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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 5 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 12. Face of Dam 2 after guniting chipped out cracks east from station 14+00. Note frost protection. 13. Core drilling at west end of Dam 2. 14. Cleaning grout holes east end of Dam 2. Water and air introduced uder pressure through pipe inserted in hole 20 is blowing out of hole 18.
photCL SCE 02 - 21848
Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Dam #3A Old core drill hole 12 in front of dam.
photCL SCE 02 - 23627
Big Creek, Huntington Lake Dams - West end Dam #2
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Big Creek, Huntington Lake Dams - West end Dam #2 - Grouting core drill hole.
photCL SCE 02 - 23641
Big Creek, Huntington Lake Dams
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 8 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 23. Dam 3. Typical chipped out vertical contraction crack before guniting. 24. Dam 3. Chipped out vertical & horizontal cracks near north end. 25. Dam 3A. Excavation at upstream face and water test of old drill hole 12 in progress. 26. Dam 3A. Looking south from station 0+25. Upstream cut off wall during excavation.
photCL SCE 02 - 21851
Big Creek, Huntington Lake Dams - Upstream Protection
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Big Creek, Huntington Lake Dams - Upstream Protection - Drilling 6" outlet hole with Concore drill thru Dam #2, for under drain system in steel facing back.
photCL SCE 02 - 43696
Big Creek, Huntington Lake Dams
Visual Materials
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.
photCL SCE 02 - 21855