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Portal Powerhouse



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  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Placing concrete in supporting wall under end of 12' diameter pipe. Excavating old concrete anchor. [Forming new] foundation & Wye branch anchor.

    photCL SCE 02 - 43529

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Placing reinforcing steel for concrete disc, steel plate bulkhead.

    photCL SCE 02 - 43901

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Charging Skip-loader with concrete thru hole in top of 12' pipe, outside tunnel portal.

    photCL SCE 02 - 43693

  • Portal Powerhouse - Portal Forebay

    Portal Powerhouse - Portal Forebay

    Visual Materials

    Portal Powerhouse - Portal Forebay - North side of reservoir and blanketed moraine from top of dam near left abutment.

    photCL SCE 02 - 43784

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Progress picture showing placement of upstream impervious fill in sluice pipe area, to top of 24" sluice pipe concrete encasement.

    photCL SCE 02 - 43327

  • Big Creek Powerhouse #3 - Tunnel 3 Outlet

    Big Creek Powerhouse #3 - Tunnel 3 Outlet

    Visual Materials

    Big Creek Powerhouse #3 - Tunnel 3 Outlet - Placing concrete in retaining wall. Portion of Camp 37 visible at the top.

    photCL SCE 02 - 09200