Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Lower end of new diversion after first flow of 400 cfs, during outage to install restriction.
- Date
- 11/19/1955
- Call number
- photCL SCE 02 - 43926
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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
Visual Materials
Portal Powerhouse - 400 cfs flow from side channel spillway entering tailrace from new diversion.
photCL SCE 02 - 43961
Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: Upper end of channel and lower end of tunnel diversion channel used during 1955.
photCL SCE 02 - 43798
Visual Materials
Portal Powerhouse - Attempt to show pattern of outlet, approx. 30% restriction during 1350 cfs flow.
photCL SCE 02 - 43929
Visual Materials
Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
photCL SCE 02 - 43643
Visual Materials
Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
photCL SCE 02 - 43644