2024.09.03_ANL_SSA_Prepurchase_SPECS.pdf.pdf

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PROJECT MANAGEMENT ORGANIZATION (PMO)

INFRASTRUCTURE SERVICES DIRECTORATE (IS)

CONSTRUCTION SPECIFICATIONS

FOR

BUILDING 420

SOLID STATE AMPLIFIERS

ARGONNE NATIONAL LABORATORY

9700 SOUTH CASS AVENUE

ARGONNE, ILLINOIS 60439

ANL DOCUMENT NUMBER J420-104-W-T001

Approved, Project Manager (PM)

E. Ott Date

Approved, Construction & Safety Manager (CSM)

C. Girard Date

Concurred, Quality Assurance Representative (QAR)

C. Baltas Date

Revision #

Date

Approved, Project Manager

8/9/2024

8/12/2024

8/12/24 eott Text Box eott Text Box eott Text Box 8/12/24 eott Pen E eott Pen o eott Text Box eott Text Box 9/3/2024 eott Pen E eott Pen o

ARGONNE NATIONAL LABORATORY PREPURCHASE SPECIFICATION

DOCUMENT NO. J420-104-W-T001

TABLE OF CONTENTS

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SECTION 00 11 00 – TABLE OF CONTENTS

DIVISION 1 REVISION BASIC REQUIREMENTS

SECTION 00 11 00 1 TABLE OF CONTENTS

SECTION 00 11 50 1 LIST OF DRAWINGS

DIVISON 26 ELECTRICAL

SECTION 26 12 00 1 MEDIUM VOLTAGE TRANSFORMERS

SECTION 26 24 13 1 SWITCHBOARDS

SECTION 26 24 16 1 PANELBOARDS

END OF SECTION 00 11 00

LIST OF DRAWINGS

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SECTION 00 11 50 – LIST OF DRAWINGS

The construction site is located at:

Argonne National Laboratory 9700 South Cass Avenue Argonne, IL 60439

The Specification comprises the following Divisions:

Division Title

1 General Requirements 26 Electrical

The Drawings are comprised of the following:

No. Title

GENERAL DRAWING TITLE

J420-104-W-G001 TITLE SHEET & DRAWING INDEX

ELECTRICAL

J420-104-W-E001 ELECTRICAL SYMBOLS, ABBREVIATIONS, AND GENERAL NOTES

J420-104-W-E100 ELECTRICAL BUILDING EXTERIOR NEW WORK

J420-104-W-E101N ELECTRICAL FIRST FLOOR S36 NORTH NEW WORK

J420-104-W-E101S ELECTRICAL FIRST FLOOR S36 SOUTH NEW WORK

J420-104-W-E401 ELECTRICAL SINGLE LINE DIAGRAM

J420-104-W-E501 ELECTRICAL PANEL SCHEDULES

J420-104-W-E601 ELECTRICAL DETAILS

END OF SECTION 00 11 50

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BUILDING 420

SECTION 26 12 00 - MEDIUM VOLTAGE TRANSFORMERS

PART 1 - GENERAL

1.1 SCOPE OF WORK

A. This section describes the specification for one (1) 2000/2666kVA outdoor NEMA-3R dry-type medium voltage 13.2kV Delta to 480Y/277V step-down transformer to be installed at Argonne National Lab Building 420.

1.2 DEFINITIONS

A. VPI: Vacuum Pressure Impregnated: Transformer coils are vacuum pressure impregnated in an oven to ensure improved penetration of the polyester resin varnish in the transformer coil to provide better moisture and contaminant protection of the coils versus a standard dry type transformer.

1.3 CODES AND STANDARDS

A. Comply with the provisions of the following standards:

1. The Association of Edison Illuminating Companies – AEIC:

a. AEIC CS8-06 – Specification for Extruded Dielectric, Shielded Power Cable Rated 5 - 46 kV.

2. Institute of Electrical and Electronics Engineers – IEEE:

a. IEEE/NESC C2 – National Electrical Safety Code.

b. IEEE C57.1, C57.2 C57.3 – American Standards for transformers, Regulators, and

Reactors

c. IEEE C57.12.01 – Standard for General Requirements for Dry-Type Distribution and Power Transformers.

d. IEEE C57.12.51 – Standard for Ventilated Dry- Type Power Transformers, 501 kVA and Larger, Three-Phase, with High- Voltage 601 V to 34 500 V; Low- Voltage 208Y/120 V to 4160 V- General Requirements.

e. IEEE C57.12.52 – IEEE Standard for Sealed Dry-Type Power Transformers, 501kVA and Higher, Three-Phase, with High-Voltage 601 to 34500 Volts, Low- Voltage 208Y/120 to 4160 Volts.

f. IEEE C57.12.91 – Standard Test Code for Dry-Type Distribution and Power Transformers

3. National Electrical Contractors Association – NECA:

a. NECA 1 – Standard For Good Workmanship in Electrical Contracting.

4. National Electrical Manufacturers Association – NEMA:

a. NEMA ST 20 – Dry Type Transformers for General Applications.

b. NEMA Standard #TR-11

5. UL Compliance: Provide components which are listed and labeled by UL under the following standards:

a. UL Std. 1062 – Standard for Unit Substations.

b. UL Std. 1562 – Standard for Transformers, Distribution, Dry-Type - Over 600 Volts.

6. National Fire Protection Association (NFPA)

a. NFPA 70 (NEC)

7. American Society of Testing Materials

a. ASTM #D2440: Oxidation Stability Test

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1.4 QUALITY ASSURANCE

A. Testing Agency Qualifications: The independent testing agency shall meet OSHA criteria for accreditation of testing laboratories, Title 29, Part 1907; or shall be a full-member company of the InterNational Electrical Testing Association.

1. Testing Agency’s Field Supervisor: Person currently certified by the InterNational

Electrical Testing Association or the National Institute for Certification in Engineering Technologies, to supervise on-site testing specified in Part 3.

B. Listing and Labeling: Provide transformers specified in this Section that are listed and labeled.

1. The Terms “Listed” and “Labeled”: As defined in NFPA 70, Article 100

2. Listing and Labeling Agency Qualifications: A “Nationally Recognized Testing Laboratory” as defined in OSHA Regulation 1910.7

1.5 SUBMITTALS

A. All submittals shall be submitted in electronic PDF format.

B. Product Data: Include data on features, components, ratings, and performance for each type of transformer specified including the following:

1. Rated Nameplate ratings at AA rating

2. Impedance at the AA rating

3. X/R Ratios

4. Magnetizing Inrush Characteristic Data

5. Dimensioned plans, sections, and elevation views. Show minimum clearances and installed devices and features. Show primary and secondary conduit stub-up locations.

Include open side views of both air terminal compartments.

C. Wiring Diagrams: Detail wiring and identify terminals for tap changing and connecting field-installed wiring. Include full power and control wiring diagrams for the cooling fans and temperature controller.

D. Product Certificates: Signed by manufacturers of transformers certifying that the products furnished comply with requirements.

E. Qualification Data: For firms and persons specified in “Quality Assurance” Article.

F. Factory Test Reports: Certified copies of manufacturer’s design and routine factory tests required by referenced standards.

G. Sound Level Test Reports: Certified copies of manufacturer’s sound level tests applicable to equipment for this Project.

H. Field Test Reports: Indicate and interpret test results for tests specified in Part 3.

I. Maintenance Data: For transformers to include in the maintenance manuals specified in Division 01.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Temporary Heating: For dry-type transformers, apply temporary heat according to manufacturer’s written instructions, within the enclosure of each ventilated-type unit, throughout

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periods during which equipment is not energized and is not in a space that is continuously under normal control of temperature and humidity.

B. Deliver products to the Project properly identified with names, model numbers, types, grades, compliance labels, and other information needed for identification.

C. The products accepted on the site shall be wrapped in factory packing and shall be inspected for damage prior to acceptance.

D. Handle equipment carefully to prevent damage, breaking, and scoring. The contractor shall not install damaged units or components; replace with new.

1.7 SPARE PARTS

Not Applicable

1.8 WARRANTY

A. The contractor shall warrant all materials, workmanship, and equipment against defects for a period of one year after the date of substance completion. Certain equipment shall be warranted at the time of final acceptance, or for longer periods of time as specified in those sections of the project manual.

B. The contractor shall repair or replace, at no additional cost to Owner, any item that may become defective within the warranty period.

C. Any manufacturer’s warranties concerning any item installed shall be to the benefit of the Owner.

D. The contractor agrees not to void or impair or to allow any sub-contractor to void or impair any warranties regarding products or items installed as part of this project.

E. The repair of faulty workmanship shall be considered to be included in the contract.

1.9 MAINTENANCE

Not Applicable

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering transformers that may be incorporated into the Work include those which comply with all requirements contained in this specification.

2.2 TRANSFORMERS, GENERAL

A. Description: Two-winding type, designed for operation with high voltage windings connected to a three-phase, three-wire, resistance grounded 60 Hz 13.2kV nominal distribution system.

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B. Unusual Service Conditions: Provide transformers designed for the space/area conditions in which the unit is to be installed.

2.3 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.

2.4 OUTDOOR DRY TYPE POWER TRANSFORMERS

A. Description: IEEE C57.12.01 standard for Dry-Type Transformers.

B. NEMA 3R Construction, non walk-in.

C. Cable terminations shall be made inside of the transformer main tank without separate air terminal compartment. Each termination point shall be equipped with Fluke IR viewing windows with clear view of each cable termination to the buswork in the transformer.

D. Construction:

1. Base Bid: Vacuum Pressure Impregnated Resin (VPI) construction.

E. Basic Impulse Level: 95 kV BIL HV, 10kV BIL LV.

F. Windings: Copper

G. Efficiency Standard: Transformers must meet or exceed DOE 2016 energy efficiency standards for transformers. Per US DOE test procedure 10 CFR Part 431, Sub-part K, Appendix A at 50% of nameplate rated load.

H. Full-Capacity Voltage Taps: Four nominal 2.5% taps, 2 above and 2 below rated primary voltage. Tap changing shall be on the primary winding.

I. Magnetizing Inrush Characteristics: Comply with IEEE 242 standard to not exceed 12 times transformer full load primary current.

J. Accessories: Grounding pads, lifting lugs, and provisions for jacking under base. Transformers shall have a steel base and frame allowing use of pipe rollers in any direction. Include the following additional accessories:

1. Distribution class surge arrestors at the location of the primary cable connection.

Arrestors shall be 15kV class, heavy-duty riser type, 15kA rated, with a maximum continuous operation voltage of 12.7kV. Arrestors to be manufactured by Eaton, ABB, or Ohio Brass (Hubbell). The existing 13,200V power system serving the transformer is grounded via a 3.8 ohm neutral grounding resistor at the source substation transformer.

2. Electric Strip Heaters:

a. Provide 208V, single phase strip heaters sized to prevent condensation and to keep all air terminal compartments and the transformer free of moisture ingress.

Manufacturer shall include a thermostat, main fused disconnect, and individual fused disconnects for each heating element.

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2.5 RATINGS

A. The ratings of the transformers shall be as follows:

BASE BID – VPI TRANSFORMER

kVA Rating 2000/2666kVA AA/FA at 80°C rise 2700/3600kVA AA/FA at 150°C rise

Impedance 5.75% minimum to 6.5% max on 2000kVA base.

HV 13.2kV Delta HV BIL 95 kV HV de-energized Taps Two, ± 2% to 2.5% of full capacity LV 480Y/277V Grounded Wye LV BIL 10 kV Minimum

2.6 CONSTRUCTION

A. The unit shall be dry type and shall be in accordance with the latest edition of the NEC.

B. Base Bid Units (VPI Transformers):

1. The transformer shall carry its continuous rating with an average temperature rise by resistance that shall not exceed 80°C rise, based on a maximum ambient of 40°C. The transformer shall be capable of an additional 33% capacity when the fans are running. In addition, the transformer shall be capable of being operated continuously at 150°C rise with the ratings indicated in the table above under part 2.4A.

2. The coils shall be dried at atmospheric pressure in an oven through which hot air is continuously circulated. The totally dried coils shall be vacuum pressure impregnated in polyester resin varnish. The VPI process shall apply a one (1) cycle polyester protective shield of varnish to the coils. The VPI process shall effectively impregnate the coil assemblies, thus resulting in a unit which is virtually impermeable to moisture, dust, dirt, salt air, and other industrial contaminants. The VPI processed coils shall be permanently assembled on the core, and then dipped in polyester resin varnish. The varnish shall be cured on the core and coil assembly following an established temperature vs. time baking cycle in a hot air circulating oven.

C. The transformer shall be designed to meet the sound level standards for transformers as defined in NEMA and ANSI.

D. High voltage and low voltage windings shall be copper. Insulation between layers of the windings shall be by thermally set insulating paper or equal.

E. All bus details shall be made of copper.

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F. Transformer(s) core and coil assemblies shall be factory set in a complete NEMA 3R enclosure.

The enclosure must have fine grade air vents which will not allow water penetration. Refer to below photograph for reference:

G. High voltage taps shall be full-capacity taps provided with a tap changing mechanism designed for de-energized operation. The tap changer operator shall be located within one of the compartments. There shall be (2) 2.5% taps above and (2) 2.5% taps below nominal marked voltage of 13,200V. The movable tap winding shall be the primary winding.

H. The coil windings shall be, designed to reduce losses and manufactured with the conductor material as specified above. All insulating materials shall be rated for 220°C class for VPI construction.

I. The core material shall be high-grade, grain-oriented, non-aging silicon core steel with high magnetic permeability, low hysteresis and eddy current losses. Magnetic flux densities are to be kept well below saturation to allow for a minimum of 10% overvoltage excitation. The cores shall be properly annealed to reduce stresses induced during the manufacturing processes and reduce core losses.

J. The core frame shall be designed to provide maximum support of the core and coil assembly.

The core frame shall be welded or bolted to ensure maximum short-circuit strength.

K. The core and coil assembly shall be designed and manufactured to meet the short-circuit requirements of ANSI C57.12.90.

L. The fan temperature controller shall be manufactured by Qualitrol model # 118 ITM with MODBUS RS485 communication option and suitable for connection to field 208V single phase power supply.

2.7 PRIMARY CONNECTIONS

A. Transformer primary connections shall be live front type contained within the transformer main enclosure (no air terminal chamber to be provided). The primary connections shall be made by using the existing throat connection and existing 15kV cabling. Each terminal shall be permanently marked H1, H2, H3 above each terminal. The high voltage buswork in the transformer main tank (terminal bus stubs) shall be drilled to accept standard NEMA 2-hole compression lugs. The primary side shall line up and match the existing flange connection from the existing 15kV close coupled load interrupter switch. The existing load side cables between the load interrupter switch and the new transformer primary shall be provided by the transformer manufacturer as new #1/0CU 15kV EPR non-shielded cable with each phase provided in a 50-

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foot length. Refer to Detail #1 on drawing B420-000-W-E601.1 for the existing transformer dimensions and location of incoming HV leads. Photograph below illustrates existing condition and flange connection between the load interrupter switch and the existing dry-type transformer:

B. Glastic supports shall be provided for non-shielded cable as necessary and be coordinated with existing cabling from transformer load interrupter switch. The transformer front plate shall be designed to accommodate the existing throat connection between the existing 15kV load interrupter switch and the new transformer.

C. There shall be a continuous ¼” thick x 4” high (6.35 x 101.6-mm) copper ground bus continuous from the primary compartment through the transformer and ending in the secondary compartment. The primary cable shields and the green grounding conductor will be bonded to this ground bus. The ground bus shall be drilled at 4” length intervals to accept standard NEMA 2-hole compression lugs.

D. There shall be a thermal viewing window with line of sight of the primary terminals in the transformer main enclosure which shall be equipped with Fluke IR infrared inspection window positioned to give full view of the primary bushings and cable terminations.

Existing transformer flange connection shall line up and match on face of new transformer.

Existing medium voltage cable connection shall be reused with new transformer.

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2.8 TRANSFORMER SECONDARY CONNECTION

A. The secondary side shall be connected via cable inside the transformer main compartment (no separate air terminal compartment to be provided). The secondary side phase and neutral bussing must each be drilled to accept no fewer than eight (8) 2-hole hypress lugs (4-lugs on each side of the bus detail is acceptable if temperature rise is no greater than 90°C at the termination point) suitable for 500kCMIL copper XHHW wire. There shall be a ¼” thick x 4” high (6.35 x 101.6-mm) ground bus inside of the transformer drilled to accept ten (10) 2-hole hypress lugs for #3/0CU wiring.

B. There shall be a fluke IR viewing window with clear view of the secondary phase and neutral cable terminations to the transformer secondary bussing.

C. The secondary cables will leave the enclosure via galvanized rigid steel conduits. The contractor will drill the side of the transformer enclosure and install the new conduits above grade level at an elevation of roughly 80” above grade line to the top-most conduit.

2.9 FINISH

A. Transformer units shall include suitable outdoor paint finish. The paint shall be applied using an electrostatically deposited dry power system to a minimum of three (3) mils average thickness.

Units shall be painted ANSI 61 grey.

2.10 SOURCE QUALITY CONTROL

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 applicable ANSI and NEMA standards.

1. Resistance measurements of all windings on the rated voltage connection

2. Ratio tests on the rated voltage connection and on all tap connections

3. Polarity and phase-relation tests on the rated voltage connection

4. No-load loss at rated voltage on the rated voltage connection

5. Excitation current at rated voltage on the rated voltage connection

6. Impedance and load loss at rated current on the rated voltage connection. Impedance shall be listed at the base 80°C AA rating.

7. Applied potential test

8. Induced potential test

9. Temperature Test: If transformer is supplied with auxiliary cooling equipment to provide more than one rating, test at lowest kVA Class AA rating.

a. Temperature test is not required if record of temperature test on an essentially duplicate unit is available.

10. Owner may witness all required factory tests. Notify Engineer at least 14 days before date of tests and indicate their approximate duration.

B. Factory Sound Level Tests: Conduct sound level test on equipment for this Project if specified sound levels are below standard ratings.

C. The manufacturer shall provide three certified copies of factory test reports to the Engineer upon request.

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2.11 IDENTIFICATION DEVICES

A. Nameplates: Engraved metal nameplate for each transformer, mounted with corrosion-resistant screws.

END OF SECTION 26 12 00

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SECTION 26 24 13 - SWITCHBOARDS

PART 1 - GENERAL

1.1 SCOPE OF WORK

A. This Section includes the following:

1. Service and distribution switchboards rated 600 V and less

2. Transient voltage suppression devices

3. Disconnecting and overcurrent protective devices

4. Instrumentation

5. Control power

6. Accessory components and features

7. Identification

8. Mimic bus

B. Two (2) switchboards, MSB-SSA-1 and MSB-SSA-2

1. MSB-SSA-1, NEMA-3R 3000A circuit breaker main switchboard with cable in, busduct out connection, and all others as specified and indicated herein and on the Drawings.

2. MSB-SSA-2 NEMA-1 3000A distribution switchboard with busduct incoming, SPD, voltage test station, metering, 30MM control switch and distribution sections with electronic trip breakers, and all others as specified and indicated herein and on the Drawings.

a. MSB-SSA-2 will include a separately packaged third distribution section as outlined on the drawings. This section shall be shipped with the specific breakers identified on the single line diagram drawing J420-104-W-E401. It will be shipped as salvage equipment for use in a future phase.

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

1.2 DEFINITIONS

A. EMI: Electromagnetic interference

B. GFCI: Ground-fault circuit interrupter

C. RFI: Radio-frequency interference

D. RMS: Root mean square

E. SPDT: Single pole, double throw

F. TVSS: Transient voltage surge suppressor

1.3 CODES AND STANDARDS

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with NEMA PB 2

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C. Comply with NFPA 70

D. Comply with UL 891

1.4 QUALITY ASSURANCE

A. Contractor Qualifications

1. Firms shall have at least five years’ experience with similar projects utilizing switchboards similar to that required for this project.

2. Installer Qualifications: An employer of workers qualified as defined in NEMA PB 2.1 and trained in electrical safety as required by NFPA 70E.

B. Manufacturer’s Qualifications

1. Firms shall be engaged in the manufacture of switchboards of types and sizes required, and whose products have been in satisfactory use in similar service for not less than five years.

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

C. Testing Agency Qualifications: Testing agency shall be a member company of the InterNational Electrical Testing Association (NETA) and that is acceptable to the authorities having jurisdiction.

D. Listing and Labeling: Provide switchboard assemblies specified in this Section that are listed and labeled.

1. The Terms “Listed” and “Labeled”: As defined in the National Electrical Code, Article 100.

2. Listing and Labeling Agency Qualifications: A “Nationally Recognized Testing Laboratory” as defined in OSHA Regulation 1910.7.

E. Product Selection for Restricted Space: Drawings indicate maximum dimensions for switchboard equipment, including clearances between switchboard and adjacent surfaces and items. Comply with indicated maximum dimensions.

1.5 SUBMITTALS

A. Product Data: Submit product information for each type of switchboard, overcurrent protective device, transient voltage suppression device, accessory, and component indicated. Include dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, accessories, and finishes.

B. Shop Drawings: For each switchboard and related equipment:

1. Show dimensioned plans and elevations, including required clearances and service space, component and device lists, and a single-line diagram showing main- and branch-bus current ratings and short-time and short-circuit ratings of switchboard.

2. Detail enclosure types for types other than NEMA 250, Type 1.

3. Detail bus configuration, current, and voltage ratings.

4. Detail short-circuit current rating of switchboards and overcurrent protective devices.

5. Descriptive documentation of optional barriers specified for electrical insulation and isolation.

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

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7. Include time-current coordination curves for each type and rating of overcurrent protective device included in switchboards. Submit on translucent log-log graft paper;

include selectable ranges for each type of overcurrent protective device.

a. Time Current Curves: For all circuit breakers in switchboard provide time vs.

current curves on 11 x 17 sized log/log paper (bind in the submittal and record document PDF packages). Curves provided on 8½ x 11 size paper are not acceptable.

8. Include schematic and wiring diagrams for power, signal, and control wiring.

9. Wiring Diagrams: Details of wiring for power and control and differentiating between manufacturer-installed and field-installed wiring.

C. Qualification Data: For firms and persons specified in “Quality Assurance” article.

D. Seismic Qualification Certificates: Submit certification that switchboards, overcurrent protective devices, accessories, and components will withstand seismic forces for the area zone of installation. Include the following:

1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation.

2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions.

3. Detailed description of equipment anchorage devices on which the certification is based and their installation requirements.

E. Reports of Field Tests and Observations: Certified by testing agency. 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

F. Manufacturer field service report.

G. Certificates for field testing agency, signed by Contractor, certifying that testing agency complies with requirements specified in “Quality Assurance” article.

H. Operation and Maintenance Data: For switchboards and components to include in emergency, operation, and maintenance manuals. Include the following:

1. Routine maintenance requirements for switchboards and all installed components.

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

3. Time-current coordination curves for each type and rating of overcurrent protective device included in switchboards. Submit on translucent log-log graft paper; include selectable ranges for each type of overcurrent protective device.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver in shipping splits of lengths that can be moved past obstructions in delivery path.

B. Remove loose packing and flammable materials from inside switchboards.

C. Store so condensation will not occur on or in switchboards. Provide temporary heaters as required to avoid condensation. Install temporary electric heating to prevent condensation.

D. Handle switchboards according to NEMA PB 2.1. Use only factory-installed lifting provisions.

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E. Installation Pathway: Remove and replace access fencing, doors, lift-out panels, and structures to provide pathway for moving switchboards into place.

F. Environmental Limitations:

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

G. Shipping Splits

1. Switchboards shall be arranged so that they may be shipped with continuous sections and only broken out into separate split sections and shipping splits where directed by the owner and installing contractor. The shipping splits must be indicated on the shop drawings submitted to the engineer for approval.

1.7 SPARE PARTS

A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Control-Power Fuses: Equal to 10% of quantity installed for each size and type, but no fewer than two of each size and type.

1.8 WARRANTY

A. Warranty shall be a minimum of one year from acceptance testing.

B. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace transient voltage suppression devices that fail in materials or workmanship within specified warranty period.

1.9 MAINTENANCE

Not Applicable

1.10 COORDINATION

A. Coordinate layout and installation of switchboards and components with other construction that penetrates walls or is supported by them, including electrical and other types of equipment, raceways, piping, encumbrances to workspace clearance requirements, and adjacent surfaces.

Maintain required workspace clearances and required clearances for equipment access doors and panels.

B. Coordinate sizes and locations of concrete bases with actual equipment provided. Cast anchor-bolt inserts into bases. Concrete shall be minimum 4000PSI, 4” high off of the existing finished floor, and be a continuous pad extending 2” outside the footprint of the new switchboard.

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PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work shall be those which comply with the provisions of this specification.

2.2 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.

2.3 MANUFACTURED UNITS

A. Front-Connected, Front-Accessible Switchboards:

1. Main Devices: Fixed, individually mounted

2. Branch Devices: Panel (group) mounted

3. Sections both front and rear aligned

B. Preferred Depth of equipment – the maximum depth of the MSB-SSA-2 switchboard shall be no greater than 36” deep to accommodate lab user equipment.

C. Short Ratings: 65,000 amps minimum fully rated or as noted on the electrical drawings.

1. Short circuit ratings shall meet or exceed the ratings calculated under Division 26 Section

26 0573, “Overcurrent Protective Device Coordination Study” of these specifications.

D. Nominal System Voltage: 480Y/277 V, 3 Phase, 4 wire, 60 Hz

E. Main and Distribution Bus Continuous Rating: As noted on the electrical drawings. Copper bus only. Horizontal Cross bussing must be rated the same as the incoming main section – do not taper/reduce cross bussing size. Distribution vertical section bus shall allow for full capacity to match the main section ratings. For example, a 3000A main section can feed either a 3000A distribution section or (2) 2000A distribution sections with the breaker loadings evenly divided between the two sections. In either case, the horizontal section to section cross bussing shall be 3000A rated.

2.4 FABRICATION AND FEATURES

A. Indoor Enclosure: NEMA 250 Type 1, metal, totally enclosed, dead-front, freestanding.

1. Enclosure Finish: Factory-applied finish in manufacturer’s standard gray finish over a rust-inhibiting primer on treated metal surface.

B. Barriers: Between adjacent switchboard sections.

C. Isolation and isolation of main bus of main section and main and vertical buses of feeder sections.

D. Customer (Non-Utility) Metering Compartment: A separate customer metering compartment with front hinged door, for indicated metering current transformers for each meter transducer.

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Current transformer secondary wiring shall be terminated on shorting-type terminal blocks.

Voltage metering on 480V systems and 480Y/277V systems shall be taken directly from the bus (no PT’s). Fused disconnect switches must be present on each phase/pole of the voltage metering wiring. The customer metering compartment is permitted to be included in the same freestanding section as the main circuit breaker. The meter shall include a 480V to 120V single phase control power transformer of adequate capacity with primary and secondary fuse disconnects to power the display unit.

E. Feeder Distribution Sections: Distribution sections shall consist of three sections, a front circuit breaker or fused switch section, an intermediate busing compartment, and a rear load side feeder cable/lug compartment. There shall be glass polyester barriers between the three sections. Cross bussing shall not taper between sections and match the main section. Sum of distribution section ampacity shall be suitable such that the entire switchboard can be loaded fully to its main rating.

F. Incoming main Busduct connection – manufacturer shall include a top mounted busduct flange on the main sections to match the manufacturer of the busway being provided by the successful electrical contractor.

G. Hinged Front Panels: Allow access to circuit breaker, metering, accessory, and blank compartments.

H. Protective Device Mounting: Main Circuit breakers shall be individually mounted. Branch circuit breakers shall be group mounted where possible based on manufacturer. Devices shall be removable from the front.

I. Main device lugs (where required): Incoming Lugs shall be compression type or two-hole long barrel high press type, tin-plated cooper suitable for copper cables rated at 90°C and accessible from the front. Lugs shall be sized for cable shown on the drawings.

J. Branch device lugs: Branch device lugs shall be mechanical type, rated 75°C and accessible from the front of the enclosure.

K. Pull Box on Top of Switchboard (where required): Include the following features:

1. Adequate ventilation to maintain air temperature in pull box within same limits as switchboard.

2. Set back from front to clear circuit-breaker removal mechanism.

3. Removable covers forming top, front, and sides. Top covers at rear are easily removable for drilling and cutting.

4. Bottom of insulating, fire-resistant material with separate holes for cable drops into switchboards.

5. Cable supports arranged to facilitate cabling and adequate to support cables indicated, including those for future installation.

L. Buses and Connections: 3-phase, 4 wire, except as otherwise indicated. Features as follows:

1. Phase, Neutral, and Ground Bus Material: Hard-drawn copper of 98% conductivity silver plated.

2. Load Terminals: Silver plated copper bus extensions equipped with two-hole high-pressure connectors for outgoing circuit conductors.

3. Ground Bus: ¼” x 4” (6.35 x 101.6-mm) minimum size, equipped with high press two-hole connectors for feeder- and branch-circuit ground conductors.

4. Contact Surfaces of Buses: Silver plated

5. Bus Ampacity: Uniform capacity the entire length of the switchboard main and distribution sections. 1000 amps per square inch and compliance with UL 891.

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6. Neutral and Ground Buses: 100% of the ampacity of the phase buses, except as indicated, and equipped with approved pressure connectors for outgoing circuit neutral and equipment ground cables.

7. Bus provisions shall be made for future splicing of additional sections from either end of the switchboard.

M. Future Devices: Equip compartments with mounting brackets, supports, bus connections, and appurtenances at full rating of circuit breaker compartment.

2.5 OVERCURRENT PROTECTIVE DEVICES

A. Main breaker: Enclosed, power breaker per UL-489 and 100% rated. Minimum interrupting rating of 65,000 amps, UL-489 Listed (Main breaker is in MSB-SSA-1 Only).

1. Fixed circuit-breaker mounting.

2. Two-step, stored-energy closing.

3. Microprocessor-based trip units with interchangeable rating plug, LED trip indicators, and the following field-adjustable settings:

a. Long time pick up and delay adjustments

b. Short-time time pick, delay and I2t response adjustments

c. Instantaneous Pickup

d. Ground-fault pickup level, time delay, and I2t response

e. Arc-Flash Reduction Maintenance Switch (ARMS)

f. Amp-meter on trip unit for instantaneous and peak (highest recorded) for phases

A, B, C.

4. Remote trip indication and control.

5. Key off: Key to lock circuit-breaker operation in off; key shall be removable only when circuit breaker is in off position.

6. Control voltage: 120VAC.

7. Shunt trip – 120VAC.

8. Factory Lock-Out Hasp to enable field locking of breaker in OPEN (OFF) Position.

B. Branch Feeder Breakers: Enclosed, Molded-Case Circuit Breaker: NEMA AB 1, handle lockable.

1. Characteristics: Frame size, trip rating, number of poles, and auxiliary devices as indicated and interrupting capacity rating to meet available fault current.

2. Application Listing: Appropriate for application, including switching fluorescent lighting loads or heating, air-conditioning, and refrigerating equipment.

3. Continuous Current Rating: Breakers 600 amps and larger shall be 100% rated.

4. Circuit Breakers, 250 A and Smaller: Thermal magnetic trip unit and inverse time-current characteristics.

5. Circuit Breakers, 400 A and Larger: Microprocessor based RMS trip units with following characteristics:

a. Long time pick up (x of plug) and delay adjustments

b. Short-time time pick, delay and I2t response adjustments

c. Instantaneous Pickup

d. LCD ammeter

6. All breakers to contain factory applied lock-out hasps on the handles or local operator mechanisms.

7. Interrupting rating not less than 65,000A at 480VAC, 3-phase.

2.6 SURGE PROTECTION DEVICES (TVSS)

A. Surge Protection device to be included in MSB-SSA-2 only.

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B. Manufacturers: Subject to compliance with requirements, provide devices as manufactured by the fabricator.

1. Shall be manufactured by Square-D, Eaton, Current Technology, or Siemens.

C. Surge Protection Device Description: IEEE C62.41-compliant, integrally mounted, plug-in, solid-state, parallel-connected, modular (with field-replaceable modules) type, with sine-wave tracking suppression and filtering modules, UL 1449, fifth edition, short-circuit current rating matching or exceeding the switchboard short-circuit rating, and with the following features and accessories:

1. Fuses, rated at 200 kA interrupting capacity

2. Fabrication using bolted compression lugs for internal wiring

3. Integral disconnecting means

4. Redundant suppression circuits

5. Redundant replaceable modules

6. Arrangement with wire connections to phase buses, neutral bus, and ground bus

7. LED indicator lights for power and protection status

8. Audible alarm, with silencing switch, to indicate when protection has failed

9. Form-C contacts rated at 5 A and 250VAC, one normally open and one normally closed, for remote monitoring of system operation. Contacts shall reverse position on failure of any surge diversion module or on opening of any current-limiting device. Coordinate with building power monitoring and control system.

10. Six-digit, transient-event counter set to totalize transient surges

D. Protection modes and UL 1449 SVR for grounded wye circuits with 480Y/277, three-phase, four-wire circuits shall be as follows:

1. Line to Neutral: 800 V for 480Y/277

2. Line to Ground: 800 V for 480Y/277

3. Neutral to Ground: 800 V for 480Y/277

E. TVSS shall use selenium MOV technology and provide protection for L-G, L-L, L-N, and N-G modes.

F. EMI/RFI Filter: TVSS shall include a high performance EMI/RFI noise filter which provides a minimum of noise attenuation of 50 dB at 100 kHz.

2.7 INSTRUMENTATION

A. Instrument Transformers: NEMA EI 21.1, IEEE C57.13, and the following:

1. Potential Transformers: Secondary voltage rating of 120V and NEMA accuracy class of

0.3 with burdens of W, X, and Y.

2. Current Transformers: Ratios as indicated and accuracy class and burden suitable for connected relays, meters, and instruments. NEMA accuracy class of 0.3 or better.

Current transformers shall be revenue grade.

3. Control Power Transformers: Dry type, mounted in separate compartments for units larger than 3kV.

4. Current Transformers for Neutral and Ground-Fault Current Sensing: Provide neutral sensor current transformers on the main breaker for ground fault tripping. Include mounting provisions for future installation of neutral sensor transformers for the feeder circuit breakers.

B. Multifunction Digital Power Metering Monitor. Provide a main power meter transducer inside the switchboard MSB-SSA-2 with remote mounted display. The compete-meter transducer

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assembly shall be microprocessor-based RMS unit with on board memory suitable for 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) 3000:5A current transformers on the incoming line bus, one CT for each phase, and one CT for the neutral.

8. Mounting: Control unit (transducer) to be mounted inside the switchboard MSB-SSA-2 instrument compartment. The display unit shall be flush mounted on the front instrument panel of the switchboard incoming section and viewable without requiring opening any doors or separate compartments.

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.

C. Approved manufacturer and model

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 and approval by ANL).

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

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

2.8 CONTROL POWER

A. Control Power Circuits: 120VAC fed via control power transformer in switchboard, unless otherwise noted. Control power transformer and associated fuses and terminal blocks shall be accessible and isolated from main power busing to allow for maintenance.

B. Control Power Fuses: Provide fuses protecting the control circuitry within the switchboard and remote control panel.

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C. Control Wiring: Factory installed, complete with bundling, lacing, and protection. Provide flexible conductors for No. 8 AWG and smaller, for conductors across hinges, and for conductors for interconnections between shipping units.

2.9 ACCESSORY COMPONENTS AND FEATURES

A. Accessory Set: Include tools and miscellaneous items as required for overcurrent protective device test, inspection, maintenance, and operation.

B. Portable Test Set: Arranged to permit testing of all functions of solid-state trip devices without removal from switchboard. Include relay and meter test plugs suitable for testing switchboard meters and switchboard class relays.

C. GRACE Voltage Test Station: Include Grace Product Voltage Test Station Model #P-S12S21- M2RX-V connected in the main lug compartment of MSB-SSA-2.

D. Anti-Condensation Strip Heaters in NEMA-3R switchboard MSB-SSA-1. Heaters shall operate at 208V, single phase.

E. Lifting Eyes: Provide switchboard sections with lifting eyes.

F. Shunt trip button: Provide 30mm “break-glass” style pushbutton on the front cover of MSB-SSA- 2 incoming line section which will be used to operate the 120V shunt trip in the main circuit breaker located in switchboard MSB-SSA-1. The pushbutton shall be Square D type 9001K15 with N/O and N/C contact block (or equivalent by other manufacturer) and shall be panel mounted on the front cover of the incoming line section of MSB-SSA-2. There shall be an engraved phenolic nameplate above the button which reads “EMERGENCY SERVICE SHUTDOWN – BREAK GLASS” Include provision to mount the “break-glass” hammer to the enclosure front. Switchboard manufacturer shall provide a numbered terminal strip connected to the button for field wiring to interconnect MSB-SSA-1 to MSB-SSA-2.

G. Busway flanges on MSB-SSA-1 and MSB-SSA-2:

1. Factory provided to accept busway of the same manufacturer as the switchboard.

Busway to be purchased by contractor at later date. Busway is to be 3000A copper with 50% separate ground bar and housing ground, 480Y/277V 3-phase, 4-wire. Busway flange for MSB-SSA-1 will be type NEMA-3R and for MSB-SSA-2 will be NEMA-1 type.

2.10 IDENTIFICATION DEVICES

A. Nameplates and label products are specified in Division 26 Section 26 0553, “Identification for Electrical Systems.”

B. Mimic Bus: Continuously integrated mimic bus factory applied to front of switchboard. Arrange in single-line diagram format, using symbols and letter designations consistent with final mimic-bus diagram.

C. Coordinate mimic-bus segments with devices in switchboard sections to which they are applied.

Produce a concise visual presentation of principal switchboard components and connections.

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D. Service Equipment Label: NRTL labeled for use as service equipment for switchboards with one or more service disconnecting and overcurrent protective devices.

END OF SECTION 26 24 13

P:\23 Projects\P23-0858-00anl\04 Design\07 Specs\PREPURCHASE\DIVISION 26\26 2413-Switchboards.docx

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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…