City of Tustin (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusAdopted

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

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status: Adopted

Date SolarAPP+ Accepted: 45182

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: Existing Systems,Trenching,Historic District

How Many Plansets Required: 1

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

Ee Stamp Notes: SCE Utility requires EE stamp on plans for line side tap POI.

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 all PV pages & PE Letter / Calcs. 1. Provide calculation by a licensed civil/structural engineer or architect to verify supporting members are adequate for existing and proposed loads. Alternate: Calculation is not required if arrays are supported at a maximum spacing of 4ft each direction and the maximum cantilever distance of panels is 18". 2. Provide lateral calculations by a licensed professional engineer or architect showing that affected existing lateral resisting elements are no more than 10% over stressed according to the 2022 CBC. Alternate: Lateral analysis is not required if total area of arrays is less than 250 sq ft over a second story roof or 350 sq ft over a first story roof.

Minimum Ground On Roof: #10

Electrical

AC Disconnect Required: Yes

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: 1

BOS Restrictions: Need an AC disconnect within 3' of the MSP

Battery / ESS

Unique Battery Placards Needed: 0

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

Cover Page Notes: All Jobs [Contractor shall be present to assist city inspector on job site during inspection and fall protection shall be provided upon request by the city inspector, as needed. // City of Tustin will not be held responsible for roof damage that may result from accessing the roof for the inspection of the PV system. // The equipment and system and all associated wiring and interconnections shall be installed only by qualified persons.]

Roof Plan Notes: All Jobs [Conduit will be painted to match the exterior of the home // Solar panels shall be placed no more than 4-6 inches from the roof exterior. // All equipment requiring servicing shall meet the required clearances. // If UFER cannot be confirmed, then ground rods 6 feet apart and 8 feet minimum into the ground must be installed with continuous bond.]

Attachment Detail: INCLUDE DIMENSION SHOWING MAX HEIGHT OF TOP OF MODULE TO ROOF PLANE 6 MAX

Electrical Diagram: 120% rule has to be stated on plans and load calcs must be included.

Electrical Diagram Notes: All Jobs [The GEC shall be continuous. // DC ground-fault protection shall be per 690.41 // The sum of the ampere ratings of the over current devices in circuits supplying power to a bus bar or conductor shall not exceed the rating of the bus bar or conductor.]

Label Page: Provide permanent signage at all AC disconnects: "PHOTOVOLTAIC ARRAY AC DISCONNECTS"

Custom Placards Required: 1

Non Standard Revision Requirements: If the permit team has not submitted to the AHJ yet, do not include a revision letter with the plans. The AHJ finds it confusing.

Ground mount

Ground Mount Fencing Required: Mesh/Scrim