Visual Materials
Dam #1
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Big Creek, Huntington Lake Dams
Visual Materials
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.
photCL SCE 02 - 21846

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
Visual Materials
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.
photCL SCE 02 - 21847

Big Creek, Huntington Lake Dams - Dam 1 Upstream face
Visual Materials
Big Creek, Huntington Lake Dams - Dam 1 Upstream face - Approx. stationing 10+60 to 11+10. Applying steel reinforcing to chipped area near west end prior to guniting.
photCL SCE 02 - 22492

Big Creek, Huntington Lake Dams - Dam 1 Upstream face
Visual Materials
Big Creek, Huntington Lake Dams - Dam 1 Upstream face - Approx. stationing 11+00 to 11+50. Applying steel reinforcing to chipped area near west end prior to guniting.
photCL SCE 02 - 22493

Big Creek, Huntington Lake Dams - Dam 1 Upstream face
Visual Materials
Big Creek, Huntington Lake Dams - Dam 1 Upstream face - Close-up of guniting at water line. Lake elevation 6847
photCL SCE 02 - 22500

Big Creek, Huntington Lake Dams
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 7 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 19. Dam 2, station 10+75, view of face at reference station for vertical profile. Note drill holes for determining depth of disintegration. 20. Dam 2. Seam & spalled concrete near station 13+75, elev. 6902' 21. Spalled area at Dam 2 looking east from about station 12+00; reservoir at elevation 6899'. 22. Dam 2, looking east from 14+50. Excavation in foregroundis at about elevation 6901'.
photCL SCE 02 - 21850