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Portal Powerhouse



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  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Up tailrace channel from under bridge, during outage to install triangular restriction at end of branch of penstock.

    photCL SCE 02 - 43923

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - 400 cfs flow from side channel spillway entering tailrace from new diversion.

    photCL SCE 02 - 43961

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Record pictures of tailrace channel during outage: Upper end of channel and lower end of tunnel diversion channel used during 1955.

    photCL SCE 02 - 43798

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Attempt to show pattern of outlet, approx. 30% restriction during 1350 cfs flow.

    photCL SCE 02 - 43929

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..

    photCL SCE 02 - 43643

  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..

    photCL SCE 02 - 43644