Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek Powerhouse #3 - Penstock #3 Spherical Manifolds assembled with 2 penstock branches connected to Butterfly Valve House.
photCL SCE 02 - 09427
Visual Materials
Big Creek Powerhouse #3 - Penstock #3 - Interior of the spherical manifolds [at the top of Penstock #3 - branches at right are blocked off for future installations.]
photCL SCE 02 - 09450
Visual Materials
Big Creek Powerhouse #3 - PH #3 spherical penstock manifolds.
photCL SCE 02 - 22969
Visual Materials
Big Creek Powerhouse #3 - Tunnel #3 outlet and manifolds.
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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 from top of valve house, showing connections provided for three units in addition to the three constructed in 1923, and branch penstocks connecting with valve house in foreground.
photCL SCE 02 - 12060
