(A) Chapter 3, Section R301.1.3.2 is amended to read as follows:
R301.1.3.2 Woodframe structures greater than two-stories. The building official shall require construction documents to be approved and stamped by a California licensed architect or engineer for all dwellings of woodframe construction more than two stories and basement in height. Notwithstanding other sections of law, the law establishing these provisions is found in Business and Professions Code Section 5537 and 6737.1. The building official shall require construction documents to be approved and stamped by a California licensed architect or engineer for all dwellings of wood framed construction more than one story in height or with a basement located in Seismic Design Category D0, D1, D2 or E.
(B) Chapter 4, Section R401.1 is amended to read as follows:
R401.1 Application. The provisions of this chapter shall control the design and construction of the foundation and foundation spaces for all buildings. In addition to the provisions of this chapter, the design and construction of foundations in areas prone to flooding as established by Table R301.2(1) shall meet the provisions of Section R322. Wood foundations shall be designed and installed in accordance with AF&PA PWF.
Exception: The provisions of this chapter shall be permitted to be used for wood foundations only in the following situations:
1. In buildings that have no more than two floors and a roof.
2. When interior basement and foundation walls are constructed at intervals not exceeding 50 feet (15240 mm).
Wood foundations in Seismic Design Category D0, D1, D2 shall not be permitted.
(C) Chapter 4, Section R404.2 is amended to read as follows:
R404.2 Wood foundation walls. Wood foundation walls shall be constructed in accordance with the provisions of Section R404.2.1 through R404.2.6 and with the details shown in Figures R403.1(2) and R403.2(3). Wood foundation walls shall not be used for structures located in Seismic Design Category D0, D1, D2.
(D) Chapter 6, Section 602.3 is amended as follows:
Table R602.3(1) shall have the following language added to the Fastening Schedule to read as follows:
j. Staples shall not be used as wood structural panel fasteners in Seismic Design Category D0, D1, D2.
Table R602.3(2) shall have the following language added to the Fastening Schedule to read as follows:
i. Staples shall not be used as wood structural panel fasteners in Seismic Design Category D0, D1, D2.
(E) Chapter 8, Section R803.2.4 is added to read as follows:
Openings in horizontal diaphragms. Openings in horizontal diaphragms shall conform with Section R503.2.
(Ord. 1784, passed 10-19-22)