City of Spokane

Spokane Municipal Code

***Note: Many local criminal codes can now be located under Chapter 10.60 SMC while others are now cited under the Revised Code of Washington (RCW), which was incorporated into the municipal code in 2022. (See SMC 10.58.010). Code Enforcement, including Noise Control and Animal Regulations are located in Chapters 10.62 through 10.74.

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Title 17F
Chapter 17F.040
Section 17F.040.105
 

Title 17F Construction Standards

Chapter 17F.040 Building Code

Section 17F.040.105 Design Criteria

Table R301.2(1) is modified as follows to identify the design criteria associated with our geographical area:

TABLE R301.2(1)

Ground Snow Load*

Wind Speed
(ult)

Seismic Design Category

SUBJECT TO DAMAGE FROM

Winter Design Temp

Ice Barrier Underlayment Required

Flood Hazards

Air Freezing Index

Mean Annual Temp

Weathering

Frostline Depth

Termites

Decay

39 lbs/ft2

110 mph

C

Severe

24"

Slight to Moderate

None to Slight

10°F

Yes

2006 1992 FIRM

1232

47.2°F

*Minimum roof snow load: 30 lbs/ft2

Date Passed: Monday, May 23, 2016

Effective Date: Thursday, June 30, 2016

ORD C35389 Section 7