Attachment_1_SOW.pdf

STATEMENT OF WORK

ELECTRICAL DISTRIBUTION SYSTEM INVESTIGATION

(CAMPUS-WIDE)

IE142 – GROUNDS X01 & SUBSTATION BLDG. 61

December 24, 2025

A. INTRODUCTION & BACKGROUND

Sherman Indian High School (SIHS) is an off-reservation boarding high school for Native American students with an enrollment of 308 in grades 9 through 12. The school is operated by the U.S. Department of the Interior’s Bureau of Indian Education (BIE). In the interest of preserving safe and reliable facility operations, it has become necessary to carry out corrective maintenance and targeted upgrades to the campus electrical systems.

Much of the existing electrical infrastructure, including switchgear, panelboards, disconnects, and distribution equipment, has not received consistent servicing and is now showing signs of age, degradation, and neglect. These conditions increase the risk of equipment failure, service interruptions, and damage to sensitive or critical systems such as HVAC.

This Statement of Work (SOW) authorizes the implementation of essential repair and maintenance upgrade tasks across the medium voltage and low voltage electrical systems. These activities are intended to restore baseline system reliability, correct known deficiencies, and extend the service life of existing equipment. All work shall be performed in accordance with NFPA 70B, NFPA 70E, the National Electrical Code (NEC), and other applicable industry standards.

B. OBJECTIVES

The objective of this project is to carry out focused, hands-on repairs and maintenance upgrades that restore the safe and reliable operation of electrical systems serving the SIHS campus. The Contractor shall furnish all labor, materials, tools, equipment, and transportation necessary to complete the work described in this Statement of Work.

This effort is intended to reestablish a maintainable and serviceable electrical infrastructure by addressing long-standing deficiencies that pose safety risks and threaten the reliable delivery of power to classrooms, offices, and critical campus systems. Tasks will be performed on both medium voltage and low voltage equipment and will focus on equipment that is currently operational but degraded, damaged, or at risk of failure due to age, corrosion, environmental exposure, or lack of maintenance.

C. SCOPE

The Contractor shall furnish all personnel, equipment, tools, and materials necessary to perform a targeted repair and preventative maintenance effort focused on the medium voltage and low voltage electrical distribution systems at Sherman Indian High School. The Contractor is responsible for performing hands-on maintenance, making minor repairs where feasible, and documenting all completed work. All activities shall be performed in accordance with applicable BIE requirements, NFPA standards, manufacturer recommendations, and accepted industry safety practices.

The scope of this effort includes equipment servicing, reconditioning, minor part replacement, and other corrective actions intended to restore safe, maintainable, and reliable operation of the electrical system infrastructure. Tasks will be further defined in the Task Identification section of this Statement of Work.

All work shall comply with, but not limited to, the following standards:

Indian Affairs (IA) Design Handbook for BIE School Facilities (Sep 18, 2025) NFPA 70 (2023; ERTA 4 2023) – National Electrical Code NFPA 70B (2023) – Electrical Equipment Maintenance NFPA 70E (2024) – Electrical Safety in the Workplace NETA MTS (2023) – Standard for Maintenance Testing Specifications for Electrical Power

Equipment and Systems UL 467 (2022) – UL Standard for Safety Grounding and Bonding Equipment NEMA WC 70 (2021) – Power Cable Rated 2000 Volts or Less for the Distribution of Electrical

Energy OSHA 29 CFR 1910 Subpart S – Electrical EPA – Tribal, State, and Federal Environmental Regulations DOI – Guiding Principles for Sustainable Federal Buildings

The Contractor shall deliver a professionally written report summarizing all work performed and observed conditions, supported by inspection imagery and documentation. Recommendations for any follow-up repairs or future upgrades shall be included where applicable, along with rough order of magnitude (ROM) cost estimates to support continued planning and project development.

D. TASK IDENTIFICATION

This section outlines the individual tasks that the Contractor shall perform to execute the scope of work.

Each task represents a critical element in diagnosing the condition and performance of the electrical distribution system and substation. The tasks are to be conducted in accordance with applicable standards, and the results will be integrated into a final report with technical analysis and corrective recommendations.

The Contractor shall perform the following tasks:

i. Task 1: Project Coordination and Access

ii. Task 2: Power Quality Monitoring

iii. Task 3: Infrared Inspection and Visual Survey

iv. Task 4: Preventative Maintenance Activities

v. Task 5: Substation Condition Assessment

vi. Task 6: Reporting and Recommendations

Task 1: Administration of Contract: The Contractor shall initiate the project by establishing all necessary administrative, logistical, and safety protocols to ensure the successful and timely execution of the electrical investigation and preventive maintenance activities. These efforts shall support seamless coordination between the Contractor, school personnel, and government stakeholders while preparing for safe site mobilization and operational continuity throughout the duration of fieldwork.

1. Designate a PE-licensed Project Manager responsible for leading the investigation, coordinating stakeholder communication, and overseeing fieldwork execution. The resume of the proposed Project Manager shall be submitted to the COR for approval.

2. Conduct a kickoff coordination meeting with BIE, Planate, and Sherman IHS facility representatives to confirm expectations, schedule site access, and review logistics for building, manhole and substation entry.

3. Submit a Job Hazard Analysis (JHA) and written safety plan that addresses site-specific hazards related to electrical work, preventive maintenance activities, confined space entry, and lockout/tagout protocols. The safety plan shall be compliant with OSHA and NFPA 70E requirements.

4. Prepare a mobilization and access plan including anticipated locations of equipment deployment, areas requiring traffic control, and sequencing of inspections, testing, and maintenance tasks to minimize disruption to school operations.

Task 2: Power Quality Monitoring: The Contractor shall perform comprehensive power quality monitoring to quantify the extent and characteristics of voltage irregularities affecting campus systems. Measurements shall be conducted in accordance with IEEE 1159 and IEC 61000-4-30 to ensure reliable, industry-standard data.

1. Coordinate with the local utility to request monitoring at the main service entrance. The utility is expected to deploy its own Class A monitoring equipment and provide data representing the quality of power delivered to the campus.

2. Install portable Class A power quality analyzers at a minimum of three locations: the primary side of the campus substation switchgear, and at both secondary sections of the substation feeding downstream campus loads.

3. Record continuous power quality data over a monitoring period of no less than seven (7) calendar days, including nights and weekends, to capture representative load and disturbance patterns. All analyzers shall be time-synchronized to ensure accurate correlation of events across monitoring locations.

4. Log and analyze voltage sags, swells, harmonics, flicker, total harmonic distortion (THD), transients, power factor, voltage imbalance and load imbalance.

5. Compare measured data against ANSI C84.1 limits and provide detailed interpretation of results in the final report, identifying any likely correlations between power disturbances and HVAC failures.

6. Include all raw and processed data as part of the project deliverables, along with time-synchronized waveform captures of any significant disturbances.

Task 3: Infrared Inspection and Visual Survey: The Contractor shall carry out thermal imaging and detailed visual inspections of critical MV and LV distribution system components to identify potential points of failure, degradation, or unsafe operation.

1. Conduct infrared thermographic scanning of all accessible electrical equipment, including MV switchgear, bus connections, terminations, and mechanical lugs. Equipment used must meet or exceed NFPA 70B and NETA ATS requirements.

2. Ensure thermographic scans are performed by a Level II or higher certified infrared thermographer.

3. Conduct detailed visual inspections of manholes, underground pull boxes, duct banks, cable trays, MV substation, panelboards, and transformer enclosures for signs of water ingress, corrosion, overheating, loose connections, or degraded insulation.

4. Document all observed deficiencies with annotated IR images and high-resolution photographs, including thermographic temperature data and commentary on severity or urgency of each issue.

5. Summarize inspection findings and potential safety concerns in the final report with prioritized corrective actions.

Task 4: Electrical Testing, Upgrades & Repairs: The Contractor shall assess the condition, functionality, and termination integrity of medium-voltage (MV) and low-voltage (LV) electrical distribution systems across the Sherman Indian High School campus. Testing, inspection, cleaning, and minor upgrade & repair activities shall be conducted at accessible points such as manholes, switchgear, transformers, and panelboards to support the continued safe and reliable operation of the electrical system.

1. Perform insulation resistance (IR) testing on selected MV and LV feeders in accordance with IEEE 400.1 (MV) and applicable NETA MTS guidance (LV). Resistance values and environmental conditions shall be recorded.

2. Conduct continuity, polarity, and phasing tests on conductors to verify integrity and correct identification throughout each circuit. Any discrepancies or degradation shall be documented.

3. Verify torque values of accessible terminations, including mechanical lugs, compression connectors, busbar bolts, and grounding lugs. Torque checks shall be conducted per manufacturer specifications and NETA MTS standards.

4. Clean interior and exterior surfaces of accessible switchgear, panelboards, transformers, and disconnects using appropriate non-conductive tools and dry methods per NFPA 70B.

5. Inspect fuses for proper size, condition, and signs of overheating. Replace expired or visibly damaged fuses with OEM-equivalent units where feasible.

6. Exercise circuit breakers to confirm mechanical operability. Breakers that are stuck, slow, or otherwise inoperable shall be flagged for replacement. If a faulty breaker can be readily replaced without disrupting critical operations or requiring extensive disassembly, it shall be replaced during the course of this work.

7. Record and photograph any evidence of overheating, arcing, loose connections, or damaged insulation.

8. Include all test results and corrective actions (e.g., torque adjustments, fuse replacements, breaker exercises or replacements) in the final report, along with recommendations for any follow-up upgrades or replacement work.

Task 5: Reporting and Recommendations: The Contractor shall prepare and deliver a professionally formatted technical report that documents the investigation findings, upgrades, repairs, and recommended corrective actions. The report shall be suitable for review by BIE technical staff and for use in planning future project phases.

1. Summarize site conditions, observed issues, inspection findings, and test results in a clear, structured format.

2. Document all upgrades and repair activities completed during fieldwork, including breaker replacements, cleaning of equipment, torque adjustments, conductor re-terminations, fuse replacements, oil sampling and servicing, and any other corrective tasks completed under this scope.

3. Incorporate substation-specific analysis drawn from Tasks 2–4, summarizing the condition, configuration, and operational suitability of substation components. Highlight equipment age, compatibility with HVAC systems, and any degradation, oil test results, or risks requiring future capital planning.

4. Include supporting documentation such as annotated infrared images, inspection photographs, torque readings, power-quality charts, waveform captures, insulation-resistance test logs, and oil-sample reports.

5. Identify root causes of power quality disturbances and describe their impact on HVAC system operation and equipment life expectancy.

6. Provide a prioritized list of corrective actions, including both immediate mitigation steps and long-term infrastructure improvements.

7. Develop a rough order of magnitude (ROM) cost estimate for each recommended action, clearly identifying assumptions and level of accuracy based on available data.

8. Submit final report in editable (MS Word) and print-ready (PDF) formats, along with supporting data files and any applicable redlined/as-built drawing updates.

E. SERVICE INTERRUPTIONS & CONTINUITY OF OPERATION

This investigation may require planned outages of campus electrical systems to safely perform certain diagnostic and inspection tasks. The Contractor shall coordinate all electrical shutdowns in advance with the designated school facility manager and BIE representatives to avoid unplanned disruption of school operations.

Due to the urgent nature of the work, the Contractor shall:

1. Provide as much advance notice as possible, but no less than 72 hours, before any required service interruption.

2. Prioritize scheduling of outages during non-instructional hours, weekends, or school breaks whenever feasible.

3. Hold coordination meetings with campus personnel to confirm outage windows, safety measures, and restoration plans.

4. Evaluate whether temporary power is required to maintain critical building operations during shutdowns. Any temporary systems must be installed in accordance with NFPA, NEC, and OSHA standards.

5. Maintain a log of all service interruptions, contingency measures, and coordination actions. Unexpected disruptions shall be immediately reported to the school and included in the final report.

F. TIME FRAMES

The Contractor shall commence work within five (5) business days of receiving the Notice to Proceed (NTP), with all investigative activities, testing, and reporting to be completed on an expedited schedule to support campus operations prior to the summer season. The target completion timeframe for this effort shall not exceed thirty (30) calendar days from the issuance of NTP.

Deliverable Description Due Date (from NTP)

Kickoff Meeting Coordination call with BIE, Planate, and campus personnel to finalize scope, logistics, safety procedures, and access

Within 5 calendar days

Field Investigation Completion Completion of all on-site inspection, testing, and power quality monitoring activities

Within 20 calendar days

Draft Technical Report Draft report including test data, imagery, preliminary findings, and draft recommendations

Within 25 calendar days

Final Technical Report Final, signed report incorporating feedback, prioritized action items, and cost estimates

Within 30 calendar days

G. DELIVERABLES

The Contractor shall provide a final technical report that summarizes all investigation activities, findings, and recommendations. The report shall include:

1. A concise executive summary

2. Descriptions of testing and inspection tasks performed

3. Identified issues and root cause analysis (if determinable)

4. Prioritized recommendations for corrective action

5. Rough order of magnitude (ROM) cost estimates for each item

Supporting documentation shall include test results, power quality data, annotated thermal images, photographs, and any relevant redlined diagrams.

All materials shall be delivered in both editable electronic formats (Word, Excel, AutoCAD, etc.) and print-ready PDFs. Organization and formatting shall be suitable for official review, archival, and use in planning future work.

H. PROJECT CONTACTS

The following individuals will serve as the primary points of contact for administration and coordination of this project:

Project Manager Billy Pewo

Sherman Indian High School Facilities Manager 9010 Magnolia Avenue Riverside, CA 92503

Phone: 951-276-6325 Email: billy.pewo@bie.edu

Contracting Officer’s Representative (COR) Billy Pewo

Sherman Indian High School Facilities Manager 9010 Magnolia Avenue Riverside, CA 92503

Phone: 951-276-6325 Email: billy.pewo@bie.edu

Contracting Officer (CO)

TBD

All project deliverables shall be submitted directly to the Project Manager for review and coordination with the COR and other project stakeholders.

END OF STATEMENT OF WORK