Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water...
Transcript of Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water...
![Page 1: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/1.jpg)
Pacoima DamSediment Removal Project
Presented by: Kenneth Rickard, P.E.Los Angeles County Dept. of Public Works
Introduction by Christopher Stone, P.E.
October 22, 2013
![Page 2: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/2.jpg)
Flood Control DistrictOwns and operatescomplex floodprotection andwater conservationsystems thatinclude:
• 14 major dams
• 162 debrisbasins
• 500 miles ofopen channels
• 36 sedimentplacement sites
• 27 groundwaterrechargefacilities
![Page 3: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/3.jpg)
![Page 4: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/4.jpg)
Pacoima Dam & Reservoir
•Completed in 1929
•Flood Protection & 5,550 Acre-Ft of Water Conservation
•Area – 28.2 sq. miles
•Last Cleanout – 1983
![Page 5: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/5.jpg)
2008 Marek Fire
2008 Sayre Fire
2009 Station Fire
80% of Watershed Burned
Recent Fires
![Page 6: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/6.jpg)
![Page 7: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/7.jpg)
Sediment Removal Options & Impacts
• Work in Reservoir – Removing of Sediment
• Disposal – Placement of Sediment- Gravel Pits and Landfills in Sun Valley
- New Sediment Placement Site in Nearby Canyons
• Between Removal & Disposal – Many Routes to Take- Trucking
- Use of Wash or Conveyor / Pipeline
- Temporary Staging Areas
• Long Term Project (5-7 years)
![Page 8: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/8.jpg)
Pacoima Reservoir
New Access Road
Sluice/Dredge
Lopez Basin(Army Corps)
Truck Route
Truck Route
Alt. Truck RoutePlacerita Canyon Road
North & SouthCanyons
Cougar &Maple
Canyons
![Page 9: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/9.jpg)
![Page 10: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/10.jpg)
![Page 11: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/11.jpg)
Pacoima Reservoir
New Access Road
Sluice/Dredge
Lopez Basin(Army Corps)
Truck Route
Truck Route
Alt. Truck RoutePlacerita Canyon Road
North & SouthCanyons
Cougar &Maple
Canyons
![Page 12: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/12.jpg)
Project Timeline
• Community Outreach
- CASM-SFV – October 7
- Sylmar Neighborhood Council AD HOC Committee – October 15
- HOAs and Community At-Large – October 19 & 22
- Acquire Feedback from Community/HOAs
- All Options will be Considered
Updated 4/14/14
![Page 13: Pacoima Dam Sediment Removal Project · 2018. 11. 20. · complex flood protection and water conservation systems that include: • 14 major dams • 162 debris basins • 500 miles](https://reader036.fdocuments.us/reader036/viewer/2022070115/60b0fdc30e6b6a1f83799cde/html5/thumbnails/13.jpg)
Questions?
Sediment Mgmt. Strategic Plan Website: www.LASedimentManagement.com
Questions and Comments can be sent to: [email protected]