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Re: [TowerTalk] TowerTalk Digest, Vol 45, Issue 59

Subject: Re: [TowerTalk] TowerTalk Digest, Vol 45, Issue 59
Date: Wed, 13 Sep 2006 08:59:01 EDT
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In a message dated 9/12/2006 5:10:56 P.M. Pacific Daylight Time, writes:>
Subject: Re: [TowerTalk] US Tower MA 550  Windloading - 90MPH?
To: <>
Message-ID:  <00db01c6d6ba$c3708470$6500a8c0@GX400A>
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Hello Al,

With  this new engineering obstacle in your path, you need to start looking 
at heavy  duty towers, as suggested in other parts of this thread. Having to 
provide a  design with 1/2" of radial ice loading to the city puts your 
installation into  a commercial grade tower. Not only does the ice add surface 
it adds  incredible weight to a structure as well.

For reference, the Heights  Tower Company lists a standard 32 foot tower 
capable of supporting 8 sq ft of  antenna in 100 mph winds with 1/2" radial 
You will find it listed near  the bottom of this page (scroll way down the 
page, right above the picture of  the 92 foot tower rated for 150 mph winds 
was installed in south  Florida):

Under that photo is  this statement: "Heights Towers can provide engineering 
calculations and  diagrams signed by a Professional Engineer licensed in your 
state for $350 on  standard tower configurations." Few, if any, amateur tower 
manufacturers  provide this type of engineering help.


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