In a message dated 9/12/2006 5:10:56 P.M. Pacific Daylight Time,
Subject: Re: [TowerTalk] US Tower MA 550 Windloading - 90MPH?
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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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