Visual Materials
Portal Powerhouse
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Portal Powerhouse
Visual Materials
Portal Powerhouse - View of 8.5' diameter penstock pipe supports inside 12' diameter outlet pipe, Ward Tunnel.
photCL SCE 02 - 43560

Portal Powerhouse
Visual Materials
Portal Powerhouse - Installing backing I-beams (15") prior to forming for concrete. Strengthening to reduce vibration during high flows.
photCL SCE 02 - 43902

Portal Powerhouse
Visual Materials
Portal Powerhouse - Side spillway cut to relieve excessive back pressure during high flow. Final baffle now in place at end of penstock.
photCL SCE 02 - 43928

Portal Powerhouse
Visual Materials
Portal Powerhouse - installation of final design of restrictive baffle at end of by-pass pipe.
photCL SCE 02 - 43927

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

Portal Powerhouse
Visual Materials
Portal Powerhouse - Breaking up large boulders in pool at end of 12' diameter pipe.
photCL SCE 02 - 43325