Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Forms for Generator Foundation. Concrete work to start July 3, 1956.
- Date
- 6/28/1956
- Call number
- photCL SCE 02 - 44606
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forms and steel in place for Generator Foundation.
photCL SCE 02 - 44607

Visual Materials
Portal Powerhouse - Forms being erected for substructure concrete at powerhouse.
photCL SCE 02 - 43624

Visual Materials
Portal Powerhouse - Forebay - Showing forms for concrete spillway crest.
photCL SCE 02 - 43765

Visual Materials
Big Creek Powerhouse #3 - Unit 4 - Forms for concrete foundation of generator.
photCL SCE 02 - 28293

Visual Materials
Portal Powerhouse - Forebay - Cleaning and trimming rock foundation for spillway crest concrete.
photCL SCE 02 - 43759

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