How do we determine the risk category?

Risk category can be determined in accordance with Table 1.5-1 of ASCE 7-10 or IBC Table 1604.5. The WFCM loads are based on an on assumed Risk Category II. The wind map in the WFCM is the Risk Category II wind speed map of ASCE 7-10.

The following FAQ is based on the presentation of STD310 – Part 1 of the 2012 WFCM Webinar Series: Wind Speed and Design Pressure Determination According to ASCE 7-10.