City of Mountain View (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusAdopted

Wet Stamps RequiredNone

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

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: Existing Systems,Trenching

How Many Plansets Required: 2

Revision Required: 0

New Planset Required For Module Swap: 0

Stamps

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: 0

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: ALL JOBS: * Provide one electronic set of plans with a digital/electronic stamp and signature of the designer/architect/engineer responsible for preparing the plans. * Provide one electronic set of supplemental documents in separate PDF files. * All onsite plan sheets must be compiled into one PDF file. * All offsite plan sheets must be compiled into one PDF file. * Label all PDF files; i.e. Onsite Plans, Offsite Plans, Response Letter, etc. BALLASTED SYSTEMS: * Justify friction calculations for the ballast system on the existing roofing material for the ballast system. * Provide demand and capacity/DCR (demand capacity ratio) calculations for the ballast system

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 1

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes

ELEVATION PAGE:

show any openings to the building in relation to the ESS.
Make ESS location clear - notate whether it is located on the interior or the exterior of the building and where it is mounted on the building.

Separate ESS Disconnect Required: ESS Disconnect

ESS Elevation Detail Required: Yes

Plan set

Plan Set Requirements

All Plans to be formatted as 11"x17"

Roof Plan: **BALLASTED SYSTEMS:** * Provide adequate guards per CBC 1015.6 when solar arrays are installed less than 10 feet from the edge of the roof. * Revise the plans to specify that roof markings (e.g. yellow stripes) will be provided delineating the area around the panel that must be kept free of obstructions. Identify the area and the marking method on the roof plan.

Electrical Diagram: Standard

Custom Placards Required: 1

Non Standard Revision Requirements: Response to comments letter shall be a separate PDF file.

Ground mount

Ground Mount Fencing Required: No