Chapter 10-32
RESIDENTIAL CODE

Sections:

10-32.010    Adoption of the California Residential Code.

10-32.020    Amendments to the residential code.

10-32.010 Adoption of the California Residential

Code.

The California Residential Code, 2022 Edition, based on the 2021 International Residential Code as published by the International Code Council together with the amendments provided in this chapter, is hereby adopted and incorporated by reference, as if set forth at length herein, as the residential code of the city of Laguna Hills regulating the construction, alteration, movement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures in the city. Not less than one copy of said code has been filed in the office of the City Clerk and shall be made available for public inspection. (Ord. 2022-3 § 3; Ord. 2019-4 § 3 (part): Ord. 2016-7 § 6 (part): Ord. 2013-3 § 6 (part): Ord. 2010-3 § 6 (part). Formerly 10-48.010)

10-32.020 Amendments to the residential code.

Chapter 3 – Building Planning.

Table R301.2 is revised to read as follows:

TABLE R301.2 CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

Ground snow loado

WIND DESIGN

Seismic design categoryf

SUBJECT TO DAMAGE FROM

Ice barrier under-layment requiredh

Flood hazardsg

Air freezing indexi

Mean annual tempj

Speedd (mph)

Topo. effectsk

Special wind regionl

Wind-borne debris zonem

Weatheringa

Frost line depthb

Termitec

Zero

95

No

No

No

D2 or E

Negligible

12-24”

Very Heavy

No

Yes/No

0

60

Chapter 9 – Roof Assemblies.

Section R902.1, Roof covering materials, is revised to read as follows:

R902.1 Roofing covering materials. Roofs shall be covered with materials as set forth in Sections R904 and R905. Class A roofing shall be installed in areas designated by this section. Class A roofing required by this section to be listed shall be tested in accordance with UL 790 or ASTM E 108.

Exceptions:

1.    Class A roof assemblies include those with coverings of brick, masonry and exposed concrete roof deck.

2.    Class A roof assemblies also include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile, or slate installed on noncombustible decks.

Section R902.1.2, Roof coverings in all other areas, is revised to read as follows:

R902.1.2 Roof coverings within all other areas. The entire roof covering of every existing structure where more than 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 revised to read 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.

(The remainder of this section is unchanged)

Appendix AX – Swimming Pool Safety Act.

Section 115922 is revised to read as follows:

115922.

(a)    Except as provided in Section 115925, when a building permit is issued for the construction of a new swimming pool or spa or the remodeling of an existing swimming pool or spa at a private single-family home, the respective swimming pool or spa shall be equipped with an enclosure as specified in item (1) below AND at least one of the following additional drowning prevention safety features:

(1)    An enclosure that meets the requirements of Section 115923 and isolates the swimming pool and spa from the private single-family home. Any walls of the residential structure or accessory structures used to complete the isolation enclosure must have door openings equipped with protection as required in Section 115922 (a) (4) or (5). Any such door protection device provided for this purpose may not be used to comply with the second drowning prevention feature requirement.

(The remainder of this section is unchanged)

(Ord. 2022-3 § 3; Ord. 2019-4 § 3 (part): Ord. 2016-7 § 6 (part): Ord. 2013-3 § 6 (part): Ord. 2010-3 § 6 (part). Formerly 10-48.020)