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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