[TowerTalk] Concrete base - tower

[Bob Farkaly]

Larry,

Having installed a 70 ft self supporting tower in 4 parts of the US, and seeing for myself the complex stresses
imposed on the base, I wouldn't deviate from the manufacturers' specifications.

My $.02 (US)

Bob, K9RHY

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of marsh at ka5m.net
Sent: Thursday, October 12, 2017 1:42 PM
To: 'Larry Horlick'
Cc: towertalk at contesting.com
Subject: Re: [TowerTalk] Concrete base - tower

Unless you are a Civil or Mechanical Engineer and can do all the calculations to confirm that your redesign is
in fact "equivalent", I recommend you follow the manufacturer's design and specs exactly.

73,
Marsh, KA5M


-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Larry Horlick
Sent: Thursday, October 12, 2017 12:00 PM
To: towertalk at contesting.com
Subject: [TowerTalk] Concrete base - tower

I am preparing to install a 70' Trylon SuperTitan S500. Nothing is done at this stage...I'm thinking about
pouring the base first. Hi.

The manufacturer has supplied a drawing of the required concrete base. It is a pad and pier design. Doing a pad
and pier is significantly more work (i.e.
creating the form) than, say, just a rectangular block that I could simply pour in the hole with very little
form work.

My question is...Can do that? Can I change the pad/pier to a block, by altering the dimensions, amount of
rebar, etc. to arrive at an "equivalent"
to the pad/pier??

I welcome any relevant comments/questions/suggestions.


Larry
VO1FOG
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