Visual Materials

Big Creek: Powerhouse No. 1 (part 2)

Description: Photographs of Powerhouse No. 1, Part Two. Photographs of drying transformers, 220kV bushings, damaged coils, new 220kV nameplates, Klydontograph, 66kV - 30kV construction substation, new 220kV autotransformer installations, hoisting transformers, 220 kV Towers, Substation, ruptured penstock, 4th Unit penstock installation, incline concrete batch cars, tunnel for Unit 4 penstock, 3rd Unit penstock installation, 4th unit flowline, incline hoist.
Type: Visual Materials(Opens in new tab)
Date: 1920 - 1926
Call number: photCL SCE
Creator: Southern California Edison Company(Opens in new tab)
Provenance: Gift of Edison International, December 2005.

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

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

Visual Materials

Big Creek - Powerhouse #2 & 2a (part 2) [Powerhouse 2 & 2A - auto transformers, substation, new 6.6kV line, new bridge for powerhouse extension, Unit #4 with direct connected exciter, constructing new Unit #4, 150kV - 220kV Bushings, switchboard, installation of new Unit #4 penstock, concrete plant, incline batch cars, stand pipes, Unit #3 foundation, Unit #3 penstock install, valve house modification, rock crushing plant, Johnson Valve, assembly of new Unit #3, auto circuit breakers, 150kV Oil Switch, new hoist, auto-transformers, and 11kV equipment, new Bus Bar installation, Governor #4; Camp #7 - telephone exchange, cottage, machine shop, warehouse, mess hall construction, sawmill; Camp #5 - forebay construction, batch plant, steam shovel excavating.]

photCL SCE 13 - vol 030

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Big Creek: Powerhouse No. 3 (part 1)

Visual Materials

Photographs of Powerhouse No. 3, Part 1. Construction photographs of first forms up on powerhouse, staging and concrete plant, Switching Station, powerhouse steel framework, generator floor, draft tube construction, incline, views from above, penstock construction, Tunnel 3, CO2 equipment on Unit 3, Penstock binding, dispatcher's building, manifold assembly, oil circuit breakers, transformers, Dam 6 spilling, completed Powerhouse 3.

photCL SCE

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Big Creek: Powerhouse No. 8 (part 2)

Visual Materials

Powerhouse No. 8, Part Two. Photographs of Powerhouse 8 diversion, excavation for powerhouse, diversion tunnel construction, interior shots of Powerhouse No. 8 (transformers, control room, turbine-generator assembly, station power, Johnson Valve, turbine runner, crane assembly, scroll case assembly, draft tube); Penstock rupture - ripped Penstock, flattened pipe, damage to powerhouse and other facilities, reshaping pipe, adding reinforcing bands to high stress sections of penstock; Camp 33, operator dormitory, substation, incline construction.

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

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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 No. 1 (part 2)

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