Visual Materials

Big Creek Powerhouse No. 1, Maintenance

Description: Powerhouse 1 and penstocks, Dam 4 sluicing, switchrack, switchboards in Powerhouse 1, Unit 1 fire, bucket strain-gauge test, bucket molds, bucket repairs, lapping journals, coil replacements in stator, rebuilding Unit 4, removing rotor for repair, break in penstock at Powerhouse 1, debris and boulders that washed into the powerhouse after penstock break, and details of ripped penstock.
Type: Visual Materials(Opens in new tab)
Date: 1927 - 1951
Call number: photCL SCE
Creator: Southern California Edison Company(Opens in new tab)
Provenance: Gift of Edison International, December 2005.

Big Creek - Powerhouse #1 maintenance

Visual Materials

Big Creek - Powerhouse #1 maintenance [Powerhouse 1 & penstocks, Dam 4 sluicing, switch-rack, switchboards in PH1, Unit 1 fire, bucket strain-gauge test, bucket molds, bucket repairs, lapping journals, coil replacements in stator, rebuilding Unit 4, removing rotor for repair, break in penstock at PH1, debris and boulders that washed into the powerhouse after penstock break, and details of ripped penstock.

photCL SCE 13 - vol 043

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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

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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. 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. 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

Big Creek Powerhouse No. 1, Maintenance

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