Bill:
This project was apparently designed in Canada ...
http://www.dallasnews.com/sharedcontent/dws/dn/latestnews/stories/050609dnprobubblefolo.392c513.html
Regards,
Stan R. Caldwell, P.E., SECB, F.ASCE
Richardson, Texas
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What I want to know is this: Doesn't anyone design for wind in Texas?
One little poof of wind, and an entire structure comes down?
T. William (Bill) Allen, S.E.
Consulting Structural Engineers
V (949) 248-8588 • F(949) 209-2509