Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Florence Lake Dam - Close-up of a cluster of blisters on the J-M Asbestile waterproofing on Arch 8. Waterproofing was applied May 1940.
photCL SCE 02 - 24747
Visual Materials
Big Creek, Florence Lake Dam - Day's Work Joint Repair April 1940. Extensive chipping necessary on Arch #40. Joint elevation 7296, centerline to 12' left in order to remove disintegrated concrete. Average depth of chipping 3.5 to 4 inches.
photCL SCE 02 - 22873
Visual Materials
Big Creek, Florence Lake Dam - View of downstream side Arch 52, lake elevation 7261.90 after completion of guniting. General dampness along 7252 joint running down two to three lifts in places. General dampness along 7240 lift and below. 7244, 7248, 7256, and 7260 lifts appear to be dry.
photCL SCE 02 - 24738
Visual Materials
Big Creek, Florence Lake Dam - Close-up of open joint on Arch 9 at elevation 7296 from intrados side of Arch. Section of seam shown is from approximately centerline to 15' east..
photCL SCE 02 - 22177
Visual Materials
Big Creek, Florence Lake Dam - Method of waterproofing day's work joints on Arch 52, before guniting. 6" strips of asphalt impregnated felt was tacked to the arch between two applications of asbestile waterproofing.
photCL SCE 02 - 24724
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 3 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 4. Dam #1 - Badly disintegrated and porous concrete in vertical joint near station 5+66, elevation 690-4, after partial removal. Part of old repair plug in lower left center. 5. Dam #1 - Area near station 5+66, elevation 6904. Chipping in progress. Note two holes from which air escaped when applied to 4" drain through downstream backfill. 6. Dam #1. A second view of leak intakes near station 5+66, elevation 6904'. 7. Dam #1. Area near station 5+66, elevation 6904' after guniting.
photCL SCE 02 - 21846
