A2 PWS Electrical Distro Grounding.docx

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Multi-Facility Electrical Distribution & Grounding / Bonding Inspection
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W50S8H-23-Q-0012
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This performance work statement outlines inspection, testing, and minor maintenance services for electrical distribution systems and grounding at multiple facilities for the New York Army National Guard. Services include infrared thermographic inspection of distribution systems, visual inspections, testing of lightning protection and grounding systems, transformer maintenance including oil sampling and analysis, preventative maintenance of switches and transformers, and submission of inspection reports. Work will be performed over one base year and two option years. Qualification requirements for contractors include experience standards for personnel and affiliation with NETA.

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PERFORMANCE WORK STATEMENT FOR

INSPECTION, TESTING, AND MINOR MAINTENANCE OF

Electrical Distribution System and Grounding

BASE-WIDE

RVKQ 21-2331

107th Civil Engineer Squadron 2665 Johnson St Niagara Falls, NY 14304

29 September 2023

CONTENTS

1.GENERAL SCOPE
2.APPLICABLE REFERENCES
3.QUALIFICATIONS OF TESTING ORGANIZATION AND PERSONNEL
4.DIVISION OF RESPONSIBILITY
5.GENERAL
6.ENVIRONMENTAL REQUIREMENTS
7.INSPECTION AND TEST PROCEDURES
7.1SWITCHGEAR AND SWITCHBOARD ASSEMBLIES
7.2TRANSFORMERS, LIQUID-FILLED
7.3LIGHTNING PROTECTION SYSTEMS
7.4FACILITY GROUNDING SYSTEM
7.5SWITCHES, AIR, MEDIUM-VOLTAGE, METAL-ENCLOSED
7.6SWITCHES, AIR, MEDIUM- AND HIGH-VOLTAGE, OPEN
7.7MANHOLES
8.SYSTEM FUNCTION TESTS
9.THERMOGRAPHIC SURVEY
10.ELECTRICAL DISTRIBUTION SYSTEM DRAWING
11.ELECTRICAL SINGLE LINE DRAWING

SECTION I DESCRIPTION OF SERVICES

1. GENERAL SCOPE

1.1. Provide an annual service, including all management, tools, materials, parts, equipment, temporary power, technical supervision and labor necessary to inspect, test (mechanical and electrical), provide test data and perform minor maintenance on seven (7) separate Lightning Protection Systems and the Electrical Distribution System at Niagara Falls Air Reserve Station (NFARS), New York, in a manner that is operational will comply with Air Force and commercial standards and in accordance with (IAW) all applicable federal, state, and local regulations for maintaining these systems to ensure continuous, safe, and reliable operation. The contractor shall perform inspection, testing and minor maintenance of the Lightning Protection Systems on the following facilities: 202, 204, 904, 910, 912, 920 and 936. The contractor shall perform inspection, testing and minor maintenance of the facility ground system of building 901 in lieu of a lightning protection system inspection as there is currently no lightning protection system for building 901. In addition, the contractor will submit a design for a Lightning Protection System for building 901 IAW AFMAN 32-1065 and applicable Unified Facility Criteria (UFC) guidance.

1.2. It is anticipated that this requirement will be awarded as a Base Year Plus Two (2) Option Years.

1.3. Scheduling Services. Contractor shall contact 107th Civil Engineer Squadron (CES) Base Civil Engineer (BCE) (Lt. Col. Matthew Heinsler, 716-236-2531), or approved and coordinated delegate, at least ten (10) business days prior to actual performance date to schedule any services so arrangements can be made for escorts, base access, and building access, prior to work performance. The contractor shall consider all facilities secure which will require additional coordination, planning, and scheduling with 107th CES Electric Shop and each of the facility managers. This project will require the contractor to work in facilities along the flight line which requires additional care be taken during every phase of construction to ensure Foreign Object Debris (FOD) is not introduced to the aircraft. The contractor shall coordinate access to the facilities with each of the facility managers. Additionally, the contractor shall coordinate the use of personnel lifting equipment along the flight line with Base Operations (Bldg. 912). When necessary, the contractor shall plan for and schedule inspections when the facility users will be least affected.

1.4. The 107th CES BCE (Lt. Col. Matthew Heinsler 716-236-2531), or approved and coordinated delegate, will escort the contractor on base and assist in the coordination of services with each of the facility managers. The contractor shall provide means to verify for themselves that each system is safe to perform inspection, testing, and minor maintenance as described below. All electrical work is to be conducted in accordance with Air Force and commercial standards and IAW all applicable federal, state, and local regulations. All test equipment used by the contractor shall have been calibrated within the last 12 months and shall have labeling or documentation proving such.

1.5. Personnel Qualifications. Workers maintaining, repairing, modifying, and testing grounding and distributions systems must be thoroughly familiar with test equipment operation, lightning protection, grounding, and bonding theory and practices, referenced codes and standards, and specific requirements and procedures in accordance with Air Force and commercial standards and IAW all applicable federal, state, and local regulations. Workers shall have industry standard commercial certifications (such as Master Installer, Master Installer Designer, or UL Certified) to perform the required inspection, testing and minor maintenance. The contractor shall present copies of all relevant certifications for all employees assigned to perform work under this contract. The contractor shall provide at least one master level certified technician to oversee all aspects of this project. If NFPA 70E pertains to energized work then this is not a requirement for LPS Inspection Services.

1.6. 3-Year Electrical Preventive Maintenance Scope. See description below detailing timeline of when individual tasks are to be performed.

Base Year: 29 September 2023 – 28 September 2024 Option Year 1: 29 September 2024 – 28 September 2025 Option Year 2: 29 September 2025 – 28 September 2026

Base Year:

1. Infrared Thermographic Inspection of base-wide (107th ATKW only) Electrical Distribution System (2 days plus report generation). The testing firm will provide an additional qualified electrician to remove and replace covers.

2. Visual inspection of base-wide (107th ATKW only) Electrical Distribution System.

3. Visual inspection & Electrical testing of the base-wide (107th ATKW only) Lightning Protection System.

4. Sixteen (16) transformer oil sample(s) and analysis. Analysis will include:

a. Gas in Oil Analysis

b. Water Content

c. Acid Content

d. Interfacial Tension

e. Color Analysis

f. Dielectric Strength

g. Specific Gravity

5. De-energized preventive maintenance of the following 15kV Fuse Load Interrupter Switches Including:

a. Switch #7, 8, 9, 10, 11, 12, 13, 14 and 15.

6. De-energized preventive maintenance of the following Liquid Filled Pad Mount Transformers including:

a. B902 1000KVA, B902 300KVA, 75KVA near Runway Lights, 75KVA near TANCAN, B904 125KVA, B912 500KVA, B906 300KVA and B915 300KVA.

7. De-energized preventive maintenance of the following Outdoor Switchgear located West of Building #902 including:

a. (3) Sections of 480V switch gear.

Option 1:

1. Infrared Thermographic Inspection of base-wide (107th ATKW only) Electrical Distribution System (2 days plus report generation). The testing firm will provide an additional qualified electrician to remove and replace covers.

2. Visual inspection of base-wide (107th ATKW only) Electrical Distribution System.

3. Visual inspection & Electrical testing of the base-wide (107th ATKW only) Lightning Protection System.

4. Sixteen (16) transformer oil sample(s) and analysis. Analysis will include:

a. Gas in Oil Analysis

b. Water Content

c. Acid Content

d. Interfacial Tension

e. Color Analysis

f. Dielectric Strength

g. Specific Gravity

h. PCB Content

5. De-energized preventive maintenance of the following components:

a. (5) Sections of 15.5kV outdoor switchgear including:

i. Main 15kV Fused Load Interrupter Switch

ii. Utility PT/CT Metering Section.

iii. 15kV Feeder Fused Load Interrupter Switches #1, 2, 3, 4, 5 and 6

iv. De-energized preventive maintenance of (1) 15kV fused load interrupter (SW 16) tie.

v. De-energized preventive maintenance of (1) Pad Mount Liquid Filled Transformer feeding Building #936

6. Substations switchgear ground resistance testing

Option 2:

1. Infrared Thermographic Inspection of base-wide (107th ATKW only) Electrical Distribution System (2 days plus report generation). The testing firm will provide an additional qualified electrician to remove and replace covers.

2. Visual inspection of base-wide (107th ATKW only) Electrical Distribution System.

3. Visual inspection & Electrical testing of the base-wide (107th ATKW only) Lightning Protection System.

4. Sixteen (16) transformer oil sample(s) and analysis. Analysis will include:

a. Gas in Oil Analysis

b. Water Content

c. Acid Content

d. Interfacial Tension

e. Color Analysis

f. Dielectric Strength

g. Specific Gravity

5. De-energized preventive maintenance of the following 15kV Fuse Load Interrupter Switches including:

a. Switch # 17, 18, 19, 20 and 21.

6. De-energized preventive maintenance of the following Liquid Filled Pad Mount Transformers including:

a. Transformers B923 50KVA, B202 75KVA, B202 500KVA, B920 112.5KVA, B901 500KVA, B980 75KVA, 750KVA near Fuel Facility and manholes: EMH2, EMH4, EMH5.

NOTES:

1. All switching to accommodate all Electrical Preventive Maintenance Program is to be done by the testing company. All utility co-ordination for required line outages is the responsibility of the testing firm.

2. Non-Payment for Multiple Trips. The contractor shall provide all tools necessary for inspection and testing. The government will not pay for multiple trips between the contractor’s office/workshop and Niagara Falls ARS.

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.

Air Force Manual (AFMAN) 32-1065 Grounding and Electrical Systems

Unified Facility Criteria (UFC) 3-560-01

American National Standards Institute – ANSI

American Society for Testing and Materials - ASTM

ASTM D 92 Test Method for Flash and Fire Points by Cleveland Open Cup

ASTM D 445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids

ASTM D 664 Test Method for Acid Number of Petroleum Products by Potentiometric Titration

ASTM D 877 Test Method for Dielectric Breakdown Voltage of Insulating Liquids using Disk Electrodes

ASTM D 923 Test Method for Sampling Electrical Insulating Liquids

ASTM D 924 Test Method for A-C Loss Characteristics and Relative Permittivity (Dielectric Constant) of Electrical Insulating Liquids

ASTM D 971 Test Method for Interfacial Tension of Oil against Water by the Ring Method

ASTM D 974 Test Method for Acid and Base Number by Color-Indicator Titration

ASTM D 1298 Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method

ASTM D 1500 Test Method for ASTM Color of Petroleum Products (ASTM Color Scale)

ASTM D 1524 Test Method for Visual Examination of Used Electrical Insulating Oils of Petroleum Origin in the Field

ASTM D 1533 Test Methods for Water in Insulating Liquids (Karl Fischer Reaction Method)

ASTM D 1816 Test Method for Dielectric Breakdown Voltage of Insulating Oils of Petroleum Origin Using VDE Electrodes

ASTM D 2029 Test Methods for Water Vapor Content of Electrical Insulating cases by Measurement of Dew Point

ASTM D 2129 Test Method for Color of Chlorinated Aromatic Hydrocarbons (Askarels)

ASTM D 2284 Test Method of Acidity of Sulfur Hexafluoride

ASTM D 2285 Test Method for Interfacial Tension of Electrical Insulating Oils of Petroleum Origin against Water by the Drop-Weight Method

ASTM D 2477 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Insulating Gases at Commercial Power Frequencies

ASTM D 2685 Test Method for Air and Carbon Tetrafluoride in Sulfur Hexafluoride by Gas Chromatography

ASTM D 2759 Method for Sampling Gas from a Transformer under Positive Pressure

ASTM D 3284 Test Method for combustible Gases in Electrical Apparatus in the Field

ASTM D 3612 Test Method of Analysis of Gases Dissolved in Electrical Insulating Oil by Gas Chromatography

ASTM D 3613 Methods of Sampling Electrical Insulating Oils for Gas Analysis and Determination of Water Content

Association of Edison Illuminating Companies - AEIC

Canadian Standards Association - CSA

Electrical Apparatus Service Association - EASA

ANSI/EASA AR 100 Recommended Practice for the Repair of Rotating Electrical Apparatus

Institute of Electrical and Electronic Engineers - IEEE ANSI/IEEE C2 National Electrical Safety Code

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

ANSI/IEEE C57 Distribution, Power, and Regulating Transformers

ANSI/IEEE C62 Surge Protection

ANSI/IEEE Std. 43 IEEE Recommended Practice for Testing Insulation Resistance of Rotating Machinery

ANSI/IEEE Std. 48 Standard Test Procedures and Requirements for Alternating-Current Cable Terminations 2.5 kV through 765 kV

IEEE Std. 81 IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System (Part I)

ANSI/IEEE Std. 81.2 IEEE Guide for Measurement of Impedance and Safety Characteristics of Large, Extended or Interconnected Grounding Systems (Part 2)

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

IEEE Std. 100 The IEEE Standard Dictionary of Electrical and Electronics Terms

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

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

ANSI/IEEE Std. 241 IEEE Recommended Practice for Electric Power Systems in Commercial Buildings (Gray Book)

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

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

ANSI/IEEE Std. 399 IEEE Recommended Practice for Industrial and Commercial Power Systems Analysis (Brown Book)

ANSI/IEEE Std. 400 IEEE Guide for Making High-Direct-Voltage Tests on Power Cable Systems in the Field

ANSI/IEEE Std. 421B IEEE Standard for High-Potential-Test Requirements for Excitation Systems for Synchronous Machines

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

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

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

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

ANSI/IEEE Std. 602 IEEE Recommended Practice for Electric Systems in Health Care Facilities (White Book)

ANSI/IEEE Std. 637 IEEE Guide for the Reclamation of Insulating Oil and Criteria for Its Use ANSI/IEEE Std. 739 IEEE Recommended Practice for Energy Management in Commercial and Industrial Facilities (Bronze Book)

ANSI/IEEE Std. 902 IEEE Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book)

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

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

ANSI/IEEE Std. 1106 IEEE Recommended Practice for Maintenance, Testing, and Replacement of Nickel-Cadmium Storage Batteries for Generating Stations and Substations

ANSI/IEEE Std. 1159 Recommended Practice for Monitoring Electric Power Quality

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

Insulated Cable Engineers Association - ICEA

Inter-National Electrical Testing Association - NETA

ANSI/NETA ETT Standard for Certification of Electrical Testing Technicians

NETA ATS Acceptance Testing Specifications for Electrical Power Distribution Equipment and Systems

National Electrical Manufacturer’s Association - NEMA

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

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

NEMA MG1 Motors and Generators

National Fire Protection Association - NFPA ANSI/NFPA 70 National Electrical Code

ANSI/NFPA 70B Recommended Practice for Electric Equipment Maintenance ANSI/NFPA 70E Electrical Safety Requirements for Employee Workplaces ANSI/NFPA 99 Standard for Healthcare Facilities

ANSI/NFPA 101 Life Safety Code

ANSI/NFPA 110 Emergency and Standby Power Systems

ANSI/NFPA 780 Installation of Lightning Protection Systems

Occupational Safety and Health Administration - OSHA

Scaffold Industry Association - SIA

ANSI/SIA A92.2 Vehicle Mounted Elevating and Rotating Aerial Devices

State and local codes and ordinances

Underwriters Laboratories, Inc. – UL

2.2 Other Publications

AVO/Biddle Instruments, A Stitch in Time. The Complete Guide to Electrical Insulation Testing

Paul Gill, Electrical Power Equipment Maintenance and Testing, New York: Marcel Dekker, Inc.

2.3 Contact Information

American National Standards Institute - ANSI 11 West 42nd Street New York, NY 10036 (212) 642-8902

American Society for Testing and Materials - ASTM 100 Barr Harbor Drive W. Conshohocken, PA 19428 (610) 832-9500

AVO/Biddle Instruments 510 Township Road Blue Bell, PA 19422 (215) 646-9200

Association of Edison Illuminating Companies - AEIC 600 N. 18th Street; PO Box 2641 Birmingham, AL 35291

(205) 257-2530

Canadian Standards Association - CSA 178 Rexdale Boulevard Toronto, ON M9W 1R3 (416) 747-4000

Electrical Apparatus Service Association - EASA 1331 Baur Boulevard St. Louis, MO 63132 (314) 993-2220

Institute of Electrical and Electronic Engineers - IEEE PO Box 1331 Piscataway, NJ 08855

(908) 981-0060

Insulated Cable Engineers Association - ICEA PO Box 440 S. Yarmouth, MA 02664 (508) 394-4424

International Electrotechnical Commission - IEC Contact through American National Standards Institute

InterNational Electrical Testing Association - NETA PO Box 687/106 Stone Street Morrison, CO 80465

(303) 697-8441 Marcel Dekker, Inc. PO Box 5005 Monticello, NY 12701

(800) 228-160

National Electrical Manufacturers Association 1300 N. 17th St. Suite 1847 Rosslyn, VA 22209

(703) 841-3200

National Fire Prevention Association - NFPA 1 Battery March Park PO Box 901 Quincy, MA 02269-9101

(617) 984-7247

Occupational Safety and Health Administration - OSHA U.S. Department of Labor Occupational Safety & Health Administration Office of Public Affairs - Room N3647 200 Constitution Avenue Washington, D.C. 20210

(202) 693-1999

Scaffold Industry Association - SIA 20335 Ventura Boulevard, #310 Woodland Hills, CA 91364

(818) 610-0320

Underwriters Laboratories, Inc. - UL 333 Pfingsten Road Northbrook, IL 60062

(847) 272-8800

3. QUALIFICATIONS OF TESTING FIRM

3.1. The testing organization shall be an independent testing organization that is a NETA affiliate member.

3.2. The testing firm shall be regularly engaged in the testing of electrical equipment devices, installations, and systems with 10 years minimum documented experience.

3.3. The testing firm must have a full-time Field Safety Inspector that is an employee of the company. The Safety Inspector cannot be a Project Manager, Field Labor Superintendent, Job Foreman or laborer. The inspector must be full-time Safety Inspector.

3.4. The testing firm must have a full-time Electrical Professional Engineer that is an employee of the company. The Professional Engineer will be required to review, approve and stamp the final test data and recommendations that will be provided each year.

3.5. The testing firm shall utilize technicians who are regular full-time employees (minimum 2 years) employed by the firm for testing services. Hiring 3rd party test firms that are not regular employees of your company is not acceptable.

3.6 The testing firm shall submit proof of the above qualifications with the bid documents. The Lead Service Technician, Field Safety Inspector and Professional Engineer must be listed by name in the proposal.

3.7 Strict adherence to the NFPA-70E Personal Protective Equipment Standard is mandatory. Certification of NFPA-70E training within the last year, for each service technician, will be required at the time of the bid.

3.8 The testing firm’s thermographer must be a full-time employee of the test firm with a minimum of 3 years full-time service with the test firm as a certified thermographer. See Section #9 of this specification for additional thermographer requirements. Hiring a 3rd party thermographer is not acceptable.

3.9 Final payment will be held on this project until all of the above criteria are met including copies of safety inspections, P.E. stamps on all reports and test equipment calibration certificates no older than 12 months for each piece of test equipment used.

4. DIVISION OF RESPONSIBILITY

4.1. The testing firm will be responsible for supplying any power needed to accomplish the specified maintenance and testing.

4.2. The owner shall notify the testing firm when equipment becomes available for maintenance tests. Work shall be coordinated to expedite project scheduling.

4.3. The testing firm shall notify the owner prior to commencement of any testing.

4.4. Any system, material, or workmanship which if found defective on the basis of maintenance tests shall be reported including recommended corrective actions.

4.5. The testing firm shall maintain a written record of all tests and shall assemble and certify a final test report. The certification must be done by an Electrical P.E. (See Section 3.4 of this specification).

4.6. Safety and Precautions

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

a. Current Occupational Safety and Health Organizations

b. National Safety Council, Accident Prevention Manual for Industrial Operations

c. Applicable state and local safety operating procedures

d. Owner’s safety practices

e. ANSI/NFPA-70E, Electrical Safety Requirements for Employee Workplaces

f. OSHA 29 CFR 1910/47. Council of Hazardous Energy Sources (Lockout/Tagout)

2. All tests shall be performed with apparatus de-energized except where otherwise specifically required.

3. The testing organization shall have designated safety representative on the project to supervise operations with respect to safety. (See Section 3.3 of this specification).

5. GENERAL

5.1 Suitability of Test Equipment

1. All test equipment shall be in good mechanical and electrical condition.

2. Split-core current transformers and clamp-on or tong-type ammeters require careful consideration of the following in regard to accuracy:

a. Position of the conductor within the core

b. Clean, tight fit of the core pole faces

c. Presence of external fields

d. Accuracy of the current transformer ratio in addition to the accuracy of the secondary meter.

3. Selection of metering equipment should be based on a knowledge of the waveform of the variable being measured. Digital multimeters may be average or RMS sensing and may include or exclude the dc component. When the variable contains harmonics or dc offset and, in general, any deviation from a pure sine wave, average sensing, RMS scaled meters may be misleading.

4. Field test metering used to check power system meter calibration must have an accuracy higher than that of the instrument being checked.

5. Accuracy of metering in test equipment shall be appropriate for the test being performed but not in excess of two percent of the scale used.

6. Wave shape and frequency of test equipment output waveforms shall be appropriate for the test and the tested equipment.

5.2 Test Instrument Calibration

1. The testing firm shall have a calibration program which assures that all applicable test instruments are maintained within rated accuracy.

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

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

a. Field instruments: Analog, 6 months maximum. Digital, 12 months maximum.

b. Laboratory instruments: 12 months maximum.

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

5. Records, which show date and results of instruments calibrated or tested, must be kept up-to- date and must be part of the yearly field service report.

6.Up-to-date instrument calibration instructions and procedures shall be maintained for each test instrument.
7.Calibrating standard shall be of higher accuracy than that of the instrument tested.

5.3 Test Report

1. The test report shall include the following:

a. Summary of project.

b. Description of equipment tested.

c. Description of tests.

d. Test results

e. Analysis and recommendations.

2. Furnish electronic copies of the complete report in MS Word and PDF formats to the owner as required in the maintenance contract.

3. Furnish hard copies of the complete report printed and bound. Appropriately sized 3-ring binders are acceptable for the printed version of the final report.

4. The test report must be stamped by an Electrical P.E. (Section 3.4 of this specification).

5.4 Hours of Operation

1. Normal Hours of Operation. Perform routine services required under this contract during Niagara Falls ARS normal duty hours of 7:30 a.m. to 4:00 p.m. Monday through Friday.

2. After Normal Hours of Operation. Inspection and testing may be performed after normal hours with prior approval and coordination from 107th Civil Engineer Squadron (CES) Deputy Base Civil Engineer (BCE) (Lt. Col. Matthew Heinsler 716-236-2531)

3. Holidays. Routine work will not be required on the following holidays or any holidays observed in lieu thereof:

New Year's Day (January)Labor Day (September) Martin Luther King Day (January)Columbus Day (October)President's Day (February)Veterans' Day (November)
Memorial Day (May)Thanksgiving Day (November)
Independence Day (July)Christmas Day (December)

5.5 Quality Control

1. The contractor will develop and maintain a quality program to ensure services are performed IAW commonly accepted commercial practices. Contractor will develop and implement procedures to identify and prevent defective services from recurring. As a minimum, the contractor will develop quality control procedures that address the areas as identified in Section II, Service Summary.

5.6 Quality Assurance

1. The government will periodically evaluate the contractor’s performance by appointing Quality Assurance Evaluator and alternate to monitor performance to ensure services are received. The government COR will evaluate the contractor’s performance through intermittent on-site inspections and receipt of complaints from base personnel.

5.7 Security Requirements

1. The Contractor and all employees will comply with all Niagara Falls ARS security requirement imposed by the local installation commander at all times while on the premises to include not using cell phones while operating a vehicle on Base. Contractor will obtain necessary badges(s) required for access to Niagara Falls ARS. The information contained in the Badge Request Letter is subject to the Privacy Act of 1974 as follows: AUTHORITY: 5 U.S.C. 4501; 10 U.S.C. 1124; EO 9397; PRINCIPAL PURPOSE: to list the names of personnel authorized to perform various functions under this contract. ROUTINE USES: To ensure positive identification of personnel authorized to perform the listed functions. The Social Security Number is needed for this identification. Disclosure is voluntary, however, failure to supply any required information may cause denial of entry to or delays in processing access onto Niagara Falls ARS.

2. Badge Request. Contractor will send a letter to the Contracting Office on company stationery, which will include address, telephone number, and contract number, listing full names of employee(s), with their social security number, date of birth, who require access to Niagara Falls ARS. After approval by Security Forces, this letter will be on file for 30 days and then discarded. Thereafter, anytime a badge is requested for a new employee, an updated employee list will accompany a request letter by the contractor to the contracting office.

3. Contractor employees will apply for individual identification badges at the Niagara Falls ARS Security Force Squadron Visitor’s Control Center, Bldg. 893. Badges are processed Monday through Friday from 6:00 a.m. to 2:30 p.m. No appointment is necessary. Upon completion or termination of the contract or termination of a contractor employee, the Contractor will surrender any identification badges and vehicle identification to the Contracting Office the following business day.

4. Vehicle Requirement. Proper state vehicle registration, proof of insurance and a valid driver’s license are required to drive on base. After obtaining the proper badges/vehicle identification at the Visitor Control Center (Bldg. 893), all commercial vehicles must enter through the North Gate (Lockport Road), the primary search area for all commercial delivery vehicles.

5. Driving and Safety on an Air Force Installation. The Contractor and all employees will comply with Air Force Instruction (AFI) 91-207 “USAF Traffic Safety Program” while on all Niagara Falls ARS.

5.8 Covid-19

1. The Contractor and all employees will comply with guidelines outlined in the CDC as well as all installation Covid-19 policies.

5.9 Licenses and Permits

1. Obtain any necessary licenses and permits, and comply with any federal, state, and municipal laws, codes, and regulations applicable to the performance of work in this PWS. Contractor will provide proof of such applicable licenses and permits upon request by the government.

5.9 Vehicles

1. Contractor vehicles will have the company name prominently displayed on both sides of the vehicles. All vehicle cleaning and maintenance will be done off-base. The Contractor is responsible for cleanup of any vehicle leaks.

6. ENVIRONMENTAL REQUIREMENTS.

1. Green Procurement. Executive Orders 13423 and 13514 require the use of recycled and recovered materials, bio-based products, energy and water saving products, and environmentally preferable products. Recycled and recovered materials are identified by the Environmental Protection Agency’s Comprehensive Procurement Guidelines, information available at http://www.epa.gov/epaoswer/non-hw/procure/products.htm. Bio-Based products are identified by United States Department of Agriculture under Bio-Based products, information is available at http://www.biobased.oce.usda.gov. Environmentally preferable products are products that are less hazardous to the environment. Some products are certified by the Green Seal organization and information is available at http://www.greenseal.org/. The Contractor shall procure and use environmentally friendly products in the execution of this contract. Appendix C contains a list of preferred bio-based products. The Contractor will also refer to the EPA websites for a list of environmentally friendly products.

2. Hazardous Materials. In the accomplishment of this contract, non-flammable, environmentally friendly, biodegradable products IAW AFI 32-7080, AFMAN 32-7002, and AFI 32- 7086, Section V-TE-2 must be used. Submit and forward to the COR the AF Form 3952; “Chemical/ Hazardous Material Request Authorization” and the manufacturer’s “Material Safety Data Sheet (MSDS)”, for all chemical used on Niagara Falls ARS, two (2) weeks prior to contract start. Prior to the use of any new chemicals under this contract, the contractor will submit an AF Form 3952 with a manufacturer’s MSDS for approval. No chemicals will be used on Niagara Falls ARS prior to obtaining this approval. Only the minimum amount necessary for current work will be brought on Niagara Falls ARS. The contractor will submit hazardous material usage monthly to the COR. The contractor is responsible for containing, handling, and cleanup of all spills from this operation. The disposal of unused materials/chemicals is the responsibility of the contractor. Cost to dispose of spilled material and any other waste items resulting from the spill is the responsibility of the contractor. All spills, leaks and inadvertent release of hazardous materials will immediately be reported to the Fire Department at (716) 236-2117.

7. INSPECTION AND TEST PROCEDURES

7.1 Switchgear and Switchboard Assemblies

7.1.1 Visual and Mechanical Inspection:

1. Inspect physical, electrical, and mechanical condition including evidence of moisture or corona.

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

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

4. Clean the unit.

5. Verify that fuse and/or circuit breaker sizes and types correspond to drawings and coordination study as well as to the circuit breaker’s address for microprocessor-communication packages.

6. Verify that current and voltage transformer ratios correspond to drawings.

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

a. Use of a low-resistance ohmmeter.

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

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

8. Confirm correct operation and sequencing of electrical and mechanical interlock systems.

a. Attempt closure on locked-open devices. Attempt to open locked-closed devices.

b. Make key exchange with all devices included in the interlock scheme as applicable.

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

10. Verify correct barrier and shutter installation and operation.

11. Exercise all active components.

12. Inspect mechanical indicating devices for correct operation.

13. Verify that filters are in place and/or vents are clear.

14. Perform visual and mechanical inspection of instrument transformers.

15. Inspect control power transformers.

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

b. Verify that primary and secondary fuse ratings or circuit breakers match drawings.

c. Verify correct functioning of draw out disconnecting and grounding contacts and interlocks.

16. Perform as-left tests.

7.1.2 Electrical Tests:

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

2. Perform insulation–resistance tests for one minute on each bus section, phase-to-phase and phase-to-ground. Apply voltage in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

3. Perform an over potential test on each bus section, each phase-to-ground with phases not under test grounded, in accordance with manufacturer’s published data. If manufacturer has no recommendation for this test, it shall be in accordance with Table 100.2. The test voltage shall be applied for one minute.

4. Perform insulation-resistance tests on control wiring with respect to ground. The applied potential shall be 500 volts dc for 300-volt rated cable and 1000 volts dc for 600-volt rated cable. Test duration shall be one minute. For units with solid-state components or control devices that cannot tolerate the applied voltage, follow manufacturer’s recommendation.

5. Perform electrical tests on instrument transformers.

6. Perform ground–resistance tests.

7. Determine accuracy of all meters and calibrate watthour meters.

8. Control Power Transformers

a. Perform insulation-resistance tests. Perform measurements from winding-to-winding and each winding-to-ground. Test voltages shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.1.

b. Verify correct function of control transfer relays located in switchgear with multiple power sources.

9. Verify operation of switchgear/switchboard heaters and their controller, if applicable.

10. Perform system function tests in accordance with Section 8.

7.1.3 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 should 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.

7.1.4 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 bus insulation should 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. Overpotential tests should not proceed until insulation-resistance levels are raised above minimum values.

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

4. Minimum insulation-resistance values of control wiring should be comparable to previously obtained results but not less than two megohms.

5. Results of electrical tests on instrument transformers should be in accordance with Section 7.

6. Results of ground resistance tests should be in accordance with Section 7.

7. Accuracy of meters should be in accordance with Section 7.

8. Control Power Transformers

a. Insulation-resistance values of control power transformers should be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.5. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated. Overpotential tests should not proceed until insulation-resistance levels are raised above minimum values.

b. Control transfer relays should perform as designed.

9. Heaters should be operational.

10. Results of system function tests shall be in accordance with Section 8.

7.2 Transformers, Liquid-Filled

7.2.1 Visual and Mechanical Inspection:

1. Inspect physical and mechanical condition.

2. Inspect anchorage, alignment, and grounding.

3. Verify the presence of PCB labeling, if applicable.

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

5. Clean bushings and control cabinets.

6. Verify operation of alarm, control, and trip circuits from temperature and level indicators, pressure relief device, and fault pressure relay, if applicable.

7. Verify that cooling fans and/or pumps operate correctly.

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

a. Use of a low-resistance ohmmeter in accordance with Section 7.

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

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

9. Verify correct liquid level in tanks and bushings.

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

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

12. Test load tap-changer in accordance with Section 7.

13. Verify the presence of transformer surge arresters.

14. Perform as-left tests.

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

7.2.2 Transformers, Liquid-Filled Electrical Tests:

1. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable, in accordance with Section 7.

2. Perform insulation-resistance tests, winding-to-winding and each winding-to-ground. Apply voltage in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table 100.5. Calculate polarization index.

3. Perform turns-ratio tests at the designated tap position.

4. Perform insulation power-factor or dissipation-factor tests on all windings in accordance with test equipment manufacturer’s published data.

5. Perform power-factor or dissipation-factor tests on each bushing.

6. Perform excitation-current tests in accordance with the test equipment manufacturer’s published data.

7. Measure the resistance of each winding at the designated tap position.

8. If the core ground strap is accessible, remove and measure the core insulation resistance at 500 volts dc.

9. Measure the percentage of oxygen in the gas blanket, if applicable.

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

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

b. Acid neutralization number: ANSI/ASTM D 974

c. Specific gravity: ANSI/ASTM D 1298

d. Interfacial tension: ANSI/ASTM D 971 or ANSI/ASTM D 2285

e. Color: ANSI/ASTM D 1500

f. Visual Condition: ASTM D 1524

g. Water in insulating liquids: ASTM D 1533. (Required on 25 kV or higher voltages and on all silicone-filled units.)

h. Measure power factor or dissipation factor in accordance with ASTM D 924.

11. Remove a sample of insulating liquid in accordance with ASTM D 3613 and perform dissolved-gas analysis (DGA) in accordance with ANSI/IEEE C57.104 or ASTM D3612.

12. Test the instrument transformers in accordance with Section 7.

13. Test the surge arresters in accordance with Section 7.

14. Test the transformer neutral grounding impedance devices, if applicable.

7.2.3 Test Values Visual and Mechanical:

1. Alarm, control, and trip circuits from temperature and level indicators as well as pressure relief device and fault pressure relay should operate within manufacturer’s recommendations for their specified settings.

2. Cooling fans and/or pumps should operate.

3. 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.

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

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

6. Liquid levels in the transformer tanks and bushings should be within indicated tolerances.

7. Positive pressure should be indicated on pressure gauge for gas-blanketed transformers.

7.2.4 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. Minimum insulation-resistance values of transformer insulation should be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use Table

100.5. Values of insulation resistance less than this table or manufacturer’s recommendations should be investigated. The polarization index shall be compared to previously obtained results and should not be less than 1.0.

3. Turns-ratio test results should not deviate by more than one-half percent from either the adjacent coils or the calculated ratio.

4. Maximum power-factor/dissipation-factor values of liquid-filled transformers corrected to 20° C should be in accordance with the transformer manufacturer’s published data. Representative values are indicated in Table 100.3.

5. Investigate bushing power-factor and capacitance values that vary from nameplate values by more than ten percent. Hot-collar tests are evaluated on a milliampere/milliwatt loss basis, and the results should be compared to values of similar bushings.

6. Typical excitation-current test data pattern for a three-legged core transformer is two similar current readings and one lower current reading.

7. Temperature corrected winding-resistance values should compare within one percent of previously obtained results.

8. Core insulation values should be comparable to previously obtained results but not less than one megohm at 500 volts dc.

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

10. Insulating liquid values should be in accordance with Table 100.4.

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

12. Results of electrical tests on instrument transformers shall be in accordance with Section 7.

13. Results of surge arrester tests shall be in accordance with Section 7.

14. Compare grounding impedance device values to previously obtained results. In the absence of previously obtained values, compare obtained values to manufacturer’s published data.

7.3 Lightning Protection Systems

7.3.1 Visual Inspection, Testing, and Minor Maintenance Services:

1. The contractor shall visually and physically inspect each system and determine if the system is in good repair. Inspect all visible parts of the system.

2. Check if there are loose connections that might cause high resistance joints. Pull or tug on conductors and connections to ensure sound connection, being careful not to damage the system in the process. Quantitative continuity testing across components, producing measurement values in Ohms, can be accomplished with a digital low resistance Ohm-meter or Multi-meter with a current calibration certificate. A Fluke 1625-2 Kit is the baseline standard for fall of potential test equipment.

3. Check for corrosion or vibration has weakened any part of the system.

4. Check down conductors, roof conductors, and ground terminals are intact, air terminals exceeding 24 inches in length are supported at a point not less than one-half their length, and no components or fasteners are missing.

5. Check if the braided bonding wires or straps are excessively frayed (cross-sectional area reduced by half).

6. Check if the ground wires/down conductors, air terminals (for earth-covered magazines [ECM]), masts, or poles are/have been damaged by mowers, equipment, or vehicles.

7. Check if the conductors and system components are securely fastened to mounting surfaces. Position connections to better protect against accidental displacement. Adhesive-type fasteners are not allowed.

8. Verify if any additions or alterations to the protected structure require additional protection. See UFC 3-575-01.

9. Check if the surge protective devices (SPDs) supporting facilities and facility service appear damaged or indicator lamps signal an operation has occurred. Note: Inspection, repair, and replacement of SPDs protecting equipment are the responsibility of the equipment owner or user.

10. Check if the system complies with the intent of applicable sections of the most recent version of NFPA 780, Standard for the Installation of Lightning Protection Systems, unless otherwise noted in AFMAN 32-1065.

11. Ensure safety is not degraded to enhance aesthetic appeal of LPS system.

Lightning Protection Systems Electrical Testing:

1. The contractor shall perform resistance and continuity tests as required for each of the lightning protection systems.

2. The contractor’s electrical testing equipment shall be able to measure 10 ohms +/-10 percent for ground resistance tests, and 1 ohm +/-10 percent for continuity testing.

3. The contractor shall use only instruments designed specifically for earth-ground systems that are intended for ground resistance testing.

4. The contractor shall follow the manufacturer’s instruction manual for testing equipment except as modified in AFMAN 32-1065.

5. If the resistance measured during continuity tests is greater than 1 ohm, check for deficiencies and document.

6. The contractor shall measure the resistance of grounding electrodes using the fall-of-potential ground resistance test method.

7. The contractor shall use the procedure recommended by the test equipment manufacturer or the auxiliary probe location shown in figure 1.1 below.

8. Where possible, conduct this test at the corner of the building opposite the electrical service entrance. Exercise caution: underground metallic piping may influence readings. Position probes as far as possible from the grounding system under test. Connect the appropriate lead of a fall-of-potential meter to the ground rod at the test site. Place the potential reference probe at a distance greater than one- half the diagonal of the building under test, but not less than 7.6 meters (25 feet). Place the current reference probe 90 degrees from the potential reference probe (in a direction away from the facility under test) and the ground rod under test, and at a distance greater than one half of the building diagonal, but not less than 7.6 meters from the potential reference probe. Note that the distances between probes are equal.

9. For buildings without a ground loop conductor, perform this test at each ground rod. The contractor shall document the test performed and the values obtained at each test location.

10. The contractor shall work closely with the 107th Base Civil Engineer office to provide a diagram of the grounding system for each location and the test values obtained at each tested location.

11. The contractor shall contact the 107th Deputy BCE to obtain any existing drawings and information. Where no drawing is available, the contractor shall create one.

FIGURE 1.1

7.3.2 Lightning Protection Systems Minor Maintenance:

1. The contractor shall mechanically tighten all loose mountings, connections, clamps, and splicers found during inspection.

2. The contractor shall be responsible for reconnecting, repairing, replacing, or installing, when necessary, the following components associated with each facility’s LPS:

a. Lightning rods or air terminals and all associated base plates, base extensions, saddles, bracing, extensions, couplers, mounting plates, mounting adhesive, mounting fasteners, and adapters

b. Conductors, cable clips, seam clamps, cable holders, adhesives, and guards

c. Thru-roof and thru-wall connectors, assemblies, and accessories

d. Connectors, straps, and clamps

e. Bonding lugs and bonding plates

f. Any of the above items directly associated with the facility’s

g. grounding electrode…

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