26 32 10 Diesel Standby Power Generation System.pdf

DIESEL STANDBY POWER GENERATION SYSTEM 263210 - 1

SECTION 26 32 10 – DIESEL STANDBY POWER GENERATION SYSTEM

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Diesel engine.

2. Diesel generator.

3. Generator control panel.

4. Remote alarm annunciators.

5. Transfer switches.

6. Auxiliary equipment.

7. Subbase fuel tank.

8. Weatherproof enclosure.

1.2 SYSTEM DESCRIPTION

A. The engine generator set, in conjunction with the necessary control and accessories, will comprise a complete operating package for KW ratings as shown on Drawings for installation at local elevation and ambient temperature extremes (average maximum and average minimum) as recorded by local U.S. Weather Bureau meteorological station.

B. Provide engine generator set and transfer switches compliant with Level 1 Emergency

Power Supply System (EPSS) under NFPA 110.

C. Provisions and connection of automatic transfer switches to comply with NFPA-76 requirements. Include control wiring with transfer switch for automatic start/stop control to generator control panel equipment.

D. Provide diesel fuel source, unless otherwise noted, including storage, pumps, sensors, piping, venting and other associated equipment.

E. Provide exhaust system in compliance with federal, state and local environmental air quality standards.

F. Basis of Design: Generator on Drawings is designed based on Caterpillar product line.

Approved manufacturers listed below are allowed on condition of meeting the specified conditions including the available space for the equipment (including Code required working clearances). Remove and replace electrical equipment installed not meeting these conditions at no cost to Owner.

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1.3 REGULATORY REQUIREMENTS

A. The generator set installation and on-site testing shall conform to the requirements of the following codes and standards, as applicable. The generator set includes necessary features to meet the requirements of these standards.

1. IEEE 446, Recommended Practice for Emergency and Standby Power Systems for Commercial and Industrial Applications.

2. NFPA 37, Standard for the Installation and Use of Stationary Combustion

Engines and Gas Turbines.

3. NFPA 70, National Electrical Code. Equipment suitable for use in systems compliant to Articles 700, 701, and 702.

4. NFPA 110, Standard for Emergency and Standby Power Systems. The generator set shall meet requirements for Level 1 systems. Level 1 prototype tests required by this standard shall have been performed on a complete and functional unit, component level type tests will not substitute for this requirement.

B. The generator set and supplied accessories shall meet the requirements of the following standards:

1. NEMA MG1. Alternator shall comply with the requirements of this standard.

2. UL 142, Steel Aboveground Tanks for Flammable and Combustible Liquids.

3. UL 1236, Battery Chargers for Charging Engine-Starter Batteries.

4. UL 2200, Stationary Engine Generator Assemblies. List the generator set to

UL 2200 or submit to an independent third party certification process to verify compliance as installed.

C. The control system for the generator set shall comply with the following requirements:

1. EN50082-2, Electromagnetic Compatibility – Generic Immunity Requirements, Part 2: Industrial.

2. EN55011, Limits and Methods of Measurement of Radio Interference

Characteristics of Industrial, Scientific and Medical Equipment.

3. FCC Part 15, Subpart B.

4. UL 508, Industrial Control Equipment. The entire control system of the generator set UL 508 listed and labeled.

5. UL 1236, Battery Chargers for Charging Engine-Starter Batteries.

1.4 SUBMITTALS

A. Provide shop drawings and product data for the following equipment:

1. Diesel engine.

2. Diesel generator.

3. Generator control panel.

4. Remote alarm annunciators.

5. Transfer switches.

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6. Auxiliary equipment.

7. Subbase fuel tank.

8. Weatherproof enclosure.

B. Include the Following in Shop Drawing Submittals:

1. Plans and elevations of the diesel generator set and weatherproof enclosure offered hereunder and its installation requirements including fuel tanks.

2. Provide contact name, address. and estimated distance from site to nearest technical support facility. Service facility must be within 50 miles of site project or approved.

3. Technical literature describing the diesel engine generator set performance including certified engine horsepower curves and deratings for project site altitude and ambient temperature conditions.

4. Drawings and literature describing auxiliary equipment furnished including mounting detail, exhaust and supply ductwork, and required wall louvers.

5. Operations and Maintenance Data: Provide from the system manufacturer authorized local dealer one copy of each of the following manuals and books for each unit under this Contract to the Owner:

a. Operating Instructions with description and illustration of switchgear controls and indicators and engine and generator controls.

b. Parts books which illustrate and list all assemblies, subassemblies and components, except standard fastening hardware (nuts, bolts, washers, etc.).

c. Preventative maintenance instructions on the complete system that cover daily, weekly, monthly, biannual, and annual maintenance requirements and include a complete lubrication chart.

d. Routine Test Procedures for electronic and electrical circuits and for the main AC generator.

e. Troubleshooting Chart covering the complete generator set showing description of trouble, probable cause, and suggested remedy.

f. Recommended Spare Parts List showing consumables anticipated to be required during routine maintenance and test.

g. Wiring Diagrams and Schematics showing function of electrical components.

h. Manuals and books described above shall be contained in rigid plastic pouches.

6. Stamped construction drawings by registered structural engineer in the state of the project site for seismic bracing of the generator set and transfer switch(es) for compliance with IBC seismic requirements for standby and life safety emergency electrical equipment.

C. Provide the following operating and maintenance and instructions from the manufacturer for project closeout, see Project Closeout Requirements in Division 01:

DIESEL STANDBY POWER GENERATION SYSTEM 263210 - 4

1. Diesel engine.

2. Diesel generator.

3. Generator control panel.

4. Remote alarm annunciators.

5. Transfer switches.

6. Auxiliary equipment.

7. Subbase fuel tank.

8. Weatherproof enclosure.

1.5 QUALITY ASSURANCE

A. Provide generator set that is the product of a manufacturer regularly engaged in the production of this type of equipment and one that has a local distributor and service organization. Configure the generator for single unit operation.

B. Generator supplier is responsible for engine, generator, automatic transfer switches, battery charger, engine block heater, subbase tank, weatherproof enclosure, fuel transfer pumps, automatic start/stop control equipment and circuitry and seismic bracing, so that there is one source of supply and responsibility.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Caterpillar, Cummins, Kohler, Katolight, DDC/MTU Power Generation, Generac, or approved.

2.2 RATING

A. Base the rating of the engine generator set on operation of the set when equipped with necessary operating accessories including but not limited to radiator, fan, air cleaners, lubricating oil pump, fuel transfer pump, fuel injection pump, jacket water pump, governor, charging generator, alternating current generator and exciter regulator.

B. Provide the engine generator set capable of producing rated voltage and output continuously for standby power applications at the ambient temperature and altitude conditions. Provide ratings from the manufacturer's standard published data. Special ratings are not acceptable. Refer to Drawings for ratings.

2.3 ENGINE AND FUEL SYSTEM

A. Diesel: Diesel engine, liquid cooled producing 1.5 HP per KW to operate at 1800 rpm for full electrical output rating, based on site conditions of; altitude and ambient temperature. Engine to be mounted to continuous structural steel frame under complete unit.

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B. Fuel System:

1. Provide the engine with a complete fuel system consisting of fuel pump, fuel filter, pump injectors and associated piping.

2. Provide a sub-base tank within a vented secondary containment tank of equal construction mounted to structural steel frame. UL list and label tank.

3. The subbase tank is heavy gauge furnished complete corrosion resistant lining suitable for diesel storage. The minimum capacity of the primary storage tank will provide 24 hours of operation under full load.

4. Provide the tank with low fuel sensing device and annular leak detection with an alarm panel. Tank size is not to exceed generator housing outside diameter or increase generator height by more than 18 inches.

5. Provide primary fuel storage tank with float operated overfill protection.

6. Provide required vent piping for the primary fuel storage tank and the annular space between the primary and secondary containment tank as indicated on the plumbing Drawings. The vent termination fittings furnished for the annual vent of the secondary containment will be atmospheric type.

7. Provide flexible fuel supply and return lines between fuel storage tank and generator.

8. Provide the subbase tank as a package system. Manufacturers: Tramont, Pryco, or approved.

C. Fuel and Lubricants: The engines meet requirements specified herein when operating on diesel fuel conforming to VV-F-800, grade DF-1 or DF-2. The engines meet requirements specified herein using lubricating oil conforming to MIL-L-2104, viscosity grade as recommended by engine manufacturer.

D. Lubrication:

1. The engine shall have a gear-type lubricating oil pump for supplying oil under pressure to the main bearings, pistons, piston points, timing gears, camshaft bearings and valve rocker mechanism.

2. Provide full flow oil filters, conveniently located for servicing. Equip the filter with a spring loaded bypass valve to ensure oil circulation if filters are clogged.

Provide a suitable oil cooler as recommended by engine manufacturer.

3. Provide an oil drain line extension with manual shutoff valve as part of the engine oil pan.

E. Air Cleaners: Provide the engine with one or more dry type air cleaners.

F. Heaters:

1. The engine liquid cooling system is heated by an auxiliary electric liquid heater to ensure a minimum coolant temperature of 120 degrees F in an ambient of 20 degrees F.

2. The engine liquid cooling system heater has an automatic control thermostat and oil pressure disconnect switch.

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G. Engine Speed Governing System: An electronic governor system provides automatic frequency regulation. Control the governing system dynamic capabilities as a function of engine coolant temperature to provide fast, stable operation at varying engine operating temperature conditions. The control system actively controls the fuel rate and excitation as appropriate to the state of the generator set. Regulate fuel rate as a function of starting, accelerating to start disconnect speed, accelerating to rated speed.

The governing system includes a programmable warm up at idle and cooldown at idle function. While operating in idle state, the control system disables the alternator excitation system.

H. Batteries and Charger System:

1. Install lead-acid batteries having sufficient capacity for cranking the engine for at least 30 seconds at firing speed in the ambient temperatures specified in these

Specifications and with capacity for starting the diesel engine a minimum of four times.

2. Provide the batteries complete with intercell connections and mounted in a metal frame or rack of corrosion resisting metal.

3. Provide the battery charger enclosed (weatherproof if exterior), wall mounted, constant voltage, heavy duty, industrial type designed for operation from 120 volt, 1 phase, 60 Hz, AC power. The charger is suitable for keeping the engine starting batteries in a charged condition during periods when the engine is idle. Rectifier elements are silicon diodes capable of continuous operation at full rated load using convection cooling in ambient temperatures up to 125 degrees F. The charger automatically adjusts from full rated output to trickle charge and from trickle charge to full rated output, depending on the state of charge of the battery.

Provide the charger equipped with a voltmeter, ammeter AC and DC circuit protection, voltage surge suppression.

I. Cooling System:

1. Provide the engine with a cooling system having sufficient capacity for cooling the engine when the generator set is delivering full rated load in the ambient temperature. Install permanent type antifreeze solution to the coolant for minus

20 degrees F.

2. Equip the engine with an engine driven, centrifugal-type water circulating pump and thermostatic valve to maintain the engine at recommended temperature level.

3. Equip the engine with a radiator and fan of a type and capacity recommended by engine manufacturer. Provide blower fan.

J. Exhaust System: Provide suitable silencer of the critical residential type, with the engine. Use stainless steel, flexible exhaust pipe from engine exhaust to silencer.

Provide exhaust opening rain guard. Support silencer independent of engine.

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2.4 GENERATOR

A. Rating:

1. The generator is capable of producing rated voltage and output at 0.8 power factor, based upon site conditions of; altitude and ambient temperatures.

2. Provide the generator rating applicable for continuous service in standby power application. Maximum voltage dip on full load and power factor is 15 percent.

3. Temperature Rise: 130 degrees C above 40 degrees C ambient.

B. Construction:

1. Provide the generator with a revolving field, single bearing type, coupled directly to the engine flywheel through a flexible driving disc for positive alignment.

Provide the rotor dynamically balanced up to 25 percent overspeed.

2. Provide the generator of heavy duty, compact design. The insulation is Class H or better, as recognized by NEMA MG-1. The generator is equipped with full amortisseur windings for paralleling.

3. The generator field excitation is performed by permanent magnet mounted on rotor shaft.

4. Provide microprocessor based digital voltage regulator with fully programmable operating and protection characteristics. Regulator capable of sensing true RMS in three phases of alternator output voltage, or operating in single phase sensing mode. Alternator output voltage adjustable between –10 percent and +10 percent of nominal.

5. Provide generator output circuit breaker integral to generator output terminal enclosure. Remote annunciator panel to monitor breaker and report a trouble signal when open.

C. Generator Set Performance:

1. Provide the voltage regulation from no load to rated load within a band of plus or minus 0.5 percent of rated voltage. The steady state voltage stability remains within a 0.5 percent band of rated voltage. Steady state voltage modulation does not exceed 1 cycle per second.

2. For addition of load up to and including 100 percent of rated load, the voltage dip does not exceed 15 percent of rated voltage. The voltage recovers to and maintains within the steady band in not more than 1.5 seconds.

3. Frequency Regulation: Steady state no load to steady state rated load. Random frequency variation with any steady load shall not exceed plus or minus 0.5 percent. For addition of load up to 90 percent of rated load, the frequency recovers to the steady state frequency band within 5 seconds.

4. The alternator shall produce a clean AC voltage waveform, with not more than 5 percent total harmonic distortion at full linear load, when measured from line to neutral, and with not more than 3 percent in any single harmonic, and no third order harmonics or their multiples. Telephone influence factor: less than 40.

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5. Engine manufacturer certifies the generator set to be suitable for use at the installed location and rating, and shall meet applicable exhaust emission requirements at the time of commissioning.

D. Mounting:

1. Provide the engine and generator equipped with a common steel weldment subbase for mounting the engine generator unit to a concrete foundation.

2. Provide the engine equipped with pad type vibration isolators between the subbase and the concrete foundation.

3. Install per stamped installation drawings by structural engineer for compliance with IBC seismic bracing requirements.

4. Isolators (Pad Type): Ribbed or waffled pad. Pads resistant to heat and age, impervious to oil, water, antifreeze, diesel fuel and cleaning compounds.

2.5 GENERATOR CONTROL PANEL

A. Generator Set Control: Provide the generator set with a microprocessor-based control system that is designed to provide automatic starting, monitoring, and control functions for the generator set. Design the control system also to allow local monitoring and control of the generator set, and remote monitoring and control as described in this specification.

B. Mount the control on the generator set, or may be mounted in a free-standing panel next to the generator set if adequate space and accessibility is available. The control shall be vibration isolated and prototype tested to verify the durability of components in the system under the vibration conditions encountered.

C. The generator set mounted control includes the following features and functions -

Control Switches:

1. Mode Select Switch: The mode select switch shall initiate the following control modes. When in the RUN or MANUAL position the generator set shall start, and accelerate to rated speed and voltage as directed by the operator. A separate push-button to initiate starting is acceptable. In the OFF position the generator set shall immediately stop, bypassing time delays. In the AUTO position the generator set shall be ready to accept a signal from a remote device to start and accelerate to rated speed and voltage.

2. EMERGENCY STOP Switch: Red "mushroom-head" pushbutton. Depressing the emergency stop switch shall cause the generator set to immediately shut down, and be locked out from automatic restarting.

3. RESET Switch: Use the RESET switch to clear a fault and allow restarting the generator set after it has shut down for any fault condition.

4. PANEL LAMP Test Switch: Depressing the panel lamp switch shall cause the entire panel to be lighted.

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D. Generator Set AC Output Metering: Provide the generator set with a metering set including the following features and functions: Digital metering set, 1 percent accuracy, to indicate generator RMS voltage and current, frequency, output current, output KW, KW-hours, and power factor. Generator output voltage shall be available in line-to-line and line-to-neutral voltages, and shall display 3-phase voltages (line to neutral or line to line) simultaneously.

E. Generator Set Alarm and Status Display:

1. The generator set control shall include LED alarm and status indication lamps.

The lamps are high-intensity LED type. The lamp condition is clearly apparent under bright room lighting conditions.

2. The generator set control indicates the existence of the warning and shutdown conditions on the control panel and comply with protection and diagnostic requirements of NFPA 110 for a Level 1 EPSS. Conditions indicated below for warning field-configurable for shutdown. Conditions required to be annunciated include:

a. Control switch not in auto (warning)

b. Emergency stop depressed (warning)

c. Battery charger AC failure (warning)

d. Low oil pressure (warning).

e. Low oil pressure (shutdown).

f. Low coolant temperature (warning).

g. High coolant temperature (warning).

h. High coolant temperature (shutdown).

i. High oil temperature (warning).

j. Low coolant level (warning).

k. Fail to start/overcrank (shutdown).

l. Overspeed (shutdown).

m. Low DC voltage (warning).

n. High DC voltage (warning).

o. Low fuel level (warning).

p. High AC voltage (shutdown).

q. Low AC voltage (shutdown).

r. Under frequency (shutdown).

s. Overcurrent (warning).

t. Overcurrent (shutdown).

u. Short circuit (shutdown).

v. Generator powering load.

F. Engine Status Monitoring: The following information is available from a digital status panel on the generator set control:

1. Engine oil pressure (psi or kPA).

2. Engine coolant temperature (degrees F or C).

3. Engine oil temperature (degrees F or C).

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4. Engine speed (rpm).

5. Number of hours of operation (hours).

6. Battery voltage (DC volts).

G. Engine Control Functions:

1. The control system provided includes a cycle cranking system, which allows for user selected crank time, rest time, and number of cycles. Initial settings for 3 cranking periods of 15 seconds each, with 15-second rest period between cranking periods.

2. The control system includes an idle mode control, which allows the engine to run in idle mode in the RUN position only. In this mode, the alternator excitation system disabled.

3. The control system includes an engine governor control, which functions to provide steady state frequency regulation as noted elsewhere in this specification.

The governor control includes adjustments for gain, damping, and a ramping function to control engine speed and limit exhaust smoke while the unit is starting.

H. Control Interfaces for Remote Monitoring: The control system provides four programmable output relays. These relay outputs are configurable for any alarm, shutdown, or status condition monitored by the control. Configure the relays to indicate: (1) generator set operating at rated voltage and frequency, (2) common warning, (3) common shutdown, (4) load shed command.

I. Remote Alarm Annunciator:

1. Provide and install LED type remote alarm annunciator with horn, located as shown on the drawings or in a location that can be conveniently monitored by facility personnel. The remote annunciator shall provide the audible and visual alarms called for by NFPA Standard 110 for level 1 systems for the local generator control panel. Provide spare lamps to allow future addition of other alarm and status functions to the annunciator. Provide provisions for labeling of the annunciator in a fashion consistent with the specified functions. Provide alarm silence and lamp test switch(es). LED lamps shall be replaceable, and indicating lamp color shall be capable of changes needed for specific application requirements. Alarm horn shall be switchable for annunciation points. Alarm horn (when switched on) shall sound for first fault, and subsequent faults, regardless of whether first fault has been cleared, in compliance with NFPA110.

The interconnecting wiring between the annunciator and other system components shall be monitored and failure of the interconnection between components shall be displayed on the annunciator panel.

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2. The annunciator includes the following alarm labels, audible annunciation features, and lamp colors:

Condition Lamp Color Audible Alarm

Genset Supplying Load Amber No

Not in Auto Red Yes

High Battery Voltage Red Yes

Low Battery Voltage Red Yes

Charger AC Failure Red Yes

Fail to Start/Overcrank Red Yes

Low Engine Temperature Amber Yes

Pre-High Engine

Temperature

Amber Yes

High Engine Temperature Red Yes

Pre-Low Oil Pressure Amber Yes

Low Oil Pressure Red Yes

Overspeed Red Yes

Low Coolant Level Amber Yes

Low Fuel Level Amber Yes

Genset shutdown Red Yes

(4) Spares Configurabl e

Configurable

3. Low battery voltage lamp shall also be lighted for low cranking voltage or weak battery alarm.

4. Provide flush mounted enclosure.

J. Provide the generator set with a mounted main line circuit breaker, sized to carry the rated output current of the generator set. The circuit breaker incorporates an electronic trip unit that operates to protect the alternator under overcurrent conditions, or a thermal-magnetic trip with other overcurrent protection devices that positively protect the alternator under overcurrent conditions. The supplier submits time overcurrent characteristic curves and thermal damage curve for the alternator, demonstrating the effectiveness of the protection provided. Provide auxiliary contact to report to remote annunciator panel in the event of an open breaker condition.

2.6 TRANSFER SWITCH

A. Provide transfer switch, 3 pole, rated 600 volt, and UL 1008 listed. The transfer switch is suitable for use on types of loads without derating, either open or enclosed.

Accessories and equipment are front accessible for ease of maintenance or removal.

See drawings for amperage ratings.

B. Switch is inherently double throw and mechanically interlocked to ensure only one of two power positions, normal or emergency.

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C. Contact structure to consist of main current carrying contact, silver alloy with minimum 50 percent silver content. Current carrying contacts protected by silver tungsten arching contacts on sizes above 400 amps.

D. Accessories: Equip each switch with the following accessories and controls:

1. Time delay engine start (1/2 to 30 seconds)

2. Time delay, normal to emergency (1 to 60 seconds)

3. Adjustable time delay in the neutral position. Load not connected to utility or generator.

4. Time delay, emergency to normal (0.2 to 30 minutes) with 5 minutes unloaded.

Running for engine cool down cycle

5. Test switch to simulate normal power failure

6. Engine starting contact.

7. Two pilot lights to indicate transfer switch position.

8. Two sets of normally open and normally closed contacts

9. Provide manual handle for maintenance purposes with the switch de-energized, defeating automatic operating during maintenance, inspection or manual operation.

10. NEMA 1 enclosure.

E. Provide transfer switch rated for available fault with upstream overcurrent protection.

Provide fused disconnect on utility side of transfer switch as part of Contract to meet manufacturer requirement that transfer switch is protected for available fault current.

F. Configure switch to automatically exercise generator as directed by Contracting Agent.

G. Provide required control wiring and heater wiring between generator and transfer switch location.

2.7 WEATHERPROOF ENCLOSURE

A. Outdoor Weather-Protective Housing: Factory assembled to generator set base and radiator cowling. Provide ample airflow for generator set operation. Provide hinged side-access doors and rear control door. Provide lockable doors. Standard color sheet metal.

B. Doors give full access to engine, generator control and termination area. Doors have padlock provisions, with integral braces for locking full open during servicing.

C. Provide louvered (rainproof) operation with doors locked closed and engine fully operational at maximum ambient temperature.

D. Steel is 14 gauge minimum for panels.

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E. Anchor provisions to secure enclosure to concrete pad are integral to enclosure structure. Space for water drainage under enclosure wall/door panel areas is designed into enclosures.

F. Sheet metal primed for corrosion protection and finish painted with the manufacturers standard color using a two step electrocoating paint process, or equal meeting the performance requirements specified below. Prime and paint surfaces of metal parts.

The painting process shall result in a coating that meets the following requirements:

1. Impact resistance, per ASTM D2794, 120-inch-pounds.

2. Salt Spray, per ASTM B117, 1000+ hours.

3. Humidity, per ASTM D2247, 1000+ hours.

4. Water Soak, per ASTM D2247, 1000+ hours.

G. Provide the generator set with a sound-attenuated housing which allows the generator set to operate at full rated load in an ambient temperature of up to 100 degrees F. The enclosure shall reduce the sound level of the generator set while operating at full rated load to a maximum of 66dBA at any location 7 meters from the generator set in a free field environment. Insulate the enclosure with non-hydroscopic materials.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Engine-generator unit, coordinate with generator concrete slab pour (or mounting foundation), mounting requirements to eliminate vibration movement, per manufacturer's specifications.

B. Provide wiring within transfer switches in accordance to NFPA-76A and OESC requirements.

C. Install and connect the automatic transfer switches components of essential electrical system so that within 10 seconds of a power supply drop in the Utility Company's normal service, the generator starts and automatically transfer loads to the generator source.

D. Installation is in accordance with local, state and federal codes. Verify code requirements as associated with engine generator, transfer switch, fuel storage and transfer prior to installation.

E. Concrete Pad: Provide concrete pad of 2500 to 3000 psi concrete reinforced with 8 gauge wire fabric or No. 6 reinforcing bars on 12 inch centers. Provide 10-inch thick base of gravel below pad for support. Extend pad 6 inches on all sides from the exterior unit dimensions. Provide pad 8-inch thick with 3/4 inch by 10 foot ground rods at each corner. Thermally bond No. 2 bare copper to rods, reinforcement, and generator ground point.

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3.2 TESTING

A. Before the equipment is installed, submit to Architect a factory certified test log of the generator set, showing a minimum one hour test with the generator run continuously at full load at 0.8 power factor. Provide normal preliminary engine and generator tests before unit assembly.

B. Following installation, perform the following tests by the system manufacturer's local dealer representative(s) in the presence of the authority having jurisdiction, as well as owner's engineer or designated appointee:

1. Pre-Start Checks.

2. Oil level.

3. Water level.

4. Day tank fuel level.

5. Battery connection and charge condition.

6. Air start supply pressure (if so equipped).

7. Engine to control interconnects.

8. Engine generator intake/exhaust obstructions.

9. Engine room ventilation obstructions.

10. Removal of packing materials.

11. Transfer switch settings in compliance with NFPA 110 and owner direction.

C. Operation:

1. Provide functional load testing using the existing building load with run times in accordance with the recommendation of the generator set manufacturer, incorporating transfer switches into the system test. Comply with installation acceptance requirements for Level 1 2 Emergency Power Supply System (EPSS) under Chapter 7 of NFPA 110.

2. Before the equipment is installed, submit to Contracting Agent a factory certified test log of the generator set, showing a minimum of 4 hour testing with at least 1 hour at 50 percent, 75 percent and 2 hours at 100 percent rated load, continuously.

Provide normal preliminary engine and generator tests before unit assembly.

3. Incorporate the transfer switches into final system test.

4. As part of this Contract, provide corrective measures as necessary to comply with specified performance requirements, NEC and local codes.

D. Prior to acceptance of the installation subject the equipment to full load test, using a load bank, for a period of 2 hours, then immediately subject it to building load, for a period of 3 hours. Correct defects which become evident during this test. The engine generator set manufacturer's representative conducts these tests. Supply fuel for test.

E. Include the complete emergency system, consisting of generator, emergency distribution equipment and automatic transfer switches in final test operations. Top off fuel tank at end of test.

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3.3 PARTS AND SERVICE

A. The engine generator set supplier is an authorized dealer of the engine generator set manufacturer and is fully qualified and authorized to provide service and parts for both engine generator and such auxiliary equipment as may be required, published operating instructions or periodic maintenance.

B. Provide manufacturer's warranty of 2 years term, based on date of occupancy of the facility.

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