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Big Creek Powerhouse 2a



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  • Big Creek - Powerhouse #2 & 2a (part 3)

    Big Creek - Powerhouse #2 & 2a (part 3)

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    Big Creek - Powerhouse #2 & 2a (part 3) [Construction at Powerhouse 2A, manufacturing photos showing the fabrication of seamless steel pressure pipe [penstock] sections, forging hollow steel blocks into pipe, machining seamless steel pipe sections to proper thickness, pressure testing pipe sections, assembly of penstock sections and valves at PH 2A.]

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  • Big Creek PH #2A

    Big Creek PH #2A

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    Big Creek PH #2A - Section of penstock showing the "Y" pieces just in near the powerhouse.

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  • Powerhouse 2a

    Powerhouse 2a

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    Powerhouse 2a - Looking downstream at Powerhouse #2, showing the structural steel work of PH #2A.

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    Big Creek: Powerhouse No. 2 and 2a (part 3)

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    Photographs of Powerhouse 2 and 2A, Part Three. Construction at Powerhouse 2A, images depicting the fabrication of seamless steel pressure pipe [penstock] sections, forging hollow steel blocks into pipe, machining seamless steel pipe sections to proper thickness, pressure testing pipe sections, assembly of penstock sections and valves at Powerhouse 2A.

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  • Powerhouses 2&2A

    Powerhouses 2&2A

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    Powerhouses 2&2A - Switchyard excavation.

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  • Big Creek PH 2A

    Big Creek PH 2A

    Visual Materials

    Big Creek PH 2A - "Y" branch penstock section for Pelton leg.

    photCL SCE 02 - 22935