OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Forebay - Excavating trench thru damp area in original ground downstream from relief hole R-24, for installation of perforated pipe drain.
Type: Visual Materials(Opens in new tab)
Date: 9/8/1955
Call number: photCL SCE 02 - 43701
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

You might also be interested in

Big Creek, Vermilion Dam
Visual Materials
Big Creek, Vermilion Dam - Installing 12" perforated drain [French drain] thru damp area near relief hole R-24. Note sand and gravel aroun pipe.
photCL SCE 02 - 43702
Portal Powerhouse
Visual Materials
Portal Powerhouse - Charging Skip-loader with concrete thru hole in top of 12' pipe, outside tunnel portal.
photCL SCE 02 - 43693
Portal Powerhouse - Portal Forebay
Visual Materials
Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
photCL SCE 02 - 43786
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Sluice pipe and encasement viewed from downstream.
photCL SCE 02 - 43613
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - View from downstream of sluice pipe foundation excavation.
photCL SCE 02 - 43588
Portal Powerhouse - Forebay
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