Subject: Re: OSHA 4-Bolt Column Requirements and Pre-Engineered Buildings
From: r nester <rnester(--nospam--at)juno.com>
Date: Fri, 15 Jun 2001 00:56:30 -0700
I participated in a forensic investigation a couple of years ago that
concerned collapse of a partially-constructed metal (pre-engineered)
building frame. Those four bolts per column would likely have saved the
legs of an unfortunate workman. I think OSHA is reacting to this and
other similar cases.
Russ Nester, SE, CE
On Thu, 14 Jun 2001 12:20:07 -0500 "Effland, Greg"
> Once the OHSA regulation is put into action any column over 300 lbs
> columns and endposts) will require a minimum of 4 anchor bolts.
> will not see much affect on the base plate thickness (at least not
> Greg Effland, P.E.
> KC MO
> -----Original Message-----
> From: Mark D. Anderson PE [mailto:mark(--nospam--at)alaskaengineer.com]
> Sent: Thursday, June 14, 2001 11:26 AM
> To: seaint(--nospam--at)seaint.org
> Subject: OSHA 4-Bolt Column Requirements and Pre-Engineered
> Has any one determined how the new OSHA 4-bolt requirement for
> anchoring (Federal Register 63:43451-43513) will be applicable to
> the metal
> building industry? Specifically for the primary frames?
> most of these buildings, at least the small to mid-size ones, have a
> bolt anchorage, with a light baseplate.
> It appears that the MBMA was represented in the proceedings, but I
> readily see where their products are exempted.
> Thank you
> Mark D. Anderson PE
> Anchorage, AK
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