ae58306e9763897d04a9d5bd0d551757.ppt
- Количество слайдов: 55
Built 1946 -56 New license studies & application 1991 -95 Watershed analysis 1996 -98 Settlement Agreement 2001 RCC forms to implement SA New License issued 2003 (Nov 13) New License FINAL 2005 (Oct 18) 35 year term
Resource Coordination Committee n n n Monthly meetings / calls Annual Reports to FERC BLM, NMFS, ODFW, ODEQ, OWRD, Pacifi. Corp, USFS, USFWS
Flowpaths, flow regulation reservoir
SA 5 and 6: Flow and Ramping n n Higher minimum flows in all bypass reaches Reduced ramping (flow fluctuations caused by power generation) in all bypass reaches and Lemolo Lake
Gaging network for flow and ramping compliance Pacifi. Corp’s continuous-recording, compliance-related gages on the NUHP
SA 5. 5 Flow and Ramping Monitoring Gage stations, continuous records, realtime public access to 10 streamgages
SA 5 Flow Monitoring Plan 2004; 2007 SA 5 instream flow increases, 2005 Soda Springs North Umpqua Clearwater River Fish Creek 25 5 10 -20 275 50 -80 40 -60 50 -80 (11 x) (2 -3 x) (8 -12 x) (2 -8 x) SA 5 instream flow increases, 2006 Deer Creek 1 all flow Potter Creek 0 all flow White Mule Cr 0 all flow Plus 5 smaller diversions all removed
Fish Creek forebay, October 14, 2007
Flow increase and stability in rivers (Toketee bypass example)
some ramping challenges persist Create presentation-quality graph Parameter 00060; DD 02
SA 6+ Lemolo 2 tailrace Re-route 2007: more impact review, conceptual design 2008: exploratory boring, design
SA 6. 9 Slide Cr PH emergency ramping evaluation n 2006: n n n Study plan Field study Historical analysis Report (Hardin Davis) 2007: n Complete consultation
SA 4. 3 Lemolo 2 fish ladder evaluation (post-modification) 2006: hydraulic 2007: biological
SA 7. 2 Gravel Augmentation Program • Gravel pulse experiment completed 2006 -7 • Revise Implementation and Monitoring Plans
SA 7. 3 LWD passage at Slide and Soda Springs Log chute open Whole log staged
SA 8. 2 Slide Creek Bypass Reach Habitat Project Adaptive Design and Construction 2002 -5 Monitoring: began in 2006 2007: report from TWG to RCC, FERC Repeat in 2011 for final report
SA 8. 3 Mainstem Spawning Habitat
Habitat construction, 2004
Soda Springs Spawning Habitat Project Annual Monitoring Periodic Maintenance Annual Reports created 15, 000 sqft new spawning habitat for chinook salmon (enough for about 300 redds)
SA 9 Lemolo Lake Management Plan Annual drawdown predictions and planning 2006 -7: BGA advisories 2007: TWG formed to address BGA issues
Lemolo Lake Sampling August 2007
Terrestrial Resources n Aquatic Connectivity Re-establishing diverted tributary creeks n Aquatic site reconnections across waterways n n Wetland Enhancement/creation of 8 wetland sites n Stump Lake and Lemolo Lake completed n n Terrestrial Connectivity Big game bridges n Wildlife crossings n Penstock crossings n
Clearwater Reconnection Potter Creek
Culvert replacements for fish passage Fish Creek Canal Road, Cedar Spring and Velvet Cr
Stump Lake Wetland
Terrestrial Connectivity n n n Big game bridges n 29 required n 29 complete Wildlife crossings n 34 required n 9 complete in 2007 n All complete in 2008 Penstock crossings n 9 required n 9 complete
SA 19 Soda Springs Predator Study Pilot field work 2004 -2006
2007 Major Predator Study April-June • Field work completed • Report in progress at Stillwater Sciences
Long-term monitoring of anadromous fish populations and passage success ~ 35 -year program ~
Smolt trapping (March - October) Spawner surveys (September - May)
SA 4: Fish Passage Facilities (design, plan, build, evaluate) n n n Soda Springs tailrace barrier (2003 -7) Lemolo 2 ladder modifications (2004 -7) Clearwater Reconnect (2004 -8) Fish Creek screen (2006 -9) Soda Springs ladder/screen/spill (2007 -12) Slide Creek tailrace barrier (2009 -11)
New Facility Life Stages n n n n Conceptual Design (1 -2 years) n Objectives, footprint, location Final Design, O+M and Evaluation Plans (1 -2 years) n 30%, 60%, 90% reviews, final approval Additional approvals / permitting (2 -6 mo) n FERC approval n DSL / ACOE fill-removal permits, WQ certification n USFS Authorization Construction plans / bids (2 -6 mo) n How to build it? Modify permits? Build – inspect and monitor construction Evaluate, Improve, Complete Transition into routine operation
SA 4. 1 Soda Springs Tailrace barrier concept
Tailrace barrier construction June-October 2007
Tailrace barrier nearing completion, coffer dam removal (October 2007)
Completed Tailrace Barrier (Nov 2007)
Transition into routine operation Operating hoist to clean leaves and debris from tailrace barrier pickets
Fish Creek Diversion Dam Diversion of Fish Creek to settling basin Fish Creek Flow Fish ladder
SA 4. 2 Fish Creek fish screen
Fish Creek Screen 2007 Concrete structures and bypass pipe completed Finish as weather permits in 2008, evaluate in 2009
4. 1 – 4. 2 Soda Springs Fish Passage
Exploratory Boring for Soda Springs fish screen and fish ladder May – June 2007
Dueling drill rigs May 2007
Fish Passage Conceptual Design, 2007
2007 overall n “Special Projects” Completed: n n n n 4. 1 SDS tailrace barrier 4. 1 -2 SDS fish passage conceptual designs 4. 3 Lemolo 2 fishway evaluation 4. 3 Fish Creek screen design, permits, mostly built 5. 4 Insteam flows – Fish Creek shutdown study 5. 5 FMP revision, WY 04 and 05 annual reports 6 Lemolo 2 reroute concept 6. 9 Slide Cr Powerhouse emergency ramping evaluation 8. 2 first monitoring report 14. 2 Fish Cr CSD mostly built 15. 6 two culvert replacements for fish passage 19. 1 LWD habitat enhancement on EFRC S-J lands 19. 2 first LTM annual report; predator study (? )
Ambitious Schedule!
ae58306e9763897d04a9d5bd0d551757.ppt