City of Hidden Hills (CA)

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

Targeted

Any SolarAPP+ Restrictions

1

SolarAPP+ Restrictions

MPU,Derate

How Many Plansets Required

2

Revision Required

0

New Planset Required For Module Swap

0

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

Minimum Ground On Roof

#10

Electrical

Electrical Load Calcs Required

Derates

Allowed POI

Meter Adapter,Load Side Taps,PV Breaker,Line Side Taps

Panel Schedule Required

All Projects

Temperature Rating

90

De Rating Ampacity

0.91

Battery / ESS

Unique Battery Placards Needed

0

ESS Notes

• Provide panel schedule for the main service panel
• Provide load calculations that match the panel schedule
• Add note to cover page stating all work shall comply with the most current Los Angeles County Fire Code
• Provide a scope of work on the title page for the ESS including number of stories, occupancy type, total number of ESS units, ESS models, and ESS locations
• Use the Fire Hazard Severity Zone website to determine if the project is in a Fire Hazard Severity Zone
• Add site plan note (if applicable) stating the project is not located in a fire hazard severity zone or state responsibility area and is exempt from CRC R377.6.2 and CBC 706A.2 requirements
• Provide 36-inch wide emergency escape and rescue pathways to qualifying doors and windows above the roof plane per CFC 1204.2.2
• No electrical components associated with the battery-integrated PV system shall be located above the roof decking within required emergency pathways
• Compliance with emergency pathway requirements shall be subject to inspection by the fire code official, including lifting roof tiles as required
• Provide a garage floor plan if applicable
• When ESS is installed inside a garage, the attached garage must comply with all applicable codes, standards, and the manufacturer’s installation manual, including fire protection features and alarm/detector requirements when available
• Exterior ESS units shall not be installed within 5 feet of windows, doors, or HVAC vents
• ESS units shall be installed no less than 3 feet from other ESS units
• Electrical Equipment Elevation (EEE) page is required
• Add note to EEE and SLD stating the battery is installed at least 5 feet away from doors and windows
• Add note to ELD stating the ESS circuit breaker shall be secured by an additional fastener per section 408.36(D)
• Circuit breaker and fastener must be manufactured by the same manufacturer
• Provide Cutler-Hammer or Square D breaker hold-down kit documentation
• Provide power source disconnect schedule including disconnect number and type
• Identify PV rapid shutdown disconnect as disconnect 1 of 2
• Identify ESS disconnect as disconnect 2 of 2
• Provide fire department electrical building placards for disconnects 1 of 2 and 2 of 2
• ESS disconnect must be within 6 feet of the main service panel, on the same wall, and not blocked by walls, gates, or obstructions
• Clarify how emergency services will shut down all PV and battery systems
• Provide an accessible emergency service disconnect within 3 feet of the main service panel that shuts down all solar and battery systems
• Emergency disconnect must comply with code sections 110.25, 705.22, 705.23, 705.31, 706.7, and 706.30
• Comply with California Fire Code 1206.2 requirements including room layout, fire-resistance-rated assemblies, battery quantities and types, manufacturer specifications and ratings, energy management system details, signage, fire extinguishing systems, smoke detection systems, and rack storage with seismic support

Separate ESS Disconnect Required

ESS Disconnect

ESS Elevation Detail Required

Yes - with dimensions

Plan set

Electrical Diagram

Standard

Ground mount

Ground Mount Fencing Required

No

Ground Mount Notes

GMs not allowed in the front unless approved by the HOA. Ground screws allowed with engineering. No Gravel pit needed. Septic documentation can be gathered from Building.

Setback Back Yard

25

Setback Side Yard

25