Re: [TowerTalk] Tower fault... Gunnar/Olson study...updated

[Pete Smith <n4zr@contesting.com>]

At 09:59 PM 7/25/2004, you wrote:

> A few years ago, Steve, K7LXC mentioned something about the Gunnar-Olson 
> report on collapsing guyed towers.
>
> I need to procure a copy of that report.  Anyone have an idea as to where 
> that can be located?
>
> I need a copy of it ASAP.
>
> I'm not on the list...so please privately reply to my account at 
> towers@mre.com.


From the list archive:


[TowerTalk] guyed tower reference?

from 
[<http://lists.contesting.com/archives/html/Towertalk/2001-08//archives//cgi-bin/namazu.cgi?query=%2Bfrom%3ASavageBR%40aol.com&idxname=Towertalk&sort=date%3Alate>SavageBR@aol.com] 
[<http://lists.contesting.com/archives/html/Towertalk/2001-08//archives//cgi-bin/mesg.cgi?a=Towertalk&i=104.72b67de.289fe31b%40aol.com>Permanent 
Link][<http://lists.contesting.com/archives/html/Towertalk/2001-08//archives//cgi-bin/extract-mesg.cgi?a=Towertalk&m=2001-08&i=104.72b67de.289fe31b%40aol.com>Original]
To: <<mailto:towertalk%40contesting.com>towertalk@contesting.com>
Subject: [TowerTalk] guyed tower reference?
From: <mailto:SavageBR%40aol.com>SavageBR@aol.com 
(<mailto:SavageBR%40aol.com>SavageBR@aol.com)
Date: Mon, 6 Aug 2001 08:10:03 EDT

Hi Len
The only document and data I have found is a letter written to a Mr. Richard
Ramirez at WHCT-TV in Hartford, CT. by Mr. Gunnar Olsen, Jr., P.A.,P.E.

I obtained my copy from Tower Tech, PO Box 572, Woodinville, WA. 98072

The letter is in draft form and discusses an engineering study performed by
Mr. Olsen of a number of guyed towers that collapsed during the past 40
years. The study indicates all of the debris from a standard multiguyed tower
will fall within a circle with a radius which would not exceed 29 percent of
the tower height. And, 95 percent of the debris falls within a 20.6 percent
radius of the tower height.

My copy of the letter is a multi generation copy that is readable but poor
quality. You might find a better copy. However, if not I will be happy to
mail you a copy of what I have. This letter was included with my application
and satisfied, in part, the request of my Zoning Board and City Council.


and

[Towertalk] Re: Help-Tower Zoning

from 
[<http://lists.contesting.com/archives/html/Towertalk/2002-04//archives//cgi-bin/namazu.cgi?query=%2Bfrom%3ASavageBR%40aol.com&idxname=Towertalk&sort=date%3Alate>SavageBR@aol.com] 
[<http://lists.contesting.com/archives/html/Towertalk/2002-04//archives//cgi-bin/mesg.cgi?a=Towertalk&i=1a9.378aa2.29df052c%40aol.com>Permanent 
Link][<http://lists.contesting.com/archives/html/Towertalk/2002-04//archives//cgi-bin/extract-mesg.cgi?a=Towertalk&m=2002-04&i=1a9.378aa2.29df052c%40aol.com>Original]
To: <<mailto:towertalk%40contesting.com>towertalk@contesting.com>
Subject: [Towertalk] Re: Help-Tower Zoning
From: <mailto:SavageBR%40aol.com>SavageBR@aol.com 
(<mailto:SavageBR%40aol.com>SavageBR@aol.com)
Date: Fri, 5 Apr 2002 08:48:28 EST

Hank,
There is a draft engineering report in the form of a letter for GUYED towers
that shows extensive data on collapsed towers. I obtained my copy from "Tower
Tech," operated by Steve, K7LXC@aol.com. The report is in the form of a
letter from Gunnar Olsen, Jr P.A.,P.E. to Richard Ramirez at Astroline
Communications Co., WHCT-TV, Hartford Conn.

My copy is a many generation copy but if you cannot find one I'll be happy to
send you one. I was successful in getting the setback requirement reduced.

Good luck
Bruce  AA4Z





73, Pete N4ZR
The World HF Contest Station Database
was updated on June 5, 2004
2728 contest stations at
www.pvrc.org/WCSD/WCSDsearch.htm  

_______________________________________________

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