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

Visual Materials
Portal Powerhouse - Forebay - Placing first fill in impervious section under location of sluice pipe. Note dozer pushing layer of saturated & disturbed surface material, exposing firm foundation, before fill placement.
photCL SCE 02 - 43315

Visual Materials
Portal Powerhouse - Forebay - Progress picture showing placement of upstream impervious fill in sluice pipe area, to top of 24" sluice pipe concrete encasement.
photCL SCE 02 - 43327

Visual Materials
Portal Powerhouse - Forebay - Completed concrete encasement around 24" diameter sluice pipe through rock fill downstream section.
photCL SCE 02 - 43536

Visual Materials
Portal Powerhouse - Forebay - Installing 6" dia. drain in foundation, sluice pipe area, prior to any fill. Note form for concrete cutoff around pipe. One of three installed.
photCL SCE 02 - 43323

Visual Materials
Portal Powerhouse - Forebay - Sluice pipe intake.
photCL SCE 02 - 43813

Visual Materials
Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
photCL SCE 02 - 43786