1301.4.1 Structural analysis. The owner shall have a
structural analysis of the existing building made to determine
adequacy of structural systems for the proposed alteration,
addition, or change of occupancy. The analysis shall
demonstrate that the altered building or structure complies
with the requirements of Chapter 16 of the International
Building Code.
EXCEPTION:
The reduced International Building Code level seismic forces as specified in Section 506.1.1.3 shall be permitted to be used
for this analysis.
[Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-481301, filed
12/19/06, effective 7/1/07.]