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Big Creek, Vermilion Dam



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  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Forebay - Excavating trench thru damp area in original ground downstream from relief hole R-24, for installation of perforated pipe drain.

    photCL SCE 02 - 43701

  • Big Creek, Vermilion Dam

    Big Creek, Vermilion Dam

    Visual Materials

    Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Placing gravel over 8" [perforated] pipe.

    photCL SCE 02 - 44571

  • Big Creek, Vermilion Dam - Auxiliary Drain #2

    Big Creek, Vermilion Dam - Auxiliary Drain #2

    Visual Materials

    Big Creek, Vermilion Dam - Auxiliary Drain #2. - Drain pipe completely installed. Cobble and gravel filter around perforated section.

    photCL SCE 02 - 44580

  • Big Creek, Vermilion Dam

    Big Creek, Vermilion Dam

    Visual Materials

    Big Creek, Vermilion Dam - Section of perforated drain with lateral connection to relief hole R-16a.

    photCL SCE 02 - 44850

  • Big Creek, Vermilion Dam

    Big Creek, Vermilion Dam

    Visual Materials

    Big Creek, Vermilion Dam - View of trench excavation for pipe drain downstream from relief hole R-24. Compare with photo 43701 to show excess sloughing of slopes.

    photCL SCE 02 - 43704

  • Big Creek, Vermilion Dam

    Big Creek, Vermilion Dam

    Visual Materials

    Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Due to rapid sealing up of gravel & sand cover around 1st section of pipe.

    photCL SCE 02 - 44577