Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Placing concrete top left of center of powerhouse wall.
- Date
- 9/16/1955
- Call number
- photCL SCE 02 - 43727
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Placing concrete in supporting wall under end of 12' diameter pipe. Excavating old concrete anchor. [Forming new] foundation & Wye branch anchor.
photCL SCE 02 - 43529
Visual Materials
Portal Powerhouse - Placing reinforcing steel for concrete disc, steel plate bulkhead.
photCL SCE 02 - 43901
Visual Materials
Portal Powerhouse - Charging Skip-loader with concrete thru hole in top of 12' pipe, outside tunnel portal.
photCL SCE 02 - 43693
Visual Materials
Portal Powerhouse - Portal Forebay - North side of reservoir and blanketed moraine from top of dam near left abutment.
photCL SCE 02 - 43784
Visual Materials
Portal Powerhouse - Forebay - Progress picture showing placement of upstream impervious fill in sluice pipe area, to top of 24" sluice pipe concrete encasement.
photCL SCE 02 - 43327
Visual Materials
Big Creek Powerhouse #3 - Tunnel 3 Outlet - Placing concrete in retaining wall. Portion of Camp 37 visible at the top.
photCL SCE 02 - 09200