Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek - Break in pressure main at 5am (8/20/1921) [Huge section of the 1.12 inch thick steel penstock ripped like cardboard.]
photCL SCE 02 - 07182
Visual Materials
Big Creek - Break in pressure main - Upper end of penstock 8 collapsed [due to the sudden release of water when the penstock failed at the Powerhouse]
photCL SCE 02 - 07183
Visual Materials
Big Creek - Break in pressure main - Upper end of penstock 8 collapsed [due to the sudden release of water when the penstock failed at the Powerhouse]
photCL SCE 02 - 07184
Image not available
Visual Materials
Powerhouse 1 and penstocks, Dam 4 sluicing, switchrack, switchboards in Powerhouse 1, Unit 1 fire, bucket strain-gauge test, bucket molds, bucket repairs, lapping journals, coil replacements in stator, rebuilding Unit 4, removing rotor for repair, break in penstock at Powerhouse 1, debris and boulders that washed into the powerhouse after penstock break, and details of ripped penstock.
photCL SCE
Visual Materials
Big Creek - Powerhouse 8 - Break in pressure main. Damage to transformer
photCL SCE 02 - 07188
Visual Materials
Big Creek - Powerhouse 8 - Break in pressure main. Damage to transformer
photCL SCE 02 - 07189
