About the author  ⁄ Dilip Khatri, Ph.D., S.E.

Dr. Khatri, Ph. D., S. E., is a consulting engineer and owner of Khatri International Inc., based in Las Vegas, NV and Arcadia, California. He has been a structural engineer for 41 years and is licensed across the USA, Canada, and Australia. He may be reached at (dkhatri@aol.com).

A snowstorm in November 2014 hit Northern Oregon and was subsequently followed with freezing rain and arctic temperatures of -20° F. This event caused a large manufacturing plant’s roof to collapse, resulting in extensive structural damage to the facility. Of the 400,000 square foot plant size, approximately 80,000 square feet (20% of the facility) collapsed and shut down the plant’s operations.

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STRUCTURE magazine