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RE: Steel connection design
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: Steel connection design
- From: "Haan, Scott M POA" <Scott.M.Haan(--nospam--at)poa02.usace.army.mil>
- Date: Wed, 5 Jul 2006 14:27:05 -0800
It was also conspicuously absent in the 2000 IBC.
This is standard practice on the west coast but the IBC is not written by west
coast engineers alone.
If the lateral force connections [or gravity
connections for that matter] are going to be handled by the fabricator
without the engineer or record providing typical details, then they probably are
not exempt from the practice of engineering in your state and still need to
have an engineer's stamp. If this is not included on your plans or in
your specifications then the manufacturer may only be providing unstamped shop
drawings which do not meet the practice of engineering requirements in your
Wednesday, July 05, 2006 2:11 PM
Subject: Steel connection design
Under the 2003 IBC
(i.e. outside of California), what are the code requirements relating
to steel connections that are required to be detailed by the engineer of
record on the design drawings?
I cannot find
anything directly in the 2003 IBC or ASCE 7-02 that is comparable to the UBC
requirement that "connections that resist design seismic forces shall be
designed and detailed on the drawings". However, the AISC seismic
provisions are required to be followed when R exceeds 3 or in Seismic
Design Categories D, E, or F; and the AISC Seismic Provisions require the
"configuration, material specifications, and sizes" to be shown for connections
that are part of the seismic load resisting systems. So, it appears that
connections must be detailed for those cases.
This would infer
connection design can be deferred to be by the fabricator for a structure in
Seismic Design Categories A, B, and C with R=3 (or lower).
- Just want to
confirm my interpretation.
William Sherman -
CH2M HILL / Denver
Technology Discipline Leader
- Civil / Federal Engineering Group (EPC/EDG)