Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Constructing bulkhead in 12' pipe for diversion.
photCL SCE 02 - 43280

Visual Materials
Portal Powerhouse - View showing timber backing for 14"welded plate diversion bulkhead in 12' diameter pipe.
photCL SCE 02 - 43307

Visual Materials
Portal Powerhouse - Opening in 12' pipe [near end of Ward Tunnel] for diversion.
photCL SCE 02 - 43281

Visual Materials
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe - approx. 1700 cfs flow in Ward Tunnel
photCL SCE 02 - 44563

Visual Materials
Portal Powerhouse - View from top of 12' pipe - First Diversion 250 cfs - 8:25 a.m..
photCL SCE 02 - 43286

Visual Materials
Portal Powerhouse - View showing leakage through tunnel dump fill from diversion ditch during 490 c.f.s. flow, spilling into pool at end of 12' pipe.
photCL SCE 02 - 43298