WAC 51-50-480302
Section 302 -- Additions, alterations or
repairs.
302.1 Existing buildings or structures. Additions or
alterations to any building or structure shall comply with the
requirements of the International Building Code for new
construction except as specifically provided in this code. Additions or alterations shall not be made to an existing
building or structure that will cause the existing building or
structure to be in violation of any provisions of the
International Building Code. An existing building plus
additions shall comply with the height and area provisions of
the International Building Code. Portions of the structure
not altered and not affected by the alteration are not
required to comply with the code requirements for a new
structure.
[Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-480302, filed
12/19/06, effective 7/1/07.]