Title Page
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Audit Title
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Client / Site
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Conducted on
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Prepared by
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Location
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Technician(s)
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Site Contact(s)
Site Safety
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Safety precautions must always be observed.
All electrical equipment is to be considered energized.
JSA must be completed prior to beginning work.
CONTACT THE MILLER BROTHERS SOLAR CONTROL CENTER PRIOR TO STARTING WORK
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All individuals entering an MBS operated facility must call the Operations Center prior to entering the gate.
Operations Center Phone: 610-880-7493
MBS Operations requires the following information upon check-in:
- Name(s) of personnel check into the facility
- Company the individual(s) is representing
- A callback phone number that the individual onsite can be contacted at
- The nature of the work to be performed onsite
After work is completed and prior to personnel leaving the facility, individuals must notify the Operations Center using the same phone number.
The Operations Center will verify the status of equipment that was being worked on, if any.
Notifications to the MBS Operations Center are required for every visit into and out of the facility
If an individual leaves and comes back in the same day, it requires a phone call notification each time
If calling before 0700 ET or after 1900 ET, enter prompt command 1 or 2 to reach the on-call operator or prompt command 3 to leave a check in/check out voicemail.
If you have any questions regarding this policy, please contact Ben Knowles, Control Center Manager, at 610-880-7493or bknowles@millerbros.us.
Site Protocols
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Email MBS Analyst upon arrival, departure, and equipment shutdown.
Arrival email should include the reason for visit, names of technicians onsite, and an estimated length of the visit.
DOCUMENTATION
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Site Access Process
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Document if site has a SEL or not
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Document communications (Modem or Hard line). If modem, then document spec plate
VISUAL INSPECTION ARRAY
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General Site Conditions.
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Inspect all modules for damage, discoloration, signs of electrical shorting, and impact points on glass. Document specific extent, location, and serial number of damaged modules.
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Photos
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Roof Inspection (For Roof Mounted Systems)
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Perform thermographic imaging of modules. Note location of any temperature delta greater than 10°C between modules or cells within the same module.
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Photos
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Roof array - Document access
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Photos
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External access
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Fixed ladder or tech must bring one?
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Internal access
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Ground mount - Document land size for future landscaping needs
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Photos
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Ground mount - Document array signs or lack of
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Photos
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Condition of Conduit and Racking
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Photos
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Condition of the modules, any Obvious Defects
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Note buildup of dirt, mold, bird droppings, or other matter across the entire array
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Photos
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Verify the Site is Properly Grounded
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Note if there is debris on or near the array
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Photos
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External Condition of the Combiners
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Internal Condition of the Combiners
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Signs of Shading
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Note if there are objects higher than twice the distance they are far such as trees or HVAC units which have been added to the East, South, or West of the Array.
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Photos
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Verify that the As-built Drawings Match the Site.
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Photos
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Other:
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Photos
VISUAL INSPECTION INVERTER / SWITCHGEAR
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Internal Condition of Inverters
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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External Condition of Inverters
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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External Condition of AC and DC Disconnects
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Internal Condition of AC and DC Disconnects
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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External Condition of the AC Switchgear
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Verify All Equipment is Properly Grounded
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Note if there is debris on or near the array
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Photos
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Visually inspect weather proofing and penetration seals on all electrical equipment
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Photos
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Presence of transfer switch and emergency generator
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Photos
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Photos
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Other
VISUAL INSPECTION DAS and WEATHER STATION
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Document model and serial number of the weather station installed
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Photos
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Is camera installed onsite on or near DAS
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External Condition of the DAS
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Internal Condition of the DAS
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Inspect 1% sample of array wire for UV or Compression damage. Tuck in loose wiring.
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Photos
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Pyranometer Condition
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Verify that Pyranometer is level using digital level or sight glass. Adjust if necessary.
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Photos
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Anemometer condition
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Anemometer should spin with ease, be securely attached to MET station, and have all vanes.
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Photos
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Reference cell in POA/GHI
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Verify reference cell is at the same tilt angle and east/west orientation as the array. Adjust if necessary using digital level.
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Photos
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Other:
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Photos
GROUNDS INSPECTION
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Note any foreseeable safety concerns or conditions
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Any safety hazards involving conditions that are a threat to people or property must be immediately reported to management.
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Photos
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Signage
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Verify that signage on Combiner Boxes, Disconnects, Inverters, and other electrical equipment both identifies its association with the PV system and its operating hazards. Verify signage on fencing and barriers identifies dangers and warnings associated with the PV system.
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Photos
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Integrity of fence, gates and locks
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Document condition and location of security features if they are missing or damaged.
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Photos
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Bird, Insect, Rodent Activity
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Document extent of rodent, bird or insect infestation.
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Photos
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Grounds conditions / Erosion issues
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Photos
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Criminal Activity or Tampering
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Document extent and location of criminal tampering. Report criminal activity to management.
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Photos
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Other:
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Photos
NOTES
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Audit Notes
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Document any possible T&M
CONTACT THE MILLER BROTHERS SOLAR CONTROL CENTER UPON COMPLETING WORK
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Operations Center Phone: 610-880-7493
MBS Operations requires the following information upon check-in:
- Name(s) of personnel check into the facility
- Company the individual(s) is representing
- A callback phone number that the individual onsite can be contacted at
- The nature of the work to be performed onsite
After work is completed and prior to personnel leaving the facility, individuals must notify the Operations Center using the same phone number.
The Operations Center will verify the status of equipment that was being worked on, if any.
Notifications to the MBS Operations Center are required for every visit into and out of the facility
If an individual leaves and comes back in the same day, it requires a phone call notification each time
If calling before 0700 ET or after 1900 ET, enter prompt command 1 or 2 to reach the on-call operator or prompt command 3 to leave a check in/check out voicemail.
If you have any questions regarding this policy, please contact Ben Knowles, Control Center Manager, at 610-880-7493or bknowles@millerbros.us.
Signatory Page
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Technician 1
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Technician 2
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Technician 3
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Technician 4
