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Re: [TowerTalk] Galvenized Monopole Foundation

To: lists@oakcom.org, towertalk@contesting.com
Subject: Re: [TowerTalk] Galvenized Monopole Foundation
From: Jonathan - KE0YBL via TowerTalk <towertalk@contesting.com>
Reply-to: Jonathan - KE0YBL <KE0YBL@protonmail.com>
Date: Wed, 05 Aug 2020 02:46:16 +0000
List-post: <mailto:towertalk@contesting.com>
Thanks, that's good info. Are there rules of thumb on coming up with the 
overkill mop design? I can make some assumptions based on height and surface, 
but I've not seen a standard formula or calculator for such an estimation. If 
I'm looking at $5k in rebar and $20k in concrete I want to know that first. 
(Gross comical estimations ;)

I keep thinking 80' is really not a large structure, but I understand it has 
giant kite properties to it..

Jonathan

-------- Original Message --------
On Aug 4, 2020, 9:35 PM, Steve Maki wrote:

> The three common pole foundations are deep caisson, pad & pier, and big
> block, in that order.
>
> To get it engineered you would need a geo survey ($1500-$2500), which
> the manufacturer would use to *suggest* a design. You would have to pay
> them since you didn't buy it from them, maybe another $1500.
>
> It's probably cheaper to just use the *overkill* MOP. Pad & pier is not
> that hard, a block is easier yet. It takes lot's of concrete and rebar
> to sleep well at night without an engineer's stamp. I would do it myself
> for a small 80' ham pole, but I will not recommend it here...
>
> -Steve K8LX
>
> On 08/04/20 22:13 PM, Jonathan - KE0YBL via TowerTalk wrote:
>> Good thoughts, I had considered a similar approach, and that may really be 
>> the way to go.
>>
>> Any thoughts on foundation design? Or cost thoughts on a reasonable PE if 
>> that's needed?
>>
>> I'm committed to giving an answer on buying this sucker early tomorrow (or 
>> not), and the research didn't happen nearly as quickly as I had hoped. Hence 
>> my reaching out to the helpful folks here. :)
>>
>> Jonathan
>
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