Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Huntington Lake Dams - Upstream protection excavating 12"x12" water cut-off along margin of steel plate membrane at east end of Dam #1.
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Visual Materials
Upstream protection - Progress picture at east end of Dam 1. 12"x12" water cutoff completed and 8" marginal channel anchored in place. Installing 8" half-round metal collector drain. Welded clips anchored to dam with Ramset anchors.
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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.
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Visual Materials
Big Creek, Huntington Lake Dams - Gunite protection of marginal cut-off of steel facing area.
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Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 11 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 38. General view of chipping and drilling operations. 39. Concreting trench in front of cut off wall. 40. Upstream face of Dam 3A looking north after completion of concreting and guniting. 41. Upstream face looking south after completion of concrete and gunite work.
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Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 9 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 27. Looking south from station 0+75. Cutoff wall during excavation. 28. Looking north from station 0+60, during excavation. Note ends of timpers at bottom of battered face. 29. Close-up of concrete cut off wall, station 0+40. 30. Porous rock pockets in concrete, near station 1+00 31. Porous rock pockets in concrete cut off wall, near station 0+10 32. Chippin gand removing porous concrete. Looking south from station 0+50.
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