Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek - Powerhouse #2 & 2a (part 3) [Construction at Powerhouse 2A, manufacturing photos showing 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 PH 2A.]
photCL SCE 13 - vol 031
Visual Materials
Big Creek Powerhouse #2 - Tunnel #2 Lower Portal. - Showing also hoist line trestle over S. J. & E. R. R..
photCL SCE 03 - 00377
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
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
Image not available
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
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Dam 7 construction - showing lower portal of bypass tunnel.
photCL SCE 02 - 42475
