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Portal Powerhouse - Forebay - Progress picture



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  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Progress picture forebay dam. View from right abutment looking toward left abutment.

    photCL SCE 02 - 43333

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - View from left abutment showing completed foundation preparation under a portion of rock fill section. Shovel and Dozer excavating in upstream cutoff.

    photCL SCE 02 - 43304

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - View from station 5+00, looking toward left abutment, showing outcroppings of ledge rock while excavating for upstream cutoff under impervious section.

    photCL SCE 02 - 43311

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Forebay - Foundation excavation in vicinity of sluice pipe. Picture covers from axis to upstream toe. Dragline excavating for impervious cut-off upstream from toe to lessen seepage.

    photCL SCE 02 - 43310

  • Portal forebay

    Portal forebay

    Visual Materials

    Portal forebay - View upstream from left abutment of dam showing clearing in progress in reservoirs area.

    photCL SCE 02 - 43295

  • 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