Visual Materials
Portal Powerhouse
1 of 2
- Description
- Portal Powerhouse - Select tunnel muck filter zone blanket downstream portion of dam maximum section.
- Date
- 7/28/1955
- Call number
- photCL SCE 02 - 43595
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - East portion of dam foundation showing contact between impervious zone, filter, & tunnel muck zone.
photCL SCE 02 - 43614
Visual Materials
Portal Powerhouse - Forebay - Loading tunnel muck for placement in dam downstream zone.
photCL SCE 02 - 43629
Visual Materials
Portal Powerhouse - Forebay - Borrow area 3, source of tunnel muck for downstream zone of dam.
photCL SCE 02 - 43611
Visual Materials
Portal Powerhouse - Looking downstream from above Ward Tunnel.
photCL SCE 02 - 43944
Visual Materials
Portal Powerhouse - Downstream thru spray chamber at approx. 1800 cfs flow thru Ward Tunnel.
photCL SCE 02 - 43921
Visual Materials
Portal Powerhouse - Forebay - Lower portion of float well and adjacent portion of communication pipe leading into inlet channel. Photo taken from floor of short section of tunnel in forebay inlet channel.
photCL SCE 02 - 44815