This continues our report from 4/5/2010 about the construction of a heat duct tunnel.
Long rebar extensions were left sticking straight up from the concrete walls. Some muscle and finesse is applied to bend the rebar just the right way.
The rebar is then covered with PVC pipe.
The succession of domed pipes will support a clear acrylic cover sheet.
[right photo] Looking down onto the heat duct tunnel site from the roof of the S.O.D. Soleri Office building, we see part of the crew right below the baby pool.
Here formwork is in process for another section of the west tunnel wall.
Concrete was poured and vibrated and finished from the top of the wall.
The next step is a roof section for the tunnel, just a step down from the pool deck.
Some of the heavy support beams for the roof formwork were installed.
This report continues on 4/9/2010.