Don,
A structural engineer can design you a foundation that will work. If
Remegio Fernandez were still at UST, he could take care of it, but he moved
back to Venzuela.
In general, if a tower foundation cannot be excavated due to shallow water
or a granite dome, the alternative is a "mat" foundation, which creates the
same overturning resistance but across a much wider area. I would look into
that alternative before moving to the other side of a road!
73,
Steve
N6SJ
-----Original Message-----
From: TowerTalk <towertalk-bounces@contesting.com> On Behalf Of Don Solberg
Sent: Wednesday, May 27, 2020 3:45 PM
To: towertalk@contesting.com
Subject: [TowerTalk] Looking for some foundation advice
I was planning on purchasing a used US Tower HDX-572, 72 ft crank up tower.
It looks like I may have run into a problem with the foundation. I had some
trenching done today for a new well and discovered that the ground water
level is just slightly lower than 6ft. US Tower specifications call from a
7.5 foot deep hole. My soil is mostly sand, so in addition to not being able
to go down 7.5 ft, I probably also want to make the foundation wider.
Is it practical to put up the 72ft tower with a wider pad, or should I look
at getting a smaller 55ft tower? Another alternative is find another
location for the tower. I have about a 10 ft hill on another property that
I own across a gravel road. This would most likely eliminate the ground
water problem but I would have about a 300 ft cable run and I would have to
trench across the town's gravel road.
I am looking for recommendations.
73,
Don K9AQ
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