1389846_spc_3Aof3_with_seal.pdf

WORK ORDER NO.

At the

PREPARED BY:

Architectural: Mechanical:

Civil: Electrical:

Structural:

APPROVED BY:

Specifications:

For Commander, NAVFAC:

Date:

Submitted By: Date:W. Lee Hopson, Jr.

NAVFAC MID-ATLANTIC

1389846

CONTRACT NO. N40085-15-D-0068

P990 F-35B Vertical LiftFan Test Facility

Cherry Point, North Carolina

VOLUME III OF III

Clark Nexsen 4525 Main Street, Suite 1400 Virginia Beach, VA 23462

A/E Contract Number 7158

Scott Berger, A.I.A.

Robert Silver, P.E.

David Clark, P.E.

Camille Kattan

Steven Beccia, P.E.

Wayne Morrison, P.E.

Richard Alpert, P.E.

N/AGeotechnical

Fire Protection:

Safety:

02/25/2019

P990 F-35B Vertical LiftFan Test Facility eProjects Work Order No. 1389846

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 01 15 LIST OF DRAWINGS

00 22 13.00 20 SUPPLEMENTARY INSTRUCTIONS TO OFFERORS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 14 00 WORK RESTRICTIONS

01 20 00.00 20 PRICE AND PAYMENT PROCEDURES

01 30 00 ADMINISTRATIVE REQUIREMENTS

01 30 01.00 22 DESIGN, PROCUREMENT, AND INSTALLATION OF FURNITURE,

FIXTURES, AND EQUIPMENT

01 32 17.00 20 COST-LOADED NETWORK ANALYSIS SCHEDULES (NAS)

01 33 00 SUBMITTAL PROCEDURES

01 33 29 SUSTAINABILITY REPORTING

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.00 20 QUALITY CONTROL

01 45 35 SPECIAL INSPECTIONS

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 58 00 PROJECT IDENTIFICATION

01 60 00.00 22 REQUIREMENTS FOR PESTICIDE AND HERBICIDE COORDINATION

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 00 CLOSEOUT SUBMITTALS

01 78 23 OPERATION AND MAINTENANCE DATA

01 78 24.00 20 FACILITY ELECTRONIC OPERATION AND MAINTENANCE SUPPORT

INFORMATION (eOMSI)

01 78 30.00 22 GIS DATA DELIVERABLES

01 91 00.15 22 TOTAL BUILDING COMMISSIONING

DIVISION 02 - EXISTING CONDITIONS

02 41 00 DEMOLITION

DIVISION 03 - CONCRETE

03 30 00 CAST-IN-PLACE CONCRETE

DIVISION 04 - MASONRY

04 20 00 UNIT MASONRY

DIVISION 05 - METALS

05 12 00 STRUCTURAL STEEL

05 30 00 STEEL DECKS

05 40 00 COLD-FORMED METAL FRAMING

05 50 13 MISCELLANEOUS METAL FABRICATIONS

05 51 00 METAL STAIRS

05 51 33 METAL LADDERS

05 52 00 METAL RAILINGS

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00 ROUGH CARPENTRY

PROJECT TABLE OF CONTENTS Page 1

06 41 16.00 10 PLASTIC-LAMINATE-CLAD ARCHITECTURAL CABINETS

06 61 16 SOLID SURFACING FABRICATIONS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS

07 21 13 BOARD AND BLOCK INSULATION

07 21 16 MINERAL FIBER BLANKET INSULATION

07 22 00 ROOF AND DECK INSULATION

07 27 10.00 10 BUILDING AIR BARRIER SYSTEM

07 27 19.01 SELF-ADHERING AIR BARRIERS

07 27 26 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 42 13 METAL WALL PANELS

07 52 00 MODIFIED BITUMINOUS MEMBRANE ROOFING

07 60 00 FLASHING AND SHEET METAL

07 61 14.00 20 STEEL STANDING SEAM ROOFING

07 81 00 SPRAY-APPLIED FIREPROOFING

07 84 00 FIRESTOPPING

07 92 00 JOINT SEALANTS

DIVISION 08 - OPENINGS

08 11 13 STEEL DOORS AND FRAMES

08 33 23 OVERHEAD COILING DOORS

08 34 73 SOUND CONTROL DOOR ASSEMBLIES

08 51 13 ALUMINUM WINDOWS

08 71 00 DOOR HARDWARE

08 81 00 GLAZING

DIVISION 09 - FINISHES

09 22 00 SUPPORTS FOR PLASTER AND GYPSUM BOARD

09 29 00 GYPSUM BOARD

09 30 10 CERAMIC, QUARRY, AND GLASS TILING

09 51 00 ACOUSTICAL CEILINGS

09 62 38 STATIC-CONTROL FLOORING

09 65 00 RESILIENT FLOORING

09 67 23.13 STANDARD RESINOUS FLOORING

09 69 13 RIGID GRID ACCESS FLOORING

09 90 00 PAINTS AND COATINGS

DIVISION 10 - SPECIALTIES

10 11 00 VISUAL DISPLAY UNITS

10 14 00.20 INTERIOR SIGNAGE

10 14 53 TRAFFIC SIGNAGE

10 26 00 WALL AND DOOR PROTECTION

10 28 13 TOILET ACCESSORIES

10 44 16 FIRE EXTINGUISHERS

DIVISION 12 - FURNISHINGS

12 48 13 ENTRANCE FLOOR GRIDS AND FRAMES

DIVISION 14 - CONVEYING EQUIPMENT

14 24 23 HYDRAULIC PASSENGER ELEVATORS

DIVISION 21 - FIRE SUPPRESSION

PROJECT TABLE OF CONTENTS Page 2

21 13 13.00 20 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION

21 13 19.00 20 DELUGE FIRE SPRINKLER SYSTEMS

21 22 00.00 22 CLEAN AGENT FIRE EXTINGUISHING SYSTEMS

DIVISION 22 - PLUMBING

22 00 00 PLUMBING, GENERAL PURPOSE

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEMS

23 03 00.00 20 BASIC MECHANICAL MATERIALS AND METHODS

23 05 15 COMMON PIPING FOR HVAC

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS

23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC

23 11 25 FACILITY GAS PIPING

23 21 13.00 20 LOW TEMPERATURE WATER (LTW) HEATING SYSTEM

23 23 00 REFRIGERANT PIPING

23 25 00 CHEMICAL TREATMENT OF WATER FOR MECHANICAL SYSTEMS

23 52 00 HEATING BOILERS

23 64 26 CONDENSER WATER PIPING SYSTEMS

23 81 00.00 20 UNITARY AIR CONDITIONING EQUIPMENT

23 81 47 WATER-LOOP AND GROUND-LOOP HEAT PUMP SYSTEMS

23 82 00.00 20 TERMINAL HEATING UNITS

DIVISION 25 - INTEGRATED AUTOMATION

25 05 11 CYBERSECURITY FOR FACILITY-RELATED CONTROL SYSTEMS

DIVISION 26 - ELECTRICAL

26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS

26 08 00 APPARATUS INSPECTION AND TESTING

26 11 14.00 10 MAIN ELECTRIC SUPPLY STATION AND SUBSTATION

26 12 19.10 THREE-PHASE PAD-MOUNTED TRANSFORMERS

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 24 13 SWITCHBOARDS

26 29 23 VARIABLE FREQUENCY DRIVE SYSTEMS UNDER 600 VOLTS

26 33 53.00 20 UNINTERRUPTIBLE POWER SUPPLY (UPS)

26 41 00 LIGHTNING PROTECTION SYSTEM

26 51 00 INTERIOR LIGHTING

26 56 00 EXTERIOR LIGHTING

DIVISION 27 - COMMUNICATIONS

27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 76.22 INTERIOR ADDRESSABLE FIRE ALARM SYSTEMS

DIVISION 31 - EARTHWORK

31 11 00 CLEARING AND GRUBBING

31 23 00.00 20 EXCAVATION AND FILL

31 31 16.13 CHEMICAL TERMITE CONTROL

31 62 13.20 PRECAST/PRESTRESSED CONCRETE PILES

PROJECT TABLE OF CONTENTS Page 3

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 05 33 LANDSCAPE ESTABLISHMENT

32 11 20 SUBBASES FOR FLEXIBLE PAVING

32 12 13 BITUMINOUS TACK AND PRIME COATS

32 12 16 HOT-MIX ASPHALT (HMA) FOR ROADS

32 16 19 CONCRETE SIDEWALKS

32 17 23 PAVEMENT MARKINGS

32 31 13 CHAIN LINK FENCES AND GATES

32 92 23 SODDING

32 93 00 EXTERIOR PLANTS

DIVISION 33 - UTILITIES

33 11 00 WATER UTILITY DISTRIBUTION PIPING

33 30 00 SANITARY SEWERS

33 40 00 STORM DRAINAGE UTILITIES

33 71 01 OVERHEAD TRANSMISSION AND DISTRIBUTION

33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION

33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

DIVISION 41 - MATERIAL PROCESSING AND HANDLING EQUIPMENT

41 22 13.14 BRIDGE CRANES, OVERHEAD ELECTRIC, TOP RUNNING

PROJECT TABLE OF CONTENTS Page 4

APPENDICES

APPENDIX A - GEOTECHNICAL REPORT

APPENDIX B - GEOTECHNICAL REPORT ADDENDUM 2 DRUMMED INVESTIGATIVE DERIVED

WASTE (IDW) GENERATED DURING GEOTECHNICAL SUBSURFACE DRILLING

ACTIVITES

APPENDIX C - GEOTECHNICAL REPORT ADDENDUM 2 PILE CAPACITY

-- End of Project Table of Contents --

SECTION 26 00 00.00 20

BASIC ELECTRICAL MATERIALS AND METHODS

07/06

PART 1 GENERAL

1.1 REFERENCES

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.

ASTM INTERNATIONAL (ASTM)

ASTM D709 (2017) Standard Specification for Laminated Thermosetting Materials

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 100 (2000; Archived) The Authoritative Dictionary of IEEE Standards Terms

IEEE C2 (2017; Errata 1-2 2017; INT 1 2017) National Electrical Safety Code

IEEE C57.12.28 (2014) Standard for Pad-Mounted Equipment

- Enclosure Integrity

IEEE C57.12.29 (2014) Standard for Pad-Mounted Equipment

- Enclosure Integrity for Coastal Environments

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2014) Enclosures for Electrical Equipment (1000 Volts Maximum)

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2017; ERTA 1-2 2017; TIA 17-1; TIA 17-2;

TIA 17-3; TIA 17-4; TIA 17-5; TIA 17-6;

TIA 17-7; TIA 17-8; TIA 17-9; TIA 17-10;

TIA 17-11; TIA 17-12; TIA 17-13; TIA

17-14) National Electrical Code

1.2 RELATED REQUIREMENTS

This section applies to certain sections of Division 02, EXISTING CONDITIONS and Divisions 22 and 23, PLUMBING and HEATING VENTILATING AND AIR CONDITIONING. This section applies to all sections of Division 26 and 33, ELECTRICAL and UTILITIES, of this project specification unless specified otherwise in the individual sections. This section has been incorporated into, and thus, does not apply to, and is not referenced in the following sections.

Section 26 12 19.10 THREE-PHASE PAD MOUNTED TRANSFORMERS Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM

SECTION 26 00 00.00 20 Page 1

Section 26 24 13 SWITCHBOARDS Section 26 51 00 INTERIOR LIGHTING Section 26 56 00 EXTERIOR LIGHTING Section 27 10 00 BUILDING TELECOMMUNICATIONS CABLING SYSTEM Section 33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION Section 33 82 00 TELECOMMUNICATIONS OUTSIDE PLANT (OSP)

1.3 DEFINITIONS

a. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, shall be as defined in IEEE 100.

b. The technical sections referred to herein are those specification sections that describe products, installation procedures, and equipment operations and that refer to this section for detailed description of submittal types.

c. The technical paragraphs referred to herein are those paragraphs in PART 2 - PRODUCTS and PART 3 - EXECUTION of the technical sections that describe products, systems, installation procedures, equipment, and test methods.

1.4 ELECTRICAL CHARACTERISTICS

Electrical characteristics for this project shall be 12.47 kV primary, three phase, three wire, 60 Hz, and 480 volts secondary, three phase, four wire.

1.5 ADDITIONAL SUBMITTALS INFORMATION

Submittals required in other sections that refer to this section must conform to the following additional requirements as applicable.

1.5.1 Shop Drawings (SD-02)

Include wiring diagrams and installation details of equipment indicating proposed location, layout and arrangement, control panels, accessories, piping, ductwork, and other items that must be shown to ensure a coordinated installation. Wiring diagrams shall identify circuit terminals and indicate the internal wiring for each item of equipment and the interconnection between each item of equipment. Drawings shall indicate adequate clearance for operation, maintenance, and replacement of operating equipment devices.

1.5.2 Product Data (SD-03)

Submittal shall include performance and characteristic curves.

1.6 QUALITY ASSURANCE

1.6.1 Regulatory Requirements

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction," or words of similar meaning, to mean the Contracting Officer. Equipment, materials, installation, and workmanship shall be in accordance with the mandatory and

SECTION 26 00 00.00 20 Page 2 advisory provisions of NFPA 70 unless more stringent requirements are specified or indicated.

1.6.2 Standard Products

Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year period shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in the technical section.

1.6.2.1 Alternative Qualifications

Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished.

1.6.2.2 Material and Equipment Manufacturing Date

Products manufactured more than 3 years prior to date of delivery to site shall not be used, unless specified otherwise.

1.7 WARRANTY

The equipment items shall be supported by service organizations which are reasonably convenient to the equipment installation in order to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.8 POSTED OPERATING INSTRUCTIONS

Provide for each system and principal item of equipment as specified in the technical sections for use by operation and maintenance personnel. The operating instructions shall include the following:

a. Wiring diagrams, control diagrams, and control sequence for each principal system and item of equipment.

b. Start up, proper adjustment, operating, lubrication, and shutdown procedures.

c. Safety precautions.

d. The procedure in the event of equipment failure.

e. Other items of instruction as recommended by the manufacturer of each system or item of equipment.

Print or engrave operating instructions and frame under glass or in approved laminated plastic. Post instructions where directed. For operating instructions exposed to the weather, provide weather-resistant materials or weatherproof enclosures. Operating instructions shall not

SECTION 26 00 00.00 20 Page 3 fade when exposed to sunlight and shall be secured to prevent easy removal or peeling.

1.9 MANUFACTURER'S NAMEPLATE

Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.10 FIELD FABRICATED NAMEPLATES

ASTM D709. Provide laminated plastic nameplates for each equipment enclosure, relay, switch, and device; as specified in the technical sections or as indicated on the drawings. Each nameplate inscription shall identify the function and, when applicable, the position. Nameplates shall be melamine plastic, 0.125 inch thick, white with black center core and as indicated. Surface shall be matte finish. Corners shall be square.

Accurately align lettering and engrave into the core. Minimum size of nameplates shall be one by 2.5 inches. Lettering shall be a minimum of

0.25 inch high normal block style.

1.11 WARNING SIGNS

Provide warning signs for the enclosures of electrical equipment including substations, pad-mounted transformers, pad-mounted switches, generators, and switchgear having a nominal rating exceeding 600 volts.

a. When the enclosure integrity of such equipment is specified to be in accordance with IEEE C57.12.28 or IEEE C57.12.29, such as for pad-mounted transformers and pad-mounted SF6 switches, provide self-adhesive warning signs on the outside of the high voltage compartment door(s). Sign shall be a decal and shall have nominal dimensions of 7 by 10 inches with the legend "DANGER HIGH VOLTAGE" printed in two lines of nominal 2 inch high letters. The word "DANGER" shall be in white letters on a red background and the words "HIGH VOLTAGE" shall be in black letters on a white background. Decal shall be Panduit No. PPSO710D72 or approved equal.

b. When such equipment is guarded by a fence, mount signs on the fence.

Provide metal signs having nominal dimensions of 14 by 10 inches with the legend "DANGER HIGH VOLTAGE KEEP OUT" printed in three lines of nominal 3 inch high white letters on a red and black field.

1.12 ELECTRICAL REQUIREMENTS

Electrical installations shall conform to IEEE C2, NFPA 70, and requirements specified herein.

1.13 INSTRUCTION TO GOVERNMENT PERSONNEL

Where specified in the technical sections, furnish the services of competent instructors to give full instruction to designated Government personnel in the adjustment, operation, and maintenance of the specified systems and equipment, including pertinent safety requirements as required.

Instructors shall be thoroughly familiar with all parts of the installation and shall be trained in operating theory as well as practical operation and maintenance work. Instruction shall be given during the first regular work week after the equipment or system has been accepted and turned over to the

SECTION 26 00 00.00 20 Page 4

Government for regular operation. The number of man-days (8 hours per day) of instruction furnished shall be as specified in the individual section.

When more than 4 man-days of instruction are specified, use approximately half of the time for classroom instruction. Use other time for instruction with equipment or system. When significant changes or modifications in the equipment or system are made under the terms of the contract, provide additional instructions to acquaint the operating personnel with the changes or modifications.

PART 2 PRODUCTS

2.1 FACTORY APPLIED FINISH

Electrical equipment shall have factory-applied painting systems which shall, as a minimum, meet the requirements of NEMA 250 corrosion-resistance test and the additional requirements specified in the technical sections.

PART 3 EXECUTION

3.1 FIELD APPLIED PAINTING

Paint electrical equipment as required to match finish of adjacent surfaces or to meet the indicated or specified safety criteria. Painting shall be as specified in Section 09 90 00 PAINTS AND COATINGS.

3.2 FIELD FABRICATED NAMEPLATE MOUNTING

Provide number, location, and letter designation of nameplates as indicated. Fasten nameplates to the device with a minimum of two sheet-metal screws or two rivets.

3.3 WARNING SIGN MOUNTING

Provide the number of signs required to be readable from each accessible side, but space the signs a maximum of 30 feet apart.

-- End of Section --

SECTION 26 00 00.00 20 Page 5

SECTION 26 08 00

APPARATUS INSPECTION AND TESTING

08/08

PART 1 GENERAL

1.1 REFERENCES

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

INTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA)

NETA ATS (2017; Errata 2017) Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems

1.2 RELATED REQUIREMENTS

Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS applies to this section with additions and modifications specified herein.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-06 Test Reports

Acceptance tests and inspections; G

SD-07 Certificates

Qualifications of organization, and lead engineering technician; G

Acceptance test and inspections procedure; G

1.4 QUALITY ASSURANCE

1.4.1 Qualifications

Contractor shall engage the services of a qualified testing organization to provide inspection, testing, calibration, and adjustment of the electrical distribution system and generation equipment listed in paragraph entitled "Acceptance Tests and Inspections" herein. Organization shall be independent of the supplier, manufacturer, and installer of the equipment. The organization shall be a first tier subcontractor. No work required by this section of the specification shall be performed by a second tier subcontractor.

a. Submit name and qualifications of organization. Organization shall have been regularly engaged in the testing of electrical materials, SECTION 26 08 00 Page 1 devices, installations, and systems for a minimum of 5 years. The organization shall have a calibration program, and test instruments used shall be calibrated in accordance with NETA ATS.

b. Submit name and qualifications of the lead engineering technician performing the required testing services. Include a list of three comparable jobs performed by the technician with specific names and telephone numbers for reference. Testing, inspection, calibration, and adjustments shall be performed by an engineering technician, certified by NETA or the National Institute for Certification in Engineering Technologies (NICET) with a minimum of 5 years' experience inspecting, testing, and calibrating electrical distribution and generation equipment, systems, and devices.

1.4.2 Acceptance Tests and Inspections Reports

Submit certified copies of inspection reports and test reports. Reports shall include certification of compliance with specified requirements, identify deficiencies, and recommend corrective action when appropriate.

Type and neatly bind test reports to form a part of the final record.

Submit test reports documenting the results of each test not more than 10 days after test is completed.

1.4.3 Acceptance Test and Inspections Procedure

Submit test procedure reports for each item of equipment to be field tested at least 45 days prior to planned testing date. Do not perform testing until after test procedure has been approved.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

3.1 ACCEPTANCE TESTS AND INSPECTIONS

Testing organization shall perform acceptance tests and inspections. Test methods, procedures, and test values shall be performed and evaluated in accordance with NETA ATS, the manufacturer's recommendations, and paragraph entitled "Field Quality Control" of each applicable specification section.

Tests identified as optional in NETA ATS are not required unless otherwise specified. Equipment shall be placed in service only after completion of required tests and evaluation of the test results have been completed.

Contractor shall supply to the testing organization complete sets of shop drawings, settings of adjustable devices, and other information necessary for an accurate test and inspection of the system prior to the performance of any final testing. Contracting Officer shall be notified at least 14 days in advance of when tests will be conducted by the testing organization. Perform acceptance tests and inspections on applicable equipment and systems specified in the following sections:

a. Section 26 12 19.10 THREE-PHASE PAD-MOUNTED TRANSFORMERS

b. Section 33 71 01 OVERHEAD TRANSMISSION AND DISTRIBUTION

c. Section 33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION. Medium voltage cables and grounding systems only.

SECTION 26 08 00 Page 2

d. Section 26 11 14.00 10 MAIN ELECTRIC SUPPLY STATION AND SUBSTATION

e. Section 26 24 13 SWITCHBOARDS

3.2 SYSTEM ACCEPTANCE

Final acceptance of the system is contingent upon satisfactory completion of acceptance tests and inspections.

3.3 PLACING EQUIPMENT IN SERVICE

A representative of the approved testing organization shall be present when equipment tested by the organization is initially energized and placed in service.

-- End of Section --

SECTION 26 08 00 Page 3

SECTION 26 11 14.00 10

MAIN ELECTRIC SUPPLY STATION AND SUBSTATION

PART 1 GENERAL

1.1 REFERENCES

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

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI C12.20 (2015) Electricity Meters 0.2 and 0.5 Accuracy Classes

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2015; Errata 1 2015; Errata 2 2016) Structural Welding Code - Steel ASME

INTERNATIONAL (ASME)

ASME B31.3 (2016) Process Piping

ASME BPVC SEC IX (2010) BPVC Section IX-Welding and Brazing Qualifications

ASTM INTERNATIONAL (ASTM)

ASTM A123/A123M (2017) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A153/A153M (2016) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

ASTM A36/A36M (2014) Standard Specification for Carbon Structural Steel

ASTM A572/A572M (2015) Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

ASTM A575 (1996; E 2013; R 2013) Standard Specification for Steel Bars, Carbon, Merchant Quality, M-Grades

ASTM A576 (2017) Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality

ASTM A633/A633M (2013) Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates

SECTION 26 11 14.00 10 Page 1

ASTM B117 (2016) Standard Practice for Operating Salt Spray (Fog) Apparatus

ASTM B8 (2011; R 2017) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft

ASTM D1654 (2008; R 2016; E 2017) Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments

ASTM D2472 (2000; R 2014) Standard Specification for Sulphur Hexafluoride

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 1115 (2014) Recommended Practice for Sizing Nickel-Cadmium Batteries for Stationary Applications

IEEE 1491 (2012) Guide for Selection and Use of Battery Monitoring Equipment in Stationary Applications

IEEE 484 (2002; R 2008) Recommended Practice for Installation Design and Implementation of Vented Lead-Acid Batteries for Stationary Applications

IEEE 485 (2010) Recommended Practice for Sizing Lead-Acid Batteries for Stationary Applications

IEEE 525 (2007) Guide for the Design and Installation of Cable Systems in Substations

IEEE 80 (2013) Guide for Safety in AC Substation Grounding

IEEE 802.3 (2018) Ethernet

IEEE 81 (2012) Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System

IEEE C2 (2017; Errata 1-2 2017; INT 1 2017) National Electrical Safety Code

IEEE C37.04 (1999; R 2006; AMD 1 2003; R 2006; ERTA

2005; R 2006; AMD 2 2008; CORR 2009; INT

2010) Standard for Rating Structure for AC High-Voltage Circuit Breakers

IEEE C37.06 (2009) Standard for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis - Preferred Ratings and Related Required Capabilities for Voltage

SECTION 26 11 14.00 10 Page 2

Above 1000 V

IEEE C37.081 (1981; Supp 1997; R 2007) Guide for Synthetic Fault Testing of AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.09 (1999; AMD 1 2005; Corr 1 2007; R 2007;

Errata 2007; Amendment B 2011) Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.1 (2007) Standard for Supervisory Control, Data Acquisition (SCADA) and Automatic Systems

IEEE C37.2 (2008) Standard for Electrical Power System Device Function Numbers, Acronyms and Contact Designations

IEEE C37.30 (1997; INT 1 2011) Standard Requirements for High-Voltage Switches

IEEE C37.32 (2002) High-Voltage Switches, Bus Supports, and Accessories - Schedules of Preferred Ratings, Construction Guidelines and Specifications

IEEE C37.34 (1994) Standard Test Code for High-Voltage Air Switches

IEEE C37.41 (2016; Corr 2017) Standard Design Tests for High-Voltage (>1000 V) Fuses and Accessories

IEEE C37.90 (2005; R 2011) Standard for Relays and Relay Systems Associated With Electric Power Apparatus

IEEE C37.90.1 (2013) Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus

IEEE C57.13 (2016) Requirements for Instrument Transformers

IEEE C57.19.00 (2009; INT 1 2009; Errata 2010) Standard General Requirements and Test Procedures for Outdoor Power Apparatus Bushings

IEEE C57.19.01 (2000; R 2005; INT 1 2010) Standard Performance Characteristics and Dimensions for Outdoor Apparatus Bushings

IEEE C62.11 (2012) Standard for Metal-Oxide Surge Arresters for Alternating Current Power Circuits (>1kV)

SECTION 26 11 14.00 10 Page 3

INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)

IEC 60870-5-103 Transmission Protocols - Companion standard for the informative interface of protection equipment

IEC 61850 Standard defining communication protocols for intelligent electronic devices at electrical substations

INTERNATIONAL SOCIETY OF AUTOMATION (ISA)

ISA 18.1 (1979; R2004) Annunciator Sequences and Specifications

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

ANSI C29.1 (1988; R 2012) American National Standard for Electrical Power Insulators--Test Methods

ANSI C29.9 (2017) American National Standard for Wet-Process Porcelain Insulators - Apparatus, Post-Type

NEMA 250 (2014) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA LA 1 (2009) Standard for Surge Arresters

NEMA PB 1 (2011) Panelboards

NEMA/ANSI C12.11 (2007) Instrument Transformers for Revenue Metering, 10 kV BIL through 350 kV BIL (0.6 kV NSV through 69 kV NSV) NATIONAL

FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2017; ERTA 1-2 2017; TIA 17-1;

TIA 17-2;TIA 17-3; TIA 17-4; TIA 17-5; TIA

17-6;TIA 17-7; TIA 17-8; TIA 17-9; TIA

17-10;TIA 17-11; TIA 17-12; TIA 17-13; TIA

17-14) National Electrical Code

UNDERWRITERS LABORATORIES (UL)

UL 1236 (2015; Reprint Mar 2016) UL Standard for Safety Battery Chargers for Charging Engine-Starter Batteries

UL 467 (2013; Reprint Jun 2017) UL Standard for Safety Grounding and Bonding Equipment

UL 486A-486B (2013; Reprint Jan 2016) Wire Connectors

UL 489 (2016) UL Standard for Safety Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures

UL 50 (2015) UL Standard for Safety Enclosures

SECTION 26 11 14.00 10 Page 4 for Electrical Equipment, Non-Environmental Considerations

UL 6 (2007; Reprint Nov 2014) Electrical Rigid Metal Conduit-Steel

UL 67 (2009; Reprint Nov 2017) UL Standard for Safety Panelboards

1.2 SYSTEM DESCRIPTION

1.2.1 General

Configure the system as specified, and include structures, transformers, circuit breakers, switches, switchgear, and appurtenances to provide a fully functional system. This area is subject to salt contamination. All hardware and appurtenances shall be hot dip galvanized steel or stainless steel suitable for the environment. The Contractor shall provide and install nameplate suitable for the outdoor environment with an engineered/government provided switch number for each switching device such as but not limited to outdoor circuit breakers, gang break switches, stick operated switches, etc.

1.2.2 Service Conditions

Items provided under this section shall be specifically suitable for the following service conditions.

Frequency 60 Hz Seismic Parameters None Humidity Control Cabinet heaters Corrosive Areas Salt Contamination

1.2.3 Incoming and Outgoing Circuit Compliance

Underground circuits shall comply with the requirements of Section 33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION. Circuits in cable trays shall comply with the requirements of Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM for cable trays.

1.2.4 Detail Drawings

Submit detail drawings consisting of equipment drawings, illustrations, schedules, instructions, diagrams, and other information necessary to define the installation. Show on the detail drawings the ratings of items and systems and how the components of an item and system are assembled, function together, and how they will be installed on the project. Data and drawings for component parts of an item or system shall be coordinated and submitted as a unit. Multiple submissions for the same equipment or system are not acceptable except where prior approval has been obtained from the Contracting Officer. In such cases, a list of data to be submitted later shall be included with the first submission. Detail drawings shall show physical arrangement, construction details, connections, finishes, materials used in fabrication, provisions for conduit or busway entrance, access requirements for installation and maintenance, physical size, electrical characteristics, foundation and support details, and equipment weight. Electrical drawings shall include but not be limited to ac and dc elementary/schematic drawings; internal wiring diagram drawings; layout and nameplate drawings. Drawings shall be drawn to scale and/or dimensioned.

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Optional items shall be clearly identified as included or excluded. Detail drawings shall as a minimum include:

a. Incoming 115kV 1200A Disconnect Switch manufacturer approved assembly drawings on proposed structure with motor operator.

b. Motor operator assembly, wiring, and cabinet detail drawings.

c. Hot dip galvanized steel switch structure fabrication and assembly drawings.

d. Battery system drawings for the battery and charger, battery rack fabrication and assembly, and charger mounting.

e. 115kV Transmission Breaker SF6, 123kV, 2000A, 40kA interrupting,and 3 cycle opening time.

f. Wiring Diagram Drawings for substation equipment (relay cabinet internal and remote wiring for all equipment, relay cabinet and ac and dc panels) shall be derived from the provided ac and/or dc elementary/schematic and/or riser drawings. If no ac and/or dc elementary/schematic drawing is provided, a remote wiring diagram drawing shall be produced.

g. 90kV duty cycle voltage, 70kV maximum continuous overvoltage rating station class arresters.

h. Station Operating Diagram showing unique identifiers for all switches and breakers located within the substation.

i. Proposed grounding materials.

j. Structural or physical features of major items of station equipment and components of equipment or equipment assemblies and structures, including foundations or other types of supports for equipment and conductors. Those structural drawings shall include accurately scaled or dimensioned outline and arrangement or layout drawings to show the physical size of station equipment and component parts of the equipment and the relative arrangement of components and any physical connection of related components. Weights of equipment and components of equipment assemblies shall be provided to verify the adequacy of design and proposed construction of foundations or other types of supports.

Dynamic forces shall be stated for switching devices for the design of support structures. The appropriate detail drawings shall show the provisions for leveling, anchoring, and connecting all items of station equipment during installation, and shall include any recommendations made by the manufacturer of the equipment.

k. Electrical drawings shall include single-line and three-line diagrams of the station and station equipment, schematics or elementary diagrams of each electrical system; internal wiring and external connection diagrams of each electrical device; wiring diagrams of cabinets, panels, units, or other separate mountings; interconnection diagrams that show the wiring between separate components of assemblies;

external connection diagrams that show the termination of wiring routed between separate items of station equipment; internal wiring diagrams of equipment showing wiring as actually provided for this project.

External wiring connections shall be clearly identified.

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l. If departures from the contract drawings are deemed necessary, submit complete details of such departures, including changes in related portions of the project and the reasons therefore. Approved departures shall be made at no additional cost to the Government.

1.2.5 As-Built Drawings

The as-built drawings shall be kept at the job site and updated daily. The as-built drawings shall be a full sized set of prints marked to reflect all deviations, modifications, and changes. The as-built drawings shall be complete and show the location, size, dimensions, part identification, and other information. Additional sheets may be added.

The as-built drawings shall be jointly inspected for accuracy and completeness by the Contractor's quality control representative and by the Contracting Officer prior to the submission of each monthly pay estimate.

Upon completion of the work, submit three full sized sets of the marked prints to the Contracting Officer for approval. Keep as-built drawings prepared as a record of the construction as installed. Include in the drawings all the information shown on the contract drawings as well as all deviations, modifications, and changes from the contract drawings, however, minor. If upon review, the as-built drawings are found to contain errors and/or omissions, they will be returned to the Contractor for correction.

Correct and return the as-built drawings to the Contracting Officer for approval within ten calendar days from the time the drawings are returned to the Contractor.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

General Installation Requirements; G Detail Drawings; G As-Built Drawings; G

SD-03 Product Data

Support Structures; G Protective Devices; G Coordination Study and Relay Settings; G Battery; G Nameplates Materials and Equipment; G General Installation Requirements Onsite Tests; G

SD-06 Test Reports

Factory Tests Field Testing; G Field Test Reports; G

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SD-07 Certificates

Materials and Equipment

SD-10 Operation and Maintenance Data

Operation and Maintenance Manuals; G

1.4 DELIVERY, STORAGE, AND HANDLING

Visually inspect devices and equipment when received and prior to acceptance from conveyance. Protect stored items from the environment in accordance with the manufacturer's published instructions. Replace damaged items. Oil filled transformers and switches shall be stored in accordance with the manufacturer's requirements.

1.5 EXTRA MATERIALS

One additional spare fuse or fuse element for each furnished fuse or fuse element shall be delivered to the Contracting Officer when the electrical system is accepted. Provide two complete sets of all special tools required for maintenance, complete with a suitable tool box. Special tools are those that only the manufacturer provides, for special purposes (to access compartments, or operate, adjust, or maintain special parts).

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

Provide materials and equipment which are the standard product of a manufacturer regularly engaged in the manufacture of the product and that essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening.

a. Submit a complete itemized listing of equipment and materials proposed for incorporation into the work. Each entry shall include an item number, the quantity of items proposed, and the name of the manufacturer of each such item. Products shall conform to the following requirements. Items of the same classification shall be identical including equipment, assemblies, parts, and components. Products for aerial construction shall conform to IEEE C2 for medium loading districts, Grade B construction.

b. Where materials or equipment are specified to conform to the standards of the Underwriters Laboratories, Inc., (UL) or to be constructed or tested, or both, in accordance with the standards of the American National Standards Institute (ANSI), the Institute of Electrical and Electronics Engineers (IEEE), or the National Electrical Manufacturers Association (NEMA), submit proof that the items provided under this section of the specifications conform to such requirements.

c. The label of, or listing by, UL will be acceptable evidence that the items conform thereto. Either a certification or a published catalog specification data statement, to the effect that the item is in accordance with the referenced ANSI or IEEE standard, will be acceptable evidence that the item conforms thereto. A similar certification or published catalog specification data statement to the effect that the item is in accordance with the referenced NEMA standard, by a company listed as a member company of NEMA, will be

SECTION 26 11 14.00 10 Page 8 acceptable evidence that the item conforms thereto.

d. In lieu of such certification or published data, the Contractor may submit a certificate from a recognized testing agency equipped and competent to perform such services, stating that the items have been tested and that they conform to the requirements listed, including methods of testing of the specified agencies. Compliance with above-named requirements does not relieve the Contractor from compliance with any other requirements of the specifications.

2.2 NAMEPLATES

Submit data composed of catalog cuts, brochures, circulars, specifications, product data, and printed information in sufficient detail and scope to verify compliance with the requirements of the contract documents.

2.2.1 General

The substation shall have correct NESC signage. Each major component of this specification shall have the manufacturer's name, address, type or style, model or serial number, and catalog number on a nameplate securely attached to the equipment. Nameplates shall be made of noncorrosive metal.

As a minimum, provide nameplates for transformers, circuit breakers, meters, switches, and switchgear.

2.3 CORROSION PROTECTION

2.3.1 Aluminum Materials

Aluminum shall not be used in contact with earth or concrete. Where aluminum conductors are connected to dissimilar metal, use fittings conforming to UL 486A-486B.

2.3.2 Ferrous Metal Materials

2.3.2.1 Hardware

Ferrous metal hardware shall be hot-dip galvanized in accordance with ASTM A153/A153M and ASTM A123/A123M. All structural hardware used outdoors shall be hot dip galvanized or stainless steel at a minimum suitable for the environment. All conductor hardware shall be silicone bronze or stainless steel as appropriate.

2.3.2.2 Equipment

Equipment and component items, including but not limited to ferrous metal luminaires not hot-dip galvanized or porcelain enamel finished, shall be provided with corrosion-resistant finishes which shall withstand 480 hours of exposure to the salt spray test specified in ASTM B117 without loss of paint or release of adhesion of the paint primer coat to the metal surface in excess of 1/16 inch from the test mark. The scribed test mark and test evaluation shall be in accordance with ASTM D1654 with a rating of not less than 7 in accordance with TABLE 1, (procedure A). Cut edges or otherwise damaged surfaces of hot-dip galvanized sheet steel or mill galvanized sheet steel shall be coated with a zinc rich paint conforming to the manufacturer's standard.

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2.3.3 Finishing

Painting required for surfaces not otherwise specified and finish painting of items only primed at the factory shall be as specified in Section

09 90 00 PAINTS AND COATINGS.

2.4 STATION ARRANGEMENT

The substation consists of a motor operated disconnect switch, potential transformers, an SF6 115kV transmission breaker and power transformer and other equipment associated with the LCI drive.

The disconnect switch, 115kV transmission breaker and the transformer are to be connected using 652.4 kcmil all-aluminum-alloy-conductor (AAAC) conductor. The transformer is connected to the LCI drive and Harmonic Filter by medium voltage cable.

2.4.1 Support Structures

Provide a switch structure as shown to support the disconnect switches, potential transformers (115kV potential transformers). Steel structural items shall conform to Section 05 12 00 STRUCTURAL STEEL. Structures, except for incoming primary lines, shall be of the low-profile type.

Structures shall utilize round or rectangular tubular steel construction or equivalent H/I-beam support elements.

Lattice type supports are not acceptable. Submit manufacturer's design analysis and calculations for structures, foundations, anchor bolts, and supports differing from those indicated in the contract drawings, and for prefabricated structures. Calculations shall be made by a registered professional engineer with demonstrated experience in substation structural design in the last three years. The manufacturer shall provide a list of projects complete with points of contact, addresses and telephone numbers. Structural steel and miscellaneous items shall comply with ASTM A36/A36M, ASTM A572/A572M, ASTM A575, ASTM A576 or ASTM A633/A633M.

General configurations are indicated. Exact dimensions and arrangements may be varied, dependent upon site limitations, to permit use of a manufacturer's standard equipment and structures.

2.4.1.1 Structure Finish

Steel structures shall be hot-dip galvanized in accordance with ASTM A123/A123M after drilling is completed and shall not be painted.

2.4.1.2 Structure Foundation Design

Structure foundation design shall be as indicated. If the manufacturer's standard structures differ in dimensions from those shown, modify foundation design to suit the structures provided, at no additional cost to the Government. Maximum earth-bearing pressure shall be calculated at 2000 psf.

2.4.2 Conductors

Conductors shall be 6201 alloy all-aluminum-alloy-conductor 652.4 kcmil-19 strand Elgin AAAC.The conductor shall comply with IEEE 525.

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2.4.2.1 Apparatus Post Insulators

Apparatus post insulators shall be resistive glaze coating (RG coating).

Minimum ratings of apparatus post insulators shall be not less than ANSI C29.9, Technical Reference Number 286.

2.4.2.2 Instrument and Relay Cabinet

Provide enclosure(s) for housing instruments, relays, and devices specified and in compliance with IEEE C2.Install devices such as instruments, relays, and control and transfer switches in the instrument and relay cabinet.

Enclosures shall comply with paragraph "Cabinets and Enclosures" specified hereinafter. The cabinet shall be NEMA Type 1A. Cable tray, conduits, fittings, raceways, etc., shall be provided for mounting and connection to the associated equipment. This Standard enclosure equipment shall include the following:

a. The cabinet shall be constructed and installed such that there is access via a front and rear door. The access shall comply with all requirements in IEEE C2.

b. A light connected to a cabinet door-actuated switch, so that the light is energized only when doors are open.

c. A heater continuously energized to prevent condensation within the cabinet over an ambient temperature range of minus 20 to 104 degrees F.

Connect the heater and thermostat contact to a cabinet door-actuated switch, so that the heater is de-energized when the cabinet door or doors are open. High temperature thermal protection shall be included.

d. One-pole or two-pole fuses suitable for the operating voltage and current of the heater and light circuits.

e. One-pole, two-pole or three-pole fuses suitable for voltage and current of potential transformer circuits.

f. One-pole or two pole fuses suitable for the voltage and current of the dc control circuits.

g. Test devices/test switches and terminal blocks shall be as specified hereinafter.

h. Meter and protective relays shall be as specified hereinafter.

i. Breaker Control, Switch Control, and Selector Switches shall be as specified hereinafter.

j. All wiring for secondary current transformer circuits shall be #10 AWG 105 Strand type SIS complete from the terminal blocks to the meter and protective relay inputs. Compression terminals shall be ring type non-insulated plated copper solid sleeve. Installation tooling shall meet terminal manufacturer's recommendations.

k. Fabrication drawings and component layout detail drawings shall be provided for approval prior to beginning cabinet construction.

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2.4.3 Interface Junction Box

A NEMA 4X aluminum enclosure, including back plate, shall be provided for the interfacing of the controls, indication, and alarms to and from the Duke Energy. The enclosure shall comply with IEEE C2 and with paragraph "Cabinets and Enclosures". The enclosure shall include the following:

a. Terminal blocks of sufficient terminal points and quantity to accommodate all required interface points. The terminal blocks shall be as specified hereinafter.

b. All wiring terminals and appurtenances shall be provided.

2.5 LINE SWITCHES

2.5.1 Ratings

Ratings at 60 Hz shall be in accordance with IEEE C37.32 and as follows:

Nominal voltage 115kV Rated maximum voltage 121kV 3-Second short time current carrying capacity 61kA Rated continuous current (kA) 1200A BIL 550kV

2.5.2 Standard Devices and Accessories

One set of special tools, as necessary for servicing, shall be provided.

2.5.3 Group-Operated 115kV Disconnect Switch

Group-operated 115kV Disconnect switches shall be air-insulated with motor -type operators. Group-operated disconnect switch shall comply with IEEE C37.32, IEEE C37.30, and IEEE C37.34, and shall be three-pole, single-throw, provided with a mechanism which opens the three phases simultaneously. Group-operated switches shall be motor operated.

2.5.3.1 Air-Insulated

Air-insulated switches shall be of the vertical-break type, with rotating insulators, for horizontal upright mounting. Contact surfaces shall be silver. The switching capability required shall be of the disconnecting type. Switches shall be provided with replaceable contacts, arc horns, and other moving parts which have a limited life expectancy.

2.5.3.2 Switch Characteristics

The current carrying parts shall consist of high conductivity, high strength aluminum. The current path shall consist of stainless steel hardware such as bolts, nuts, and pins. All other non-current carrying parts shall be hot dip galvanized steel or stainless steel.

2.5.4 Disconnecting Type, Air-Insulated

Disconnecting switches shall be provided with quick-break arcing horns rated for interrupting transformer exciting currents or line charging currents, dependent upon the application. A switch used to protect a power transformer shall be key-interlocked with its associated transformer's tap changer for de-energized operation (TCDO) and its load side circuit breaker

SECTION 26 11 14.00 10 Page 12 disconnect, so that the manual TCDO can be operated only when the transformer is de-energized, and so that the switch can be only opened or closed after its associated circuit breaker has been placed in the open position. A permanent warning sign having letters at least 2 inches high and reading as follows: "WARNING - DISCONNECTING SWITCH - DO NOT OPEN UNDER LOAD" shall be mounted on the switch operating mechanism.

2.5.5 Switch Operators

Motor operators shall be 125-volt dc, gear-coupled motor…