[TowerTalk] Plumbing a tower
K7LXC at aol.com
K7LXC at aol.com
Tue Jan 22 16:28:02 EST 2008
In a message dated 1/22/2008 6:56:43 A.M. Pacific Standard Time,
towertalk-request at contesting.com writes:
> When I put up my 97-foot Rohn 25 tower on a pier pin base (my first and
only experience of this kind), the experienced tower builders who were
helping me said absolutely nothing about plumbing the tower with any kind
of instrument. When it was up and all three guy sets were installed, one
guy stood at the base looking up the tower while 3 others adjusted the
turnbuckles at the guy anchors to get it approximately straight and
vertical. Once it looked OK, each one tightened his turnbuckle by the same
number of turns until the guy tension (measured with a Loos Gauge) was
correct.
> I am wondering how important all this emphasis on precision really is?
Well, the vertical tolerance spec per the TIA-222 is 3" per hundred
feet. Some people are just more particular than others.
Cheers,
Steve K7LXC
TOWER TECH
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