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RE: Helical Steel Stairs Question[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: Helical Steel Stairs Question
- From: "Armijo, John J (PWCSD 410)" <ArmijoJJ(--nospam--at)PWCSD.NAVY.MIL>
- Date: Thu, 3 Oct 2002 12:44:09 -0700
See the Seaint archives dated May 2000. On May 26 there was some discussion. I say that to say that you may need to search the June 2000 archives if it is not included in the May archive.
From: William Grizzell, P.E. [mailto:wtgrizzell(--nospam--at)msn.com]
Sent: Wednesday, October 02, 2002 2:08 PM
Subject: Helical Steel Stairs Question
I've been asked to provide a design for a residential steel stair that has a double helix twisted shape, approx. 10 ft. high and has a 180 degree radius. I plan on using cold rolled 12" channel for the stringers with welded z-shaped plates for steps. The stairs will be wrapped in wood. Any suggestions on how to calculate this or other recommendations are much appreciated.
William Grizzell, P.E.
Consulting Engineer - Structural
2278 Camino Ramon, Suite 12
San Ramon, CA
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