Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Image not available
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
Visual Materials
Big Creek - Powerhouse #3 (part 2) [Generator floor with Units 1, 2, & 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. Powerhouse #1 - penstock construction for Unit 3.]
photCL SCE 13 - vol 033
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
Visual Materials
Big Creek Powerhouse #3 - Unit 4 - Penstock construction - Butterfly valve near manifold.
photCL SCE 02 - 28277
Image not available
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
Visual Materials
Big Creek Powerhouse #3 - Penstock #3 Manifold Sphere #2 made up.
photCL SCE 02 - 09108