Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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 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

Visual Materials
F.P.C. Vol 3, Projects 67 & 120 - Construction Big Creek Powerhouse 3 and construction camps. [Tunnel 3 - 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 carry sluicing water at outlet, surge chamber, Powerhouse 3 construction, installation of 3 penstocks, turbine and generator installations at PH #3, 220 kV switchyard.]
photCL SCE 13 - vol 009

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
Construction Big Creek Powerhouse 1 and 2 [Construction PH 2, & PH 1; Camp 2 Warehouse, meat storage and butchers; concrete mixers; Camps 3, 6, & 7; Adit 2, & 3; Cascada yards; transmission line construction; construction at Dams 1, 2, 3, & 4, flow-line, penstocks, surge shaft; incline railway; Tunnels 1, & 2; Huntington Lake.]
photCL SCE 13 - vol 003
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
Construction Big Creek Powerhouse 1 and 2 [Huntington Lake sawmill & logging; Camps 1a, 2, 6, & 7; Dams 1, 3, & 4; incline railways; penstocks; flow pipes; PH 1 & PH 2 (interiors & exteriors); Tunnel 1; incline railways.]
photCL SCE 13 - vol 005