SOW RML CAMPUS ELECTRICAL MAINTENANCE - ATTACHMENT A - TESTING REQUIREMENTS JUNE 2021.pdf

ATTACHMENT A

TESTING REQUIREMENTS

CONTENTS

1. GENERAL SCOPE

2. APPLICABLE REFERENCES

2.1 Codes, Standards, and Specifications

3. QUALIFICATIONS OF TESTING ORGANIZATION AND PERSONNEL

3.1 Testing Organization

3.2 Testing Personnel

4. DIVISION OF RESPONSIBILITY

4.1 The Owner’s Representative

4.2 The Testing Organization

5. GENERAL

5.1 Safety and Precautions

5.2 Suitability of Test Equipment

5.3 Test Instrument Calibration

5.4 Test Report

5.5 Test Decal

6. POWER SYSTEM STUDIES

6.1 Short-Circuit Studies

7. INSPECTION AND COMMISSIONING PROCEDURES

7.1 Switchgear and Switchboard Assemblies

7.2.2 Transformers, Liquid-Filled

7.3.1 Cables, Low-Voltage,

7.3.2 Cables, Medium- and High-Voltage

7.5.1.1 Switches, Oil, Medium-Voltage, Metal-Enclosed

7.6.1.1 Circuit Breakers, Air, Insulated-Case/Molded-Case

7.6.1.1 Circuit Breakers, Low-Voltage Power

7.6.2 Circuit Breakers, Vacuum, Medium-Voltage

7.9.1 Protective Relays, Microprocessor-Based

7.11.1 Metering Devices, Electromechanical and Solid-State

7.18 Direct-Current Systems

7.19.1 Surge Arresters, Low-Voltage

7.22.2 Emergency Systems, Automatic Transfer Switches

1. GENERAL SCOPE

1. Refer to the Statement of Work for specific work to be provided.

2. These specifications cover the suggested field tests and inspections that are available to assess the suitability for initial energization and final acceptance of electrical power equipment and systems.

3. The purpose of these specifications is to assure that tested electrical equipment and systems are operational, are within applicable standards and manufacturer's tolerances, and are installed in accordance with design specifications.

4. The work specified in these specifications may involve hazardous voltages, materials, operations, and equipment. These specifications do not purport to address all of the safety issues associated with their use. It is the responsibility of the user to review all applicable regulatory limitations prior to the use of these specifications

2. APPLICABLE REFERENCES

2.1 Codes, Standards, and Specifications

All inspections and field tests shall be in accordance with the latest edition of the following codes, standards, and specifications except as provided otherwise herein.

1. American National Standards Institute – ANSI

2. ASTM International - ASTM

ASTM D92 Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester

ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (the Calculation of Dynamic Viscosity)

ASTM D664 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration

ASTM D877 Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids using Disk Electrodes

ASTM D923 Standard Practices for Sampling Electrical Insulating Liquids

ASTM D924 Standard Test Method for Dissipation Factor (or Power Factor) and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids

ASTM D971 Standard Test Method for Interfacial Tension of Oil against Water by the Ring Method

ASTM D974 Standard Test Method for Acid and Base Number by Color-Indicator Titration

ASTM D1298 Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

ASTM D1500 Standard Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

ASTM D1524 Standard Test Method for Visual Examination of Used Electrical Insulating Liquids in the Field

ASTM D1533 Standard Test Methods for Water in Insulating Liquids by Coulometric Karl Fischer Titration

ASTM D1816 Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using VDE Electrodes

ASTM D2029 Standard Test Methods for Water Vapor Content of Electrical Insulating Gases by Measurement of Dew Point

ASTM D2129 Standard Test Method for Color of Clear Electrical Insulating Liquids (Platinum-Cobalt Scale)

ASTM D2284 Standard Test Method of Acidity of Sulfur Hexafluoride

ASTM D2472 Standard Specification for Sulphur Hexafluoride

ASTM D2477 Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Insulating Gases at Commercial Power Frequencies

ASTM D2685 Standard Test Method for Air and Carbon Tetrafluoride in Sulfur Hexafluoride by Gas Chromatography

ASTM D2759 Standard Practice for Sampling Gas from a Transformer under Positive Pressure

ASTM D3284 Standard Practice for Combustible Gases in the Gas Space of Electrical Apparatus Using Portable Meters

ASTM D3612 Standard Test Method for Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography

ASTM D4052 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter

ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC)

3. Association of Edison Illuminating Companies - AEIC

4. Canadian Standards Association - CSA

5. Electrical Apparatus Service Association - EASA

EASA AR100 Recommended Practice for the Repair of Rotating Electrical Apparatus

6. Institute of Electrical and Electronic Engineers - IEEE

IEEE C2 National Electrical Safety Code

IEEE C37 Guides and Standards for Circuit Breakers, Switchgear, Relays, Compilation Substations, and Fuses

IEEE C57 Distribution, Power, and Regulating Transformers Compilation

IEEE C62 Surge Protection Compilation

IEEE C93.1 Requirements for Power-Line Carrier Coupling Capacitors and Coupling Capacitor Voltage Transformers (CCVT)

IEEE 43 IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery

IEEE 48 IEEE Standard for Test Procedures and Requirements for Alternating- Current Cable Terminations Used on Shielded Cables Having Laminated Insulation Rated 2.5 kV through 765 kV or Extruded Insulation Rated 2.5 kV through 500 kV

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

IEEE 95 IEEE Recommended Practice for Insulation Testing of Large AC Rotating Machinery with High Direct Voltage

IEEE 100 The Authoritative Dictionary of IEEE Standards Terms

IEEE 141 IEEE Recommended Practice for Electrical Power Distribution for Industrial Plants (IEEE Red Book)

IEEE 142 IEEE Recommended Practice for Grounding of Industrial and Commercial Power Systems (IEEE Green Book)

IEEE 241 IEEE Recommended Practice for Electric Power Systems in Commercial Buildings (Gray Book)

IEEE 242 IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems (Buff Book)

IEEE 386 IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems above 600 V

IEEE 399 IEEE Recommended Practice for Power Systems Analysis (Brown Book)

IEEE 400 IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems Rated 5 kV and Above

IEEE 400.1 IEEE Guide for Field Testing of Laminated Dielectric, Shielded Power Cable Systems Rated 5 kV and Above with High Direct Current Voltage

IEEE 400.2 IEEE Guide for Field Testing of Shielded Power Cable Systems Using Very Low Frequency (VLF)(less than 1 Hz)

IEEE 400.3 IEEE Guide for Partial Discharge Testing of Shielded Power Cable Systems in a Field Environment

IEEE 400.4 IEEE Guide for Field Testing of Shielded Power Cable Systems Rated 5 kV and Above with Damped Alternating Current (DAC) Voltage

IEEE 421.3 IEEE Standard for High-Potential-Test Requirements for Excitation Systems for Synchronous Machines

IEEE 446 IEEE Recommended Practice for Emergency and Standby Power Systems for Industrial and Commercial Applications (Orange Book)

IEEE 450 IEEE Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications

IEEE 493 IEEE Recommended Practice for the Design of Reliable Industrial and Commercial Power Systems (Gold Book)

IEEE 519 IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems

IEEE 602 IEEE Recommended Practice for Electric Systems in Health Care Facilities (White Book)

IEEE 637 IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use

IEEE 644 Procedures for Measurement of Power Frequency Electric and Magnetic Fields from AC Power Lines

IEEE 739 IEEE Recommended Practice for Energy Management in Commercial and Industrial Facilities (Bronze Book)

IEEE 1015 IEEE Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems (Blue Book)

IEEE 1100 IEEE Recommended Practice for Powering and Grounding Sensitive Electronic Equipment (Emerald Book)

IEEE 1106 IEEE Recommended Practice for Maintenance, Testing, and Replacement of Nickel-Cadmium Batteries for Stationary Applications

IEEE 1159 IEEE Recommended Practice on Monitoring Electrical Power Quality

IEEE 1188 IEEE Recommended Practice for Maintenance, Testing, and Replacement of Valve-Regulated Lead-Acid (VRLA) Batteries for Stationary Applications

IEEE 1584 IEEE Guide for Arc-Flash Hazard Calculations

IEEE 3007.3 Recommended Practice for Electrical Safety in Industrial and Commercial Power Systems

7. Insulated Cable Engineers Association – ICEA

ICEA

S-93-639/NEMA

WC 74

5-46 kV Shielded Power Cable for Use in the Transmission and Distribution of Electric Energy

ICEA

S-94-649

Standard for Concentric Neutral Cables Rated 5,000 - 46,000 Volts

ICEA

S-97-682

Standard for Utility Shielded Power Cables Rated 5,000 - 46,000 Volts

8. InterNational Electrical Testing Association - NETA

ANSI/NETA ECS Standard for Electrical Commissioning of Electrical Power Equipment and Systems

ANSI/NETA ETT Standard for Certification of Electrical Testing Technicians

ANSI/NETA MTS Maintenance Testing Specifications for Electrical Power Equipment and Systems

9. National Electrical Manufacturers Association - NEMA

NEMA AB4 Guidelines for Inspection and Preventive Maintenance of Molded- Case Circuit Breakers Used in Commercial and Industrial Applications

NEMA 84.1 Electrical Power Systems and Equipment Voltage Ratings (60 Hz)

NEMA MG1 Motors and Generators

10. National Fire Protection Association - NFPA

NFPA 70 National Electrical Code

NFPA 70B Recommended Practice for Electric Equipment Maintenance

NFPA 70E Standard for Electrical Safety in the Workplace

NFPA 99 Health Care Facilities Code

NFPA 101 Life Safety Code

NFPA 110 Emergency and Standby Power Systems

NFPA 111 Standard on Stored Electrical Energy Emergency Systems and Standby Power Systems

NFPA 780 Installation of Lightning Protection Systems

11. Occupational Safety and Health Administration - OSHA

12. State and local codes and ordinances

13. Underwriters Laboratories, Inc. - UL

3. QUALIFICATIONS OF TESTING ORGANIZATION AND

PERSONNEL

3.1 Testing Organization

1. Testing and maintenance of circuit breakers and protective relays shall be an organization having a designation of NETA Accredited Company issued by the InterNational Electrical Testing Association meets the above criteria.

2. Testing of medium voltage cables and transformer inspections and sampling shall be performed by contractor with past experience on a minimum of (5) similar projects.

3. The testing organization shall be which can function as an unbiased testing authority, professionally independent of the manufacturers, suppliers, and installers of equipment or systems being evaluated.

4. The testing organization shall be regularly engaged in the testing of electrical equipment devices, installations, and systems.

5. The testing organization shall use technicians who are regularly employed for testing services.

6. The testing organization shall submit appropriate documentation to demonstrate that it satisfactorily complies with these requirements.

3.2 Testing Personnel

1. Technicians performing these electrical tests and inspections shall be trained and experienced concerning the apparatus and systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must evaluate the test data and make a judgment on the serviceability of the specific equipment.

2. Technicians shall be certified in accordance with ANSI/NETA ETT, Standard for Certification of Electrical Testing Technicians. Each on-site crew leader shall hold a current certification, Level 3 or higher, in electrical testing.

4. DIVISION OF RESPONSIBILITY

4.1 The Owner’s Representative

The owner’s representative shall provide the testing organization with the following:

1. Tables with the device settings per the owners current Electrical Distribution System Coordination System.

2. Electrical Plans and O&M manuals for equipment to be tested.

3. An itemized description of equipment to be inspected and tested.

4. A determination of who shall provide a suitable and stable source of electrical power to each test site.

5. Notification of when equipment becomes available for acceptance tests. Work shall be coordinated to expedite project scheduling.

6. Site-specific hazard notification and safety training.

4.2 The Testing Organization

The testing organization shall provide the following:

1. All field technical services, tooling, equipment, instrumentation, and technical supervision to perform such tests and inspections.

2. Specific power requirements for test equipment.

3. Notification to the owner’s representative prior to commencement of any testing.

4. A timely notification of any system, material, or workmanship that is found deficient based on the results of the acceptance tests.

5. A written record of all tests and a final report.

5. GENERAL

5.1 Safety and Precautions

All parties involved must be cognizant of industry-standard safety procedures. This document does not contain any procedures including specific safety procedures. It is recognized that an overwhelming majority of the tests and inspections recommended in these specifications are potentially hazardous.

Individuals performing these tests shall be qualified and capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved.

1. Safety practices shall include, but are not limited to, the following requirements:

1. All applicable provisions of the Occupational Safety and Health Act, particularly OSHA 29 CFR Part 1910 and 29 CFR Part 1926.

2. ANSI/NFPA 70E, Standard for Electrical Safety in the Workplace.

3. Applicable state and local safety operating procedures.

4. Owner’s safety practices.

2. The testing organization shall have a designated safety lead person on site to supervise operations with respect to safety.

3. A job hazard analysis and a safety briefing shall be conducted prior to the commencement of work.

4. All tests shall be performed with the apparatus de-energized and grounded except where otherwise specifically required to be ungrounded or energized for certain tests.

5. The testing organization shall have a designated safety representative on the project to supervise operations with respect to safety. This individual may be the same person described in 5.1.2.

5.2 Suitability of Test Equipment

1. All test equipment shall meet the requirements in Section 5.3 and be in good mechanical and electrical condition.

2. Field test metering used to check power system meter calibration must be more accurate than the instrument being tested.

3. Accuracy of metering in test equipment shall be appropriate for the test being performed.

4. Waveshape and frequency of test equipment output waveforms shall be appropriate for the test to be performed and the equipment to be tested.

5.3 Test Instrument Calibration

1. The testing organization shall have a calibration program which assures that all applicable test instruments are maintained within rated accuracy for each test instrument calibrated.

2. The firm providing calibration service shall maintain up-to-date instrument calibration instructions and procedures for each test instrument calibrated.

3. The accuracy shall be directly traceable to the National Institute of Standards and Technology (NIST).

4. Instruments shall be calibrated in accordance with the following frequency schedule:

1. Field instruments: Analog and Digital, 12 months maximum.

2. Laboratory instruments: 12 months maximum.

3. Leased specialty equipment: 12 months maximum.

5. Dated calibration labels shall be visible on all test equipment.

6. Records which show date and results of instruments calibrated or tested must be kept up to date.

7. Calibrating standard shall be of better accuracy than that of the instrument tested.

5.4 Test Report

1. The test report shall include the following:

1. Summary of project.

2. Description of equipment tested.

3. Description of tests.

4. Device settings.

5. Test data.

6. Analysis and recommendations.

2. Test data records shall include the following minimum requirements:

1. Identification of the testing organization.

2. Equipment identification.

3. Nameplate data.

4. Humidity, temperature, and other conditions that may affect the results of the tests and/or calibrations.

5. Date of inspections, tests, maintenance, and/or calibrations.

6. Identification of the testing technician.

7. Indication of inspections, tests, maintenance, and/or calibrations to be performed and recorded.

8. Indication of expected results when calibrations are to be performed.

9. Indication of as-found and as-left results, as applicable.

10. Identification of all test results outside of specified tolerances.

11. Sufficient spaces to allow all results and comments to be indicated.

3. The testing organization shall furnish a copy or copies of the complete report as specified in the acceptance testing contract.

5.5 Test Decal

1. The testing organization shall affix a test decal on the exterior of equipment or equipment enclosure of protective devices after performing electrical tests.

2. The decal shall include:

1. Testing organization

2. Project identifier

3. Test date

4. Technician identifier

6. POWER SYSTEM STUDIES

6.1 Short-Circuit Studies

1. Recommended Devices Settings shall be provided by the owner.

7. INSPECTION AND COMMISSIONING PROCEDURES

7.1 Switchgear and Switchboard Assemblies

A. Visual and Mechanical Inspection

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, grounding, and required area clearances.

4. Verify that wiring connections are tight and that wiring is secure to prevent damage during routine operation of moving parts.

5. Inspect bolted electrical connections for high resistance using the following method:

1. Perform thermographic survey.

6. Verify operation and sequencing of interlocking systems.

7. Verify appropriate lubrication on moving current-carrying parts and on moving and sliding surfaces.

8. Inspect insulators for evidence of physical damage or contaminated surfaces.

9. Verify correct barrier and shutter installation and operation.

10. Exercise all active components.

11. Inspect mechanical indicating devices for correct operation.

12. Verify that filters are in place and vents are clear.

13. Perform visual and mechanical inspection of instrument transformers.

14. Perform visual and mechanical inspection of surge arresters.

15. Inspect control power transformers.

1. Inspect for physical damage, cracked insulation, broken leads, tightness of connections, defective wiring, and overall general condition.

B. Test Values – Visual and Mechanical

1. Results of the thermographic survey shall be in accordance with Section 9.

7.2.2 Transformers, Liquid-Filled

A. Visual and Mechanical Inspection

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, and grounding.

4. Verify the presence of PCB content labeling.

5. Verify the bushings are clean.

6. Verify operation of temperature and level indicators, and pressure relief device.

7. Inspect bolted electrical connections for high resistance using one or more of the following methods:

1. Use of a low-resistance ohmmeter in accordance with Section 7.2.2.B.1.

2. Verify tightness of accessible bolted electrical connections by calibrated torque-wrench method in accordance with manufacturer’s published data or Table 100.12.

3. Perform thermographic survey in accordance with Section 9.

8. Verify correct liquid level in tanks and bushings.

9. Verify valves are in the correct operating position.

10. Verify that positive pressure is maintained on gas-blanketed transformers.

11. Perform inspections and mechanical tests as recommended by the manufacturer.

13. Verify presence of transformer surge arresters.

14. Verify de-energized tap-changer position is left as specified.

B. Electrical Tests

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter if applicable.

9. Remove a sample of insulating liquid in accordance with ASTM D 923. Sample shall be tested for the following.

1. Dielectric breakdown voltage: ASTM D 877 and/or ASTM D 1816

2. Acid neutralization number: ANSI/ASTM D 974

3. Specific gravity: ANSI/ASTM D 1298

4. Interfacial tension: ANSI/ASTM D 971

5. Color: ANSI/ASTM D 1500

6. Visual Condition: ASTM D 1524

7. Water in insulating liquids: ASTM D 1533.

10. Remove a sample of insulating liquid in accordance with ASTM D923 and perform dissolved-gas analysis (DGA) in accordance with ANSI/IEEE C57.104 or ASTM D3612.

11. Test instrument transformers.

C. Test Values – Visual and Mechanical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12.

3. Results of the thermographic survey shall be in accordance with Section 9.

4. Liquid levels in the transformer tanks and bushings shall be within indicated tolerances.

5. Positive pressure shall be indicated on pressure gauge for gas-blanketed transformers.

D. Test Values – Electrical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Investigate the presence of oxygen in the nitrogen gas blanket.

3. Insulating liquid values shall be in accordance with Table 100.4.

4. Evaluate results of dissolved-gas analysis in accordance with ANSI/IEEE Standard C57.104.

5. Compare grounding impedance device values to manufacturer’s published data.

7.3.1 Cables, Low-Voltage, Not Used

7.3.2 Cables, Medium- and High-Voltage

A. Visual and Mechanical Inspection

1. Compare cable data with drawings and specifications.

2. Inspect exposed sections of cables for physical damage.

3. Inspect bolted electrical connections for high resistance using the following methods:

1. Perform a thermographic survey in accordance with Section 9.

4. Inspect compression-applied connectors for correct cable match and indentation.

5. Inspect shield grounding, cable supports, and terminations.

6. Verify that visible cable bends meet or exceed ICEA and manufacturer’s minimum published bending radius.

7. Inspect cable jacket and insulation condition.

B. Electrical Tests

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable.

2. Perform an insulation-resistance test individually on each conductor and each shield with all other conductors and shields grounded. Apply voltage in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

3. Perform a shield-continuity test on each power cable.

4. Perform cable time domain reflectometer (TDR) measurements on each conductor.

5. In accordance with ICEA, IEC, IEEE and other power cable consensus standards, testing can be performed by means of direct current, power frequency alternating current, very low frequency alternating current, or damped alternating current (DAC). These sources may be used to perform insulation-withstand tests, and baseline diagnostic tests such as partial discharge analysis, and power factor or dissipation factor. The selection shall be made after an evaluation of the available test methods and a review of the installed cable system. Some of the available test methods are listed below.

1. Dielectric Withstand

1. Very low frequency (VLF) dielectric withstand voltage

2. Baseline Diagnostic Tests

1. Power factor/ dissipation factor (tan delta)

C. Test Values – Visual and Mechanical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value. (7.3.3.A.3.1)

2. Bolt-torque levels should be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12. (7.3.3.A.3.2)

3. Results of the thermographic survey shall be in accordance with Section 9. (7.3.3.A.3.3)

4. The minimum bend radius to which insulated cables may be bent for permanent training shall be in accordance with Table 100.22. (7.3.3.A.6)

D. Test Values – Electrical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Insulation-resistance values shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated.

3. Shielding shall exhibit continuity. Investigate resistance values in excess of ten ohms per 1000 feet of cable.

4. TDR graphical measurements should clearly identify the cable length and characteristic should be consistent with other phases.

5.1 If no evidence of distress or insulation failure is observed by the end of the total time of voltage application during the test, the test specimen is considered to have passed the test.

5.2 Based on the test methodology chosen, refer to applicable standards or manufacturer’s literature for acceptable values.

7.5.1.1 Switches, Oil, Medium-Voltage, Metal-Enclosed

A. Visual and Mechanical Inspection

1. Inspect physical and mechanical condition.

2. Inspect anchorage, alignment, grounding, and required clearances.

3. Prior to cleaning the unit, perform as-found tests, if required.

4. Clean the unit.

5. Perform mechanical operator tests in accordance with manufacturer’s published data.

6. Verify correct operation and adjustment of motor operator limit switches and mechanical interlocks.

7. Verify that each fuseholder has adequate mechanical support and contact integrity.

8. Verify that fuse sizes and types are in accordance with drawings, short circuit studies, and coordination study.

9. Inspect bolted electrical connections for high resistance using one or more of the following methods:

1. Use of a low-resistance ohmmeter in accordance with Section 7.5.2.B.1.

2. Verify tightness of accessible bolted electrical connections by calibrated torque- wrench method in accordance with manufacturer’s published data or Table 100.12.

3. Perform a thermographic survey in accordance with Section 9.

10. Verify that insulating oil level is correct.

11. Inspect and/or replace gaskets as recommended by the manufacturer.

12. Use appropriate lubrication on moving current-carrying parts and on moving and sliding surfaces.

B. Electrical Tests

1 Remove a sample of insulating liquid in accordance with ASTM D923. Sample shall be tested in accordance with the referenced standard.

1. Dielectric breakdown voltage: ASTM D877

2. Color: ANSI/ASTM D1500

3. Visual condition: ASTM D1524

C. Test Values – Visual and Mechanical values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12. (7.5.1.2.A.9.2)

3. Results of the thermographic survey shall be in accordance with Section 9.

1. Insulating liquid values shall be in accordance with Manufacturers recomendations.

7.6.1.1 Circuit Breakers, Air, Insulated-Case/Molded-Case

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage and alignment.

4. Verify the unit is clean.

5. Operate the circuit breaker to insure smooth operation.

6. Inspect bolted electrical connections for high resistance using one or more of the following methods:

1. Verify tightness of accessible bolted electrical connections by calibrated torque-wrench method in accordance with manufacturer’s published data or Table 100.12.

3. Perform thermographic survey in accordance with Section 9.

7. Inspect operating mechanism, contacts, and arc chutes in unsealed units.

8. Perform adjustments for final protective device settings in accordance with the coordination study.

B. Electrical Tests

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable.

2. Perform insulation-resistance tests for one minute on each pole, phase-to-phase and phase-to- ground with the circuit breaker closed, and across each open pole. Apply voltage in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

3. Perform a contact/pole-resistance test.

5. Determine long-time pickup and delay by primary current injection.

6. Determine short-time pickup and delay by primary current injection.

7. Determine ground-fault pickup and time delay by primary current injection.

8. Determine instantaneous pickup by primary current injection.

10. Perform minimum pickup voltage tests on shunt trip and close coils in accordance with manufacturer’s published data.

11. Verify correct operation of auxiliary features such as trip and pickup indicators, zone interlocking, electrical close and trip operation, trip-free, anti-pump function, and trip unit battery condition. Reset all trip logs and indicators.

12. Verify operation of charging mechanism.

C. Test Values – Visual and Mechanical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value. (7.6.1.1.A.6.1)

2. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12. (7.6.1.1.A.6.2)

3. Results of the thermographic survey shall be in accordance with Section 9.

4. Settings shall comply with coordination study recommendations. (7.6.1.1.A.8)

D. Test Values – Electrical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Insulation-resistance values shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated.

3. Microhm or dc millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s published data is not available, investigate values that deviate from adjacent poles or similar breakers by more than 50 percent of the lowest value.

4. Insulation-resistance values of control wiring shall not be less than two megohms.

5. Long-time pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current characteristic tolerance band, including adjustment factors. If manufacturer’s curves are not available, trip times shall not exceed the value shown in Table 100.7.

6. Short-time pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current tolerance band.

7. Ground fault pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current tolerance band.

8. Instantaneous pickup values shall be as specified and within manufacturer’s published tolerances. In the absence of manufacturer’s published data, refer to Table 100.8.

9. Pickup values and trip characteristics shall be within manufacturer’s published tolerances.

10. Minimum pickup voltage of the shunt trip and close coils shall conform to the manufacturer’s published data. In the absence of the manufacturer’s published data, refer to Table 100.20.

11. Breaker open, close, trip, trip-free, anti-pump, and auxiliary features shall function as designed.

12. The charging mechanism shall operate in accordance with manufacturer’s published data.

7.6.1.1 Circuit Breakers, Low-Voltage Power

A. Visual and Mechanical Inspection

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, and grounding.

4. Verify that all maintenance devices are available for servicing and operating the breaker.

5. Verify the unit is clean.

6. Verify the arc chutes are intact.

7. Inspect moving and stationary contacts for condition and alignment.

8. Verify that primary and secondary contact wipe and other dimensions vital to satisfactory operation of the breaker are correct.

9. Perform all mechanical operator and contact alignment tests on both the breaker and its operating mechanism in accordance with manufacturer’s published data.

10. Inspect bolted electrical connections for high resistance using one or more of the following methods:

1. Verify tightness of accessible bolted electrical connections by calibrated torque-wrench method in accordance with manufacturer’s published data or Table 100.12.

2. Perform a thermographic survey in accordance with Section 9.

11. Verify cell fit and element alignment.

12. Verify racking mechanism operation.

13. Verify appropriate lubrication on moving current-carrying parts and on moving and sliding surfaces.

14. Perform adjustments for final protective device settings in accordance with coordination study provided by end user.

15. Record as-found and as-left operation counter readings.

B. Electrical Tests

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable.

2. Perform insulation-resistance tests for one minute on each pole, phase-to-phase and phase-to- ground with the circuit breaker closed, and across each open pole. Test voltage shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

3. Perform a contact/pole-resistance test.

4. Determine long-time pickup and delay by primary current injection.

5. Determine short-time pickup and delay by primary current injection.

6. Determine ground-fault pickup and delay by primary current injection.

7. Determine instantaneous pickup value by primary current injection.

8. Perform minimum pickup voltage tests on shunt trip and close coils in accordance with manufacturer’s published data.

9. Verify correct operation of any auxiliary features such as trip and pickup indicators, zone interlocking, electrical close and trip operation, trip-free, antipump function, and trip unit battery condition. Reset all trip logs and indicators.

10. Verify operation of charging mechanism.

C. Test Values – Visual and Mechanical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12.

3. Results of the thermographic survey shall be in accordance with Section 9.

4. Settings shall comply with coordination study recommendations.

5. Operations counter shall advance one digit per close-open cycle.

D. Test Values – Electrical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Insulation-resistance values of circuit breakers shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated.

3. Microhm or dc millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. In the absence of manufacturer’s published data, investigate values that deviate from adjacent poles or similar breakers by more than 50 percent of the lowest value

4. Insulation-resistance values of control wiring shall not be less than two megohms.

5. Long-time pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current characteristic tolerance band, including adjustment factors. If manufacturer’s curves are not available, trip times shall not exceed the value shown in Table 100.7.

6. Short-time pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current tolerance band.

7. Ground fault pickup values shall be as specified, and the trip characteristic shall not exceed manufacturer’s published time-current tolerance band.

8. Instantaneous pickup values shall be as specified and within manufacturer’s published tolerances. In the absence of manufacturer’s published data, refer to Table 100.8.

9. Pickup values and trip characteristic shall be as specified and within manufacturer’s published tolerances.

10. Minimum pickup voltage of the shunt trip and close coils shall conform to the manufacturer’s published data. In the absence of the manufacturer’s published data, refer to Table 100.20.

11. Auxiliary features shall operate in accordance with manufacturer’s published data.

12. The charging mechanism shall operate in accordance with manufacturer’s published data.

7.6.2 Circuit Breakers, Vacuum, Medium-Voltage

A. Visual and Mechanical Inspection

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, and grounding.

4. Verify that all maintenance devices such as special tools and gauges specified by the manufacturer are available for servicing and operating the breaker.

5. Verify the unit is clean.

6. Perform all mechanical operation tests on the operating mechanism in accordance with manufacturer’s published data.

7. Measure critical distances such as contact gap as recommended by manufacturer.

8. Inspect bolted electrical connections for high resistance using following method:

1. Perform thermographic survey in accordance with Section 9.

9. Verify cell fit and element alignment.

10. Verify racking mechanism operation.

11. Verify appropriate lubrication on moving, current-carrying parts and on moving and sliding surfaces.

12. Perform contact-timing test.

13. Record as-found and as-left operation counter readings.

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable.

2. Perform insulation-resistance tests for one minute on each pole, phase-to-phase and phase-to- ground with the circuit breaker closed, and across each open pole. Test voltage shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

3. Perform a static contact/pole-resistance test.

6. Perform minimum pickup voltage tests on trip and close coils in accordance with manufacturer’s published data.

7. Verify correct operation of any auxiliary features such as electrical close and trip operation, trip-free, and antipump function.

8. Trip circuit breaker by operation of each protective device. Reset all trip logs and indicators.

9. Perform vacuum bottle integrity (dielectric withstand voltage) test across each vacuum bottle with the breaker in the open position in strict accordance with manufacturer’s published data.

10. Perform a dielectric withstand voltage test in accordance with manufacturer’s published data.

11. Verify operation of heaters.

12. Test instrument transformers in accordance with Section 7.10.

C. Test Values – Visual and Mechanical

1. Critical distance measurements such as contact gap shall be in accordance with the manufacturer’s published data. (7.6.3.A.7)

2. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value. (7.6.3.A.8.1)

3. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12.

4. Results of the thermographic survey shall be in accordance with Section 9.

5. Contact timing values shall be in accordance with manufacturer’s published data.

6. Trip/close coil current values shall be in accordance with manufacturer’s published data.

7. Travel and velocity values shall be in accordance with manufacturer’s published data.

8. Operation counter shall advance one digit per close-open cycle.

values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Insulation-resistance values of circuit breakers shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated.

3. Insulation-resistance values of control wiring shall not be less than two megohms.

4. Microhm or dc millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. In the absence of manufacturer’s published data, investigate values that deviate from adjacent poles or similar breakers by more than 50 percent of the lowest value.

5. Dynamic contact resistance values shall be in accordance with manufacturer’s published data.

6. Minimum pickup voltage of the trip and close coils shall conform to the manufacturer’s published data. In the absence of the manufacturer’s published data, refer to Table 100.20.

7. Auxiliary features shall operate in accordance with manufacturer’s published data.

8. Protective devices shall operate the breaker per system design.

9. Power-factor or dissipation-factor values shall be compared to manufacturer’s published data. In the absence of manufacturer’s published data the comparison shall be made to similar breakers.

10. Power-factor or dissipation-factor and capacitance values shall be within ten percent of nameplate rating for bushings. Hot collar tests are evaluated on a milliampere/milliwatt loss basis, and the results should be compared to values of similar bushings.

12. If no evidence of distress or insulation failure is observed by the end of the total time of voltage application during the vacuum bottle integrity test, the test specimen is considered to have passed the test.

13. If no evidence of distress or insulation failure is observed by the end of the total time of voltage application during the dielectric withstand test, the test specimen is considered to have passed the test.

14. Heaters shall be operational.

15. Results of instrument transformer tests shall be in accordance with Section 7.10.

7.9.1 Protective Relays, Microprocessor-Based

1. Record model number, style number, serial number, firmware revision, software revision, and rated control voltage.

2. Verify operation of light-emitting diodes, display, and targets.

3. Record passwords for all access levels.

4. Clean the front panel and remove foreign material from the case.

5. Check tightness of connections.

6. Verify that the frame is grounded in accordance with manufacturer’s instructions.

7. Verify setting of relay and compare with original settings.

8. Download settings and logic from the relay and compare the settings to those specified in the coordination study or setting sheet supplied by owner.

9. Check with setting engineer for applicable firmware updates and product recalls.

10. Inspect, clean, and verify operation of shorting devices.

B. Electrical Tests

1. Verify SCADA metering values at remote terminals.

2. Protection Elements

Check functional operation of each element used in the protection scheme as described for electromechanical and solid-state relays in 7.9.1.B.3. When not otherwise specified, use manufacturer’s recommended tolerances

5. Control Verification

1. Check operation of all active digital inputs.

2. Check all output contacts or SCRs, preferably by operating the controlled device such as circuit breaker, auxiliary relay, or alarm.

3. Check all internal logic functions used in the protection scheme.

4. Upon completion of testing, reset all min/max records and fault counters. Delete sequence-of-events records and all event records.

5. Verify trip and close coil monitoring functions.

6. Verify setting change alarm to SCADA.

7. Verify relay SCADA communication and indications such as protection operate, protection fail, communication fail, fault recorder trigger.

8. Verify all communication links are operational.

C. Test Values – Visual and Mechanical

1. Light-emitting diodes, displays, and targets should illuminate.

2. Relay should be clean and operational.

3. Settings and logic should agree with the most recent engineered setting files.

4. Verify relay displays the correct date and time.

D. Test Values – Electrical

1. Voltage and current analog readings should be in accordance with manufacturer’s published tolerances.

2. Control verification inputs, outputs, and protection schemes. Results should be within the manufacturer’s published tolerances.

7.11.1 Metering Devices, Electromechanical and Solid-State

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect meters and cases for physical damage.

3. Clean front panel.

4. Verify tightness of electrical connections.

5. Record model number, serial number, firmware revision, software revision, and rated control voltage.

6. Verify operation of display and indicating devices.

7. Record passwords.

8. Verify unit is grounded in accordance with manufacturer’s instructions.

9. Verify unit is connected in accordance with manufacturer’s instructions and project drawings.

10. Set all required parameters including instrument transformer ratios, system type, frequency, power demand methods/intervals, and communications requirements.

1. Apply voltage or current as appropriate to each analog input and verify correct measurement and indication.

2. Confirm correct operation and setting of each auxiliary input/output feature including mechanical relay, digital, and analog.

3. After initial system energization, confirm measurements and indications are consistent with loads present.

C. Test Values – Visual and Mechanical

1. Tightness of electrical connections shall assure a low resistance connection.

2. Display and indicating devices shall operate per manufacturer’s published data.

D. Test Values – Electrical

1. Measurement and indication of applied values of voltage and current shall be within manufacturer’s published tolerances for accuracy.

2. All auxiliary input/output features shall operate per settings and manufacturer’s published data.

3. Measurements and indications shall be consistent with energized system loads.

7.18 Direct-Current Systems

A. Not Used.

7.19.1 Surge Arresters, Low-Voltage

A. Visual and Mechanical Inspection

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, grounding, and clearances.

4. Verify that the ground lead on each device is individually attached to a ground bus or ground electrode.

7.22.2 Emergency Systems, Automatic Transfer Switches

A. Visual and Mechanical Inspection

1. Compare equipment nameplate data with drawings and specifications.

2. Inspect physical and mechanical condition.

3. Inspect anchorage, alignment, grounding, and required clearances.

4. Verify the unit is clean.

5. Verify appropriate lubrication on moving current-carrying parts and on moving and sliding surfaces.

6. Verify that manual transfer warnings are attached and visible.

7. Verify tightness of all control connections.

8. Inspect bolted electrical connections for high resistance using the following methods:

1. Perform thermographic survey in accordance with Section 9.

9. Perform manual transfer operation.

10. Verify positive mechanical interlocking between normal and alternate sources.

B. Electrical Tests

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter.

4. Perform a contact/pole-resistance test.

5. Verify settings and operation of control devices.

7. Verify correct operation and timing of the following functions:

1. Normal source voltage-sensing and frequency-sensing relays.

2. Engine start sequence.

3. Time delay upon transfer.

4. Alternate source voltage-sensing and frequency-sensing relays.

5. Automatic transfer operation.

6. Interlocks and limit switch function.

7. Time delay and retransfer upon normal power restoration.

8. Engine cool down and shutdown feature.

C. Test Values – Visual and Mechanical

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Bolt-torque levels shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.12.

3. Results of the thermographic survey shall be in accordance with Section 9.

1. Compare bolted connection resistance values to values of similar connections. Investigate values which deviate from those of similar bolted connections by more than 50 percent of the lowest value.

2. Control devices shall operate in accordance with manufacturer’s published data.

3. Operation and timing shall be in accordance with manufacturer’s and system design requirements.