Section 2498 - Landing, Porch, and Stairway - Design and Construction(a) Requirements for the design and construction of all structural elements of porches and stairways and railings are contained in the California Residential Code, except as otherwise provided by this article. Live loads applicable to porch floors and stairways shall be not less than forty (40) psf. Porches shall be designed and constructed as completely freestanding, self-supporting structures. Except as otherwise provided in this article, stairways and ramps shall be a minimum of thirty-six (36) inches in width.(b) Where a door of the unit swings outward onto a landing or porch: (1) The floor of the exterior landing or porch shall be not more than one (1) inch lower than the bottom of the door; and(2) The width and depth of the exterior landing or porch serving stairs perpendicular to any outswinging door opening shall comply with subsection (a) of this section and shall not be less than the full width of the door when open at least ninety (90) degrees. Guard rails shall permit the door to open at least ninety (90) degrees.(c) Where the unit door swings inward or is a sliding door, the landing, porch, or top step of the stairway may not be more than seven and one-half (7 1/2) inches below the door. The width of the landing, porch, or top step of the stairway shall comply both with subsection (a) of this section and not be less than the width of the door opening. A landing or porch is not required when the stairway has a straight run up to the door opening.(d) The stairway may be capable of being relocated and need not be secured to the lot.Cal. Code Regs. Tit. 25, § 2498
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 (d) and repealer of subsection (e) filed 7-22-2005; operative 7-22-2005 pursuant to Government Code section 11343.4 (Register 2005, No. 29).
3. Editorial correction of HISTORY 2 (Register 2005, No. 33).
4. Amendment of subsections (a), (b)(2) and (c) and amendment of NOTE filed 12-26-2006; operative 1-2-2007 pursuant to Government Code section 11343.4 (Register 2006, No. 52).
5. Amendment of subsection (a) filed 2-18-2011; operative 2-18-2011 pursuant to Government Code section 11343.4 (Register 2011, No. 7). Note: Authority cited: Sections 18865, 18865.05 and 18873, Health and Safety Code. Reference: Section 18871.3, 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 (d) and repealer of subsection (e)filed 7-22-2005; operative 7-22-2005 pursuant to Government Code section 11343.4 (Register 2005, No. 29).
3. Editorial correction of History 2 (Register 2005, No. 33).
4. Amendment of subsections (a), (b)(2) and (c) and amendment of Note filed 12-26-2006; operative 1-2-2007 pursuant to Government Code section 11343.4 (Register 2006, No. 52).
5. Amendment of subsection (a) filed 2-18-2011; operative 2-18-2011 pursuant to Government Code section 11343.4 (Register 2011, No. 7).