What about building 7? Apr 1, 2014 10:50:34 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by navyseals on Apr 1, 2014 10:50:34 GMT -5 I am not expert on engineering, please let me know if you are, so I think that expert testimony on the subject is the way to go. Here is some information on the subject:Washington Blog