263623A-ATS-ServiceRatedLarge-20200505.pdf

USDA Forest Service Project Specifications

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ATS Service Rated 26 36 23A

SECTION 26 36 23A

AUTOMATIC TRANSFER SWITCHES – SERVICE RELATED (OVER 300A)

1. PART 1 - GENERAL

1.01 SCOPE

A. Furnish and install a custom enclosure with a service entrance rated breaker and integrated automatic transfer switch. The low voltage automatic transfer switch to having the ratings, features/accessories and enclosures as specified herein and as shown on the contract drawings. It is the intent of this section to specify an automatic transfer switch designed for compatibility with a future single phase diesel generator which it will be used with at the Lodge facility. This automatic transfer switch shall be equipped with an integral circuit breaker to provide a Service Entrance rated device.

B. This specification applies to the transfer switch ATS-1 at the main lodge only.

1.02 REFERENCES

A. The automatic transfer switches shall be designed, manufactured, and tested in accordance with the latest applicable standards of UL and NEMA as follows:

1. UL 1008: Standard for Safety - Transfer Switch Equipment

2. CSA C22.2 No. 178: Automatic Transfer Switches

3. UL 991: Standard for Tests for Safety-Related Controls Employing Solid-State Devices

4. NFPA 70: National Electrical Code

5. NFPA 110: Emergency and Standby Power Systems

6. NEMA ICS 10: Electromechanical AC Transfer Switch Equipment

7. IEEE 446: Recommended Practice for Emergency and Standby Power Systems

1.03 SUBMITTALS – FOR REVIEW/APPROVAL

A. Submit all data per 01 33 00 and 26 00 00 B. The following information shall be submitted to the Contracting Officer’s Representative (COR) in electronic PDF and DWG for any shop drawings.:

1. Materials list of all components, make model, quantity, ratings.

2. Manufacturers brochures cut sheets and literature describing all components of ATS and all accessories and controllers provided.

3. Provide a combined submittal with shop drawings for both main switchboard SWB-1 and

ATS-1 transfer switch showing all interconnections, and enclosure sizes. Include remote HMI annunciator and connection diagrams.

4. Dimensioned drawings showing: Front view, plan view and side view of the assembly with overall dimensions and door swing dimensions

5. Show all cable entrance locations, for this contract and to accommodate future connection conduits to a portable generator.

6. Schematic diagram, physical wiring diagrams showing all internal and external wiring connections.

7. Assembly ratings including:

a. Voltage rating (Minimum 240 VAC)

b. Continuous current rating (Minimum 1600 Amps)

c. Withstand and closing ratings

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8. Cable terminal sizes

9. Product data sheets on all internal components.

10. Busway connection points

11. Connection details between close-coupled assemblies (i.e. Breaker to Transfer Switch)

1.04 SUBMITTALS – FOR CONSTRUCTION

A. The following information shall be submitted for record purposes:

1. Final as-built drawings and information for items listed in section 1.04

2. Schematic and Wiring diagrams

3. Certified production test reports

4. Installation information

5. Seismic certification as specified

6. O&M manuals in as-built form.

1.05 QUALIFICATIONS

A. The manufacturer of the assembly shall be the manufacturer of the major components within the assembly.

B. For the equipment specified herein, the manufacturer shall be ISO 9001 or 9002 certified.

C. The manufacturer of this equipment shall have produced similar electrical equipment for a minimum period of five (5) years. Provide an acceptable list of installations with similar equipment shall be provided demonstrating compliance with this requirement.

D. Vendor shall maintain a service organization within 300 miles of project site.

1.06 REGULATORY REQUIREMENTS

A. Provide a UL1008 certificate of compliance for the transfer switches furnished under this section.

1.07 DELIVERY, STORAGE AND HANDLING

A. Equipment shall be handled and stored in accordance with manufacturer’s instructions. One (1) copy of these instructions shall be included with the equipment at time of shipment.

B. Equipment being stored prior to installation shall be maintained in a clean and dry condition. If stored outdoors, indoor equipment shall be covered and heated, and outdoor equipment shall be heated.

1.08 OPERATION AND MAINTENANCE MANUALS

A. Provide all O&M manuals in Electronic format PDF and DWG for shop drawings and 2 copies in hard copy format.

B. Equipment operation and maintenance manuals shall be provided with each assembly shipped and shall include instruction leaflets and instruction bulletins for the complete assembly and each major component. At a minimum, the manuals shall include technical data sheets, wiring diagrams, and information for ordering replacement parts.

C. Schematic signal and control diagrams, with all terminals identified, matching terminal identification in the automatic transfer switches.

D. Include information for testing, repair, troubleshooting, assembly, disassembly, and factory recommended/required periodic maintenance procedures and frequency.

E. Provide a replacement and spare parts list. Include a list of tools and instruments for testing and maintenance purposes.

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F. See Section 3 for additional details for O&M manuals.

2. PART 2 - PRODUCTS

2.01 MANUFACTURERS

A. Eaton (Basis of Design) B. Allen-Bradley C. Schneider D. General Electric E. Siemens

F. ASCO

G. The listing of specific manufacturers above does not imply acceptance of their products that do not meet the specified ratings, features, and functions. Manufacturers listed above are not relieved from meeting these specifications in their entirety.

2.02 CONSTRUCTION

A. Transfer switches shall be UL 1008 listed for application in their intended enclosures at 100% of continuous ampere rating and shall meet or exceed UL 1008 endurance test criteria to include rate of operation and number of operation cycles.

1. The transfer switch shall be designed and intended for switching the load connection between two power sources.

2. The transfer switch shall include electrical and mechanical interlocks to prevent unintentional paralleling of the power sources.

3. The transfer switch shall be of double throw construction and the dual electrical operators shall be equipped with a reliable two-step stored energy mechanism to charge the closing springs. The closing springs shall be capable of being charged electrically or manually.

The closing of the main contacts shall automatically charge the opening springs to ensure quick-break operation. After closing the main contacts, the closing springs shall be capable of being re-charged.

4. The transfer switch shall include a mechanical coupling to facilitate completion of an open in-phase transition such that any inrush current is equal to or less than normal starting current for inductive loads.

5. The transfer switch main contacts shall be of silver composition, electrically operated and mechanically held in position. Inspection of the main contacts shall be possible from the front of the transfer switch without major disassembly.

6. The transfer switch shall include removable arc chutes, housed within an arc chamber constructed of high-dielectric high-strength material, that are mounted over each set of main contacts. Arc chutes shall be constructed of metal plates and a baffle cover designed to extinguish an electrical arc and protect the main contacts.

7. The transfer switch shall include pushbutton controls, mounted on the power switch device, to perform manual operation with an electrical load connected.

8. The transfer switch shall provide colored mechanical indication of main contact position (open, closed), mounted on the power switch device, for source 1 and source 2.

9. The transfer switch shall provide colored mechanical indication of closing spring charge state (charged, discharged), mounted on the power switch device, for source 1 and source 2.

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B. Transfer switches shall be open transition and provide a time delay in the “neutral position” adjustable from 0 to 120 seconds that will permit a delayed transition and provide an in-phase monitor that will permit an in-phase transition between two live sources that have a phase angle difference of +/- 8 degrees or less. In the event that the sources do not synchronize to complete an in-phase transition within a time delay period adjustable from 1 to 60 minutes, the transfer switch shall be capable of defaulting to a delayed transition adjustable from 0 to 120 seconds.

C. The transfer switch shall include a means of deriving control power for electrical operation.

Control power transformers shall be multi-tap for ease of voltage adjustment in the field. Control power for all transfer operations shall be derived from the line side of the source to which the load is being transferred.

D. Transfer switches requiring a solid neutral shall include a fully rated, solid neutral plate.

E. Power conductor connections shall be provided as source 1 at the top, source 2 at the bottom, and load at the top (field adjustable at bottom) F. For safety and serviceability, a continuous steel barrier shall be provided between the power conductor connections and the electrical control components including the automatic controller, control power transformer, relays, user controls, and indication lights. Together, the continuous steel barrier and enclosure front door shall form an isolated control compartment.

G. Provide a key interlock switch to prevent transfer of load to the generator if generator is being connected to external terminals.

H. Service rated main breaker – Breaker shall be service rated at the voltage and amperage as shown on the contract drawings. Breaker shall be connected to the “Normal” or “Source 1” input of the ATS. Breaker shall be short circuit rated as shown on the contract drawings, but no less than 100

KAIC.

1. Protective device shall be fixed mounted insulated case low-voltage circuit breaker, Eaton type NRX or approved equal. All breakers shall be UL listed for application in their intended enclosures for 100% of their continuous ampere rating.

2. Main breaker shall be true two-step stored energy device and shall be manually operated unless otherwise indicated on contract documents.

3. Main breaker shall have a minimum symmetrical interrupting capacity of 100,000 amperes. Main breaker shall have 30-cycle short-time withstand rating equal to interrupting capacity up to 100kA.

4. Main breaker shall have a nameplate clearly marking any electrical accessories that are mounted in the breaker at the time of sale. The accessory shall have a label that will indicate its function and voltage. All accessories shall be modular, plug and lock type, and UL listed for easy field installation.

5. The breaker control interface shall have color-coded visual indicators to indicate contact open or closed positions as well as mechanism charged and discharged positions. Manual control pushbuttons on the breaker face shall be provided for opening and closing the breaker. The power circuit breaker shall have a “Positive On” feature. The breaker flag will read “Closed” if the contacts are welded and the breaker is attempted to be tripped or opened.

6. The breaker shall be equipped with a true RMS sensing, solid-state tripping system consisting of at least three current sensors microprocessor-based trip device and trip actuator. The trip unit shall use microprocessor-based technology to provide the basic adjustable time-current protection.

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7. Provide trip unit with integral arc flash reduction mode. The use of zone selective interlocking to emulate this feature does not meet the intent of these specifications and will not be allowed.

8. System coordination shall be provided by adjusting rotary switches for the following microprocessor-based time-current curve shaping adjustments:

9. Adjustable long-delay pick-up setting with minimum of 10 settings.

10. Adjustable long-delay time - 0.5 to 24 seconds

11. Adjustable short-delay pick-up setting – 1.5x to Max allowable by frame

12. Adjustable short-delay time 0.0 sec up to 0.5 sec depending on frame with selectable flat or I2t curve shaping.

13. Adjustable instantaneous setting 2x to Max allowable by frame

14. Where indicated, adjustable ground fault current pickup (0.2 – 1.0 x In in 0.10x increments) and time (0.1 – 1.0 sec in 0.10sec increments), with selectable flat or I2t curve shaping. Provide switch selectable options for GF OFF, GF alarm, or GF trip.

15. Provide 100% rated UL listed circuit breaker.

16. Trip unit shall be capable of metering phase, neutral, and ground current with an accuracy of +/- 2.0% of the reading.

17. Trip unit shall collect and store pertinent information to the trip unit and circuit breaker health and event history. The trip unit shall also include diagnostic features to allow the user to investigate events and dynamically monitor the health of the trip unit and the breaker.

a. Number of operations (load and no-load)

b. Number of trips (overload trips, short circuit trips)

c. Run time.

d. Breaker ambient temperature.

e. Breaker remaining life - Then the trip unit shall utilize an algorithm that applies a weighted value to all of these inputs to determine the remaining life of the breaker. The remaining life of the breaker shall be displayed or communicated in calculated percentage of life remaining.

f. All breaker health information shall be available via hard wire connection to a PC and via communications. All interface equipment and cabling to connect via USB or Ethernet shall be provided.

i. Trip unit shall perform a waveform capture on trip, alarm, or user-initiated events.

ii. Any breaker trip event shall capture a 10-cycle waveform. The trip unit shall store the most recent trip event waveform.

iii. Any alarm event or user-initiated waveforms shall capture a 1-cycle waveform.

iv. Waveform events shall capture and store all phase, neutral and ground currents.

I. The assembly, as a completed unit, shall be UL rated and meet UL 489 standards.

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2.03 WIRE NUMBERS

A. Provide machine made wire numbers on all internal conductors connections that match schematic and phydical wiring diagrams.

B. Identify all terminal blocks used and label.

2.04 NAMEPLATES

A. Provide engraved plastic name plates for ATS and all internal components. Nameplaste to match equipment shown on schematic and wiring diagrams.

B. Engraved nameplates, mounted on the face of the assembly, shall be furnished for all main and feeder circuits as indicated on the drawings. Nameplates shall be laminated plastic, black characters on white background. Characters shall be 3/16-inch high, minimum. Nameplates shall give item designation and circuit number as well as frame ampere size and appropriate trip rating. Furnish master nameplate giving switchboard designation, voltage ampere rating, short-circuit rating, manufacturer’s name, general order number, and item number.

C. Provide an engraved nameplate for each panel section. Provide the following information

1. Panel name

2. Amperage, voltage and phase, wire

3. AIC value & arc-flash labels with data per NEC 70E requirements.

4. Date installed

5. Contractors name

D. Provide additional engraved nameplates for each breaker. Identify secondary panelboards by name shown on contract documents.

E. Control components mounted within the assembly, such as fuse blocks, relays, pushbuttons, switches, etc., shall be suitably marked for identification corresponding to appropriate designations on manufacturer’s wiring diagrams.

2.05 ENCLOSURE

A. Automatic transfer switch shall be provided in a NEMA 3R Stainless Steel enclosure suitable for use in environments indicated in the drawings. Enclosure shall be 304 or 316 stainless steel.

B. Internal floor-mount anchors shall be provided to minimize footprint and facilitate integration into an equipment line-up.

C. Grade 5 hardware to be used on mounting and fastening of enclosure.

D. Enclosure dimensions shall not exceed 40” W X 90” H X 79” D Verify enclosure dimensions and show on shop drawings.

E. Show openings for all incoming and outgoing conduits and for future conduits to portable generator from source 2 input.

2.06 MICROPROCESSOR CONTROLLER LOGIC

A. The transfer switch microprocessor controller logic shall be an Eaton ATC-300+ automatic controller or proposed equivalent. Operation of the transfer switch and monitoring of both sources shall be managed by the controller. The controller shall be hardened against transient voltages.

B. The automatic transfer switch controllers shall meet or exceed the following standards:

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1. IEC 61000-4-2 - EMC Testing and Measurement Techniques - Electrostatic Discharge Immunity Test

2. IEC 61000-4-3 - EMC Testing and Measurement Techniques - Radio-frequency, Electromagnetic Field Immunity Test

3. IEC 61000-4-4 - EMC Testing and Measurement Techniques - Electrical Fast Transient/Burst Immunity Test

4. IEC 61000-4-5 - EMC Testing and Measurement Techniques - Surge Immunity Test

5. IEC 61000-4-6 - EMC Testing and Measurement Techniques - Immunity to Conducted

Disturbances, Induced by Radio-frequency Fields

6. IEC 61000-4-11 - EMC Testing and Measurement Techniques - Voltage Dips, Short

Interrupts and Voltage Variations Immunity Tests

7. CISPR11, Class A - Industrial, Scientific and Medical Radio-frequency Equipment -

Electromagnetic Disturbance Characteristics - Limits and Methods of Measurement

8. FCC Part 15, Subpart B, Class A

C. The controller shall have an operating temperature range from -20 to +70 degrees C (-4 to +158 degrees F) and a storage temperature range from -30 to +85 degrees C (-22 to +185 degrees F).

The controller faceplate shall be UV resistant.

D. The controller shall be capable of accepting 120Vac supply power from two (2) different sources.

2.07 REPLACEABLE PARTS:

A. Include the main and arcing contacts individually or as units, as well as relays, and control devices.

B. Automatic transfer switch contacts and accessories shall be replaceable from the front without removing the switch from the cabinet and without removing main conductors.

2.08 CONTROLLER DISPLAY AND KEYPAD

A. The microprocessor-based controller faceplate shall be UV resistant and include a 2-line, 16-character, backlit display. The controller shall be capable of displaying transfer switch status, parameters, setpoints, and diagnostic data. All set point parameters shall be password protected.

B. The microprocessor-based controller shall include one (1) unit status LED (3mm) and a mimic power bus consisting of four (4) LED’s (3mm) for indicating the following:

1. Availability status of Source 1

2. Availability status of Source 2

3. Connection status of Load to Source 1

4. Connection status of Load to Source 2

C. The controller keypad shall include the following pushbutton controls:

1. ENGINE TEST, for use with a generator source.

2. PREVIOUS, and NEXT for ease of navigation

3. INCREMENT, DECREMENT, and ENTER for programming.

4. HELP/LAMP TEST, for operator assistance and diagnostics

5. BYPASS TIMER, to bypass time delay countdown

D. The controller shall display voltage and frequency for source 1, source 2, and the load.

E. The controller shall display the voltage dropout and pickup setpoints, for source 1 and source 2, in volts.

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F. The controller shall display the frequency dropout and pickup setpoints, for source 1 and source 2, in hertz.

2.09 CONTROLLER VOLTAGE AND FREQUENCY MONITORING

A. The controller shall monitor voltage and frequency for source 1 and source 2.

B. The controller shall have a voltage range of 0-790 Vrms with an accuracy of +/- 1%. Nominal voltage shall be adjustable in 1 volt increments from 120 to 600 Vac.

C. The controller shall have a frequency range of 40-70 Hz with an accuracy of +/- 0.3 Hz. Nominal frequency shall be 60Hz.

D. The normal and emergency sources shall include phase reversal protection. The preferred rotation is programmable as ABC or CBA.

E. Voltage and frequency dropout and pickup setpoints, for source 1 and source 2, shall be adjustable as a percentage of nominal per the table below. Pickup and dropout setpoints for overvoltage, underfrequency, over-frequency, and voltage unbalance / phase loss shall be capable of being disabled.

Setpoint Sources Dropout Pickup

Undervoltage Source1 and 2 70 – 97% (DO + 2%) - 99%

Overvoltage Source 1 and 2 105 – 110% 103% - (DO – 2%)

Underfrequency Source 1 and 2 90 – 97% (DO + 1Hz) – 99%

Overfrequency Source 1 and 2 103 – 105% 101% - (DO – 1Hz)

Voltage Unbalance Source 1 and 2 5 – 20% 3% to (DO – 2%)

2.10 CONTROLLER TIME DELAYS

A. A time delay shall be provided for transfer from source 1 to source 2, adjustable from 0 to 1800 seconds.

B. A time delay shall be provided on retransfer from source 2 to source 1, adjustable from 0 to 1800 seconds.

C. A time delay shall be provided for actuation of an engine start signal, adjustable from 0 to 120 seconds, for overriding momentary power fluctuations.

D. A time delay shall be provided allowing the load connection to remain in the “neutral position”

(disconnected from source 1 and source 2), adjustable from 0 to 120 seconds.

E. A time delay shall be provided that allows the generator to run unloaded, adjustable from 0 to 0-

1800 seconds, for cool-off prior to shut down.

F. A time delay shall be provided to postpone the generator source from being declared unavailable, fixed at 6 seconds, for overriding momentary power fluctuations.

G. A time delay shall be provided for actuation of a pre-transfer signal, adjustable from 0 to 120 seconds. The contact shall be a form-c contact rated for 10-Amp at 250-Vac and 10-Amp at 30- Vdc.

H. A time delay shall be provided to allow synchronization of sources, adjustable from 0 to 60 minutes (0 to 600 seconds), for use with in-phase transition transfer.

I. A time delay shall be provided for voltage unbalance, adjustable from 10 to 30 seconds.

J. All time delays shall be programmable, using the controller keypad, without the use of special tools.

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2.11 CONTROLLER ADDITIONAL FEATURES

A. A setpoint shall be provided for entering a four-digit password, adjustable from 0000-9999, for controlling user access to programmable time delays, inputs, outputs, and other system settings.

B. A setpoint shall be provided for configuring retransfer operation mode, adjustable as automatic, manual.

C. A setpoint shall be provided to change date, time, and enable daylight saving time (DST).

D. A setpoint shall be provided for configuring in-phase transition operation, adjustable as disabled, enabled.

E. A setpoint shall be provided for configuring a frequency difference range between sources for in-phase transition, adjustable from 0 to 3 hertz nominal.

F. A setpoint shall be provided for configuring serial communication baud rate [9600-19200] and

Modbus address [1-247].

2.12 CONTROLLER DATA LOGGING

A. The controller shall record, store and display a cumulative counter history of the following parameters. Each counter shall have the ability to be reset and indicate the last reset date.

1. Source 1 Available time

2. Source 2 Available time

3. Source 1 Connected time

4. Source 2 Connected time

5. Engine Run time

6. Load Energized Time

7. Number of Transfers

8. Date, Time and Reason for Last Sixteen (16) transfers

2.13 CONTROLLER PLANT EXERCISER

A. The controller shall provide a programmable engine plant exerciser.

B. Each engine plant exerciser shall provide the following user programmable setpoints that are only applicable during an engine test:

1. Test schedule, adjustable to 28-day interval.

2. Start time in hours and minutes, AM or PM.

3. Day of the week (Sun, Mon, Tues, Wed, Thurs, Fri, Sat)

4. Test mode, adjustable to loaded transfer.

5. Run time, adjustable from 0 to 600 minutes (0 to 36000 seconds).

C. A failsafe shall initiate an automatic retransfer to source 1 if source 2 should fail during an engine test.

2.14 CONTROLLER INPUTS

A. The controller shall include two (2) dedicated inputs for monitoring the position of the main contacts (source 1 and source 2).

B. The controller shall include five (5) control inputs that provide 10mA @ 24-Vdc. Each input shall be capable of accepting an external dry contact and will be configured with following functionality:

C. Monitor mode – disable automatic operation of the controller while continuing to display status information and allow set point programming.

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D. Lockout – disable automatic operation of the controller and lock-out an integral overcurrent protection device (circuit breaker).

E. Manual retransfer - remotely initiate a retransfer from source 2 to source 1.

F. Go to emergency - initiate a transfer of the load to the standby source (source 2). A failsafe shall initiate an automatic retransfer to source 1 if source 2 should fail.

G. Standby inhibit/shed – remotely inhibit transfer of the load to the standby source (source 2) or shed the load from the standby source (source 2) if already connected.

2.15 CONTROLLER OUTPUTS

A. The controller shall provide four (4) dedicated Form A relay outputs for controlling the power switch device.

B. The controller shall provide one (1) dedicated Form A relay output for an engine start signal, for use with a generator source. The contact shall be rated for 5A @ 250-Vac / 5A @ 30-Vdc.

C. The controller shall provide one (1) dedicated Form C relay output for Pre-transfer and the contacts shall be rated for 10A @ 250-Vac / 10A @ 30-Vdc.

D. The controller shall provide one (1) dedicated Form C relay output for General Alarm and the contacts shall be rated for 10A @ 250-Vac / 10A @ 30-Vdc. Connect to 120V circuit from panel “T” and to the conductors coming from the ATS-1 strobe light in order to give an indication (strobe on) that the generator is running, and ATS-1 has switched to the generator source of power.

2.16 AUTOMATIC TRANSFER SWITCH ACCESSORIES

A. A maintenance isolation selector switch, 2-position, shall be provided that permits service personal to electrically isolate the control compartment during maintenance, when the transfer switch is energized, to mitigate shock hazard.

B. Non-automatic control (open transition ATS): Provide a 2-position selector switch, maintained contact, marked: “Automatic” and “Non-Automatic”. Provide a 2-position, maintained contact, selector switch labeled “Source 1” and “Source 2”. The transfer switch shall be electrically operated by manually actuating the 2-position selector switch labeled “Source 1” and “Source 2”.

A 30mm pilot light shall be provided labeled “Not in Automatic”.

C. Space heater: Provide a space heater with thermostat rated to maintain enclosure temperature above 60F at -20F. Heater shall be 250 Watts minimum.

D. HMI Remote Annunciator Controller:

1. Mount annunciator panel in main electrical area in the basement. Location to be approved by contracting officer. This annunciator is NOT shown on drawings. Provide conduit and conductors as required to connect to ATS-1

2. Provide a flush mount panel operator interface device that is capable of remotely managing the automatic transfer switch and includes the following:

a. Color touchscreen display

b. Single overview screen

c. Monitoring and indication of the following:

i. source 1 and source 2 available

ii. source 1 and source 2 connected.

iii. source 1 and source 2 preferred

iv. under/over voltage

v. under/over frequency

vi. engine test active

vii. transfer in progress

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viii. event history

ix. delay timer countdown

x. go to emergency active

xi. emergency inhibit

xii. monitor mode / lockout

xiii. communication link failure.

d. Control of the following with password protection:

i. Start/stop engine test.

ii. Initiate go to emergency / cancel go to emergency

iii. Alarm silence

iv. Remote alarm reset

v. Bypass timers

vi. Manual retransfer

E. Electrical Metering

1. Voltage and frequency for source 1, source 2, and load

2. Current and power for the load

3. Remotely manage controller setpoints.

4. Communication compatible with ATS controller.

2.17 WITHSTAND AND CLOSING RATING

A. Short-circuit

1. The transfer switch shall be UL1008 listed and rated for use in a circuit capable of delivering the short-circuit current shown on the contract drawings.

2. The transfer switch shall have a short-circuit withstand and closing rating of 100,000 Amps at 240 volts when protected by the specified circuit breaker.

B. Short time

1. The transfer switch shall be UL1008 listed and rated for use in a circuit capable of delivering the short-time current shown on the contract drawings.

2. The transfer switch shall have a short time withstand and closing rating of 100,000 Amps at 240 volts for a time duration of 0.5 seconds.

3. PART 3 - EXECUTION

3.01 FACTORY TESTING

A. The following standard factory tests shall be performed on the equipment provided under this section. All tests shall be in accordance with the latest version of UL and NEMA standards.

1. Insulation check to ensure the integrity of insulation and continuity of the entire system.

2. Visual inspection to ensure that the switch matches the specification requirements and to verify that the fit and finish meet quality standards.

3. Mechanical tests to verify that the switch's power sections are free of mechanical hindrances.

4. Electrical tests to verify the complete electrical operation of the switch and to set up time delays and voltage sensing settings of the logic.

B. The manufacturer shall provide a certified copy of factory test reports.

C. Transfer switch shall include a label indicating order number, catalog number and date.

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3.02 INSTALLATION

A. The contractor shall install all equipment per the manufacturer’s recommendations and in accordance with the contract drawings.

B. All necessary hardware to secure the assembly in place shall be provided by the contractor.

3.03 FINISH & CLEANING

A. All exterior and interior steel surfaces of the switchboard shall be properly cleaned.

B. Panels are stainless steel; no painting is required.

C. Vacuum panel interiors of all debris at completion.

3.04 FIELD QUALITY CONTROL

A. Provide the services of a qualified factory-trained manufacturer’s representative to assist the contractor in installation and start-up of the equipment specified under this section for a period of five (5) working days.

B. The manufacturer’s representative shall provide technical direction and assistance to the contractor in general assembly of the equipment, connections and adjustments, and testing of the assembly and components contained therein.

3.05 MANUFACTURER’S CERTIFICATION

A. A qualified factory-trained manufacturer’s representative shall certify in writing that the equipment has been installed, adjusted and tested in accordance with the manufacturer’s recommendations.

B. The contractor shall provide a copy of the manufacturer’s representative’s certification.

3.06 TRAINING

A. The contractor shall conduct a training session by the ATS manufacturer’s representative for up to five (5) owner’s representatives for one (1) normal workday at a jobsite location determined by the owner. The training program shall consist of the instruction on the operation of the transfer switch and the major components within the assembly.

B. Training shall use approved O&M manual. Submit O&M manuals for review 4 weeks prior to training.

3.07 FIELD SERVICE ORGANIZATION

A. The manufacturer of the ATS shall also have a national service organization that is available throughout the contiguous United States and is available on call twenty-four (24) hours a day, three hundred-sixty-five (365) days a year.

3.08 OPERATION AND MAINTENANCE MANUAL

A. Provide a detailed operation and maintenance manual for normal operational sequences including complete parts list, project specific operations instructions in a written document.

B. Provide both electronic copies in PDF and DWG for shop drawings and provide 2 hard copies of final O&M manual for this ATS.

C. Provide all approved submittal data cut sheets, drawings, instructions manuals used for equipment approval.

D. Provided a project specific operators instructions for this ATS written in both DOCX and PDF format. Detail all normal operational functions.

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E. Provide complete schematic and wiring diagrams of transfer switch and all internal control components with wire numbers on all conductors matching schematic and wiring diagrams.

F. Provide complete electronic copies in PDF and hard copies of manuals.

G. Provide as-built wiring and schematic diagrams in hard copy and DWG and PDF format for shop drawings.

H. Provide a detailed operation and maintenance manual for normal operational sequences including complete parts list, project specific operations instructions in a written document.

I. Provide as-built diagrams and all manufactures approved submittal and operation, calibration, and maintenance information for this switchboard.

J. Provide complete documentation on power monitor system and use for operator. Provide project specific instructions for this sub-system.

K. Document all settings for system programming settings on as-built drawings.

L. Document all calibration and programming procedures used.

END OF SECTION 26 36 23A

I. The assembly, as a completed unit, shall be UL rated and meet UL 489 standards.