Departments
Design Criteria

WILLIAMS COUNTY DESIGN CRITERIA

Ground Snow Load

30/35 psf depending on location

Wind Design Speed

115 mph for Risk Category II Buildings

Seismic Category

A

Subject to Damage from:

 

             Weathering

SEVERE

             Frost Line Depth

48 inches

             Termite

None

Ice Barrier Underlayment Required

YES

Air Freezing Index

4000

Mean Annual Temperature

45°F



206 East Broadway
Williston, ND 58801

Mailing Address:
PO Box 2047
Williston, ND 58802-2047

701.577.4500

© 2020 Williams County
site by DAWA

Facebook