26 2416-Panelboards REV 2.pdf

ARGONNE NATIONAL LABORATORY PREPURCHASE SPECIFICATION

DOCUMENT NO. J420-104-W-T001

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SECTION 26 12 00 - PANELBOARDS

PART 1 - GENERAL

1.1 SCOPE OF WORK

A. Scope: The work specified in this section includes, but shall not be limited to, providing labor, material, equipment, and services necessary for panelboards as shown on the drawings and as herein specified.

1. Four Power Distribution Panelboards, PDP-SSA-36-C1, PDP-SSA-36-C2, PDP-SSA-36-

C3, and PDP-SSA-36-C4.

B. Section Includes: The work specified in this section includes, but shall not be limited to, providing the following:

1. Power distribution panelboards

2. Metering in Power Distribution Panelboards

C. Startup Services and field testing are not to be included in this prepurchase.

1.2 DEFINITIONS

A. DP, PP, or PDP: Power Distribution Panel

1.3 CODES AND STANDARDS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

B. The edition/revision of the referenced publications shall be the latest date as of the date of the Contract Documents, unless otherwise specified.

C. Federal Specifications (FS):

1. FS W-C-375B “Circuit Breakers, Molded Case, Branch Circuit and Service”

2. FS W-F-870 “Fuseholders and Fuse clips (for Plug and Enclosed Cartridge Fuses)”

3. FS W-P-115C “Panel, Power Distribution,” Type 1, Class 1

4. FS W-S-865 “Switch Box (Enclosed), Surface Mounted”

D. National Electrical Manufacturers Association (NEMA):

1. NEMA 250 “Enclosures for Electrical Equipment (1000 Volts Maximum)”

(copyrighted by NEMA, ANSI approved)

2. NEMA AB 1 “Molded Case Circuit Breakers and Molded Case Switches”

3. NEMA KS 1 “Enclosed and Miscellaneous Distribution Equipment Switches (600

Volts Maximum)” (copyrighted by NEMA, ANSI approved)

4. NEMA PB 1 “Panelboards” (copyrighted by NEMA, ANSI approved)

5. NEMA PB 1.1 “General Instructions for Proper Installation, Operation and Maintenance of Panelboards Rated 600 Volts or Less”

E. National Fire Protection Association (NFPA):

1. NFPA 70 “National Electrical Code” (copyrighted by NFPA, ANSI approved) -hereinafter referred to as NEC

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F. Underwriters Laboratories, Inc. (UL):

1. UL 50 “UL Standard for Safety – Cabinets and Boxes”

(copyrighted by UL, ANSI approved)

2. UL 67 “UL Standard for Safety – Panelboards” (copyrighted by UL, ANSI approved)

3. UL 486A “UL Standard for Safety - Wire Connectors and Soldering Lugs for Use with

Copper Conductors”

4. UL 869 “UL Standard for Safety - Service Equipment” (copyrighted by UL, ANSI approved)

1.4 QUALITY ASSURANCE

A. Source Limitations: Obtain panelboards, overcurrent protective devices, components, and accessories from single source from single manufacturer.

B. Manufacturer’s Qualifications: Firms shall be engaged which are in manufacture of panelboards of types and sizes required, and whose products have been in satisfactory use in similar service for not less than five years.

C. Contractor’s Qualifications: Firms shall have at least five years of successful installation experience with projects utilizing panelboards similar to that required for this Project.

D. Compliance: Comply with applicable requirements of FS, NEMA and UL standards referenced in Article 1.2 - References, and with NEC.

E. Testing Agency Qualifications: Member Company of NETA or an NRTL.

1. Testing Agency's Field Supervisor: Currently certified by NETA to supervise on-site testing.

1.5 SUBMITTALS

A. General: Submit the following in accordance with Conditions of the Contract and Division 1 - General Requirements.

B. Product Data: Submit manufacturer’s product data showing material proposed. Product data shall include manufacturer’s technical data and cut sheets on features, performance, electrical characteristics, ratings and finishes.

C. Shop Drawings: Submit complete shop drawings for each panelboard and related equipment as required to determine acceptability. Shop drawings shall include, but shall not be limited to, the following:

1. Include dimensioned plans, elevations, sections, and details. Show tabulations of installed devices, equipment features, and ratings.

2. Detail enclosure types and details for types other than NEMA 250, Type 1. Include finish and mounting types.

3. Detail bus configuration, voltage, ampere, AIC, and integrated interrupting ratings.

Include Main, neutral, equipment ground, isolated ground bus drawings and lug configuration.

4. Short-circuit current rating of panelboards and overcurrent protective devices.

5. Detail features, characteristics, ratings, and factory settings of individual overcurrent protective devices and auxiliary components.

6. UL and NEMA labeling for applications required

7. Nameplate details

8. Lock hardware

9. Number and size of spare switches or breakers

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10. Cut sheets on breakers with model numbers highlighted

11. Technical data and cut sheets on TVSS devices

D. Qualification Data: Submit company name that is a qualified testing agency.

E. Operating and Maintenance Manuals: Prepare and deliver complete operating and maintenance manuals. Provide information pertinent to the equipment for preventive maintenance and for replacement of expendable components. Include the items listed below and other features as may be recommended by the equipment manufacturer:

1. Manufacturer's written instructions for testing and adjusting overcurrent protective devices

2. Time-current curves, including selectable ranges for each type of overcurrent protective device that allows adjustments

3. Catalog information of the unit installed

4. Capacity and installation details

5. Wiring diagrams of electrical components

6. Complete list of parts with reordering numbers

7. Recommended spare parts list

F. Panel Board Schedules: For installation in panelboard. Submit final versions after load balancing in field.

G. Submit signed receipt showing keys have been turned over to Owner.

H. Field Test Reports: Submit written test reports and include the following:

1. Test procedures used

2. Test results that comply with requirements

3. Results of failed tests and corrective action taken to achieve test results that comply with requirements

1.6 DELIVERY, STORAGE AND HANDLING

A. Deliver, store, and handle panelboards to avoid damage to materials, components, and finish.

B. Remove loose packing and flammable materials from inside panelboards; install temporary electric heating (250 W per panelboard) to prevent condensation.

C. Handle and prepare panelboards for installation according to NEMA PB 1.

D. Environmental Limitations:

1. Do not deliver or install panelboards until spaces are enclosed and weather tight, wet work in spaces is complete and dry, work above panelboards is complete, and temporary HVAC system is operating and maintaining ambient temperature and humidity conditions at occupancy levels during the remainder of the construction period.

2. Rate equipment for continuous operation under the following conditions unless otherwise indicated:

a. Ambient Temperature: Not exceeding 23°F (-5°C) to 104°F (40°C).

b. Altitude: Not exceeding 6600 feet (2000 m).

1.7 SPARE PARTS

A. Keys and Locks: Provide six spares of each type of panelboard lock and key.

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B. Fuses for Fused Switches: Equal to 10 percent of quantity installed for each size and type, but no fewer than three of each size and type.

C. Circuit Breakers: Furnish 10% spare circuit breakers of each type and rating installed. If drawings indicate more spares, provide the quantity as shown on the drawings.

1.8 WARRANTY

A. Panelboards shall be warranted for a minimum period of five years from date of Substantial Completion, or longer if the manufacturer’s warranty allows.

1.9 MAINTENANCE

Not Applicable

PART 2 - PRODUCTS

2.1 BUY AMERICAN REQUIREMENTS

A. Products shall conform to the Buy American Act. Additional information on the Buy American requirements can be found in FAR Subpart 25.2 at the Federal Acquisition Regulation website and Appendix A of the Contract Agreement.

2.2 MANUFACTURERS

A. Manufacturer: Manufacturers shall provide panelboards compliant fully with the requirements of these specifications.

2.3 GENERAL REQUIREMENTS FOR PANELBOARDS

A. Provide panelboards, enclosures, and ancillary components of types, sizes, and ratings as indicated in the panelboard schedules and where shown on the drawings.

B. Panel Rating: Panelboards shall be rated for the amperage, voltage, phase, equipment ground, and isolated ground requirements, shown on the drawings.

C. Enclosures: mounted cabinets as shown on the contract electrical drawings.

1. Provide rated for environmental conditions at installed location.

a. Indoor Dry and Clean Locations: NEMA 250, Type 1

b. Outdoor Locations: NEMA 250, Type 4X

c. Other Wet or Damp Indoor Locations: NEMA 250, Type 4

d. Indoor Locations Subject to Dust, Falling Dirt, and Dripping Noncorrosive Liquids:

NEMA 250, Type 12

2. Construction: Panelboards shall comply with NEMA 1 requirements unless noted otherwise on drawings. Panelboards shall be enclosed in steel cabinets with the rigidity and gauge of steel complying with UL 50. Wiring gutter space shall comply with UL 67 and NEC and not be less than 5½” top, bottom and sides. Minimum width shall be 20”.

3. Front: Secured to box with concealed trim clamps.

a. Surface-mounted fronts, match box dimensions; for flush-mounted fronts, overlap the box by ¾” on all sides

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b. Doors: Each panelboard front shall have a door and a flush cylinder tumbler-type lock. Doors over 48” shall be equipped with a three-point latch. Fronts shall be code gage steel

4. Hinged Front Cover: Entire front trim hinged to box and with standard door within hinged trim cover (piano hinge style).

5. Skirt for Surface-Mounted Panelboards: Same gage and finish as panelboard front with flanges for attachment to panelboard, wall, and ceiling or floor.

6. Gutter Extension and Barrier: Same gage and finish as panelboard enclosure; integral with enclosure body. Arrange to isolate individual panel sections.

7. Finishes:

a. Panels and Trim: Galvanized steel, factory finished immediately, after cleaning and pretreating, with manufacturer's standard two-coat, baked-on finish consisting of rust inhibiting primer and gray electrodeposited baked enamel.

b. Back Boxes: Galvanized steel.

8. Directory Card: Inside panelboard door, mounted in transparent card holder.

9. Panelboard Identification: Each panelboard shall have a laminated bakelite nameplate attached to the outside of the panelboard per Division 26 Section 26 0553; “Identification for Electrical Systems.” The nameplate shall include panelboard designation, location, voltage, and phase.

10. Keys: Panelboard locks shall be keyed alike.

D. Interior: Interiors shall be factory-assembled. Interiors shall be designed such that switching and overcurrent protective devices can be removed without disturbing adjacent units or bus bars. Branch breakers shall be arranged using double row construction. Provision for future circuit breakers shall be located at the bottom of the panelboard.

E. Mains: All panelboards shall be provided with main circuit breakers, or main lugs only (MLO) as shown on the electrical drawings. Mains shall be field convertible for top or bottom feed.

F. Lugs: Lugs shall be copper compatible with the type and size conductors serving the panelboard and breaker.

1. Conductor Connectors: Suitable for use with conductor material and sizes.

a. Material: Hard-drawn copper, 98 percent conductivity

b. Main and Neutral Lugs: Mechanical type

c. Ground Lugs and Bus-Configured Terminators: Mechanical type

d. Feed-Through Lugs: Mechanical type, suitable for use with conductor material.

Locate at opposite end of bus from incoming lugs or main device

e. Subfeed (Double) Lugs: Mechanical type suitable for use with conductor material.

Locate at same end of bus as incoming lugs or main device

f. Gutter-Tap Lugs: Mechanical type suitable for use with conductor material.

Locate at same end of bus as incoming lugs or main device

g. Extra-Capacity Neutral Lugs: Rated 200 percent of phase lugs mounted on extra-capacity neutral bus, where specifically indicated on the drawings.

G. Phase, Neutral, and Ground Buses:

1. General: Panelboard bus structure and main circuit breaker shall have the current ratings as shown on the drawings. Such rating shall be established by heat rise test with a maximum hot spot temperature on any conductor or bus bar not to exceed 65 degrees C rise above ambient. Test shall comply with UL 67.

2. Bus Capacity: Copper bus bars shall be of sufficient size to provide a current density which does not exceed 1,000 amperes per square inch of bus cross-section, and which does not exceed 200 amperes per square inch at bolted circuit breaker connections.

3. Main Bus: Panelboards shall be provided with a tin plated copper main bus. Bus shall be full length to accommodate the maximum number of overcurrent protective devices for which the panelboard is designed.

4. Neutral Bus: A full-sized (100% rated) neutral bar shall be included for panels shown with a neutral. Where required on drawings, panelboards shall be provided with a 100%

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or 200% rated tin-plated copper main neutral bus. The neutral bus (100 or 200%) shall be insulated from the cabinet and other parts shall be provided with solderless cable connectors for each circuit breaker. The neutral bus (or bar) must be constructed of copper with 98% conductivity.

5. Equipment Ground Bus: Panelboards shall be provided with a solid copper rectangular cross-section equipment ground bus. Equipment ground bus shall be independent of the neutral bus. The ground bus (or bar) must be constructed of copper with 98% conductivity.

6. Isolated Ground Bus: Where called for on the drawings, panelboards shall be provided with a solid copper rectangular cross-section isolated ground bus. Isolated ground bus shall be independent of the neutral and equipment ground bus, and shall be electrically isolated from the cabinet.

H. Short Circuit Ratings: Panelboard short circuit rating for power distribution panelboards shall not be less than 35,000A at 480VAC. The short circuit rating of the assembled panelboard shall be determined by utilizing the lowest interrupting rating assigned to any circuit breaker installed in that panelboard. Series-rated panelboards are not acceptable.

I. Circuit Breakers: Circuit breakers shall comply with NEMA AB 1 and FS W-C-375. Circuit breakers shall have over-center toggle, mechanism with quick-make, quick-break action. Circuit breakers shall have a handle position indicator and a common trip for two-pole and three-pole breakers. Circuit breakers shall be bolt-on type (plug in is not acceptable) and equipped with individually insulated, braced, and protected connectors. Circuit breakers shall be flush with each other when assembled in the panelboard. Trip ratings shall be as indicated on panelboard schedules or the drawings. Breakers shall be listed for appropriate applications: SWD for fluorescent lighting, HID for high intensity discharge lighting, and HCAR for heating air conditioning and refrigeration equipment. Each circuit breakers must be equipped with factory installed lock-out hasps for OSHA lock-out-tag-out.

J. Spare Circuit Breakers: Where a compartment is shown as spare it shall be provided with a circuit breaker of the size, trip and interrupting capacity, and type shown on the drawings.

K. Space: Where space is shown on the drawings, it shall be provided with mounting brackets, bus connections, filler plates, and necessary appurtenances required for future installation of devices.

L. Auxiliary Protection Functions: Where indicated on the drawings, provide breakers with auxiliary protective functions or devices such as ground fault equipment protection (GFEP), ground fault interruption (GFIC), or arc fault interruption (AFIC), shunt trip, lockouts, or aux switches.

M. Service Equipment Label: NRTL labeled for use as service equipment for panelboards or load centers with one or more main service disconnecting and overcurrent protective devices.

N. Seismic Rating: Panelboards shall be rated for the seismic zone of the location for of the project.

O. Verification of Voltage Devices: Each panelboard shall be factory provided with a Panduit Verisafe® model AVT 2.0 (battery version) and shall be factory wired to the panelboard bussing. Manufacturer to provide protection as required for wiring. The device LED indicator shall be integrated semi-flush into the panel front cover and shall be visible without resorting to removing any box covers. Provide an engraved phenolic label “VOLTAGE VERIFICATION DEVICE” beneath the indicator.

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2.4 POWER DISTRIBUTION PANELBOARDS.

A. Product: Provide panelboards compliant with all requirements of these specifications.

B. All power distribution panelboards must include factory lockout and tagout provisions on each circuit breaker or fusible switch furnished with the panelboard. Field applied lockout handle covers, hasps, or similar devices shall not be used.

C. Short Circuit Ratings: Panelboard short circuit rating shall be as indicated on schedules or the drawings, but not less than 65kAIC amps fully rated. The short circuit rating of the assembled panelboard shall be determined by utilizing the lowest interrupting rating assigned to any circuit breaker installed in that panelboard. Series-rated panelboards are not acceptable.

D. Circuit Breakers: Trip ratings shall be as indicated on panelboard schedules or the drawings.

The interrupting rating for circuit breakers shall be equal to the full rating of the panelboard as indicated on the drawings and not less than 65k AIC amperes symmetrical. Circuit breakers shall be thermal-magnetic with inverse time current characteristics and UL listed for the application shown on the drawings. Each circuit breaker shall be factory equipped with padlockable hasps to lock the breaker in the off position to comply with OSHA lock-out-tag-out rules. Circuit breakers frames above 400 amps and above shall be equipped with microprocessor based adjustable LSIG trips, shunt trip, and interchangeable rating plugs.

Circuit breakers frames 400 amp and above shall be 100% rated.

1. Shunt trips: Where indicated on the drawing, provide shunt trip circuit breakers with the coil ratings as indicated on the drawings. Provide labeled terminal strips in the panelboard enclosure to land the field wiring connections.

E. All new power distribution panelboards shall be equipped with integral power metering arranged to measure the incoming line side to the equipment.

F. Multifunction Digital Power Metering Monitor. Provide a main power meter transducer inside the switchboard and remote mounted display in the breaker remote control cabinet. The compete-meter transducer assembly shall be microprocessor-based RMS unit with on board memory suitable for 3-phse, 4-wire systems and with the following features:

1. Switch selectable digital display of the following values with maximum accuracy tolerances as indicated:

a. Phase Currents, Each Phase: ±1%

b. Phase-to-Phase & Phase-to-Neutral Voltages: ±1%

c. MegaWatts: ±1%

d. MegaVars: ±2%

e. Power Factor: ±2%

f. Frequency: ±0.5%

g. Megawatt and MVA Demand: ±1%

1) Demand interval programmable from 5 to 60 minutes.

2. Accumulated Energy, Kilowatt Hours: ±1%. Accumulated values unaffected by power outages up to 72 hours.

3. Min and Max values for amps, volts, and power.

4. Programmable Analog Output: 4-20ma.

5. Programmable Output Contacts: 2 form C.

6. Unit power: Unit shall be self-powered from the incoming 480V feed on the line side of the main breaker. Provide 480V to 120V single phase control power transformer to feed the meter display unit.

7. Include four (4) 600:5A current transformers on the incoming line bus, one CT for each phase and one for the neutral.

8. Mounting: Control unit and display to be mounted inside the panelboard. Display to be mounted flush with cover and viewable from the panelboard front without requiring

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removing any covers. The display unit may be mounted such that it is viewable when the panelboard door is open.

9. Communication: Meter shall be factory equipped with a Modbus TCP/IP card for connection to the Argonne National Lab Network.

10. Communication: Meter shall be factory equipped with at least (2) alarm output contacts.

The alarm contacts shall be capable of being wired to the Johnson Control Metasys input modules in future.

11. Factory testing: The complete meter and metering instrument transformer assembly shall be factory tested to ensure the instrument transformers have been installed and wired with the correct polarities observed. All wires and termination points shall be numbered with printed labels and marked on a final schematic shop drawing of the assembly.

G. Approved manufacturer and models

1. Square D PM8244 with Logging and Harmonic measurement to 64th harmonic

2. EATON PXM 3000 with Logging and Harmonic measurement to 64th harmonic

(Considered a substitution and requires review by ANL).

3. Shark 250 (Considered a substitution and requires review by ANL).

4. ABB RGM 7000 (Considered a substitution and requires review by ANL).

5. Siemens 9410 (Considered a substitution and requires review by ANL).

END OF SECTION 26 24 16

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