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Portal Powerhouse



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  • Portal Powerhouse

    Portal Powerhouse

    Visual Materials

    Portal Powerhouse - 12' diameter pipe installed to reduce pressure at portal during high flows. At time, the lower baffle was still there at outlet restricting end area.

    photCL SCE 02 - 43917

  • 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 - View showing timber backing for 14"welded plate diversion bulkhead in 12' diameter pipe.

    photCL SCE 02 - 43307

  • Portal Powerhouse - Water spout

    Portal Powerhouse - Water spout

    Visual Materials

    Portal Powerhouse - Water spout - temporary opening in 12' diameter pipe.

    photCL SCE 02 - 44599

  • Portal Powerhouse - Water spout

    Portal Powerhouse - Water spout

    Visual Materials

    Portal Powerhouse - Water spout - temporary opening in 12' diameter pipe.

    photCL SCE 02 - 44600

  • Portal Powerhouse - Progress picture

    Portal Powerhouse - Progress picture

    Visual Materials

    Portal Powerhouse - Progress picture - First day of outage. Section of 12' diameter outlet pipe cut out and extending skid rails into tunnel for pulling penstock.

    photCL SCE 02 - 44798