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This is a cast in place base.
Double layer rebar mats are per Precon's engineer's specifications.
After both rebar mats are set and check concrete is pored.     
Continue to stacking
sections as need to meet the
required height.
Sections waiting to be set.
The base is
ready for the first segment.
Pump station
lower section is back filled.
Adding 180 º
segments one at a time.
This picture gives a closer look at the
segment. Structural cast iron rebar splices are used to
complete the field connection.
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