That I can agree with. Do it like the plans, or get an engineer to do alternate
plans
--
73 de KG2V
Charlie
> On Dec 15, 2018, at 7:24 PM, terry burge <ki7m@comcast.net> wrote:
>
> Just a little bit of concern from me. I'm not familiar with the concrete
> 'blocks' you are going to use. For my 117' Rohn 55 tower I used the 7-8'
> anchor rods that go in at an angle in the ground and planted a good 5' or so.
> They have a plate at the bottom that screws on and is meant to go up solid
> again undisturbed ground as a method for holding. Disturbed (dug up ground)
> is not to be trusted or so the explanations tell). In my case I carried 60#
> sacks of concrete (25-35) to the holes and poured them in with running the
> water hose enough to wet the pour down some. Not constant of course. Nothing
> fancy as far as mixing but it worked. To my SW anchor I added more sacks of
> concrete and the hole was a bit deeper due to the fact that our biggest wind
> storms come out of the SW (cyclones or whatever you want to call them out of
> the Pacific). Not usually real bad winds compared to a lot I've heard of but
> scary enough with 70-80-90 MPH winds. Four sets of guys on it in three
> directions every 120 degrees.
>
> Mine is a pretty substantia setup and I'd recommend you at least add a lot of
> concrete to the holes about 5-6' deep. 150' is a pretty substantial tower. If
> you want to see pictures check out my QRZ page.
>
> Terry
> KI7M
>
>> On December 15, 2018 at 4:01 PM Charles Gallo <charlie@thegallos.com> wrote:
>>
>>
>> I believe they do have rebar in them, but you might have cold seams too (if
>> they don’t have enough spare concrete at the end of the day to make a full
>> block. I could ask at work on Tuesday (next time I’m in the office). Trust
>> me, I know we make a lot of them
>>
>> --
>> 73 de KG2V
>> Charlie
>>
>>> On Dec 15, 2018, at 6:49 PM, <john@kk9a.com> <john@kk9a.com> wrote:
>>>
>>> 150' of Rohn 55G tower is a pretty substantial structure and you do not want
>>> to skimp on one of the key components. To my knowledge there is no rebar in
>>> the premade blocks and I am guessing that the steel loops are designed just
>>> for transporting the blocks and not the thousands of pounds that can be
>>> created by guy cables. Also even my 80' Rohn 55g tower has larger anchor
>>> slabs than one of these blocks.
>>>
>>> John KK9A
>>>
>>>
>>> KC8HZ wrote:
>>>
>>> I've been thinking about guy anchors for a tower I'll be putting up next
>>> spring. The tower will be 150 feet of Rohn 55 and it will require 3 triple
>>> guys.
>>> Instead of poured concrete for the guy anchors I've been thinking about
>>> using some of those Concrete Bin Blocks which are 2'x2'x4'. I'd bury them
>>> and attach the guy ends to the steel loops imbedded into the blocks.
>>> Does anyone have thoughts on them ?
>>>
>>> RoGrrr
>>> Roger
>>> KC8HZ
>>> Ohio
>>>
>>> _______________________________________________
>>>
>>>
>>>
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>>
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