OPEN TODAY: 10 A.M.–5 P.M.

Tickets

Visual Materials

Portal Powerhouse - Forebay

Description
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.
Type
Visual Materials(Opens in new tab)
Date
7/25/1955
Call number
photCL SCE 02 - 43315
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 - 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 earthfill upstream from sluice pipe.

    photCL SCE 02 - 43596

  • 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 - Impervious fill upstream and start of rock fill in sluicepipe area of forebay dam.

    photCL SCE 02 - 43322

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Placing impervious blanket on morane slope upstream from right abutment.

    photCL SCE 02 - 43534

  • Portal Powerhouse - Forebay

    Portal Powerhouse - Forebay

    Visual Materials

    Portal Powerhouse - Forebay - Sluice pipe intake.

    photCL SCE 02 - 43813