Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Welding wye bend and setting by-pass pipe.
- Date
- 9/16/1955
- Call number
- photCL SCE 02 - 43726
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Penstock and Wye ready for connection to by-pass pipe.
photCL SCE 02 - 43850

Visual Materials
Portal Powerhouse - 2nd of 3 flash pictures of completed wye-branch reinforcement; close-up of welding details at bottom of pipe columns.
photCL SCE 02 - 44847

Visual Materials
Portal Powerhouse - Last of 3 flash pictures of completed wye-branch reinforcement; close-up of welding details at bottom of pipe columns.
photCL SCE 02 - 44848

Visual Materials
Portal Powerhouse - Progress: Forming and placing reinforcing steel for by-pass bend anchor.
photCL SCE 02 - 43741

Visual Materials
Portal Powerhouse - 1st of 3 flashlight close-ups of completed wye-branch reinforcement looking downstream into branch pipes showing upstream pipe columns and rock deflector.
photCL SCE 02 - 44846

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