someone asked about "units" and i thought i included that the units were
in feet. had him take out a couple of feet of the base...maybe two and a
half feet van
----- Original Message -----
From: "David Gilbert" <xdavid@cis-broadband.com>
To: "Van K7VS" <wa7fab@cdsnet.net>
Cc: <towertalk@contesting.com>
Sent: Sunday, August 23, 2009 2:12 PM
Subject: Re: [TowerTalk] Remove Tower Base
>
> Sounds like a good scheme. I had assumed that the base needed to
> actually be removed as NA5U originally stated, such as if it was going
> to be in the way of something else that needed to go in (electrical or
> plumbing run to the house, etc).
>
> 73,
> Dave AB7E
>
>
>
> Van K7VS wrote:
>> David. I had a three by four foot by six feet deep concrete base to
>> remove.
>> I hired a fellow with a portable jackhammer. I had him remove two or so
>> of
>> the concrete and he cut the rebar with a torch and covered the hole up
>> with
>> fresh dirt and I picked up some roll out grass to cover the work. This
>> was
>> fifteen years ago and it took him about half a day, in and out so to
>> speak.
>> Solved my problem and doubt anyone will ever find the rest of it. Was
>> quite
>> inexpensive and solved my problem. Van, K7VS
>>
>>
>> ----- Original Message -----
>> From: "David Gilbert" <xdavid@cis-broadband.com>
>> To: <towertalk@contesting.com>
>> Sent: Sunday, August 23, 2009 10:26 AM
>> Subject: Re: [TowerTalk] Remove Tower Base
>>
>>
>>
>>> Assuming the base is properly laced with rebar, it seems to me that it
>>> might be just as much work to get it out of the hole fractured as
>>> intact. Either way, you'd either remove it in one piece or have to cut
>>> it up anyway.
>>>
>>> By the way, depending upon how brittle the concrete is (or saturated
>>> with moisture), dry ice or liquid nitrogen might be helpful to crack
>>> it. I've been told that it is sometimes used in wells to increase the
>>> density of microfractures in rock surrounding the well shaft.
>>>
>>> 73,
>>> Dave AB7E
>>>
>>>
>>> At 11:54 PM 8/22/2009, NA5U Shack wrote:
>>>
>>>
>>> I need to remove my concrete tower base. I have heard there is a
>>>
>>> compound that can be put into holes that have drilled in the concret
>>>
>>> that will expand break it apart. Does anyone know what the
>>>
>>> solution is and where to find it.
>>>
>>>
>>> Regards,
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>>>>> At 11:54 PM 8/22/2009, NA5U Shack wrote:
>>>>>>>
>>>>>>>
>>>>>>>> I need to remove my concrete tower base. I have heard there is a
>>>>>>>> compound that can be put into holes that have drilled in the
>>>>>>>> concret
>>>>>>>> that will expand break it apart. Does anyone know what the solution
>>>>>>>> is and where to find it.
>>>>>>>> Regards,
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>
>>
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