Cal. Code Regs. tit. 25 § 4314

Current through Register 2025 Notice Reg. No. 2, January 10, 2025
Section 4314 - Construction Methods and Workmanship
(a) Construction methods and workmanship requirements of the National Manufactured Housing Construction and Safety Standards Act of 1974 (Title VI of Public Law 93-383, 88 Statute 700, 42 U.S.C. 5401, et seq.) apply to the installation of a fire sprinkler system during the manufacture of a manufactured home or multifamily manufactured home with two dwelling units.
(b) The following requirements apply to the installation of a fire sprinkler system after the manufactured home or multifamily manufactured home with two dwelling units is shipped from the manufacturing facility.
(1) The person installing the fire sprinkler system--
(A) must perform all work in a manner suitable for the purpose and
(B) must maintain the integrity of both the components under installation and the components of other systems.
(2) The person installing the fire sprinkler system must bore holes in or notch structural framing members for the passage of piping as required by section 4316 of this article.
(A) Alternate sizing and placement of holes and notches requires evidence provided by the installer with the plans for the fire sprinkler system proving that the alternate boring or notching maintains the integrity of the structural system.
(B) The evidence must consist of an engineering analysis or testing conducted and certified by a California licensed architect or professional engineer.
(3) If any insulation, vapor barriers, under floor bottom board, or any other materials are cut or moved in order to install a fire sprinkler system, the person installing the fire sprinkler system shall repair, replace, or reposition the materials in a workmanlike manner that maintains the integrity of the materials and system.

Cal. Code Regs. Tit. 25, § 4314

1. New section filed 1-17-2001; operative 1-17-2001 pursuant to Government Code section 11343.4(c) (Register 2001, No. 3).
2. Amendment filed 2-10-2011; operative 3-12-2011 (Register 2011, No. 6).

Note: Authority cited: Sections 18015, 18025, 18029 and 18029.5, Health and Safety Code. Reference: Sections 18015, 18025, 18029, 18029.5 and 18030.5, Health and Safety Code.

1. New section filed 1-17-2001; operative 1-17-2001 pursuant to Government Code section 11343.4(c) (Register 2001, No. 3).
2. Amendment filed 2-10-2011; operative 3-12-2011 (Register 2011, No. 6).