Clay, Let's call the attached document preliminary. Let me know if you have any comments and I'll finalize it on Wednesday. Eric S. Christiansen, P.E., SECB, LEED AP Senior Structural Engineer HALFF ASSOCIATES, INC. 1201 North Bowser Road Richardson, Texas 75081 Phone 214-346-6284 Fax 214-739-0095 Cell 972-955-2996 www.halff.com