wanapum dam spillway pier 4 - crohms >...
TRANSCRIPT
![Page 1: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/1.jpg)
Wanapum Dam Spillway Monolith 4 & Interim Fish Passage Operation Plan
TMT April 2, 2014
![Page 2: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/2.jpg)
2
![Page 3: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/3.jpg)
3
![Page 4: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/4.jpg)
Wanapum Dam
Spillway pier cross-sectionThe fracture was found below the water level on the forebay side of the dam.
![Page 5: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/5.jpg)
Goals and Objectives • Dam operations
– Stabilize monolith 4
– Investigate root cause
– Intermediate pool raise
– Full restoration of pool and spillway
• Natural resources – Requirements of FERC License Order
– Fish Passage
– Hanford Reach Fall Chinook Protection Program
– Other
5
![Page 6: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/6.jpg)
Stabilize Spillway Monolith 4 • Goal Completed
– Monolith settled; crack essentially closed
– Operating with forebay of 541-545’ (25-30’ below normal)
– Emergency Action Plan – Condition C
– Monolith inspections continue
• Will be revisited once we have determined the exact fracture geometry
6
![Page 7: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/7.jpg)
Investigate Root Cause • Independent Board of Consultants • Reservoir level remains until following completed;
1. Define failure – How and why 2. Can event develop on the other piers 3. Plan to rehab 4 and other piers as necessary.
• Independent Forensic Investigation Team (FIT) • BOC and FIT required a series of data and reports to be
submitted (~17 reports in development).
7
![Page 8: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/8.jpg)
Pier Drilling
8
![Page 9: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/9.jpg)
Pier Drilling Video
9
![Page 10: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/10.jpg)
Intermediate Pool Raise
• Partial restoration of forebay level to at least minimum operating levels (562’). – Preliminary estimate July 1
• Board of Consultants require additional information prior to any pool raise
• Draft Repair Plan – Pins, anchors, and tendons
– Minimum two months
10
![Page 11: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/11.jpg)
Fish Passage
• Juvenile bypasses
– Wanapum – Operating with reduced discharge
– Priest Rapids – New for 2014
• Wanapum ladder modifications
– April 15th
• Trap and haul
– April 15th
11
![Page 12: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/12.jpg)
12
![Page 13: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/13.jpg)
13
Wanapum Dam
![Page 14: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/14.jpg)
14
Priest Rapids Dam
![Page 15: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/15.jpg)
Wanapum Left Bank Fish Ladder
15
![Page 16: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/16.jpg)
Wanapum Left Bank Fish Ladder
16
![Page 17: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/17.jpg)
17
Wanapum Left Bank – Phase I
![Page 18: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/18.jpg)
18
![Page 19: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/19.jpg)
Wanapum Right Bank Fish Ladder
19
![Page 20: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/20.jpg)
Priest Rapids Off Ladder Adult Fish Trap
20
![Page 21: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/21.jpg)
21
![Page 22: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/22.jpg)
22
![Page 23: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/23.jpg)
Adult Salmonid Passage Monitoring
• Detection Infrastructure – Priest Rapids Dam right & left bank fishways
– Priest Rapids off ladder adult fish trap (OLAFT)
– Temporary systems at Wanapum (right & left fishways)
– Rock Island Dam
– Other upstream locations
– Additional PIT Tags applied at Bonneville
– Additional PIT Tags applied at OLAFT
– Stuehrenberg et al. (1995), Bjornn et al. 1997; Peery et al. 1998, English et al. 1999
23
![Page 24: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/24.jpg)
24
![Page 25: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/25.jpg)
Additional Ongoing Work and Priorities • Decision tree and alternatives analyses
• Adult Salmonid Counting – starting April 1 at Priest Rapids Dam
• Wanapum Dam Temporary PIT Tag array
• Adult Salmonid Passage – PRD – WAN- RIS – Other – Review of previous adult passage study information
• Additional PIT Tags at Bonneville Dam (1-2K)
• Additional PIT Tags at PR OLAFT
• Fall back at Wanapum via PIT Tag
• Review of modeling data for WFUB
• Review of hill curve data for Wanapum turbines
• Review of Wanapum spillway information
• Acoustic telemetry
• Juvenile salmonid run-of-river PIT Tag – OSU/Realtime Research 5,500 yearling Chinook; 5,500 juvenile steelhead
• Stranding of benthic fauna
• Water Quality Transect Monitoring
• Aerial photography and mapping 25
![Page 26: Wanapum Dam Spillway Pier 4 - CROHMS > CRWMpweb.crohms.org/tmt/agendas/2014/0402_WANAPUM_update.pdf · –Priest Rapids off ladder adult fish trap (OLAFT) –Temporary systems at](https://reader036.vdocuments.mx/reader036/viewer/2022070923/5fbb71c4a941457a584c139b/html5/thumbnails/26.jpg)
Summary
• Approximately 200 people working on this – Internal, consultants, and independent experts
• Expect extended reduced forebay elevation – Minimum July 1
• All passage routes available for juveniles
• Ladders and trucking operational April 15th
• Extensive monitoring and adaptation
• Decision trees under development
• Direct interaction with agencies and tribes
• http://grantpud.org/your-pud/media-room/wanapum-dam-spillway-response
26