Thanks for the input. I figured it should be a LTB limit, but it was unclear how to quantify/justify the limit using the AISC specs/appendices without flanges (referencing the Q factor). I just downloaded the 2005 Spec, and I'll give Sect F11 a read.
On a side note, this is a great forum...
First off, I rarely design in steel (and haven't really since college), and I'm not all that familiar with the AISC manual. My somewhat hypothetical question is this (and referencing the AISC-ASD 9th Ed, since that is the one I have):
Suppose I have a cantilever steel plate with a point load at...