Solar
Please be aware of the following local code amendments.
9-1-9: FIRE CODE:
B.5. Section 605.11 is amended by adding new Subsections 605.11.3, 605.11.4, and 605.11.5 to read as follows: 605.11.3 Direct current (DC) Wiring. Direct current (DC) conduit, wiring and raceways shall be located below the solar array or a minimum of 24 inches below the roof sheathing.
605.11.4 Labeling. For residential applications, a label stating CAUTION SOLAR PHOTOVOLTAIC SYSTEM ON PREMISES shall be placed at or within the main electrical service disconnect.
605.11.5 Rapid Shut Down Switch. All solar systems shall have a rapid shutdown switch located at ground level in the area of the electric panel box and inverter."
Plan design criteria
- wind load V(ult) 142 mph
- snow load / roof live load 30 psf
- 2020 NEC
- 2015 I-Codes
- 3 foot setback is required
Memo on solar permit fees
- Completed application
- Stamped plans
- Engineer letter indicating that existing roof structure can support the proposed system or engineered plans indicating the needed structural modifications
- Submittals for PV shingle systems require an approved permit from Mountain View Fire Rescue prior to permit issuance
- Submittals for battery storage systems require an approved permit from Mountain View Fire Rescue prior to permit issuance if located inside house (other than in garage_)
Plan design criteria
- wind load V(ult) 142 mph
- snow load 30 psf
- 2020 NEC
- 2015 I-Codes
- 3 foot setback is required
As all projects are different, additional inspections not listed here may be required.
Standard solar installation inspections
1.Rough Electrical & Rough Frame - photographs of the following items shall be emailed (attn: inspectors) for review and approval:
- house address
- roof flashing
- hold-downs
- rail system
- junction boxes
- bonding
- any required structural upgrades
Please do not request rough inspections thru the portal or via phone. Just email the required photos. Do not submit photos as a link or zip file.
2. Final Electric & Final Building - these shall be requested via the Customer Self-Service Portal after rough inspection photos have been approved.
This will include an on-site inspection with a rapid shutdown test. Plans/ Permit/ Access all required at time of inspection.
Certification letter shall be provided - written on company letterhead stating that the system has been installed per the approved plans and the manufacturer's specifications. The letter must be signed by the licensed electrical contractor.