Big Creek, Florence Lake Dam - Looking up-stream Arches 52 & 53

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  Big Creek, Florence Lake Dam

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  Big Creek, Florence Lake Dam - Hand tamping earth backfill in haunch between Arches 52 & 53 with Thor-Cochise spader.

  photCL SCE 02 - 24812

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  Big Creek, Florence Lake Dam - Guniting Arch #53

  Visual Materials

  Big Creek, Florence Lake Dam - Guniting Arch #53 - close-up.

  photCL SCE 02 - 23353

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  Big Creek, Florence Lake Dam

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  Big Creek, Florence Lake Dam - View of river section looking N (downstream) from approximately the upstream face of Arch 53, showing heavy reinforcing at junction of Buttresses 53 & 54, with arches 52, 53, & 54 (highest portion of dam), interados form trusses and studding for lower lifts on Arch 54, and counterweighted placing chutes in position for concreting a lift in Buttress 54.

  photCL SCE 02 - 12707

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  Big Creek, Florence Lake Dam

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  Big Creek, Florence Lake Dam - Closer view, looking west across river section from near Buttress 56. (Excavation for Arches 50, 51, & 52 shown ready for forms. Placing of lift in Buttress 55 has just been completed. Chutes shown in position for placing in Buttress 53.

  photCL SCE 02 - 12730

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  Big Creek, Florence Lake Dam

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  Big Creek, Florence Lake Dam - Close-up of river section, Arches 53 & 55 shown badly scuffed.

  photCL SCE 02 - 44350

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  Big Creek, Florence Lake Dam

  Visual Materials

  Big Creek, Florence Lake Dam - Arches 52 & 53 after completion of work. Arch 52 completely gunited. Arch 53, above elev. 7296 covered with Barrett Waterworks enamel and below with two coats of raw linseed oil and one coat of aluminum paint. The Barrett enamel was applied in Dec. 1941.

  photCL SCE 02 - 24735