OPEN TODAY: 10 A.M.–5 P.M.

Tickets

Visual Materials

Portal Powerhouse - Forebay

Description
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.
Type
Visual Materials(Opens in new tab)
Date
7/27/1955
Call number
photCL SCE 02 - 43323
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

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    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

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Completed concrete encasement around 24" diameter sluice pipe through rock fill downstream section.

    photCL SCE 02 - 43536

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - First rock fill in sluice pipe area. Note silty surface mud being pushed immediately ahead of placement rock.

    photCL SCE 02 - 43324

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    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

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Sluice pipe intake.

    photCL SCE 02 - 43813

  • Portal Powerhouse - Portal Forebay

    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