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s it a Nonstructural Component or Non building Structure?
2

s it a Nonstructural Component or Non building Structure?

s it a Nonstructural Component or Non building Structure?

(OP)
Hi all,

wondering what you would categorize the attached air filter dwg.  Is it a

A.) Nonstructural Component (ASCE 7-05 chapter 13)
or
B.) Non building Structure  (ASCE 7-05 chapter 15)

I'm leaning towards B, even though it is, technically, a mechanical unit.  But, since this air handler is not attached to a main laterally resisting structure and is a stand-alone structure (i.e it's gotta resist the lateral loads on its own.  I feel it would fall under chapter 15, table 15.4-2, under elevated tanks, vessels, bins, hoppers (ASCE 7-05).

I've also noticed that the seismic load for this air filter corresponding to category B is almost 40% greater than that of A.



 

RE: s it a Nonstructural Component or Non building Structure?

I agree with Mike.

I have some experience with mechanical units where I used Chapter 15 for the same reason as you.

By going the more conservative route you also avoid any complications that could arise if the plan checker doesn't agree with a chapter 13 justification attempt.

 

RE: s it a Nonstructural Component or Non building Structure?

(OP)
PMR06

great article,  thanks for the reference..

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