Drill holes. Pour in expanding grout. Remove chunks.
http://www.youtube.com/watch?v=KgOtMQcMnH0
Dexpan
73,
Joe kk0sd
> Date: Fri, 17 Jan 2014 17:38:20 -0500
> To: towertalk@contesting.com
> From: Mike@ve3yf.com
> Subject: [TowerTalk] Tower Base Removal
>
> Hi:
> I need to have a hole for my new tower 6' x 6' x 7.5' deep. Due to
> limited lot size that I live in, and mainly to keep peace in the
> family, I am looking at removing my old tower base 4' x 4' x 5' deep
> and it contains no re-bar, just tower base stubs. I can't remember
> what grade of concrete it is, but it is about 14 years old. I am
> limited to 2 types of removal, crane and Armstrong method. The crane
> company won't make any guarantee's they can complete the job due to
> complications etc, and want a hefty payment up front. I am now
> looking at having a young guy come by and use a Jackhammer to do the job.
> Has anyone tried demolishing their old tower base and how long did it
> take any problems etc. Since this undertaking is new to me I am open
> to suggestions and or comments and hopefully some good suggestions.
>
> Thanks...
>
>
> 73 De Mike
> VE3YF
>
> http://www.ve3yf.com/
>
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