Part III, Chapter 9, Section R901.1 “Scope” is amended by adding the following paragraph:
The roofing requirements of Chapter 15 of the 2022 California Building Code, as modified by Municipal Code Sections 8-1.14 and 8-1.15 shall also govern the design materials, construction and quality of roof assemblies.
Section R902.1.2 “Roof coverings in all other areas” is amended to read as follows:
R902.1.2 Roof Coverings in all other areas. The entire roof covering of every existing structure where more than fifty (50%) percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair or replacement of the roof of every existing structure shall be a fire-retardant roof covering that is at least Class A.
Section R902.2 “Fire retardant-treated shingles and shakes” is amended as follows:
R902.2 Fire-Retardant-Treated Shingles and Shakes. Fire-retardant-treated wood shakes and shingles are wood shakes and shingles complying with UBC Standard 15-3 or 15-4 which are impregnated by the full-cell vacuum-pressure process with fire-retardant chemicals, and which have been qualified by UBC Standard 15-2 for use on Class A roofs. Fire-retardant-treated wood shakes and shingles shall comply with ICC-ES EG107 and with the weathering requirements contained in Health and Safety Code Section 13132.7(j). Each bundle shall bear labels from an ICBO accredited quality control agency identifying their roof-covering classification and indicating their compliance with ICC-ES EG107 and with the weathering requirements contained in Health and Safety Code Section 13132.7(j).
Health and Safety Code Section 13132.7(j) No wood roof covering materials shall be sold or applied in this state unless both of the following conditions are met:
1. The materials have been approved and listed by the State Fire Marshal as complying with the requirements of this section.
2. The materials have passed at least five years of the 10-year natural weathering test. The 10-year natural weathering test required by this subdivision shall be conducted in accordance with Standard 15-2 of the 1994 edition of the Uniform Building Code at a testing facility recognized by the State Fire Marshal.
Section R902.3 “Building-Integrated Photovoltaic Product” is amended to read as follows:
R902.3 Building-Integrated photovoltaic product. Building-integrated photovoltaic (BIPV) products installed as the roof covering shall be tested, listed and labeled for fire classification in accordance with UL 7103 [SFM] Section R902.1 through R902.1.3. Class A products shall be installed where the edge of the roof is less than 3 feet (914 mm) from a lot line.
Section R902.4 “Rooftop-Mounted Photovoltaic (PV) panel systems” is amended to read as follows:
R902.4 Rooftop-mounted photovoltaic (PV) Panel Systems. Rooftop-mounted photovoltaic (PV) panel systems installed on or above the roof covering shall be tested, listed and identified with a fire classification in accordance with UL 2703. Listed systems shall be installed in accordance with the manufacturer's installation instructions and their listing. Class A photovoltaic panel systems and modules shall be installed in jurisdictions designated by law as requiring their use or where the edge of the roof is less than 3 feet (914 mm) from a lot line.
(§ 6, Ord. 1707-NS, eff. January 1, 2023)