City of Orange (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusTargeted

Wet Stamps RequiredDigital Structural

Fire Setback Enforced1

Codes

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

IEBC Accepted: 1

ASCE Code Specification: ASCE 7-22

SolarAPP+ & submittal

SolarAPP+ Status: Targeted

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: Existing Systems,Trenching,Derate

How Many Plansets Required: 2

Revision Required: 1

Rough Inspection: None

New Planset Required For Module Swap: 0

Stamps

Ee Stamp Required On SLD: No

Wet Stamps Required: Digital Structural

Structural Calculations Required: Yes

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Standard

Structural & loads

Wind Speed: 110

Wind Notes: Exposure Category B

Snow Load: 0

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes

SE digital stamps on structural plan page sections 1-3.

Digitally stamped SE calcs & letter.

Calculations to comply with AHJ adopted codes

Regarding Structural Calcs.

1. Use minimum weight for comp shingle of 4 psf.

2. Provide complete calculations to check the Roof Truss for DL+ Partial LL + Download of Panel & DL+/-Wind for roof rafter or roof truss. Check the deflection for each case per CBC Table 1604A.3.

3. Provide Section of Roof Truss in the plan, Showing, the Truss profile with member sizes and the Truss span

4. Rafter details on the plans. They want to see 3 different planes and want us to include the size, spacing and span. And to show the interior load-bearing wall or beam carry the diagonal braces.

5. Provide the loading comparison of the existing condition and the new condition. It should not be more than 5%

6. Provide structural lateral calculations per BCB showing that affected existing lateral resisting elements are no more than 10% overstressed.

Minimum Ground On Roof: #10

Electrical

AC Disconnect Required: Yes

Electrical Load Calcs Required: All Jobs

Allowed POI: Meter Adapter,Load Side Taps,PV Breaker,Line Side Taps

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 0.96

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes

Standard

If ESS installed is not in line of site of MSP then there needs to be a disconnect by Battery.

If ESS installed in garage there needs to be a fused disconnect by Battery.

Separate ESS Disconnect Required: ESS Disconnect

ESS Elevation Detail Required: No

Plan set

Plan Set Requirements

EXPRESS CHECKLIST FOR RESIDENTIAL SOLAR PV AND ESS IS REQUIRED TO BE FILLED OUT AND ATTACHED TO PLANS (SEE FILES SECTION)

PV & RACKING SHALL BE CLASS A FIRE RATED, PROVIDE COPIES OF THE FIRE RATING CERTIFICATION FOR UL 1703 AND UL2703.

IF PROJECT IS LOCATED ON HISTORICAL DISTRICT: THE PROPOSED SOLAR PANELS MAY NOT BE VISIBLE FROM THE STREET PER THE HISTORIC PRESERVATION DESIGN STANDARDS. MAPS AND OTHER INFO ON HISTORICAL DISTRICTS HERE: https://www.cityoforange.org/our-city/departments/community-development/planning-division/historic-districts HOUSES WITH EICHLER ARCHITECTURE (<=2/12 ROOF SLOPE, OPEN BEAM, WINDOWS UNDER THE RAKE), AND HOUSES NEAR OLD TOWNE ARE LIKELY TO BE IN A HISTORICAL DISTRICT.

Cover Page Notes: All Jobs [A single, visible-open, lockable AC disconnect shall be within three feet of the meter on the exterior of the building per fire code]

Site

Roof Plan

Roof Plan Notes: All Jobs [ Existing roof vent should not be covered Solar panels shall be placed in a manner that minimizes their visibility from the adjacent street to the extent that their efficiency is not unreasonably diminished, and integrated into the design of the structure when building mounted."(Per Section 17.14.240 Screening of Mechanical Equipment) ]

Attachment Detail

Electrical Diagram

Label Page: INCLUDE DERATE LABEL IF APPLICABLE

Custom Placards Required: 1

Ground mount

Ground Mount Fencing Required: Situational

Ground Mount Notes: Soil sample may be required if the GM is mounted on a hillside. If it is mounted on flat ground then it does not require a soil sample. Fence is required unless there is already a fence around the property (as long as the GM is not accessible to the public). For Single-Story Homes: Setback - Front Yard (ft) - 20' Setback - Back Yard (ft) - 5' Setback - Side Yard (ft) - 10' For Two-Story Homes: Setback - Front Yard (ft) - 20' Setback - Back Yard (ft) - 5' Setback - Side Yard (ft) - 20' For Homes on Corner or Reverse Lots: Setback - Side Yard (ft) - 10' (5' setback must be approved)