From: Scott E Maxwell <smaxwell(--nospam--at)engin.umich.edu>
Date: Mon, 5 Jun 2000 16:04:09 -0400 (EDT)
One small suggestion is to have them "template" cut the holes. This may
help to assure that you actually get an 8" diameter hole not some
amorphous hole that closely approximates 8" diameter.
On Mon, 5 Jun 2000, James F Fulton wrote:
> Are there any special procedures that should be followed when cutting
> circular openings in the webs ? I have an existing W33x130 that will have a
> 8 inch diameter hole field burned. The hole will be reinforced with a 3"
> long piece of pipe that is to be snug fit in the hole and fillet welded to
> the web on both sides. Does the cut surface have to be ground smooth for
> example ? I'm using AISC Steel Design Guide #2 for design check.
> Thanks for any comments.