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<br />ENGINE GENERATORS
<br />PART I GENERAL
<br />1.1 SUMMARY
<br />A. Section includes engine generator set exhaust silencer and
<br />Fittings, transfer switch, fuel fittings and day tankremote
<br />control panel, load bank, battery, and charger_
<br />12 REFERENCES
<br />A, National Electrical Manufacturers Association:
<br />I, NEMA 250 - Enclosures for Electrical Equipment (1000
<br />Volts Maximum)_
<br />2, NEMA AB 1 - Molded Case Circuit Breakers and
<br />Molded Case Switches.
<br />3_ NEMA ICS 10 - Industrial Control and Systems: AC
<br />Transfer Switch Equipment_
<br />4, NEMA MG 1 - Motors and Generators.
<br />B. International Electrical Testing Association:
<br />1, NETA ATS - Acceptance Testing Specifications for
<br />Electrical Power Distribution Equipment and Systems_
<br />C_ National Fire Protection Association:
<br />I, NFPA 30 - Flammable and Combustible Liquids Code,
<br />2, NFPA 99 - Standard for Health Care FacTITtTes.
<br />3_ NFPA 110 - Standard For Emergency and Standby Power
<br />Systems,
<br />13 SYSTEM DESCRIPTION
<br />A, Description: Engine generator assembly and accessories
<br />to provide source of power for stand by applications in
<br />accordance with NFPA 110,
<br />B, Capacity= 50kW, 62 kVA at elevation of 500 feet above
<br />sea level, standby rating using specified engine cooling
<br />scheme,
<br />IA SUBMITTALS
<br />A. Shop Drawings: Indicate electrical characteristics and
<br />connection requirements, Include plan and elevation views
<br />with overall and interconnection point dimensions, fuel
<br />consumption rate curves at various loads, ventilation and
<br />combustion air requirements, electrical diagrams including
<br />schematic and interconnection diagrams,
<br />B_ Product Data: Submit data showing dimensions, weights,
<br />ratings, interconnection points, and internal wiring diagrams
<br />for engine, generator, control panel, transfer switch,
<br />battery, battery rack, battery charger, exhaust silencer,
<br />vibration isolators, day tank, and remote radiator_
<br />C. Test Reports: Indicate results of performance testing,
<br />D, Manufacturer's Field Reports: Indicate inspections,
<br />Findings, and recommendations.
<br />1,5 CLOSEOUT SUBMITTALS
<br />A, Operation and Maintenance Data: Submit instructions and
<br />service manuals for normal operation, routine maintenance,
<br />oil sampling and analysis for engine wear, and emergency
<br />maintenance procedures_
<br />L6 QUALIFICATIONS
<br />A. Manufacturer: Company specializing in manufacturing
<br />products specified in this section with minimum three years
<br />experience and with service facilities within 100 miles of
<br />project.
<br />1,71 WARRANTY
<br />A, Furnish Five year manufacturer warranty,
<br />1-6 MAINTENANCE SERVICE
<br />A. Furnish service and maintenance of engine generator and
<br />transfer switch for one year From Date of Substantial
<br />Completion,
<br />I-S MAINTENANCE MATERIALS
<br />A. Furnish one set of tools required For preventative
<br />maintenance of engine generator system. Package tools in
<br />adequately sized metal tool box.
<br />B_ Furnis two of each Fuel, oil and air filter element_
<br />PART 2 PRODUCTS
<br />2-1 ENGINE
<br />A, Product Description: Tn-ITne or V-type compression
<br />ignition Diesel Internal combustion engine_
<br />B, Rating: Sufficient to operate under 10 percent overload
<br />For one hour in ambient of 90 degrees F at elevation of
<br />500 Feet
<br />C_ Fuel System: No_ 2 DeTsel
<br />D, Engine speed: 1800 rpm,
<br />E. Safety Devices: Engine shutdown on high water
<br />temperature, low oil pressure, overspeed, and engine
<br />overcrank. Limits as selected by manufacturer_
<br />F, Engine Starting: DC starting system with positive
<br />engagement, number and voltage of starter motors to
<br />accordance with manufacturer's instructions. Furnish remote
<br />starting control circuit, with MANUAL -OFF -REMOTE selecto
<br />switch on engine -generator control panel,
<br />G, Engine Jacket Heater: Thermal circulation type water heat
<br />with integral thermostatic control, sized to maintain engine
<br />Jacket water at 50 degrees and suitable for operation o
<br />120 volts AC_
<br />H, Radiator: Radiator using glycol coolant, with blower type
<br />fan, sized to maintain safe engine temperature In ambient
<br />temperature of 110 degrees F (43 degrees C)_ Radiator a
<br />Flow restriction 0,5 inches of water (125 Pa) maximum.
<br />I, Engine Accessories: Fuel Filter, tube oil filter, intake air
<br />Filter, lube oil cooler, Fuel transfer pump, fuel priming pump
<br />gear -driven water pump_ Furnish Fuel pressure gage, water
<br />temperature gage, and tube oil pressure gage on
<br />engine/generator control panel,
<br />J. Mounting: Furnish unit with suitable spring -type vibration
<br />isolators and mount on structural steel base_
<br />22 GENERATOR
<br />A, Manufacturers:
<br />I, Kohler Model 50RE02JD.
<br />2. Substitutions: Permitted
<br />B. Product Description: NEMA MGi, three phase, six pole,
<br />reconnectable brushless synchronous generator with
<br />brushless exciter. 5 C_ Rating: 0kW/62 kVA, at 0.5 power factor, 208Y/120 volts
<br />60Hz at 1600 rpm.
<br />D. Insulation Glass: F_
<br />E, Temperature Rise: 130 degrees C Standby,
<br />F_ Enclosure: NEMA MGI, open drip proof_
<br />G, Voltage Regulation: Furnish generator mounted volts per
<br />hertz exciter -regulator to match engine and generator
<br />characteristics, with voltage regulation plus or minus I
<br />percent From no load to full load_ Furnish manual controls
<br />to adjust voltage droop, voltage level (plus or minus 5
<br />percent) and voltage gain,
<br />23 GOVERNOR
<br />A, Product Description: Electronic or Isochronous governor
<br />to maintain engine speed within 0.5 percent, steady state,
<br />and 5 percent, no load to Full load, with recovery to
<br />steady state within 2 seconds Following sudden load
<br />changes_ Equip governor with means For manual operation
<br />and adjustment,
<br />24 AUTOMATIC TRANSFER SWITCH
<br />A, Product Description: NEMA ICS 10, automatic transfer
<br />switch,
<br />B, Configuration: Electrically operated, mechanically held
<br />transfer switch,
<br />C, Interrupting Capacity: as required by available fault
<br />current_
<br />D_ Withstand Current Rating: 42,000 rms symmetrical amperes,
<br />when used with molded case circuit breaker,
<br />E, Control Features and Functions:
<br />1_ IndicatTng Lights: Mount Tn cover of enclosure to
<br />Indicate NORMAL SOURCE AVAILABLE, ALTERNATE
<br />SOURCE AVAILABLE, switch position,
<br />2, Test Switch: Mount In cover of enclosure to simulate
<br />Fa i lure of normal source,
<br />3. Return to Normal Switch: Mount in cover of enclosure
<br />to initiate manual transfer From alternate source to
<br />normal source.
<br />4_ Transfer Switch Auxiliary Contacts: Inormally openil
<br />normally closed,
<br />5_ Normal Source Monitor: Monitor each line of normal
<br />source voltage and frequencyt initiate transfer when
<br />voltage drops below 85 percent or Frequency varies
<br />more than 3percent from rated nominal value,
<br />F_ Automatic Sequence of Operation:
<br />1, Initiate Time Delay to Start Alternate Source Engine
<br />Generator: Upon initiation by normal source monitor_
<br />2, Time Delay To Start Alternate Source Engine
<br />Generator: 0 to 60 seconds, adjustable_
<br />3, Initiate Transfer Load to Alternate Source: Upon
<br />initiation by normal source monitor and permission by
<br />alternate source monitor.
<br />4_ Time Delay Before Transfer to Alternate Power Source:
<br />0 to 60 seconds, adjustable,
<br />5, Initiate Retransfer Load to Normal Source: Upon
<br />permission by normal source monitor.
<br />6_ Time Delay Before Transfer to Normal Power: 0 to 60
<br />seconds, adjustablet bypass time delay in event of
<br />alternate source failure.
<br />G, Time Delay Before Engine Shut Down: 0 to 60 minutes,
<br />adjustable, of unloaded operation,
<br />H, Engine Exerciser. Start engine every I or 30dayst run for
<br />30minutes before shutting down. Bypass exerciser control
<br />when normal source falls during exercising period.
<br />I, Alternate System Exerciser: Transfer load to alternate
<br />source during engine exercising period.
<br />J_ Enclosure=
<br />1, Enclosure: Weatherproof, Sound Attenuated, Wind
<br />Rated For 140 mph
<br />2, Finish: Manufacturer's standard
<br />2.5 ACCESSORIES
<br />A, Skid -Mounted Fuel Tank UL124 FL DEP accepted double
<br />wall steel tank, with FIII and vent. 24 hour at full load
<br />capacity
<br />B_ Exhaust Silencer: Critical type silencer, with muffler
<br />companion Flanges and flexible stainless steel exhaust
<br />fitting, sized In accordance with engine manufacturer's
<br />instructions,
<br />C, Batteries: Heavy duty, diesel startingtype lead -acid
<br />storage batteries_ Match battery votage to starting
<br />system_ Furnish cables and clamps_
<br />D. Battery Tray: Treated for electrolyte resistance,
<br />constructed to contain spillage.
<br />E_ Battery Charger: Current limiting type designed to float at
<br />2_11 volts For each cell and equalize at 233 volts for each
<br />cell. Furnish overload protection, full wave rectifier, DC
<br />voltmeter and ammeter, and 120 volts AC fused input.
<br />Furnish wall mounted enclosure to meet NEMA 250, Type I
<br />requirements_
<br />F, Line Circuit Breaker: NEMA AB 1, molded case circuit
<br />breaker on generator output with integral thermal and
<br />instantaneous magnetic trip in each pole_ Furnish battery
<br />voltage operated shunt trip, connected to open circuit
<br />breaker on engine Failure. Unit mount in enclosure to meet
<br />NEMA 250, Type 1 requirements.
<br />G, Engine -Generator Control Panel: NEMA 250, Type I
<br />generator -mounted control panel enclosure with engine and
<br />generator controls and indicators, Furnish provision for
<br />padlock and the Following equipment and features:
<br />I. Frequency Meter: 45-65 Hz. range,
<br />2_ AC Output Voltmeter:, 2 percent accuracy, with phase
<br />selector switch,
<br />3, AC Output Ammeter:, 2 percent accuracy, with phase
<br />selector switch,
<br />4_ Output voltage adjustment_
<br />5. Push -to -test indicator lamps, one each for low oil
<br />pressure, high water temperature, overspeed, and
<br />overcrank
<br />ro_ Engine start/stop selector switch,
<br />i, Engine running time meter.
<br />6, Oil pressure gage.
<br />9, Water temperature gage,
<br />10_ Auxiliary Relay: 3PDT, operates when engine runs, with
<br />contact terminals prewired to terminal strip.
<br />IL Additional visual indicators and alarms In accordance
<br />with by NFPA 110,
<br />r 12, Remote Alarm Contacts: Factory wire SPOT contacts to
<br />terminal strip for remote alarm functions in accordance
<br />er with NFPA 110
<br />H, Remote Annunciator Panel: Flush mounted panel with
<br />n brushed stainless steel or painted finish, Furnish audible
<br />and visible indicators and alarms In accordance with NFPA
<br />110,
<br />1, High battery voltage (alarm).
<br />Tr 2_ Low battery voltage (alarm)_
<br />3, Low fuel (alarm).
<br />4, System ready,
<br />5, Anticipatory -high water temperature_
<br />6_ Anticipatory -low oTI pressure.
<br />1, Low coolant temperature.
<br />6. Switch in off position (alarm)
<br />g, Overcrank (alarm).
<br />10, Emergency stop (alarm)_
<br />11, High water temperature (alarm).
<br />12, Overspeed (alarm)_
<br />13, Low oil pressure (alarm).
<br />14, Line power available_
<br />15. Generator power available.
<br />16, Lamp test and horn silence switch,
<br />1, Weather -protective Enclosure: Reinforced steel housing
<br />allowin access to control panel and service points, with
<br />lockable doors and panels. Furnish fixed louvers, 24 hour
<br />fuel tank, battery rack, and silencer.
<br />J_ Load Bank: Complete load bank for pacing resistive load
<br />on generator
<br />PART 3 EXECUTION
<br />3,1 INSTALLATION
<br />A, install engraved plastic nameplates.
<br />B_ Ground and bond generator and other electrical system
<br />components in accordance with NEC, Do not bond neutral
<br />to equipment ground
<br />FIELD QUALITY CONTROL
<br />C, inspect and test In accordance with NETA ATS, except
<br />Section 4,
<br />D. Perform inspections and tests listed in NETA ATS, Section
<br />t22,
<br />32 MANUFACTURER'S FIELD SERVICES
<br />A. Prepare and start up engine -generator assembly.
<br />33 ADJUSTING
<br />A, Adjust generator output voltage and engine speed to
<br />meet specified ratings-
<br />3-4 CLEANING
<br />A. Clean engine and generator surfaces, Replace oil and Fuel
<br />Filters with new-
<br />3-5 DEMONSTRATION AND TRAINING
<br />A, Furnish 2 hours of instruction each for two persons, to be
<br />conducted at project site with manufacturer's
<br />representative
<br />B_ Describe loads connected to standby system and
<br />restrictions for future load additions_
<br />C, Simulate power outage by interrupting normal source, and
<br />demonstrate system operates to provide standby power.
<br />END OF SECTION
<br />O ELECTRICAL. CrtENERr4TOR 8MCIFIC,ATiONS
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<br />VIBRATION 16
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<br />2OA/120 V
<br />TO PNL L
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<br />2CA/i20 V
<br />TO PNL L
<br />LAMINATED 3 LAYER WHITE PLASTIC PLATE WITH BLACK
<br />ENGRAVED LETTERS. ATTACHMENT SHALL BE STAINLESS
<br />STEEL WITH NUTS AND BOLTS OR RIVETS, (TYPICAL)
<br />1/4" HIGH LETTERS
<br />DOOR LATCHES ARE
<br />KEY LOCKING AND
<br />PADLOCKABLE PANEL 'R'
<br />CALL DOORS) ® @
<br />225A, 120/208V 3 PHASE 4W
<br />---ACCOUSTIC LOUVER I I FED FROM 'DP'
<br />AS REQUIRED IN
<br />---STEEL SHROUD TO SEAL NOTES:
<br />RADIATOR TO LOUVER
<br />I, NEW NAMEPLATES MUST BE INSTALLED ON ALL
<br />ELECTRICAL PANELS TEMPORARY NAMEPLATES ARE
<br />NOT ACCEPTABLE_
<br />)LATORS 2, THE AMPERAGE RATING ENGRAVED ON THE NAMEPLATE
<br />SHALL BE THE RATING OF THE MAIN OVERCURRENT
<br />PROTECTION DEVICE, OR iTS TRIP DEVICE SETTING, OR
<br />DESIGN BUS CAPACITY IN THE ABSENCE OF A MAIN
<br />OVER CURRENT DEVICE, NOT THE SWITCHBOARD OR
<br />PANELBOARD BUS RATING.
<br />3, REFER TO SPECIFICATIONS FOR NAMEPLATE
<br />REQUIREMENTS,
<br />THE ENCLOSURE SHALL BE LISTED AND CERTIFIED TO 140 MPH WIND
<br />SPEED CAPABILITY. ANALYSIS IS TO BE MADE OF THE ENCLOSURES
<br />SUBJECTED TO A WIND LOADING BASED ON ASCE i-S8 WITH A 150 MPH
<br />EXPOSURE D DESIGN SPEED AND A CATEGORY 1 IMPORTANCE
<br />FACTOR AND USING ALLOWABLE STRESS LIMITS OF ASCE -1-98 IN
<br />THE DESIGN,
<br />"02GENEIRATOR ENCLOSUtRE DETAILS
<br />SCALE: NOT TO SCALE
<br />ENGINE CONTROL
<br />GENERATOR EMERGENCY STOP PANEL
<br />SWITCH, LOCATE ADJACENT TO
<br />RED PILOT LIGHT WiTH ENGRAVED
<br />NAMEPLATE STATING "EMERGENCY
<br />STOP SWITCH OPERATED". MOUNT
<br />ON ENGINE CONTROL PANEL_
<br />PANEL DP IN NEMA 1 BOX -
<br />ENGRAVED PLATE WITH 1/4" WHITE
<br />ENGRAVED LETTERS ON RED LAMINATED
<br />PLASTIC UNDER STOP SWITCH TO READ
<br />"GENERATOR EMERGENCY STOP",
<br />SURFACE MOUNT SWITCH 4'-6"_ l
<br />_ I
<br />2 NO, 16 STRANDS
<br />CONNECT I
<br />C TO ENGINE
<br />EMERGENCY
<br />STOP CIRCUI
<br />ENGINE EMERGENCY I
<br />STOP RELAY WITH 2 NO_
<br />I - CONTACTS MOUNTED WITHIN
<br />ENGINE CONTROL PANEL
<br />24V, DC
<br />2 NO, 12 - 1/2" C_
<br />�I C� Rr4TOR AL�4fi��" i RISER DIAGRAM
<br />SCALE: NOT TO SCALE
<br />GENERATOR CONTROL
<br />PANEL ALARMS
<br />GENERATOR ON-LINE
<br />LOW OIL
<br />LOW WATER TEMP
<br />HIGH WATER TEMP
<br />OVERSPEED
<br />OVERGRANK
<br />WATER TEMP PRE -ALARM
<br />LOW OIL PRE -ALARM
<br />GENERATOR DISABLE
<br />GROUND FAULT
<br />ALARMS PER
<br />NFPA 110 LEVEL I
<br />Ir-la 016 MONITOR, 2-012 SHUNT
<br />TRIP P. CONSULT MFR,
<br />imIIIIIIIIII 7 1- -1
<br />REMOTE
<br />ANNUNCIATOR
<br />PANEL
<br />ADJACENT TO
<br />'DP'
<br />D 1619NEIRATCRAR5 SMUT OCUN DIAGRAM
<br />SCALE: NOT TO SCALE
<br />EPO SWITCH
<br />O
<br />NOT • SCALE
<br />LAMINATED 3 LAYER WHITE PLASTIC PLATE WITH BLACK
<br />ENGRAVED LETTERS, ATTACHMENT SHALL BE STAINLESS
<br />STEEL WITH NUTS AND BOLTS OR RIVETS. (TYPICAL)
<br />1/4" HIGH LETTERS
<br />AS REQUIRED
<br />® RT U -1 ® 1-3/8"
<br />Fed from: 'DP1' cir. no. 1,3,5 70A
<br />1/8" HIGH LETTERS
<br />HIGH LETTERS
<br />TYPICAL D i SCONNE CT NAME PLATE D E TA i L
<br />NOT TO SCALE
<br />3/4" HiGH LETTERS
<br />AS REQUIRED
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<br />EQUIPMENT NAMEPLATE DETAiLS
<br />NOT TO SCALE
<br />�I 94*2 0L4T.. DETAILS
<br />SCALE: NOT TO SCALE
<br />REVISIONS
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<br />Date: 06. 12. 12
<br />Scale: AS NOTED
<br />Project Mgr: AAY
<br />Drawn: 1NR
<br />Job: 10-61
<br />Sheet
<br />E5
<br />7-
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