I told it to expect the ST after the alpha code. I also am currently only working in Ss2, which is a little less advanced than what is in Ss3. Since you guys, MD SHA were still in earlier versions, I have only dabbled with this.
Here are some earlier conversations on this topic:
http://communities.bentley.com/products/road___site_design/f/5922/t/52406.aspx
http://communities.bentley.com/products/road___site_design/f/5922/t/72995.aspx
There might be more, but these are related to MD SHA codes.