Attachment 21 - CLS 500 Electrical Services_12 Apr 22.docx

Electrical Services

04/20/2021

Table of Contents

1.0 General Information

1.1 Overview. Contractor shall provide electrical service and repair to electrical systems at DPG. Electrical systems include, but are not limited to, emergency generators, emergency lighting inverters, fire alarms, facility electrical, traffic control, intrusion detection, airfield lighting, resistance testing, all poles, and lights (including solar generated lights), secondary electrical distribution, solar Photo Voltaic (PV) arrays, transformers, substations and the main distribution system electric SCADA system. The Contractor shall be capable of performing work on electrical systems with the system energized.

Electrical power [9.5 Megawatt (MW)] is supplied to Dugway Proving Ground by Rocky Mountain Power into the Government owned main substations. English Village Main Substation one (1) is located at the intersection of Stark Road and Valdez Circle; five (5) Mile Hill Substation two (2) is located on the south side of Stark Road approximately five (5) miles past ACP 2. Ditto Substation three (3) is located just south of D Street in the Ditto Complex. Dugway Proving Ground owns and maintains approximately 1,465,336 Linear Feet of overhead power lines and approximately 401,360 Linear Feet of underground power lines.

The Contractor shall maintain security and operational control of the solar array switch gear for emergency shutdown and shall ensure the solar switches are kept closed to prevent loss of power. If the Contractor takes the solar array offline for more than an hour during switching the Contractor shall notify the COR. Maintain sole key control for the solar array switch gear.

Internal building wiring systems are 480/277 volt, 208/120 volt three phase and 120/240 volt single phase.

The EDS utilizes primary, secondary, and tertiary distribution lines. The EDS design is ten (10) megawatts and is intended to satisfy requirements of the current Electrical demands of DPG. A brief description of the major operational units in the EDS can be found in TE FFFF.

1.2 Family Housing. Family Housing is Government owned at Dugway Proving Ground. This includes all housing units, exterior facilities (to include play areas), utility service laterals leading from the point of connection to the facility, and facilities used directly for the owners commercial or administrative benefit. The Contractor shall maintain the utility mains to the point of service connection. Electrical service is maintained to the service electrical meter. Water quality to housing units is included in this PWS. Street lighting in Housing is also maintained by this PWS. This shall include transformers.

2.0. Description of Services

2.1 Primary Electrical Distribution. Provide operations and maintenance plan necessary for the supply of continuous power to all electrical systems and components in the substations owned by the Government. The electrical power distribution to Dugway Proving Ground facilities includes, but is not limited to, the cantonment areas and the remote areas of Dugway Proving Ground.

2.2 Provide O&M Plan. Provide operations and maintenance plan necessary for the supply of continuous power to all electrical systems and components in the substations owned by the Government. The electrical power distribution to Dugway Proving Ground facilities includes, but is not limited to, the cantonment areas and the remote areas Dugway Proving Ground.

2.3 Supplying continuous power. The Contractor is responsible for supplying continuous power to Dugway Proving Ground. Respond and take action upon notification of an electrical emergency in the cantonment areas to safeguard life and property within ½ hour during normal duty hours and within two hours during non-duty hours. In remote areas, response time shall be one (1) hour during normal duty hours and three (3) hours during non-duty hours. The Contractor shall work until the problem is corrected.

2.4 Status of Repair Work. Notify the COR of the status of the repair work, the area or building affected, and estimated down time if repairs cannot be completed at that time and ensure danger or risk is eliminated. Utilize a mobile generator when necessary to provide continuous power but the Contractor shall continue repairs until completed.

2.5 Outage Reporting. Notify the COR and Technical monitor of power outage that affects an entire building or large outage areas affecting multiple buildings. Provide an outage deliverable to the Government within twelve (12) hours that gives a brief description of the outage, cause, and repairs made and duration of the outage. All power outages shall be reported verbally to the COR within thirty (30) minutes and written report following within twelve (12) hours IAW TE DDD, deliverable 6.055.

2.5.1 Scheduled Outages. Schedule and perform outages IAW Dugway Proving Ground Regulation 420-19 and perform scheduled outages upon request of the Government. Outages shall be scheduled and processed under the direction of DPW.

2.6 Facilities to be demolished. Properly disconnect electrical from facilities identified for demolition.

2.7 Electrical support. Provide electrical support to others with isolating an electrical line or service, opening vaults, pits or manholes or locating an electrical line.

3.0 High Voltage and Lock-Out/Tag-Out Program.

3.1 Personnel Qualifications. Ensure contractor personnel working on Electrical systems below 600V or High Voltage Systems 600V are "Qualified in accordance with requirements set forth in the National Electric Safety Code, OSHA and UFC-3-560-01, Electrical Safety O&M and National Electric Code”.

3.2 De-energized for maintenance. Ensure all electric voltage sources de-energized for maintenance purposes have the safety switches, circuit breakers, or fuse box handles mechanically secured in the OPEN position with Lock out tag out to prevent accidental energizing while conducting maintenance IAW AR 420-1.

3.3 Identification labels. Install and maintain asset identification labels on all major electric system components to include but not limited to poles, transformers, switches, vaults, manholes, capacitor banks, streetlight, and walkway lighting poles.

3.4 New asset identification labels. Place new asset identification labels, update map information and update maintenance data base within seven days of installation or any changes to the electrical distribution system. Provide new asset identification number for work being completed on other projects and contracts within seven days of the request along with a copy to the Government.

3.5 Electric system one-line map. Utilize the electric system one-line map during routine operation and maintenance and as discrepancies are found. Provide updates to the technical monitor by email.

As-built drawings, design documents, and technical manuals for most facilities are available for review at the GIS Office or Technical Library. The Contractor is advised that existing record drawings and maps of facilities vary in accuracy in showing as-built or actual status. Since some record drawings may not be completely accurate, the Contractor shall perform field verification of drawing accuracy prior to performance of work then provide any identified updates to the COR and others provided by the COR five (5) days after identification IAW TE DDD, Deliverable 6.034.

3.6 Electric Equipment Secured & Locked. Ensure all primary electrical equipment is secured and locked to prevent access to general public. Ensure key locks for transformers, switches, and field systems are keyed alike. Ensure substations are keyed separately and shall not match transformers, switches, and field systems. Maintain key control for substation locks and electric system equipment locks.

4.0 Substations.

4.1 Operate, Maintain & Repair. Operate, inspect, and maintain, electric substations. Ensure areas are secure; fences and gates are connected to ground grids or mats; high voltage warning signs are mounted on fences and gates; gates are locked except when authorized personnel are in the area; and grass, weeds and debris are removed from inside the fenced enclosure.

4.2 Maintain, Test & Repair. Maintain, and test, electrical substation circuit breakers, associated protective relays, meters, transfer switches, DC station power systems and battery charges and all associated substation switchgear equipment.

4.3 Visual Inspection. Visually inspect EV Substations, Five Mile Hill Substation, and Ditto Substation to include the Installation Generator Plant Building weekly. Clean dirt and grime from the substation power distribution centers at all substation weekly. Ensure the connections are tight, wiring is not damaged and there is no visible damage. Record load readings, temperature, trip readings, and type of targets of all circuit breakers in substation logbook.

4.4 DC battery systems. Maintain, test and replace DC battery systems at all Substations IAW manufacturer’s recommendations to ensure mechanisms remain fully operational. Record once a month information such as voltage, specific gravity, and level of electrolyte in battery, temperature, and charger voltage, and ensure all connections and wiring are clean and free of dirt and corrosion. Records shall be maintained in the substation logbook at each substation.

4.5 Identifying Possible Problems. Utilize infrared imaging equipment during maintenance to locate and identify possible problems with substation equipment. If any problems are identified during maintenance, notify the COR immediately, then take immediate corrective action.

4.6 Testing Electrical Substations. Test all electrical substations for proper operation during contract during option years two (2) and four (4). Work shall include, but is not limited to, breaker and relay operation testing, insulation, grounding system testing, meter calibration, and IR inspection. All testing records shall be maintained during the life of this contract and be turned over to the Government at the end of this contract.

4.7 Substation power transformers. Operate, inspect, and maintain substation power transformers at all Substations. Check oil levels, nitrogen pressure and nitrogen bottle level. Record tap positions and Load Tap Changer counter operations. Perform yearly Dissolved Gas Analyses (DGA) tests on the Substation Power transformers. Maintain records for all testing.

4.8 SCADA System. Operate and maintain the electric substation SCADA systems, to include the SCADA Master HMI server located in the electric shop and the SCADA remote terminal located in the utility monitoring section twenty-four (24) hours, seven (7) days a week. Maintain all SCADA equipment located in the three Dugway Proving Ground electric substations to include but not limited to RTUs, DDIO, Positron units, modems, and various other items, to ensure the system is fully functional.

5.0 Primary Power Distribution.

Operate, Test, Maintain, & Repair. Operate, test, maintain, and repair the overhead and underground electrical distribution system to include all primary electrical distribution and secondary building services. Perform maintenance to ensure proper operation of equipment and continuity of power. Work shall include but not be limited to the inspection, maintenance, repair or replacement of overhead and underground electric system equipment.

6.0 Overhead Electric Distribution.

6.1 Inspect & Maintain Government owned poles. Inspect and maintain Government owned poles. Inspect all poles once during the contract period. Repair or replace loose hardware and all connections shall be tightened. Replace damaged wood poles; straighten leaning poles, replace, or install anchors and down guys to maintain structural support and to minimize stress on poles. Relocate poles as necessary for operational purposes.

6.2 Replace Poles. Replace poles using the size and class of pole needed to support structure for overhead distribution, but not less than the size and class of the existing pole. Replace damaged or deteriorated cross arms and bent, broken or missing bolts and braces. Utilize spring-lock washer hardware on poles. Dispose of the old poles.

6.3 Remove Abandoned Lines. Remove abandoned phone lines and fire alarm wiring from poles during routine maintenance or upon request of the government. Contact the Government for guidance regarding questions on abandoned lines or wiring.

6.4 Visual Inspection. Visually patrol all overhead primary lines at least quarterly to identify problem areas.

6.5 Trees & Debris. Trim all trees as necessary in order to maintain at least ten (10) feet between any portion of the tree and power lines. Maintain conductors free of debris and extraneous items (e.g., boots, kites or debris).

6.6 National Electrical Safety Code. Follow National Electrical Safety Code (NESC) to prevent overhead lines from contacting each other.

6.7 Inspect Poles and Equipment. Inspect pole top switches and equipment two times during the contract performance with 18-24 months between each inspection. Inspect for loose or damaged components, insulators, connections, operation levers and utilize infrared equipment during maintenance to locate, identify and correct possible problems.

6.8 Raptor protection. All new poles must comply with APLIC avian electrocution prevention guidelines. BOSS contractors shall work with the Environmental Programs Natural Resources Office (NRO) to promptly address existing overhead utility poles that cause electrocution of birds protected under the Migratory Bird Treaty Act or the Bald and Golden Eagle Protection Act or meet certain criteria for being high risk for causing avian electrocution.

BOSS contractors shall install and maintain raptor protection as needed on existing overhead power lines and poles. The Government will provide details of which overhead utility poles require raptor protection and what equipment is recommended.

The Bald and Golden Eagle Protection Act (16 U.S.C. 668-668c, BGEPA)

The Migratory Bird Treaty Act (16 U.S.C. 703-712, MBTA)

Electrical Lineman are to comply with the following:

· The Government will identify which poles are in need of retrofit and communicate that information to electrical lineman (information sheets will be provided by the NRO showing location, photo, and recommended equipment needed to retrofit high-risk poles) If wildlife electrocutions occur, the lineman shall report the electrocution to the NRO by COB the same day. The lineman shall retrofit any poles that cause electrocution of any wildlife species and report completion to the NRO within thirty (30) calendar days.

· Lineman shall document and report retrofits to the NRO.

· The NRO will document and inspect the retrofits to ensure they meet APLIC standards, and the pole is no longer determined to be a risk for causing avian electrocution.

· Avian protection equipment must be visually inspected annually by lineman to ensure it remains installed and functioning correctly.

7.0 Underground Electric Distribution.

7.1 Inspect, operate, maintain, replace, or repair. Inspect, operate, and maintain, replace, or repair the underground electrical distribution equipment to facilities. Equipment consists of, but is not limited to, pad-mounted switches, separable connectors, junction points, cable terminations, vaults and manholes and all related underground components.

7.2 Vaults & Manholes. Inspect, maintain, and clean electrical vaults and manholes IAW the maintenance plan. Properly maintain records of maintenance performed, including an inspection sheet with a butterfly drawing showing entry conduits, cable location and junction points.

8.0 Pad-mounted switches.

8.1 Inspect, Maintain and Repair. Inspect and perform maintenance and repair on pad-mounted switches two times during the contract performance with 18-24 months between each inspection and maintenance cycle. Keep a record of the maintenance performed on switches that includes an inspection sheet with a switch-layout drawing showing cable size to and from location, fuse size, amp readings for all lines and date of maintenance.

9.0 Transformers.

Dugway Proving Ground has two types of Transformers; pole mounted and pad mounted types.

9.1 Inspect, Maintain, & Test & Repair. Inspect, maintain, and test and repair transformers one time during contract between option years two and four. Maintain a record of maintenance performed on each transformer to include voltage and amp readings, date, time, and ambient temperature. Notify the COR before replacing if the transformer is found to have a problem.

9.2 Maintain records. Maintain records of all transformers in and out of service. Include the Asset ID number, location, manufacturers name, size, date installed, voltage, and phase, impedance, fusing style, live or dead front, inspection dates, and load information, gallons of oil and condition coordinate location. Make records available to the Government for review upon request.

10.0 Capacitor Banks.

10.1 Dispose. Inspect, maintain, and test and repair capacitor banks to ensure continuity of service. Remove and replace a capacitor found leaking; Dispose in accordance with the Dugway Proving Ground PCB Handling and Control Procedures Plan. Reference TE-HH.

10.2 Inspect Capacitor Banks. Inspect the capacitor banks quarterly. Replace capacitor if bulging, punctured, or inoperative. Check for visual flash over damage, clean and remove vegetation, weeds, spiders, rodents, and debris. Verify operation of automatic capacitor banks, record operations and maintain records for all capacitor banks. Ensure control instrument light bulbs in control panels are operable.

10.3 Relocate capacitor banks. Relocate capacitor banks as needed to maintain proper power factor of 95% to 99%.

11.0 Street Lights, Photovoltaic/Photocells and Poles.

11.1 Street Lights, Photovoltaic/Photocells and Poles. Streetlights, poles, school light timers and gate flashers are shown on the installation basic information maps. Maintain all street lighting and street lighting circuits on Post.

11.2 Repair, Replace, Troubleshoot, & Maintain. Repair, replace, Inspect, troubleshoot, and maintain poles, streetlights, and school light timers IAW O&M manuals and manufacturer’s specifications. Replace missing and damaged access covers on light poles. School light timers shall be set for school days, holidays, weekends, and summer.

11.3 Perform Lighting Surveys. Perform lighting surveys to identify lights out and schedule repairs as needed to ensure the above lighting levels are maintained per below. Ensure exterior lighting is off during daylight hours. When making repairs, all lights shall be made working in lieu of meeting percentage below. TE EEEE.

11.4 Exterior lighting. Turn off exterior lighting as an energy savings measure when directed by the KO.

12.0 Airfield Lighting System.

12.1 Airfield Lighting System. The airfield lighting system includes, but is not limited to, airfield beacons, apron lights, above ground threshold lights, Precision Approach Path Indicator (PAPI), Omni Directional Approach Lighting System (ODALS), runway lights, helicopter pad lights, semi flush airfield lights, approach lights, aircraft clearance lights, tower and base operation lighting controls, various transformers, unlighted warning devices, lighted wind socks, lighting vaults, cabling, wiring, lighting constant current regulators (CCR).

12.2 Repair, Replace, & Maintain. Repair, replace and maintain airfield lighting system IAW most current Federal Aviation Administration Advisory Circular 150/5340-26C O&M manuals, and manufacturer’s specifications.

12.3 Fully operational. Ensure airfield lighting system is fully operational at all times.

13.0 Facility Electrical Systems.

13.1 Repair, Replace, Inspect and Maintain. Repair and replace, Inspect and maintain IAW National electric Code, O&M manuals and manufacturers specifications, facility electrical systems and components including, but not limited to, panel boards, load centers, service entrance and distribution panels, fire exit signs, smoke detectors, breakers, wiring, raceways, grounding rods, cables, cords, photo cells, receptacles, static ground points, ground points, electrically operated cargo doors, variable frequency drives, boiler and heating control systems, lighting fixtures, switches, mechanical and programmable timers, magnetic and manual starters, contactors, electric motors, electric heaters, heat trace heat tapes and PV solar equipment.

13.2 Replace batteries. Replace batteries in UPHs building smoke detectors no less than once annually. Schedule and track battery replacement and provide information to the Government when requested.

13.3 Repair, Test, Trouble Shoot, & Maintain. Repair, test, trouble shoot and maintain specialized and proprietary electric systems and equipment. This includes, but is not limited to, advanced computer-controlled lighting systems and from manufactures such as Lutron Quantum, Hubbell CX and other various lighting control manufactures; Uninterruptible Power Supply (UPS) system from manufactures such as Account Process Code (APC), Schneider electric, Liebert/Emerson power, Eaton Power Ware. Power control systems running I-Fix & I-Power software; Microgrid control system running IPERC software; Relaying and control equipment from Schweitzer Engineering; Woodward Generator controls; Nova Tech RTU and DDIO; 400 Hz frequency converters by Unitron among other various systems.

13.4 Additional requirements. Install additional lights, outlets, and switches to support electrical requirements as approved by the KO via the COR.

14.0 Emergency Generator Systems.

14.1 Emergency Generator Systems. Emergency generator systems provide backup electrical power to support critical facilities. When an emergency generator system will be out of service due to maintenance or repairs for twelve (12) consecutive hours or more, a temporary generator system is required. Emergency generator system components include, but are not limited to, diesel drive units, power units, automatic transfer switches, raceway systems, wiring systems, cable systems, electrical distribution panels, metering and monitoring systems, day tank monitoring systems, batteries, and electrical driven fuel transferring systems. Emergency generator information is listed in TE-JJ. Provide a Generator hour log to the COR monthly NLT 7th business day IAW TE DDD, Deliverable 6.056. Example of deliverable is in TE-JJ-1.

14.2 Repair & Maintain. Repair and maintain emergency generator systems IAW TM-5-685 & NFPA 110 Standards on Stored Electrical Energy Emergency and Standby Power Systems, O&M manuals, and manufacturer’s specifications on all emergency generator systems. Notify the COR when an emergency generator system is unable to supply emergency power. Provide temporary emergency power in these situations based on the facility load. Check with EMCS for facility load requirements.

14.3 Opacity Testing. Perform method nine opacity testing during scheduled maintenance of emergency generators. If the emissions from the exhaust exceed 20% opacity, immediately stop the generator, and notify the COR and DPW-ED.

14.4 Operational checks. Perform operational checks after each emergency generator system repair and after natural or man-made power outages IAW O&M manuals and manufacturer’s specifications. Coordinate maintenance that interrupts power with facility occupants prior to performing maintenance cycles.

14.5 Emergency power. Validate that emergency generator systems supply emergency power within the timeframes specified by the O&M manuals or manufacturers specifications when a power outage occurs.

14.6 Generator Logbooks. Fluid levels shall be maintained within normal operating range. Batteries shall be free of corrosion and fully charged, generator enclosures shall be keep neat and clean. Emergency generator logbooks shall be current and accurate, stored at the generator and protected from weather. Maintain a maintenance report record that includes generator manufacture information, generator size, S/N, run hours, voltage and amperage readings date and time.

14.7 Perform operational checks. Perform operational checks every ten to twelve (10-12 hours during power outage and log in the book. Contact Logistic Readiness Command POC for replenishing fuel until power is restored. Post power outage operational checks shall be performed within one working day of restoration of power.

14.8 Manually test. Manually test NEC communication node generators under load every two weeks for one hour after unit reaches stable temperature. Ref TM-5-692-1 and the DES Dispatch Center, English Village Fire Station, Ditto Fire Station, Ditto Fire Department Staging Facility every week for one hour after unit reaches stable temperature.

15.0 Emergency Lighting Systems.

15.1 Emergency Lighting Systems. Inventory of buildings is listed in TE-Q Real Property Facilities.

15.2 Replace, Repair, & Maintain. Replace, repair, and maintain all emergency lighting systems and components in buildings listed in TE-Q Real Property Facilities including, but not limited to, exit signs, emergency light units, inverter units, batteries, and electrical distribution panels.

15.3 Perform Functions Test. Perform a function test on each emergency light fixture, exit sign or emergency system for two minutes once a year. Install inspection label with current date serviced and employee number, to each emergency light, exit sign or inverter after test or maintenance. A label example is located in TE-KK.

15.4 Emergency lighting requirements. Emergency lighting systems shall supply emergency lighting requirements IAW UFC 3-530-01 and NFPA 101 when a power failure or power interruption occurs. Batteries shall be fully charged, free of corrosion, and electrolyte level shall be maintained within normal operating range.

16.0 Uninterruptible Power Supply (UPS) Systems.

16.1 Uninterruptible Power Supply (UPS) Systems. UPS shall supply emergency power based on its size and battery capability when a power failure or power interruption occurs. UPS systems are installed in several critical building that requires uninterruptable facility power. UPS system installed supporting non-real property equipment, such as computer server rack mounted systems, are not included in this PWS unless specifically identified. UPS locations are identified on TE-LL.

16.2 Repair, Replace, Test, & Maintain. Repair, replace, test and maintain UPS systems and components including, but not limited to, control units, batteries, wiring, and associated hardware IAW manufacture recommendations NFPA 111 and O&M Manuals.

16.3 UPS Logbooks. Log repair and maintenance actions on a UPS System Logbook and store logs with each UPS.

16.4 UPS Batteries. Ensure batteries are free of corrosion and fully charged. Include in monthly maintenance records: recording battery terminal and pilot cell voltages; recording ambient temperatures; check for abnormal conditions and corrosion; clean cell terminals; and check for proper ventilation, voltage, and amperage readings. Include in semiannual maintenance: record all cell voltages; total battery terminal voltage; record panel meter voltage and record rectifier-charger current. Perform during annual maintenance: torque cell and terminal plate nuts and bolts to manufacture recommendations.

17.0 Fire Alarm Systems.

17.1 Fire Alarm Systems. All facilities that have fire alarm systems many reports to the Fire Department Control Center when alarmed. Some are local alarms that do not report to the Fire Department Control Center. These are all critical systems that shall be maintained and coordinated with the Dugway Proving Ground Fire Department when issues arise. Dugway Proving Ground Fire Department Control Center or the COR will notify the Contractor of any fire alarm system problems.

17.2 Repair, Maintain, and Test, & Replace. Repair, maintain, and test and replace fire alarm systems and components including, but not limited to, panels, enunciator panels, central station receivers, transmitters, transmitter interfaces, interface panels, transmitter antennae, initiating devices, signaling devices, supervisory devices, auxiliary devices, computer system, cables, wiring, and raceways.

17.3 Notification. Notify facility occupants, COR and Dugway Proving Ground Fire Department Dispatch Center when a system is out of service for repair or maintenance and when a system will be out of service eight continuous hours or more.

17.4 Ensure FA Transmits Alarms. Ensure fire alarm systems transmit alarms to Fire Department Dispatch Center upon activation of an initiating device. Complete work the workday following receipt of parts if parts needed to be ordered. Ensure fire alarm systems are not left in alarm condition.

17.5 Testing FA Systems. Systems shall be tested per guidance given in UFC-3-601-02 and NFPA requirements. Child Development Centers & Child Youth Service facilities shall be tested IAW UFC 3-600-02 and UFC-3-601-02 requirements.

18.0 Lightning Protection System (LPS).

18.1 Lightning Protection System (LPS) & Static Ground Points Resistance Testing. Resistance testing is performed at the Ammunition Supply Point (ASP) Ammunition Holding Area (AHA), and other known facilities. A listing of all known test points and testing frequency can be found in section TE-MM.

18.2 Resistance Testing. Perform resistance testing on LPS at the ASP and AHA IAW DA Pam 385-64 Ammunition and Explosive Safety Standards Table 6-1 and Appendix D. Provide resistance test results to the COR five business days after completion of testing.

19.0 Airfield & POL Locations.

19.1 Airfield & POL Locations. Perform resistance testing on MAAF aircraft hangar buildings and parking ramps, IAW TM 1-1500-204-23-1, Aviation Unit Maintenance (AVUM) and Aviation Intermediate Maintenance (AVIM) Manual, POL storage, transfer locations, and electric static discharge points Army Techniques Publication (ATP) 4-43 Petroleum Supply Operations. Provide resistance and static ground points test results to MAAF Base Operations Officer and COR five business days of test completion of testing.

20.0 Test NEC Remote Switch Unit.

20.1 Test NEC Remote Switch Unit. Test the NEC Remote Switch Unit (RSU) IAW Military Standard (MIL STD) 188-124B, Grounding Bonding and Shielding. Complete and submit resistance test prior to expiration date of previous report. Provide resistance test results to the COR within five business days of test completion IAW TE DDD, Deliverable 6.057.

21.0 Inspect, Test and Repair Solar Pv Systems/Microgrid.

21.1 Inspect, and Test & Repair. Inspect, and test and repair PV solar system IAW manufacturer’s recommendations quarterly (4 x per year). The solar PV system is located south of substation 1. Include inspection of the power inverters, solar panels mounting and wiring and overall system operation. Repair any failed components so the PV works as designed. Verify solar output is correct.

21.2 Microgrid Operation and Maintenance. Operate, maintain, and repair the Dugway Proving Ground electric Microgrid. This Microgrid utilizes supplemental power from the Government owned Dugway Proving Ground Solar PV Field, a two (2) megawatt solar array.

21.3 During Microgrid Operation. The Contractor shall observe operation of the Microgrid from one of the (HMI) Human Machine Interfaces located Adjacent to Building 4313. Upon direction from the KO, perform Microgrid HMI system checks every two hours to verify proper system operation while in Microgrid operation mode. Perform operational checks on the Microgrid generators every six hours during operation.

21.4 Function test. Perform a function test of the Microgrid system four times a year to verify proper operation. Include in the test generator to grid load tests for each generator and a full soft start of the Microgrid. Pre-switch the electrical distribution loads from Circuits to an alternate circuit prior to initiation of the Microgrid soft start test to eliminate disruptions.

21.5 Maintain, and Test & Repair. Maintain, and test and repair the system UPS and DC batteries systems. There are five outdoor style UPS systems located at the motor operated pad mounted switches, three UPSs inside the breaker cabinets, and a DC battery system in the 15kv grid sync break. Perform preventative maintenance four times a year on each UPS.