Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors William L. Coulbourne, PE, SECB, F. SEI, F. ASCE William L. Coulbourne, PE, SECB, F. SEI, F. ASCE., is a consulting structural engineer with a focus on high wind and flood designs. He participates on ASCE 7 wind load task committee, flood load task committee, tornado wind estimation task committee, and NCSEA wind load committee. He also provides instruction for 30 seminars and webinars annually on high wind and flood design issues for ASCE and private continuing education companies.