Commercial Solar Photovoltaic (PV) Checklist

Plans

1. Site Plan
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   • Property lines and dimensions (size and shape of parcel); include easements
   • Locations, dimensions and height of all existing and proposed buildings and structures. Include dimensions from each other and from all property lines.
   • Existing and proposed driveways including width, curbs, sidewalks, and streets.
   • Indicate placement and species of required street trees.
   • Indicate center line of street(s), label street names and note as public or private.
   • Location and height of walls and fences; note construction material(s).
   • Show fire lanes, hydrants, and building entrances.
2. Roof Plan (layout plan for ground-mounted)
   • Location and dimensions of solar array with dimensioned pathways and clearances
   • Existing rooftop equipment, vents, and other roof penetrations
   • Location, size, and type of roof access (stairs, permanent ladder, etc.)
3. Electrical Plans
   • If net metering, then Production Meter must be shown on the one-line drawing
   • Rapid Shutdown and Emergency Disconnects [IFC 1205.4]
     • Identification of rapid shutdown device(s) and control location
     • Notation of UL 3741 or UL 1741 listing for rapid shutdown systems
     • Description of shutdown activation method and compliance with NEC 690.12
   • System Labeling and Signage
     • Label locations on plans and one-line diagram, and in the field [NEC Article 690]
       • DC disconnects
       • Combiner boxes
       • Inverters and conduit
       • Rapid shutdown initiation devices [IFC 1205.4.1, 1205.4.3]
     • Warning signs on or near equipment: “WARNING—ELECTRIC SHOCK HAZARD—DO NOT TOUCH TERMINALS”
   • Hazard Mitigation
     • Arc-fault and ground-fault protection documentation
     • Fire-resistance rating of roof penetrations and sealing materials
     • Battery system fire safety plan (if applicable):
       • Ventilation provisions
       • Separation from combustible materials
       • Fire-rated enclosure
4. Structural Plans (when applicable) and attachment details

Documents

1. Signed and Dated Commercial, Multi-Family & Industrial (CMI) Application Form (PDF)
2. Manufacturer’s Equipment Specifications (spec sheets)
   • PV modules -UL 61730
   • Inverters – UL 1741
   • Racking/mounting system – UL 2703
3. Structural Calculations (when applicable)

Resources

File Naming Standards Plan File Requirements – Leave a blank area on the plans for the Approval Stamp Design Codes and Criteria Clark Public Utility Solar Energy Program