County of Imperial (CA)
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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.
Report a correctionCodes
- NEC Code Version
- 2023
- Fire Code Version
- 2018 Building Code
- Code List
2025 CALIFORNIA BUILDING CODE
2025 CALIFORNIA ELECTRICAL CODE
2025 CALIFORNIA FIRE CODE
2025 CALIFORNIA PLUMBING CODE
2025 CALIFORNIA MECHANICAL CODE
2025 CALIFORNIA ENERGY CODE
2025 CALIFORNIA RESIDENTIAL CODE
2025 CALIFORNIA ADMINISTRATIVE CODE
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- SolarAPP+ Status
- Piloting
- Date SolarAPP+ Accepted
- 45510
- Any SolarAPP+ Restrictions
- Yes
- SolarAPP+ Restrictions
- Existing Systems,Trenching
- How Many Plansets Required
- Other (See Submission Notes)
- Revision Required
- No
- New Planset Required For Module Swap
- No
Stamps
- Ee Stamp Required On SLD
- Yes - 10kW+
- Wet Stamps Required
- Digital Structural,Digital Electrical
- Structural Calculations Required
- Yes
- Ee Stamp Notes
>10kW requires EE
Stamped planset needs to be sealed by the engineer of record
- Stamp Location On Plans
- Unspecified
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- Yes
- Setback Notes
Standard
Structural & loads
- Wind Speed
- 110
- Wind Notes
Exposure Category C
- Snow Load
- 0
- Reducible Snow Load Allowed
- Yes
- Max Attachment Spacing
- 96
- Structural Notes
Standard
- Minimum Ground On Roof
- #10
Electrical
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Meter Adapter,PV Breaker,Load Side Taps,Line Side Taps
- Panel Schedule Required
- Partial Home Backup
- Temperature Rating
- 90
- De Rating Ampacity
- 0.87
Battery / ESS
- Unique Battery Placards Needed
- No
- ESS Notes
Standard
ESS disconnect required within 6ft of MSP on same wall and not blocked by walls/gates/etc
- Separate ESS Disconnect Required
- ESS Disconnect
- ESS Elevation Detail Required
- Yes - with dimensions
Plan set
- Plan Set Requirements
Home elevation required
- Cross-section of the structure
- Dimensions for each structural member, and from grade to top of the solar module.
- 3/1/24 add battery information on planset
- Site
- Show the existing utilities (i.e. water, sewer and electrical)
- Including how they connect to the outside of the property (i.e. show where the power pole is in relation to property and label it).
- Plans must show the roof percentage cover by solar panels and provide the measurements of the setback required by the fire code.
- Roof Plan
Plans must show the roof percentage cover by solar panels and provide the measurements of the setback required by the fire code.
- Attachment Detail
Flashing required.
- Electrical Diagram
>10kW must be stamped by EE
- Non Standard Planset Requirements
- Home Elevation
Ground mount
- Ground Mount Fencing Required
- Yes
- Ground Mount Notes
Ground Mounts: Require Fencing with Warning Signs.