(Effective until July 1, 2020)
Alterations.
403.1 General. Except as provided by Section 401.2 or this section, alterations to any building or structure shall comply with the requirements of the International Building Code for new construction. Alterations shall be such that the existing building or structure is no less conforming with the provisions of this code than the existing building or structure was prior to the alteration.
EXCEPTIONS: | 1. An existing stairway shall not be required to comply with the requirements of Section 1011 of the International Building Code where the existing space and construction does not allow a reduction in pitch or slope. |
| 2. Handrails otherwise required to comply with Section 1011.11 of the International Building Code shall not be required to comply with the requirements of Section 1014.6 regarding full extension of the handrails where such extensions would be hazardous due to plan configuration. |
| 3. In buildings considered existing structures on July 1, 2010, dwelling units shall be permitted to have a ceiling height of not less than 7 feet (2134 mm). |
[Statutory Authority: RCW
19.27.031 and
19.27.074. WSR 16-03-064, § 51-50-480403, filed 1/19/16, effective 7/1/16.]
(Effective July 1, 2020)
Reserved.
[Statutory Authority: RCW
19.27.031 and
19.27.074. WSR 20-01-090, § 51-50-480403, filed 12/12/19, effective 7/1/20; WSR 16-03-064, § 51-50-480403, filed 1/19/16, effective 7/1/16.]