Office Hours
8:00 - 4:30 M-F
 
 
 
  • 615 W Alder St
    Shelton, WA 98584

  • (360) 427-9670 ext. 352
    (360) 427-7798 FAX


 

Building Department - Climatic and Geographic Design Criteria

 
RESIDENTIAL DESIGN CRITERIA
TABLE R301.2(1)
International Residential Code (IRC)
 
Ground Snow Load Basic Wind Speed (MPH) Topographic Effects
Seismic Design Category
85 Basic, 110 Ultimate with 3 second wind gust
Figure R301.2(4)A
Exposure site specific
See R301.2.1.4
No
D2
 
 
Winter Design Temp
Ice Shield
Underlayment Required
 
Flood Hazards
23 F
no
 
(a) Feb. 1991
(b)May 1988
(c) 5301150 #25 through 300
revised 1998
         
 
Air Freezing Index
Mean Annual Temp
170
51 F
         
 
PSF
 
1500 soils
 
         

Subject to damage from

Weathering
Frostline Depth
Termites
 
Decay
moderate
12 inches
slight to moderate
 
slight to moderate