Section 1338 - Roof Live Load(a) Except as provided in section 1338.1 of this article, every MH-unit installed shall have the capacity to resist the applicable minimum roof live load of the region in which it is installed as set forth in Table 1338-1 or as is further provided by this section. Table 1338-1 shall apply except where either greater or lesser snow loads have been established through survey of the region, and approved by the department. Except as described in Section 1338.1, below, at elevations above 4,000 ft., snow loads established for residential buildings by local ordinance shall apply.(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) When an application is submitted for a permit to install an MH-unit manufactured prior to October 7, 1973, or an MH-unit with a designed roof live load less than that specified in Table 1338-1 and it is known the MH-unit will be subjected to snow loads, the plans and specifications shall include a method of protecting the MH-unit from snow loads that is acceptable to the enforcement agency. When approved by the enforcement agency, a ramada may be used to protect an MH-unit which does not have the capacity to resist the minimum roof live load for the region in which it is to be installed. The ramada shall be designed to resist the minimum roof loads for the region in which it is constructed and shall be constructed pursuant to the provisions of section 1486.
(c) Parks that have received approval for a snow roof load maintenance program prior to July 7, 2004, must continue the program on existing installations. However, MH-units located in parks at or below 4,000 feet in elevation 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 1338-1.(d) This section does not apply to MH-units installed prior to September 30, 1975.(e) The park owner or operator shall maintain the snow roof load maintenance program, as long as units in the park do not meet the minimum roof loads for the area. TABLE 1338-1 |
General Roof Live Load Requirements for MH-units |
|
Region I | Region II | Region III |
| Roof Live | | | Roof Live | | | Roof Live |
| Elevation | Load | Elevation | | Load | Elevation | | Load |
| All Elevations | 20 psf | 0-3000 ft. | | 20 psf | 0-2000 ft. | | 20 psf |
| | 3001-3500 ft. | | 30 psf | 2001-3000 ft. | | 30 psf |
| | 3501-5000 ft. | | 60 psf | 3001-4000 ft. | | 60 psf |
Cal. Code Regs. Tit. 25, § 1338
1. Amendment of subsection (a) filed 8-22-85; effective upon filing pursuant to Government Code Section 11346.2(d) (Register 85, No. 36).
2. Amendment filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).
3. Change without regulatory effect amending subsections (a) and (c) and NOTE filed 2-2-2005 pursuant to section 100, title 1, California Code of Regulations (Register 2005, No. 5).
4. Amendment of subsections (a) and (c), Table 1338-1 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, 18605 and 18613, Health and Safety Code. Reference: Sections 18552, 18605 and 18613, Health and Safety Code.
1. Amendment of subsection (a) filed 8-22-85; effective upon filing pursuant to Government Code Section 11346.2(d) (Register 85, No. 36).
2. Amendment filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).
3. Change without regulatory effect amending subsections (a) and (c) and Note filed 2-2-2005 pursuant to section 100, title 1, California Code of Regulations (Register 2005, No. 5).
4. Amendment of subsections (a) and (c), Table 1338-1 and Note filed 12-26-2006; operative 1-2-2007 pursuant to Government Code section 11343.4 (Register 2006, No. 52).