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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis
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Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 4: 11. Excavation lower portion of spillway showing low portion between old and new cuts. 12. View of fill at Dam #2, showing backfill tamped and ready for rock. 13. Close-up of tamped fill at Dam #2. 14. Outlet of leak at Dam #1, Station 5+75 elevation 6890.
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Big Creek, Huntington Lake Dams - Dam #2
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Big Creek, Huntington Lake Dams - Dam #2 - Spielman at badly spalled section of upstream face.
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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Copy of Page 3 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 4. Dam #1 - Badly disintegrated and porous concrete in vertical joint near station 5+66, elevation 690-4, after partial removal. Part of old repair plug in lower left center. 5. Dam #1 - Area near station 5+66, elevation 6904. Chipping in progress. Note two holes from which air escaped when applied to 4" drain through downstream backfill. 6. Dam #1. A second view of leak intakes near station 5+66, elevation 6904'. 7. Dam #1. Area near station 5+66, elevation 6904' after guniting.
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Big Creek, Huntington Lake Dams - Copy of Page 4 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 8. Dam 1 - East end
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Big Creek, Huntington Lake Dams - Copy of Page 4 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 8. Dam 1 - East end - Grouting equipment in operation. 9. Dam 2 - Chipped out horizontal construction joint. This bad joint was found after removing old forms near station 13+23, elevation 6919.5' 10. Dam 2 - Chipped out vertical contraction crack near east end. 11. Dam 2 - Guniting chipped out areas.
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Big Creek, Huntington Lake Dams
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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.
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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Copy of Page 9 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 27. Looking south from station 0+75. Cutoff wall during excavation. 28. Looking north from station 0+60, during excavation. Note ends of timpers at bottom of battered face. 29. Close-up of concrete cut off wall, station 0+40. 30. Porous rock pockets in concrete, near station 1+00 31. Porous rock pockets in concrete cut off wall, near station 0+10 32. Chippin gand removing porous concrete. Looking south from station 0+50.
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