Visual Materials
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Huntington Lake Dams - Hand placeing rock protection under 12' pipe at point of diversion.
photCL SCE 02 - 43275
Visual Materials
Big Creek, Huntington Lake Dams - Placing rock lining in diversion channel, 12' pipe to Rancheria Creek.
photCL SCE 02 - 43276
Visual Materials
Big Creek, Huntington Lake Dams - Upstream protection closer view of marginal channel at east end of Dam #1, showing anchored in place in 12"x12" cut-off in concrete.
photCL SCE 02 - 43320
Visual Materials
Big Creek, Huntington Lake Dams - Upstream Protection - Tailrace channel upstream from Highway Bridge.
photCL SCE 02 - 43710
Visual Materials
Big Creek, Huntington Lake Dams - Portal Forebay - Progress in intake channel. Drilling for rock excavation approx. 5' above grade.
photCL SCE 02 - 43732
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 12 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 42. Drilling 30' grout holes. 43. Grouting 30'grout holes. Blow pipe in hole in foreground. 44. View of grouting connections. One hole being grouted, another under air pressure after final refusal. 45. Old core drill hole 12 in front of Dam 3A, through which water tests were made. Note broken condition of rock typical in vicinity of this dam. 46. View of upstream face of Dam 3A after backfill has been replaced.
photCL SCE 02 - 21855
