Visual Materials
Big Creek: Powerhouse No. 2 and 2a (part 1)
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Big Creek: Powerhouse No. 2 and 2a (part 3)
Visual Materials
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.
photCL SCE
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Big Creek: Powerhouse No. 2 and 2a (part 2)
Visual Materials
Photographs of Powerhouse 2 and 2A, Part Two. Views of auto transformers, substation, new 6600 V line, new bridge for powerhouse extension, Unit No. 4 with direct connected exciter, constructing new Unit No. 4, 150kV - 220kV Bushings, switchboard, installation of new Unit No. 4 penstock, concrete plant, incline batch cars, stand pipes, Unit No. 3 foundation, Unit No. 3 penstock install, valve house modification, rock crushing plant, Johnson Valve, assembly of new Unit No. 3, auto circuit breakers, 150kV Oil Switch, new hoist, autotransformers, and 11kV equipment, new Bus Bar installation, Governor No. 4; Camp No. 7 - telephone exchange, cottage, machine shop, warehouse, mess hall construction, sawmill; Camp No. 5 - forebay construction, batch plant, steam shovel excavating.
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Big Creek Powerhouse No. 2 and 2A, Maintenance
Visual Materials
Exterior shots of Powerhouse No. 2, full shot of Powerhouse 2 and 2A, generator floor in Powerhouse 2, Unit 6 bucket failure (Powerhouse 2) with close-ups of damage, damage to overhead crane from flying No. 10 bucket, Powerhouse 2-2A switch rack, Dam 5 intake trash rack cleaner, water rheostat test, transporting 220kV transformers, gate house, penstock "Y"s, rotor installation, Powerhouse 2.
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Big Creek - Powerhouse #2 & 2a (part 1)
Visual Materials
Big Creek - Powerhouse #2 & 2a (part 1) [Construction photos]
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Big Creek: Powerhouse No. 3 (part 2)
Visual Materials
Photographs of Powerhouse No. 3, Part 2. Views of generator floor with Units 1, 2, and 3 installed, excavation of Powerhouse 3 site with steam shovel and high pressure water gun, Switchyard construction, turbine parts, battery room, construction of penstocks, turbine assembly. Also penstock construction for Unit 3, Powerhouse No. 1 .
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Big Creek: Powerhouse No. 1 (part 1)
Visual Materials
Photographs of Powerhouse No. 1, Part One. Views include generator floor, exterior with extension, close-up of Powerhouse 1, generator repairs, Unit 3 penstock construction, riveting penstock, transformer rack, substation, exterior before extension, extension construction, hoist house interior, assembly of Units 3 and 4, change to 220 kV transformers.
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