Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Installing temporary 3/8" plate bulkhead at end of turbine branch of penstock inside structure.
- Date
- 10/15/1955
- Call number
- photCL SCE 02 - 43777
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Temporary backing to reduce vibration in 3/8" plate bulkhead in turbine Wye branch inadequate; it was replaced with concrete disc back by I-beams.
photCL SCE 02 - 43898
Visual Materials
Portal Powerhouse - Butterfly valve attached to turbine nozzle - Penstock bulkhead still in place.
photCL SCE 02 - 44608
Visual Materials
Portal Powerhouse - Gravel accumulated during spring and summer diversion at lower end of Turbine Wye Branch of Penstock. Estimated amount approx. 2 cu. yards with gravel arranging from 3' to 4" in size.
photCL SCE 02 - 44805
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43654
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43655
Visual Materials
Portal Powerhouse - Up tailrace channel from under bridge, during outage to install triangular restriction at end of branch of penstock.
photCL SCE 02 - 43923