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Re: Threshhold For Structural Engineering

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     IMHO, it would have to be a conservative combination of material based,  load based and location based criteria.  "Conservative" would include FOR EXAMPLE using simple beam sizing for continuous applications.  Also, in Lousiana on the coast, obviously wind loading is a factor to consider.  For both situations, the material unit stresses are what it "boils" down to as a function of length, load and (not mentioned above) connection.  Any application requiring bracing (flange for bending and diagonal for lateral forces et.al.) should require an engineer.  Relatedly, I believe that any application where second order analysis is required calls for an engineer and therefore implies that the number of stories should be limited.
 
     What if you do it all and all of it complies to the criteria except one beam or one portion of the structure?  Maybe have a municipally employed engineer design and specify for a nominal fee?
 
Greg
-----Original Message-----
From: Randy Russ <rruss(--nospam--at)eatel.net>
To: seaint(--nospam--at)seaint.org <seaint(--nospam--at)seaint.org>
Date: Thursday, September 02, 1999 5:06 PM
Subject: Threshhold For Structural Engineering

The Louisiana Board is drafting policy to define minimum threshholds of construction before an engineer's seal is required. I was asked about what should be a minimum threshhold for structural engineering. 
 
What are other states doing? What is the minimum threshhold before a structural engineer gets involved? Is it based on type of construction, span, etc.?
 
I appreciate your input.
 
Randy Russ, P.E.
Russ Engineering
Baton Rouge, La.