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RE: hole in steel web[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: hole in steel web
- From: "Rodriguez, Marlou" <mrodriguez(--nospam--at)BiggsCardosa.com>
- Date: Thu, 5 Oct 2000 12:14:43 -0700
Fracisco, First thing is first, make sure that the penetration through your beam is the contractor's last option. Sometimes the contractor goes to the structural engineer first because he/she will allow modification. If it is a mechanical penetration, have the contractor verify with the mechanical people that this is the only option. Sometimes moving a duct is not as bad as maybe having problems later with your beam. After you burn a hole through the beam the coating for the beam is also taken out, this may cause the beam to rust at a later time. If this is your only option, First you should be concerned of the location of the penetration. You do not want to be near a support or near a point load from above the beam. Second you should try to locate the penetration at the middle of the web. Check AISC, they have a general guide to beam penetrations. -----Original Message----- From: Francisco Duarte [mailto:fduarte(--nospam--at)LEASUNG.COM] Sent: Thursday, October 05, 2000 10:42 AM To: 'seaint(--nospam--at)seaint.org' Subject: hole in steel web Does anyone have any info. concerning drilling a hole in a steel web. I have a W18X50 and the contractor wants to drill a hole 31/2 inches in diameter in tithe web. What should I be concert in this situation. Any info will be greatly appreciated. million thanks, F. Duarte, EIT.
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