Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Scraper placing earth in dike.
photCL SCE 02 - 43618
Visual Materials
Portal Powerhouse - Forebay - Progress picture placing fill in dike embankment.
photCL SCE 02 - 43550
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 - Placing earthfill upstream from sluice pipe.
photCL SCE 02 - 43596
Visual Materials
Portal Powerhouse - Forebay - Drilling & placing powder for spillway excavation.
photCL SCE 02 - 43616
Visual Materials
Portal Powerhouse - Forebay - Placing impervious blanket on morane slope upstream from right abutment.
photCL SCE 02 - 43534
