/stop push button (e) Invertor cum battery charger 500 VA capacity suitable to work on 230 volts, 50 Hz AC Supply system for charging the DG set batteries externally when DG set is in off Position. (f) Alternator / dynamo of suitable capacity to charge the batteries while DG set is running complete with auto cut out all as per manufacturer's recommendation.

AMF Panel : Auto mains failure panel (OEM manufactured) 415 Volts. 50 Hz suitable for 250 KVA/200 KW DG Set made out of 16 guage mild steel sheet factory made with CRCA sheet cubical type floor mounted front and rear door openable with locking arrangement duly powder coated suitable for including the following:- (a) Microprocessor based auto transfer switch 4 pole 400 Amps, 415 Volts MCCB 02 Nos electronic control box for automatic switching on and off of DG Set and transfer of load as assembled and ready to use complete in all respect equipped as below :- (b) All accessories prewired with suitable size PVC insulated copper conductor cable of appropriate size including connections from DG set all as required at site including foundation as per manufacturer recommedations. Note : The AMF panel shall be integrated & synchronised with respective LT distribution panel and all electrical connection completed using copper bus bars PVC sleeved or appropriate rating but not less than as of LT panel and testing of DG Set to be carried out as specified in PS clause and policy in vogue and results to be submitted to Accepting Officer. The Contractor shall ensure for factory visit of rep detailed by AO before despatch of DG Set.

Note for Sr No 1 and 2 The following provisions are deemed to be included in the rate quoted for DG set:- (a) The quoted rate shall be deemed to be inclusive of first fill of lubricant oil and final successful acceptance test. (b) DHPP for testing purpose shall be supplied by the contractor without any extra cost to department. (c) The contractor shall arrange for artificial load for testing for final testing of DG Set at site and the cost is deemed to be including in above offer. (d) Testing of sound level should be carried out at the site in presence of GE (c) The quoted rate shall be deemed to be inclusive of 12 hours test run at site including of one hour on 10% overload in presence of representative detailed by accepting Officer, all arrangements are to be made by the contractor for tests. (d) Rate quoted shall be deemed to be included in making necessary holes to walls and making good the distrubed surfaces to match to original specification and connecting up all as specified and directed. (H) Civil Works :- All civil works with PCC plat form and related to foundations including of panel and equipments and making good the existing structrure of distrubed during installtion and commissioning of Genset. The depth of the foundation shall be minimum 300 mm with antivibration pads or as recommended by the manufacturer. (i) Rate quoted shall be deemed to dismant of 200/250 KVA BER DG set and shifting to MES Store yard

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