WAC 51-50-0502
Section 502 -- Definitions.
502.1 Definitions. The following words and terms shall, for
the purposes of this chapter and as used elsewhere in this
code, have the meanings shown herein.
BASEMENT. A story that is partly or completely below grade
plane (see "Story above grade plane" in Section 202). A
basement shall be considered as a story above grade plane
where the finished surface of the floor or roof next above the
basement is:
1. More than 6 feet (1829 mm) above grade plane; or
2. More than 12 feet (3658 mm) above the finished ground
level at any point.
STORY. That portion of a building included between the
upper surface of a floor and the upper surface of the floor or
roof next above, including basements (also see "Basement" and
"Mezzanine").
[Statutory Authority: RCW 19.27.074, 19.27.020, and chapters 70.92, 19.27, and 34.05 RCW. 07-01-091, § 51-50-0502, filed
12/19/06, effective 7/1/07.]