Visual Materials

Big Creek: Powerhouse No. 1 (part 1)

Description: 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.
Type: Visual Materials(Opens in new tab)
Date: 1917 - 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. 1 (part 2)

Visual Materials

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.

photCL SCE

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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. 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. 8 (part 1)

Visual Materials

Powerhouse No. 8, Part One. Photographs of Dam 6, Camp 34, Camp 38, overview of Powerhouse 8 and penstock, milling Powerhouse 8 draft tube, operator's cottage, forebay, sluicing tailrace, generator floor, switchboard, rocks washed into tailrace after penstock burst, Unit No. 2 at Pelton Water Wheel Co., generator and governor at Powerhouse 8, penstock vent, transformers and bus, station power sets, switchboard, broken penstock, drilling tunnel No. 8, repaired penstock, steel forebay, Camp 32 cook house, Johnson Valve, Camp 33.

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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F.P.C. Vol. 3, Projects 67 and 120 - Construction of Big Creek Powerhouse 3 and construction camps

Visual Materials

Construction of Powerhouse 3 and construction camps 1 to 54. Views include Tunnel 3, including intake construction, portal adit Camp 36, Camp 35 adit, outlet portal; Penstock 3 portal structure and manifold, surge chamber, drill sharpeners, connecting 18' penstock to manifold, butterfly valve house, flume to railroad sluicing water at outlet; Tunnel 3 excavation; Surge chamber construction; Construction views of Powerhouse 3, installation of 3 penstocks, turbine and generator installations at No. 3; Construction of 220kV switchyard.

photCL SCE

Big Creek: Powerhouse No. 1 (part 1)

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Big Creek: Powerhouse No. 1 (part 2)

Big Creek: Powerhouse No. 3 (part 1)

Big Creek: Powerhouse No. 3 (part 2)

Big Creek: Powerhouse No. 8 (part 1)

Big Creek: Powerhouse No. 8 (part 2)

F.P.C. Vol. 3, Projects 67 and 120 - Construction of Big Creek Powerhouse 3 and construction camps