Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - View showing timber backing for 14"welded plate diversion bulkhead in 12' diameter pipe.
- Date
- 7/23/1955
- Call number
- photCL SCE 02 - 43307
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 - Upstream end 12' pipe - Diversion bulkhead in background.
photCL SCE 02 - 43282

Visual Materials
Portal Powerhouse - View of 8.5' diameter penstock pipe supports inside 12' diameter outlet pipe, Ward Tunnel.
photCL SCE 02 - 43560

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 - Applying Protex protective coating to first section of 8.5' diameter penstock pipe prior to pulling into 12' diameter pipe for second section make-up.
photCL SCE 02 - 43570

Visual Materials
Portal Powerhouse - Breaking up large boulders in pool at end of 12' diameter pipe.
photCL SCE 02 - 43325