Visual Materials
Upstream Protection
- Description
- Upstream Protection - View of steel plate facing during grouting operation.
- Date
- 8/5/1955
- Call number
- photCL SCE 02 - 43538
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Huntington Lake Dams - Upstream protection - showing pressure exerted against anchor bolts during grouting operation by Prepack Corp.. Note deformation of washer.
photCL SCE 02 - 43537
Visual Materials
Big Creek, Huntington Lake Dams - Upstream protection - Steel facing being placed in test section at east end of Dam #1. Bottom of section at elvation 6930.
photCL SCE 02 - 43532
Visual Materials
Big Creek, Huntington Lake Dams - Upstream Protection - Placing first steel facing - Dam #2.
photCL SCE 02 - 43697
Visual Materials
Big Creek, Huntington Lake Dams - Upstream Protection - Drilling 6" outlet hole with Concore drill thru Dam #2, for under drain system in steel facing back.
photCL SCE 02 - 43696
Visual Materials
Upstream protection - Placing first 10 ga. facing sheets at east end of Dam #1.
photCL SCE 02 - 43329
Visual Materials
Upstream protection - View of marginal cut-off in concrete along east slope of Dam #1. Note 6' anchor rods grouted in cut-off to hold marginal channel.
photCL SCE 02 - 43566