Visual Materials

Big Creek, Florence Lake Dam

Description: Big Creek, Florence Lake Dam - Close-up of gunite key at base of Arch #13, showing evidence of back leakage. Gunite key was covered with asbestile on November 25, 1942.
Type: Visual Materials(Opens in new tab)
Date: 12/19/1942
Call number: photCL SCE 02 - 24825
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Cutting bottom key at base of Arch 54 preparatory to 4" gunite coating to elevation 7235.
photCL SCE 02 - 24717
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Record photo of upstream face of Arches 11 to 25 inclusive in second tangent. Arch #13 covered with sheet steel membrane during June 1942 and Arch #12 covered with J-M Asbestile waterproofing during Nov. 1942.
photCL SCE 02 - 24863
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Typical chipping, Arch #50 (1942 Asbestile repairs).
photCL SCE 02 - 25576
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Typical blister formed under asbestile waterproofing on arch 12 side of gunite fillet in Arch 12-13 groin while subjecting Arch 13 to 3/4 lb. air pressure for testing leaks.
photCL SCE 02 - 24878
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Excavating trash and gunite rebound along base of Arch #52 prior to backfilling.
photCL SCE 02 - 24811
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Progress photo showing application of 1" reinforced gunite buffer coating along base of Arch #12.
photCL SCE 02 - 24875