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Big Creek, Huntington Lake Dams - Excavation under 12' pipe to place rock protection

Description
Big Creek, Huntington Lake Dams - Excavation under 12' pipe to place rock protection - Diversion Channel
Type
Visual Materials(Opens in new tab)
Date
7/6/1955
Call number
photCL SCE 02 - 43274
Find out more
View in the Huntington Digital Library(Opens in new tab)
View in the Library catalog(Opens in new tab)

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  • Big Creek, Huntington Lake Dams

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    Big Creek, Huntington Lake Dams - Hand placeing rock protection under 12' pipe at point of diversion.

    photCL SCE 02 - 43275

  • Big Creek, Huntington Lake Dams

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    Big Creek, Huntington Lake Dams - Placing rock lining in diversion channel, 12' pipe to Rancheria Creek.

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    Big Creek, Huntington Lake Dams - Upstream protection closer view of marginal channel at east end of Dam #1, showing anchored in place in 12"x12" cut-off in concrete.

    photCL SCE 02 - 43320

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    Big Creek, Huntington Lake Dams - Upstream Protection - Tailrace channel upstream from Highway Bridge.

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  • Big Creek, Huntington Lake Dams - Portal Forebay

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    Big Creek, Huntington Lake Dams - Copy of Page 12 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 42. Drilling 30' grout holes. 43. Grouting 30'grout holes. Blow pipe in hole in foreground. 44. View of grouting connections. One hole being grouted, another under air pressure after final refusal. 45. Old core drill hole 12 in front of Dam 3A, through which water tests were made. Note broken condition of rock typical in vicinity of this dam. 46. View of upstream face of Dam 3A after backfill has been replaced.

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