County of Los Angeles (Calabasas / Westlake Village) (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
- How Many Plansets Required
- 3
- Revision Required
- 0
- New Planset Required For Module Swap
- 0
Stamps
- Ee Stamp Required On SLD
- No
- Wet Stamps Required
- None
- 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
- 999
- Snow Load Notes
* Elevations between 2000 and 3500 ft. require 20 psf snow load to be accounted for. * Elevations between 3500 and 5000 ft. require 40 psf snow load to be accounted for. * Elevations greater than 5000 ft. require 80 psf snow load to be accounted for. BCM1608 A1
- Reducible Snow Load Allowed
- 1
- Max Attachment Spacing
- 96
- Structural Notes
SE digital stamps on corresponding pages, PE Letter & Calcs. For ballast mount projects use PZSE (contact ) for structural engineering ### Bus Certs are NOT accepted in this AHJ
- Minimum Ground On Roof
- #8
Electrical
- AC Disconnect Required
- Yes
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Line Side Taps,Load Side Taps,PV Breaker,Meter Adapter
- Panel Schedule Required
- Partial Home Backup
- Temperature Rating
- 90
- De Rating Ampacity
- 0.96
Battery / ESS
- ESS Notes
[LACOF]
This AHJ follows County of Los Angeles (ESS Requirements) (CA).
Please follow this link to County of Los Angeles (ESS Requirements) (CA)
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
- Site
All Jobs [All buildings on property are to be properly labeled and called out as habitable or non-habitable // ALL ELECTRICAL EQUIPMENT SHALL BE LABELED, LISTED, OR CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY ACCREDITED BY THE UNITED STATES OCCUPATIONAL SAFETY HEALTH ADMINISTRATION]
MPU NEW SERVICE PANEL TO REPLACE EXISTING AT SAME LOCATION
- Roof Plan
For systems with multiple strings/inverters, the plans shall clearly identify how all modules are mapped to each string and/or inverter input
- Attachment Detail
Distance from top of module to roof is to be called out
- Electrical Diagram
SPECIFY THE SIZE OF THE GROUNDING ELECTRODE CONDUCTOR FOR THE GROUND ROD SPECIFIED ON THE SINGLE LINE DIAGRAM,
INDICATE THAT THERE SHALL BE TWO GROUND RODS SEPARATED BY SIX OR MORE FEET, OR PROVIDE A CERTIFIED TEST SHOWING THAT THE RESISTANCE TO GROUND IS 25 OHMS OR LESS.
IF OVERHEAD SERVICE, PROVIDE THE SIZE OF THE SERVICE ENTRANCE CONDUCTORS AND GROUND SIZE (GEC) IDENTIFY GEC SIZE TO TABLE 250.66
IF SOLAR READY MPU:
SHOW MODEL NUMBER FOR SOLAR READY SERVICE PANELS
FOR HOT BUS PROJECTS IF MSP IS A HOT BUS AND HAS 6 OR LESS BREAKERS, PROVIDE A PANEL SCHEDULE IDENTIFYING ALL THE BREAKERS
FOR GMA PROJECTS
THE WIRE FROM THE INVERTER TO THE AC DISCONNECT MUST ALSO BE SIZED TO #6 PER SCE REQUIREMENTS, SPECIFY THE DISTANCE FROM THE GMA TO THE FUSED DISCONNECT AS 2-3' MAXIMUM
INDICATE THAT EQUIPMENT GROUNDING ELECTRODE CONDUCTOR (EGC) SHALL BE IN SEPARATE CONDUIT. THE EGC IS NOT INSTALLED IN THE LIQUID-TIGHT FLEXIBLE CONDUIT FROM THE AC DISCONNECT TO THE GMA REQUIRES GEC TO BE RAN IN ITS OWN CONDUIT TO MSP FOR
Existing Systems - IDENTIFY THE CONDUCTOR SIZES/DETAILS USED TO CONNECT TO THE EXISTING SOLAR SYSTEM PROVIDE THE OUTPUT CURRENT RATING OF THE EXISTING INVERTER OR INCLUDE THE EXISTING INVERTERS DATA SHEET
- Electrical Diagram Notes
All Jobs [THE PV BREAKER SHALL BE LOCATED AT THE OPPOSITE END OF THE MAIN BREAKER OR INPUT FEEDER // ALL TERMINALS TO BE RATED AT 75°C MINIMUM // ALL ELECTRICAL WORK SHALL BE DESIGNED PER 2025 LOS ANGELES COUNTY ELECTRICAL CODE, 2025 CALIFORNIA ELECTRICAL CODE, AND 2023 NATIONAL ELECTRICAL CODE // 110.2 APPROVAL: ALL ELECTRICAL EQUIPMENT SHALL BE LABELED, LISTED, OR CERTIFIED BY A NATIONALLY RECOGNIZED TESTING LABORATORY ACCREDITED BY THE UNITED STATES OCCUPATIONAL SAFETY HEALTH ADMINISTRATION]
MPU [GEC SIZE FROM MAIN SERVICE PANEL TO GROUND ROD TO BE #4 AWG. SIZE OF GEC FROM PANEL TO METAL WATER PIPE TO BE #4 AWG // GEC SIZE IS #4 AWG 1 GROUND ROD TO BE INSTALLED WITHING 5' OF COLD WATER MAIN ENTERING THE HOME, CONNECTED VIA UL LISTED BONDING CLAMP // THE CONNECTION TO THE INTERIOR METAL WATER PIPING SHALL BE MADE WITHIN 5 FT FROM THE POINT OF ENTRANCE. PER SECTION 250.68(C)(1) // COLD WATER WITHIN 5 FEET AND AT LEAST ONE SUPPLEMENTAL ELECTRODE ARE REQUIRED // IF PROPOSED NEW MAIN PANEL IS LOCATED MORE THAN 6 FEET FROM THE EXISTING MAIN PANEL, COMBINATION-TYPE AFCI BREAKERS SHALL BE USED AS A METHOD OF PROTECTION FOR ALL 15A/1P AND 20A/1P (120V) LOADS PER 210.12(D)]
Battery [BACK UP LOAD CENTER WILL COMPLY WITH 210.12(A) USING AFCI BREAKERS // BOND GROUNDING SYSTEM IN BOTH BUILDINGS .NEUTRAL BUS AT SEPARATE BUILDING SHALL BE ISOLATED // THE SUB PANEL OR AC DISCONNECT SWITCH AT THE SEPARATE STRUCTURE SHALL BE SERVICE RATED 225.36 SUITABLE FOR SERVICE EQUIPMENT // THE DISCONNECT MEANS SPECIFIED IN SECTION 225.31 SHALL BE SUITABLE FOR USE AS SERVICE EQUIPMENT PER SECTION 225.36 // AT THE GATEWAY, REMOVE THE NEUTRAL-GROUND BONDING STRAP]
- Custom Placards Required
- 1
Ground mount
- Ground Mount Fencing Required
- Mesh/Scrim
- Ground Mount Notes
For ground mounted PV systems, the connectors are readily accessible and Section 690.33(C) requires the connectors to be of the tool type. Add note: “Section 690.33 (C) Type: The connectors shall be of the latching or locking type. Connectors that are readily accessible and that are used in circuits operating at over 30 volts dc or 15 volts ac shall require a tool for opening.”