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Is your concrete slab really going to vary from one foot to five feet THICK? I must have read your post wrong. 8 x 13 x (1 to 5 feet) is around 10 cubic yards of concrete -- that's a lot of concrete. What sort of forms are you using? Just curious. -- ---- Joe S. "Scott M. Petty" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I'm planning to mount a telescope pier (Astro Pier) on a to be poured > concrete slab. The slab would be on a slope (although the slab obviously > would be level) and would vary between 1 and 5 feet in depth, being at least > 4 feet deep under the telescope pier. The overall size of slab would be > approximately 8 x 13 feet. > > Would NOT isolating the telescope pier from the rest of the slab be a > problem? If my children or dogs walk on the slab am I going to get all > sorts of vibration in the mount or is the mass of the slab such that > vibration shouldn't be a problem? > > Thanks in advance!!! > > Scott > > [EMAIL PROTECTED] > >
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