Patrick A. Johnston, P.E. johnston@jbaengr.com Scott G. Burkholder, P.E. burkholder@jbaengr.com Johnston Burkholder Associates 930 Central Street Kansas City, MO 64105 phone: 816.421.4200 fax: 816.421.4381 Bart J. Halverson, P.E. halverson@jbaengr.com Joseph N. Flanagan, P.E. flanagan@jbaengr.com