HTAC 12 01-10 SLRIDT Update
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Transcript of HTAC 12 01-10 SLRIDT Update
SLRIDTSLRIDT(St. Louis River/Interlake/Duluth (St. Louis River/Interlake/Duluth
Tar)Tar) Superfund Site Superfund SiteUpdateUpdate
December 1, 2010December 1, 2010
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
• SLRIDT Site Remediation SLRIDT Site Remediation Activities (2006-2009)Activities (2006-2009)
• 2010 Tallas Island Winter 2010 Tallas Island Winter DredgingDredging
• 2010 Construction Activities 2010 Construction Activities • 2011 Construction Activities2011 Construction Activities
SLRIDTSLRIDTSite Remediation 2006Site Remediation 2006
SLRIDTSLRIDTSite Remediation 2007Site Remediation 2007
SLRIDTSLRIDTSite Remediation 2008Site Remediation 2008
SLRIDTSLRIDTSite Remediation 2009Site Remediation 2009
SLRIDTSLRIDT2010 Tallas Island Mitigation – Winter 2010 Tallas Island Mitigation – Winter
WorkWork
SLRIDTSLRIDT2010 Tallas Island Mitigation – Winter 2010 Tallas Island Mitigation – Winter
WorkWork
Tallas Island Winter DredgingTallas Island Winter Dredging
Tallas Island Winter DredgingTallas Island Winter Dredging
Tallas Island Winter DredgingTallas Island Winter Dredging
Segregation of Vegetative Root Mass from Ice
Tallas Island Winter DredgingTallas Island Winter Dredging
Tallas Island Winter DredgingTallas Island Winter Dredging
Tallas Island Winter DredgingTallas Island Winter Dredging
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Winter Work
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSite Remediation 2010Site Remediation 2010
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2010 Completed Construction Activities
• Installation of Residential Docks in Stryker Bay
• Installation of Reactive Carbon Mat in CAD
• Environmental Media Placement-Above Water
• CAD Cap Sand Delivery from Local Borrow Source
• CAD Capping with Sand Removed From Stryker
Bay Surcharge and Local Borrow Sources
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2010 Completed Construction Activities • Tallas Island Compensatory Mitigation Project-Environmental
Media Dredging
• Environmental Media Placement-Below WaterStryker Bay
Slip 7Slip 6/CAD
• CAD End Dike Modifications
• Shoreline Buffer Zone and Habitat Restoration (MN Portion Only)
• Conduct Environmental Monitoring
Residential Docks Installed in Stryker Bay
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
EM Placement on Slip 7 Mud Flats Sand Cap
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Vegetative Growth from EM Placement onSlip 7 Mud Flats Sand Cap
CAD Capping Sand Staged on Hallett Dock 6
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Staged on Hallett Dock 6
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Conveyor System
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Conveyor System
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Spreader Barge
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Spreader Barge
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Survey Operations
Daily Report for CAD capping sand placement
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Dredging Equipment
Booster Pump For Transporting EM to SLRIDT Site
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Spreader Barge Placing EM
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Completed Dredge Area-Knowlton Creek
Shoreline Buffer Zone and Habitat Restoration Plan
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
EM Top Soil Stockpiling
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDT SLRIDT Superfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone Before Restoration
SLRIDT SLRIDT Superfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone During Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone After Restoration
59th Avenue Shoreline BufferZone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
59th Avenue Shoreline Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
59th Avenue Shoreline Buffer Zone
(MN Portion Complete)
WIMN
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Arrowhead Point Buffer Zone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Arrowhead Point Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula EM Placement
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer ZoneBefore Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone After Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer ZoneBefore Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer ZoneAfter Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone During Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD End Dike Prior to Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD End Dike Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD End Dike Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD End Dike Removal After Completion
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2011 Construction Activities
• Shoreline Buffer Zone and Habitat Restoration-Wisconsin Portion
• Long-Term Monitoring Activities
SLRIDTSLRIDT Superfund Site Update - Next Steps Superfund Site Update - Next Steps
Long Term Monitoring Plan:
1. Cap Effectiveness
2. Cap Stability
3. Vegetation Establishment
4. Benthic Establishment
Next Five Year Review for entire site• Start in 2012 and end in 2013
SLRIDTSLRIDT Superfund Site Update - Next Steps Superfund Site Update - Next Steps
Reports:1. Construction Completion Report March
2011• Summary of activities• As-built plans• Data
2. Annual Monitoring Report• Site Activity Summary• Monitoring Data
Want More Information?Visit www.slridt.com or contact
Lisa Neitzel at [email protected]
Thank you!
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update