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Big Creek 2A - pipe, penstock, fabrication
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Big Creek 2A - pipe fabrication
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Big Creek 2A - pipe fabrication (3589-A) at Midvale Steel Co. in Pennsylvania. [machining high-tensile steel penstock to design thickness]
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Big Creek 2A - pipe fabrication
Visual Materials
Big Creek 2A - pipe fabrication (3651-A). Completed section of forged steel pipe with bolted flanged joints for Powerhouse 2A penstock. Largest sections were 66" inside diameter with 3" wall thickness, and 23 feet in length, weighing 27 tons. Picture taken in plant at Midvale Company.
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Big Creek 2A Pipe fabrication (3497-A)
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Big Creek 2A Pipe fabrication (3497-A). Rough forging of section of pipe for 2A penstock ready for machining.
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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: 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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Big Creek #2A - Penstock
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Big Creek #2A - Penstock - Small wye branch.
photCL SCE 02 - 26979