CSPAN3 American History TV August 30, 2014
They removed temporary slabs over the relief valve outlets. Liners assembled in these opens were set in concrete. The turbine scroll case sections were lowered into the pit. Sections were levelled, bolted together and aligned. The completed scroll case was then anchored in concrete. Later the turbines water wheel attached to the bottom end of the shaft was installed inside the case. The butterfly valve was assem e assembled on the generator floor and later connected between the feeder pin stock and the turbine scroll case. Meanwhile the generators two main parts took form. Steel lamination pla...