Here is the first layer of rebar for the floor.
floor rebar 1
Rebar continues up the walls to connect the walls to the floor. The white pipes are ventilation ducts.
floor rebar 2
Here the floor is ready for concrete with two layers of rebar, ducts and electrical conduits
floor rebar 3
A concrete pump was used to place the 120 tons of concrete required for the 12" thick floor. It was all placed in one day.
concrete pump
The first dome is placed, six more to go!
floor concrete
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