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2. The roof and three enclosing walls are solid sheathed with '/z -inch nominal thickness wood structural panels with 8d common nails placed 3/8 inches from panel edges and spaced not more than 6 inches on center along all panel edges and 12 inches on center along intermediate framing members. Wall openings for doors or windows are permitted provided a minimum 4 foot wide wood structural braced panel with minimum height to length ratio of 2 to 1 is provided at each end of the wall line and that the wall line be sheathed for 50% of its length. Cripple walls having a stud height exceeding 14 inches (356 mm) shall be considered a story for the purpose of this section and shall be braced as required for braced wall lines in accordance with Table 2308.12.4. Where interior braced wall lines occur without a continuous foundation below, the length of parallel exterior cripple wall bracing shall be one and one -half times the lengths required by Table 2308.12.4. Where the cripple wall sheathing type used is Type S -W and this additional length of bracing cannot be provided, the capacity of Type S -W sheathing shall be increased by reducing the spacing of fasteners along the perimeter of each piece of sheathing to 4 inches (102 mm) o.c. 20.08.150 CBC Section 2308.12.5 amended — Attachment of sheathing. Sections 2308.12.5 is amended to read as follows: 2308.12.5 Attachment of sheathing. Fastening of braced wall panel sheathing shall not be less than that prescribed in Table 2308.12.4 or Table 2304.9.1. Wall sheathing shall not be attached to framing members by adhesives. All braced wall panels shall extend to the roof sheathing and shall be attached to parallel roof rafters or blocking above with framing clips (18 gauge minimum) spaced at maximum 24 inches (6096 mm) on center with four 8d nails per leg (total eight 8d nails per clip). Braced wall parcels shall be laterally braced at each top corner and at maximum 24 inch (6096 mm) intervals along the top plate of discontinuous vertical framing. 20.08.160 CBC Chapter 24 amended — Glass and Glazing. Chapter 24 is amended to add Section 2410 to read as follows: Section 2410 Shower Enclosures. 2410.1 General. Glazing and installation of framed and frameless shower units shall be in accordance with manufacturer's instructions and the AGA Industry Frameless Shower Standards (AGA -SHI) and comply with Category II of CPSC 16 CFR 1201. 2410.1.1 Structural Framing. The entire surround of a shower opening shall be no Tess than nominal wood stud construction or steel studs with wood furring. 2410.1.2 Jumping Retainers. A device shall be installed in the header that prevents a sliding panel from accidentally vacating the opening. 38