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I need advice on what i should do to make a pier. how deep should i make a 24 x 24 x ??? hole for a 12" tube? I want to make it with concrete.also Can anyone lend some pointers? I will be using a cpc 1100 on a wedge with the orion short tube piggy backed for a guide scope.will i need a plate made? Please help if any of you have done this let me know. Thanks!!

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Thanks for the reply Lisa. I went down 24'' square then also went with an 8" tube another 18" in the center. I got 2 free 1/2 " plates and measured and drilled the holes myself. Trying to save money for other things I need.

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Don't forget to insert a plastic bag full of dry sand inside the pier. It will minimize any vibrations.

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