Pier Details

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First a large concrete column is poured...

Looking North from below the site

 

Steel at work

 

 

Then after the building and dome are built, a steel pier was bolted onto the column.  The steel pier has a south offset designed into the top so that the center of rotation of my fork mounted telescope will be in the center of curvature of the dome.  This is so that I will have a consistent amount of space around the optics for attachments.  I did not wish to offset the whole pier and column since I may change to a German Equatorial at some stage.

Basic Specifications

Top Plate (from the top)

Bottom Plate (from the top)