Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Florence Lake Dam - Extrados of Arch No. 52. Taken during guniting operations on this arch. Gunited to elevation 7235 and chipped to elevation 7296.
photCL SCE 02 - 24191
Visual Materials
Big Creek, Florence Lake Dam - Close-up of original surface of arch underneath gunite near crown of Arch #20. Original surface chipped free of Intertol. Concrete perfectly sound and dry. .
photCL SCE 02 - 24136
Visual Materials
Big Creek, Florence Lake Dam - Arch #52 after extrados inspection. Marked day's work joints had been chipped preparatory to guniting when this photo was taken.
photCL SCE 02 - 22870
Visual Materials
Big Creek, Florence Lake Dam - Close-up of original surface of arch underneath gunite near crown of Arch #20. Note black surface of original Intertol waterproofing. White area in center of Intertol surface chipped down to sound concrete. Disintegrated layer is approximately 1/4" in depth.
photCL SCE 02 - 24135
Visual Materials
Big Creek, Florence Lake Dam - Location of core holes on extrados of Arch 9
photCL SCE 02 - 22739
Visual Materials
Big Creek, Florence Lake Dam - Location of 4" core holes in extrados of Arch 7
photCL SCE 02 - 22736
