PDFWAC 51-51-0301

Design criteria.

R301.2 Climatic and geographic design criteria. Buildings shall be constructed in accordance with the provisions of this code as limited by the provisions of this section. Additional criteria shall be established by the local jurisdiction and set forth in Table R301.2(1). The local jurisdiction shall designate the salt water coastal areas within their jurisdiction.
R301.2.2.3.1 Height limitations. Wood-framed buildings shall be limited to three stories above grade plane or the limits given in Table R602.10.3(3). Cold-formed, steel-framed buildings shall be limited to less than or equal to three stories above grade plane in accordance with AISI S230. Mezzanines that comply with Section R328 shall not be considered as stories. Structural insulated panel buildings shall be limited to two stories above grade plane.
R301.5 Live load. The minimum uniformly distributed live load shall be as provided in Table R301.5.
TABLE R301.5
MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS
(in pounds per square foot)
Use
Live Load
Uninhabitable attics without storageb
10
Uninhabitable attics with limited storageb, g
20
Habitable attics and attics served with fixed stairs
30
Balconies (exterior) and deckse
60
Fire escapes
40
Guards and handrailsd
200h
Guard in-fill componentsf
50h
Passenger vehicle garagesa
50a
Rooms other than sleeping rooms
40
Sleeping rooms
30
Stairs
40c
(No change to footnotes)
[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 16-03-025, § 51-51-0301, filed 1/11/16, effective 7/1/16. Statutory Authority: RCW 19.27.031 and chapters 19.27 and 34.05 RCW. WSR 13-04-068, § 51-51-0301, filed 2/1/13, effective 7/1/13. Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 10-03-098, § 51-51-0301, filed 1/20/10, effective 7/1/10. Statutory Authority: RCW 19.27.190, 19.27.020, and chapters 19.27 and 34.05 RCW. WSR 08-01-102, § 51-51-0301, filed 12/18/07, effective 4/1/08.]