Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Installation of I-beams.
- Date
- 8/11/1955
- Call number
- photCL SCE 02 - 43652
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Staging for inserting I-beams and penstock into pipe.
photCL SCE 02 - 43651
Visual Materials
Portal Powerhouse - Outer end of 12' pipe showing install of I-beams for supporting penstock.
photCL SCE 02 - 43650
Visual Materials
Portal Powerhouse - Installing backing I-beams (15") prior to forming for concrete. Strengthening to reduce vibration during high flows.
photCL SCE 02 - 43902
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 - 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