Visual Materials
Big Creek, Vermilion Dam
- Description
- Big Creek, Vermilion Dam - Installing 12" perforated drain [French drain] thru damp area near relief hole R-24. Note sand and gravel aroun pipe.
- Date
- 9/14/1955
- Call number
- photCL SCE 02 - 43702
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Forebay - Excavating trench thru damp area in original ground downstream from relief hole R-24, for installation of perforated pipe drain.
photCL SCE 02 - 43701

Visual Materials
Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Placing gravel over 8" [perforated] pipe.
photCL SCE 02 - 44571

Visual Materials
Big Creek, Vermilion Dam - Auxiliary Drain #2. - Drain pipe completely installed. Cobble and gravel filter around perforated section.
photCL SCE 02 - 44580

Visual Materials
Big Creek, Vermilion Dam - Section of perforated drain with lateral connection to relief hole R-16a.
photCL SCE 02 - 44850

Visual Materials
Big Creek, Vermilion Dam - View of trench excavation for pipe drain downstream from relief hole R-24. Compare with photo 43701 to show excess sloughing of slopes.
photCL SCE 02 - 43704

Visual Materials
Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Due to rapid sealing up of gravel & sand cover around 1st section of pipe.
photCL SCE 02 - 44577