Visual Materials

Big Creek: Powerhouse No. 2 and 2a (part 1)

Description: Photographs of Powerhouse 2 and 2A, Part One. Construction photographs of Powerhouse 2 and 2A.
Type: Visual Materials(Opens in new tab)
Date: 1919 - 1929
Call number: photCL SCE
Creator: Southern California Edison Company(Opens in new tab)
Provenance: Gift of Edison International, December 2005.
Restrictions: Open for use by qualified researchers and by appointment. Please contact Reader Services at the Huntington Library for more information.
Rights: Copyright Southern California Edison. Certain uses require permission from Southern California Edison, contact reference@huntington.org for information.

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.

photCL SCE

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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.

photCL SCE

Big Creek - Powerhouse #2 & 2a (part 1)

Visual Materials

Big Creek - Powerhouse #2 & 2a (part 1) [Construction photos]

photCL SCE 13 - vol 029

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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 .

photCL SCE

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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.

photCL SCE

Big Creek: Powerhouse No. 2 and 2a (part 1)

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