S20x80, top of steel 2" below nominal
etc.
On Tue, Nov 10, 2009 at 12:47 PM, ken ng <zy7up@yahoo.com> wrote:
I am looking at an old set floor plan and sections. The steel beams were called out as follow:20" I 80# - 2"20" I 65# - 2"24" I 80# - 2"Does anyone know what are these called out mean? I knew that we do have an 24" depth steel beam, but we don't have wife flange that is 20" depth.
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Tripp Howard