Visual Materials

Big Creek: Powerhouse No. 8 (part 2)

Description: 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.
Type: Visual Materials(Opens in new tab)
Date: 1920 - 1924
Call number: photCL SCE
Creator: Southern California Edison Company(Opens in new tab)

Big Creek - Powerhouse #8 (part 2)

Visual Materials

Big Creek - Powerhouse #8 (part 2) [Powerhouse #8 - Diversion, excavation for powerhouse, diversion tunnel construction, interior shots of PH #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 13 - vol 035

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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. 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. 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. 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. 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

Big Creek: Powerhouse No. 8 (part 2)

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Big Creek - Powerhouse #8 (part 2)

Big Creek: Powerhouse No. 3 (part 2)

Big Creek: Powerhouse No. 2 and 2a (part 3)

Big Creek: Powerhouse No. 8 (part 1)

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

Big Creek: Powerhouse No. 3 (part 1)