20260716 SOW Underground Electrical (FWJH262710) - Amendment 0002.pdf

TEXAS AIR NATIONAL GUARD

147TH ATTACK WING

Ellington Field JRB Houston, Texas

STATEMENT OF WORK

FWJH262710

Installation of New 3-Phase Primary Underground Electrical Service

16 July 2026

147th Attack Wing Ellington Field, Houston, TX

FWJH262710

Installation of New 3-Phase Primary Underground Electrical Service

July 16, 2026 Page 2 of 16

Table of Contents

1. APPLICABLE CODES AND REFERENCES (CURRENT EDITIONS)

2. BACKGROUND

3. DESCRIPTION OF WORK

4. HOURS OF OPERATION ................................................................................................................. 6.

5. SPACE TILE, FUNCTION AND SPECIAL REQUIREMENTS

6. HOURS OF OPERATION/DAILY WORK HOURS

7. GOVERNMENT FURNISHED ITEMS

8. NOTIFICATION OF PROBLEMS

9. QUALITY CONTROL & QUALITY ASSURANCE ...................................................................... 8.

10. ATTACHMENTS

Attachment 1 – Existing Electrical

Attachment 2 – Existing Electrical

Attachment 3 – Existing Electrical

Attachment 4 – Electrical Panel Inside

FWJH262710

July 16, 2026 Page 3 of 16

1. APPLICABLE CODES AND REFERENCES (CURRENT EDITIONS):

1.1. Major codes and standards, which are applicable to all Air National Guard (ANG) projects, are indicated below. This listing is not intended to be all-inclusive, and it is the Contractor’s responsibility to adhere to all applicable codes and standards. Where there is a conflict between the SOW and building codes, the most stringent shall apply. When codes are in conflict, the most stringent shall apply. Applicable codes and standards can be found in The Whole Building Design Guide website by the National Institute of Building Sciences (https://www.wbdg.org/).

1.1.1. The Contractor must abide by all the applicable regulations, publications, manuals, and local policies and procedures:

Unified Facilities Criteria (UFC): https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc and https://www.wbdg.org/fc/ang Unified Facilities Guide Specifications (UFGS):

http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs UFC 1-200-01 DoD Building Code UFC 1-200-02 High Performance and Sustainable Building Requirements UFC 3-101-01 Architecture UFC 3-110-03 Roofing UFC 3-120-10 Interior Design UFC 3-190-06 Protective Coatings and Paints UFC 3-201-01 Civil Engineering

UFC 3-250-01 Pavement Design for Roads and Parking Areas UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems UFC 3-520-01 Interior Electrical Systems

UFC 3-530-01 Interior and Exterior Lighting Systems UFC 3-550-01 Exterior Electrical Power Distribution UFC 3-570-01 Cathodic Protection

UFC 3-575-01 Lightning and Static Electricity Protection Systems UFC 3-580-01 Telecommunications Interior Infrastructure Planning and Design UFC 3-600-01 Fire Protection Engineering for Facilities

UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings UFC 4-010-06 Cybersecurity of Facility-Related Control Systems UFC 4-020-01 DoD Security Engineering Facilities Planning Manual https://www.wbdg.org/ https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc https://www.wbdg.org/fc/ang http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs

FWJH262710

July 16, 2026 Page 4 of 16

UFC 4-215-01 Armories and Arms Rooms UFC 4-211-01 Aircraft Maintenance Hangars Air National Guard Handbook 32-1084 Facility Space Standards ANGETL 24-02 Air National Guard Design Objectives and Procedures (Tab C) ANGETL 12-05 Design and Construction Handbook

ANGETL 12-06 Design Meetings and Presentations ANGETL 12-07 Preparation of Project Documentation Package ANGETL 15-01 Air National Guard Design Policy

ANGETL 15-01-01 Sustainable Design, Development and Resource Conservation ANGETL 15-01-02 SKIF & ATFP Guidance

ANGETL 15-01-03 Fire Protection Design Guidance ANGETL 15-01-04 Mechanical Engineering

ANGETL 15-01-05 Electrical & Communication Engineering ANGETL 15-01-06 Roof Design Guidance

DODI 6055.06 DoD Fire and Emergency Services (F&Es) Program DAFI 32-2001 Fire Emergency Services Program AFMAN 32-1062 Electrical Systems, Power Plants and Generators DESR 6055.09_AFMAN 91-201 Explosive Safety Standards

DAFMAN 91-203 Air Force Occupational Safety, Fire and Health Standards TO 1-1-3 Inspection and Repair of Aircraft Integral Tanks and Fuel Cells TO 00-25-172 Ground Servicing of Aircraft and Static Grounding/Bonding Architectural Barriers Act (ABA)

American Concrete Institute (ACI) American National Standards Institute Standards (ANSI) American Society of Civil Engineers (ASCE)

ANSI/ASCE Minimum Design Loads for Buildings and Other Structures ACI 318 Building Code Requirements for Reinforced Concrete

ACI 530 Building Code Requirements for Masonry Structures AISC Manual of Steel Construction American Society for Heating, Refrigeration and Air-Conditioning Engineers

(ASHRAE)

FWJH262710

July 16, 2026 Page 5 of 16

American Society for Testing and Materials (ASTM) Building Officials and Code Administrators (BOCA) ICD 705 v1.5.1

Electronic Industries Association (EIA) Engineering Technical Letters (ETL) International Building Code (IBC)

Institute of Electrical and Electronics Engineers (IEE) Illuminating Engineering Society Lighting Handbook (IES) International Fire Code (IFC)

International Mechanical Code (IMC) International Plumbing Code (IPC) National Fire Protection Association (NFPA)

NFPA 1550 Standard for Emergency Responder Health and Safety reference for justification purposes.

NFPA 70: National Electric Code (NEC) NFPA 72 International Fire Alarm Code NFPA 101 Life Safety Code

NFPA 780 Standard for the Installation of Lightning Protection Systems National Roofing Contractors Association (NRCA)

National Electrical Code (NEC) National Electrical Manufacturer's Association (NEMA) National Electrical Safety Code (NESC)

Occupational Safety and Health Administration (OSHA) Sheet metal & Air Conditioning Contractors National Association (SMACNA) Technical Instructions (TIs)

Technical manuals (TMs) Underwriter's Laboratories (UL)

2. BACKGROUND

Ellington Field currently has a failed underground primary electrical service between the existing tap box and transformer supplying power to the mobile shooting range. As a result of this failure, the range is non-operational (down) and unable to support mission requirements. This project is

FWJH262710

July 16, 2026 Page 6 of 16 required to restore reliable electrical service to the mobile shooting range and return the facility to full operational capability in support of training and mission readiness.

The Contractor shall provide all labor, materials, equipment, supervision, and incidentals required to replace the failed underground primary electrical service between the existing tap box and transformer serving the mobile shooting range.

DESCRIPTION OF WORK

2.1. The Contractor shall perform the following work:

2.1.1. Prior to any excavation, trenching or boring, the Contractor shall contact 811 and verify all existing utility locations. The Contractor assumes full responsibility for any damage to existing facilities or infrastructure resulting from construction activities.

2.1.2. Install new 4-inch PVC conduit via directional bore in accordance with NEC, UFC, and applicable UFGS requirements.

2.1.3. Furnish and install three (3) new medium-voltage primary cables in the new conduit system.

2.1.4. Perform all terminations at the existing tap box and transformer in accordance with manufacturer requirements and applicable standards.

2.1.5. Coordinate all required electrical outages with the Government.

2.1.6. Implement Lockout/Tagout (LOTO) procedures in accordance with NFPA 70E and OSHA requirements.

2.1.7. The Contractor shall perform all testing necessary to verify a complete, safe, and operational medium-voltage electrical distribution system. Testing shall be performed by qualified personnel using calibrated equipment in accordance with ANSI/NETA ATS, IEEE Standards, UFGS, WBDG (Whole Building Design Guide), NFPA 70 (NEC), NFPA 70B, NESC, IEEE C57 Series, IEEE 400 Series (medium-voltage cable testing), UFC 3-501-01, UFC 3-550-01, Texas 811 requirements, manufacturer recommendations, project specifications, and all other applicable industry standards.

At a minimum, testing shall include, but not be limited to:

• Visual inspection

• Continuity testing

• Phase identification

• Insulation resistance (Megger)

• VLF withstand testing

• VLF Tan Delta testing

• Cable sheath integrity testing

• Termination inspection

• Grounding continuity verification

• Voltage verification

• Functional operational testing

• Energization/startup testing

FWJH262710

July 16, 2026 Page 7 of 16

• Transformer Turns Ratio (TTR)

• Winding resistance

• Insulation resistance

• Excitation current

• Power factor/dissipation factor (where applicable)

• Oil sampling/DGA (for oil-filled units, where applicable)

• Secondary voltage verification

• Phase rotation

2.1.8. Testing Report Requirements

In addition to testing reports, contractor to submit the following but not limited to:

• Certified test reports

• Equipment calibration certificates

• Manufacturer startup documentation

• Test equipment serial numbers

• Test technician qualifications

• Pass/fail criteria

• Recommended corrective actions

• Final commissioning report

2.1.9. System Voltage

The existing electrical distribution system operates at a nominal voltage of

12.47 kV utilizing 15-kV class equipment.

2.1.10. Utility Verification Requirements

In addition to Texas 811 notification, require:

• Ground Penetrating Radar (GPR)

• Hand excavation where required

• Verification of utility depths

• Coordination with utility owners

2.1.11. Burial Depth Requirements

Burial depth shall comply with the NEC, UFC 3-550-01, WBDG guidance, applicable utility requirements, manufacturer recommendations, and project specifications.

2.1.12. PVC Conduit Requirements

4-inch PVC conduit shall comply with NEMA TC-2, NEC Article 352, and applicable UFC requirements. The required conduit schedule (Schedule 40 or Schedule 80) shall be based on the installation conditions and applicable code requirements.

2.1.13. Existing Conduit

FWJH262710

July 16, 2026 Page 8 of 16

The Government makes no representation regarding the condition or suitability of the existing conduit system. Unless otherwise approved by the Government, the Contractor shall assume a complete new conduit installation is required.

2.1.14. Existing Cable

Existing conductor material is unknown. The Contractor shall furnish all materials necessary to ensure compatibility with the existing electrical distribution system.

2.1.15. Directional Boring

Directional boring shall be the primary installation method. Open trenching may only be used where approved by the Government, site conditions permit, and existing utilities can be adequately protected. Contractor to comply with OSHA safety guidelines.

2.1.16. Surface Restoration

Contractor to restore:

• Asphalt

• Concrete

• Turf

• Irrigation systems

• Pavement striping

• Gravel

• Sidewalks

All restored surfaces shall be returned to a condition equal to or better than that existing prior to construction.

2.1.17. Planned Outages

• Minimum fifteen (15) business days advance notice

• Written Government approval prior to any outage

• Coordination with:

• Civil Engineering Squadron (CES)

• Security Forces

• Fire Department

• Communications

• Operations

2.1.18. Grounding

Contractor to test:

• Equipment grounding conductor continuity

• Ground rod resistance

• Bonding continuity

2.1.19. Energization

Prior to placing the system into service, the Contractor shall verify:

• Correct phasing

FWJH262710

July 16, 2026 Page 9 of 16

• Voltage

• Phase rotation

• Transformer operation

• Proper load operation

2.1.20. Infrared Thermographic Scan (After Energization) contractor to perform infrared scans of:

• Transformer

• Medium-voltage terminations

• Elbows

• Electrical connections

• Primary cabinet

2.1.21. Cable Identification

Contractor to provide:

• Permanent cable identification tags

• Phase identification

• Circuit identification

2.1.22. Warranty

• Minimum one-year workmanship warranty

• Manufacturer warranties for all installed equipment

2.1.23. As-Built Documentation

• Redline drawings

• Final as-built drawings

• Final cable routing

• Conduit depths

• Cable identification schedule

• Certified test reports

2.1.24. Submit complete testing and commissioning reports for Government review and approval prior to final acceptance.

2.1.25. Restore all disturbed areas to original or better condition, including concrete, pavement, and landscaping.

2.1.26. Contractor responsible for disposal of material.

2.1.27. All work and planned outages shall be coordinated with the 147 Civil Engineer

Squadron (CES) a minimum of two (2) weeks prior to commencement.

2.1.28. Final inspection will include representatives from 147 CES, Fire Department, Safety, Communications, Security Forces, and Environmental. All deficiencies shall be corrected prior to project closeout.

FWJH262710

July 16, 2026 Page 10 of 16

3. SPACE TILE, FUNCTION AND SPECIAL REQUIREMENTS

3.1. Architectural: No Special Requirement (NSR)

3.2. Structural: No Special Requirement (NSR)

3.3. Mechanical: No Special Requirement (NSR)

3.4. Electrical: No Special Requirement (NSR)

FWJH262710

July 16, 2026 Page 11 of 16

3.5. Communications: No Special Requirement (NSR)

3.6. Fire Protection: No Special Requirement (NSR)

3.7. Equipment: Reference No Special Requirement (NSR)

3.8. Security: Compliance with 5105.21 Volume 2 (NSR)

3.9. Technical Order (TO): No Special Requirement (NSR)

3.10. Environmental: Reference No Special Requirement (NSR)

3.11. Structural Interior Design: No Special Requirement (NSR)

4. HOURS OF OPERATION/DAILY WORK HOURS

The government's regular hours are from 6:30 to 1530 Monday, and 6:30 to 5:00 Tuesday through Friday, except Federal Holidays as listed below and other days specifically designated by the Contracting Officer. There may be certain days that are deemed down days for Air National Guard members approved by the installation commander that are not listed below.

These days will be conveyed to the contractor’s Project Manager 72 hours in advance.

Date Holiday January 01 New Year’s Day 3rd Monday in Jan. Birthday of Martin Luther King, Jr.

3rd Monday in Feb. Washington’s Birthday Last Monday in May Memorial Day June 19th Juneteenth National Independence Day July 4th Independence Day 1st Monday in Sept. Labor Day 2nd Monday in Oct. Columbus Day November 11th Veterans Day 4th Thursday in Nov. Thanksgiving Day December 25th Christmas Day

5. GOVERNMENT FURNISHED ITEMS

5.1. The 147th Civil Engineer Squadron will provide the contractor access to existing engineering plans, drawings, diagrams, aerial photographs, digitized map files, etc., to facilitate evaluation of the site(s), as needed or requested for reference only.

5.2. Arrange with the COR for the following as needed:

https://www.esd.whs.mil/Portals/54/Documents/DD/issuances/dodm/510521m_vol2.pdf

FWJH262710

July 16, 2026 Page 12 of 16

5.2.1. Personnel identification badges, vehicle passes, and/or entry permits.

5.2.2. As required, provide escorts for contractor personnel working in secured areas.

6. NOTIFICATION OF PROBLEMS

The contractor shall report to the COR any evidence of potential problems at the time the condition is first noticed.

7. QUALITY CONTROL & QUALITY ASSURANCE

All test results shall be submitted to the Government and approved prior to final acceptance

Testing, inspection, and acceptance shall comply with the latest applicable standards, including but not limited to:

• UFC 1-200-01

• UFC 3-501-01 Electrical Engineering

• UFC 3-550-01 Exterior Electrical Power Distribution

• UFGS 33 71 02 Underground Electrical Distribution

• UFGS 26 05 19 Conductors and Cables

• UFGS 26 08 00 Commissioning

• NFPA 70 (NEC)

• NFPA 70E

• IEEE C2 (NESC)

• ANSI/NETA ATS

• OSHA 29 CFR 1926 Subpart K

• EM 385-1-1

• AFMAN 32-1063

• AFI 32-1065

• ATTACHMENTS

7.1. Attachment 1 – Existing Electrical (1)

7.2. Attachment 2 – Existing Electrical (2)

7.3. Attachment 3 – Existing Electrical (3)

7.4. Attachment 4 – Electrical Panel Inside (1)

FWJH262710

July 16, 2026 Page 13 of 16

Attachment 1 – Existing Electrical (1)

FWJH262710

July 16, 2026 Page 14 of 16

Attachment 2 – Existing Electrical (2)

FWJH262710

July 16, 2026 Page 15 of 16

Attachment 3 – Existing Electrical (3)

FWJH262710

July 16, 2026 Page 16 of 16

Attachment 4 – Electrical Panel Inside (1)