25OCH0019 SOW Solar Array.pdf

Federal Law Enforcement Training Centers U.S. Department of Homeland Security 9000 Commo Road – STOP 4000 Cheltenham, Maryland 20588-4000

DATE: 3 July 2025

SCOPE OF WORK

WR # TITLE REVISION

Solar Array Preventive Maintenance 0

1. GENERAL REQUIREMENTS:

1.1 Location: The main center of the Federal Law Enforcement Training Center at 9000 Commo

Road, Cheltenham, Maryland 20588-4000.

1.2 The Contractor shall provide all travel, labor, materials, equipment, and supervision necessary to provide quarterly Inspections and preventive maintenance for the solar array as specified herein.

2 Array Inspection

2.1 During the array inspection, clearly photograph all reported issues. If issues are found, mark the location on the site drawings. The more photographs the better.

2.2 Perform module racking and foundation preventative maintenance procedures per manufacturers requirements.

2.3 Check mechanical and structural integrity of the system. Visual & mechanical check of all racking and module mounting hardware. Tighten as necessary.

2.4 Check array for broken modules as well as excessive module dirt/debris. Check modules for hot spots, delamination, and j-box failure.

2.4.1 Check arrays for shading and/or possible future shading.

2.4.2 Check array for hanging string wiring/wiring in contact with sharp edges. Re-support/tie wrap as necessary. Check inter-row conduits for supports/clips.

2.5 Check for unserviceable or missing system labeling throughout the system.

2.6 Inspect combiner box/string inverter racking making sure it is securely fastened and ballasted.

3 Electrical Inspection

3.1 Visually check overhead utility lines/poles/equipment (recloser, any equipment mounted to poles) for tree contact, overhead insulator spacing, pole support or any other issues. Check pole grounding. Photograph issues or potential issues.

3.2 Inspect transformer, photograph transformer gauges.

3.3 Visually inspect all equipment for animal infestation, water/weather tightness and signs of moisture. Photograph and note issues and locations. Where signs of moisture or standing water are present, a ¼” weep hole should be drilled, and desiccant added.

3.4 Visually inspect all feeder terminations for corrosion. Photograph any corrosion and note location.

3.5 Inspect conduit and equipment penetrations to ensure sealant is applied properly and not degrading. Please specify type of sealant used.

3.6 Check power terminations/connections including DC combiner boxes, DC and AC disconnects, inverter connections and re-torque as necessary.

3.7 Test ground continuity and correct any unsafe or abnormal issues.

3.8 Visually verify conduit clips are properly fastened.

3.9 Visually verify expansion fittings are still within specified tolerance.

3.10 Check all fuses in inverters, combiner boxes, and disconnects (AC&DC). If any fuses are blown please document type, size, location and if it was replaced during inspection

3.11 Check all surge suppressors and lightning arrestors, both AC&DC. If any suppressors/arrestors are blown, document/photograph manufacturer, type, location and if it was replaced during inspection.

3.12 With the Inverter(s) powered off, exercise all circuit breakers and disconnects.

4 Inverter Maintenance

4.1 Perform Inverter manufacturer recommended maintenance as listed in the manual. Complete provided manufacturer checklist where applicable.

4.2 Air Cooled Inverter Cleaning

4.2.1 Photograph inverter and air filters in the dirty and clean state. Comment on whether the filters need replacement or not. If replacement filter is needed, please provide a clear photo, L x W x H measurements, and quantity needed.

4.2.2 Vacuum inverter heat sinks, inverter air filters and inverter interior

4.2.3 Verify cooling fan operation.

4.3 Liquid Cooled Inverter Cleaning

4.3.1 Photograph inverter chiller fluid levels.

4.3.2 Check coils of cooling units for dirt/debris. Clean as necessary.

4.3.3 Verify chiller operation.

5 Data Collection

5.1 Test and record voltage, amperage and irradiance of the arrays at the string level and provide data separated and labeled. Minimum Irradiance 200 W/m2 , readings taken as a group shall be under similar irradiance.

5.2 For abnormal string readings, pinpoint reason for the abnormality. If the reason for the abnormality is a failed module, IR photograph failed module and provide photographs of the modules serial number and nameplate. Mark location on site drawings and on the module in the field.

6 Infrared Imaging

6.1 String Inverter

6.1.1 Inspect and photograph inverter wiring/disconnect fuse compartment (fuse holder terminations and feeder terminations), AC breaker connections and main breaker connections in panelboard (line and load sides), transformer distribution connections (low voltage side).

7 Indefinite Delivery, Indefinite Quantity (IDIQ)

7.1 The contractor shall provide a detailed line item estimate to the contracting officer for evaluation and approval before repairs are made to any structure.

8 QUALITY CONTROL/ASSURANCE

8.1 The Contractor will be responsible for the quality control of all work performed. All work must be performed in accordance with industry standards, manufacturer’s specifications, project drawings, installation instructions/recommendations, related documents provided and in compliance with all applicable codes and regulations to include State Codes and or local authority.

All work must be performed by a qualified Technician.

9 EXECUTION

9.1 The Contractor shall contact the Contracting Officer within 48 hours of receiving a Request for

Proposal (RFP) to schedule a site visit. A site visit is recommended but may not be required.

Please contact the Contracting Officer, Tyshawn Neals at 843-745-2761 or email at

Tyshawn.neals@fletc.dhs.gov to schedule a site visit.

9.2 Drawings and or site maps will be provided upon request.

10 PERIOD OF PERFORMANCE

10.1 The period of performance is expected to begin no later than October 1, 2026, and is dependent on security credentialing. The principal period of service shall be Monday through

Friday from 7 AM until 5 PM eastern time, except for federal holidays.

10.2 In addition to the base period, there will be four (4) option periods as follows:

10.2.1 Base Period: Notice to proceed through October 1, 2025;

10.2.2 Option Period 1: October 1, 2026 through September 30, 2026.

10.2.3 Option Period 2: October 1, 2027 through September 30, 2027.

mailto:Tyshawn.neals@fletc.dhs.gov

10.2.4 Option Period 3: October 1, 2028 through September 30, 2028.

10.2.5 Option Period 4: October 1, 2029 through September 30, 2029.

10.3 The Federal Government observes the following holidays:

10.3.1 New Year’s Day

10.3.2 Martin Luther King’s Birthday

10.3.3 Presidents Day

10.3.4 Memorial Day

10.3.5 Independence Day

10.3.6 Labor Day

10.3.7 Columbus Day

10.3.8 Veteran’s Day

10.3.9 Thanksgiving Day

10.3.10 Christmas Day

11 INSPECTIONS

11.1 The Government reserves the right to perform initial, follow-up, and final inspections and acceptance of all work.

12 CLEAN-UP

12.1 Clean-up work sites by removing construction materials and debris on a daily basis. At the end of the project, restore sites and work areas to original conditions. ALL DEBRIS WILL BE

REMOVED FROM JOB SITE if applicable.

13 SAFETY

13.1 The Contractor will perform all work in accordance with the safety requirements of an approved

Safety Plan for this Contract, and the FLETC Safety Program. Comply with all safety regulations as set forth in forth in CORPS OF ENGINEERS (COE) COE EM-385-1 (1992) Safety and Health

Requirements Manual and the CODE OF FEDERAL REGULATIONS (CFR) 29 CFR 1926

REGULATIONS OF CONSTRUCTION.

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