Florida Structural Engineers Association
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NCSEA Webinar

  • 03 Nov 2015
  • 1:00 PM - 2:30 PM
  • Webinar

Calculating & Applying Design Wind Loads on Buildings Using the Envelope Procedure in ASCE 7

The Envelope Procedure in ASCE 7 is probably the least understood procedure for calculating wind loads in ASCE 7.  The Envelope Procedure is an alternative method for determining Main Wind Force Resisting System loads on low-rise buildings.  It differs from the Directional Procedure in that Gust and Pressure Coefficients are combined (GCp) and wind pressures are applied to various zones that have to be rotated around the building.  Additionally, the Envelope Procedure will return different wind pressures from the Directional Procedure.  While the Envelope Procedure is the most confusing and least understood method, it forms the basis of all the prescriptive methods referenced in the code including many of the simplified tables.  This course will provide a detailed description of how to calculate wind loads using the Envelope Procedure including the appropriate method for applying the loads on the building.  

This course will award 1.5 hours of continuing education.

T. Eric Stafford, P.E., specializes in wind hazard mitigation and code development activities.  He is currently President of T. Eric Stafford & Associates and serves as a building code consultant for various groups including the Institute for Business and Home Safety.  Stafford recently partnered with ASCE Press to publish the Significant Changes to the Wind Load Provisions of ASCE 7-10 and Significant Changes to the Earthquake Load Provisions of ASCE 7-10.   He has a Bachelor of Civil Engineering and a Master of Science (Structural emphasis) from Auburn University and is a member of ASCE 7 Task Committee on Wind Loads, previous member of the National Hurricane Conference Planning Committee, Chairman Emeritus of the National Hurricane Conference Engineering Topic Committee, a member of the ICC 600 Committee, Former Staff Liaison to the SBCCI Wind Load Committee, and former Staff Liaison to the International Building Code Structural Code Development Committee.  Stafford is a national lecturer on the wind provisions of the International Building Code and ASCE 7.  Stafford also was Manager of Codes for the International Code Council and Director/Code Development for the Southern Building Code Congress.  



Registration for this course will close on Monday, November 2 at 11:59 p.m.

Register online at ncsea.com.


Questions and Comments Please contact Sara Guthrie at (407)347-4962 Email:  fseadirector@flsea.com


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