Cal. Code Regs. tit. 25 § 1433

Current through Register 2024 Notice Reg. No. 45, November 8, 2024
Section 1433 - Roof Live Load
(a) Except as provided in section 1443.1 of this article, every cabana installed on or after July 31, 1976, or every accessory building or structure or building component installed on or after June 10, 1979, shall have the capacity to resist the applicable minimum snow load of the region in which it is installed or as is provided by this section.

NOTE: An accessory structure located beneath another accessory structure (e.g., a porch which is located beneath an awning) is excluded from the snow load requirements of this section when the overlying accessory structure meets the requirements of this section.

TABLE 1433-1

General Roof Live Load Requirements for Accessory Buildings or Structures and Building Components

Region I

Region II

Region III

Roof LiveRoof LiveRoof Live
ElevationLoadElevationLoadElevationLoad
All
Elevations20 psf0-3000 ft20 psf0-2000 ft20 psf
3001-3500 ft30 psf2001-3000 ft30 psf
3501-5000 ft60 psf3001-4000 ft60 psf

Table 1433-1 shall apply except where either greater or lesser snow loads have been established through survey of the region, and approved by the department.

(1) Region I includes the following counties:

Alameda, Butte, Colusa, Contra Costa, Del Norte, Glenn, Humboldt, Imperial, Kings, Lake, Los Angeles, Marin, Mendocino, Merced, Monterey, Napa, Orange, Sacramento, San Benito, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Solano, Sonoma, Stanislaus, Sutter, Ventura, Yolo.

(2) Region II includes the following counties:

Amador, Fresno, Inyo, Kern, Modoc, Riverside, San Bernardino, Siskiyou.

(3) Region III includes the following counties:

Alpine, Calaveras, El Dorado, Lassen, Madera, Mariposa, Mono, Nevada, Placer, Plumas, Shasta, Sierra, Tehama, Trinity, Tulare, Tuolumne, Yuba.

(b) Parks that have received approval for a snow roof load maintenance program prior to July 7, 2004, shall maintain the snow roof load maintenance program, as long as accessory buildings or structures, or building components in the park do not meet the minimum roof loads for the area. Accessory buildings or structures or building components installed after July 7, 2004, must have the capacity to resist the applicable minimum roof live loads of the region in which it is installed, as set forth in Table 1433-1.
(c) The park owner or operator shall be responsible for the continued management of an existing snow roof load maintenance program approved for the park.
(d) Roof live load requirements shall not apply to storage cabinets.
(e) Accessory buildings or structures or building components may be relocated from one park to another and reinstalled under permit within another park provided the requirements for roof live load in the new park are not greater than the requirements of the park in which the accessory building or structure or building component was previously installed.

Cal. Code Regs. Tit. 25, § 1433

1. New section filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).
2. Amendment of subsection (a), Table 1433-1, subsection (b) and NOTE filed 12-26-2006; operative 1-2-2007 pursuant to Government Code section 11343.4 (Register 2006, No. 52).

Note: Authority cited: Sections 18300 and 18610, Health and Safety Code. Reference: Section 18552, Health and Safety Code.

1. New section filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).
2. Amendment of subsection (a), Table 1433-1, subsection (b) and Note filed 12-26-2006; operative 1-2-2007 pursuant to Government Code section 11343.4 (Register 2006, No. 52).