2012 FEPA Presentation: Stu Kogge

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  • 1. Wetland and Stream Restoration Techniques Following EmergencyWetland and Stream RestorationResponse Actions to the Line 6B Oil Leak in TechniquesMichigan Marshall, FollowingEmergency Response Actions tothe Line 6B Oil Leak in Marshall, Michigan Ecological Consulting Native Plant Nursery Restoration Services Cultural Resource Management
  • 2. Background•Failure of approximately 5 feetof 30” steel pipe•On July 26th Enbridge’s Line 6Breleased approximately 843,000gallons of Canadian crude oil;approximately 337,0000 gallonsreached Talmadge Creek andthe Kalamazoo River•Both watercourses were atflood stage at the time of theincident, pushing oil into thecontiguous floodplains andwetlands
  • 3. Incident/Project Area
  • 4. Talmadge Creek
  • 5. Timeline Text Line 6B release: July 26 JFNew Site VisitJFNew Contacted Begin restoration Target restoration date (EPA order)
  • 6. End of July 2010
  • 7. September 2010
  • 8. September 2010
  • 9. September 2010
  • 10. October 2010
  • 11. Design Concepts•Created representativecross sections•Calculated shear stressesthroughout stream (0.7-1.5lbs/sf) at flood stage•Assess and match soils•Assess plant communitiesand create appropriatenative seed mixes•Considered marketavailability of materials,construction sequencing,and ability to rapidly install
  • 12. Design Concept•Coir logs•Backfill•Seed•NAG C-125BN•Have surveyors stake pre-remediation bankfull mark basedon original survey
  • 13. Design Concept – Soils
  • 14. Controlling Flow/Sediment Transport Creek Flume (“creek in a bag”) Inverted weir
  • 15. Implementation
  • 16. Implementation
  • 17. Implementation
  • 18. Implementation
  • 19. Implementation Talmadge Creek
  • 20. Implementation Talmadge Creek
  • 21. Implementation
  • 22. Post-restoration
  • 23. Post-restoration
  • 24. Post-restoration
  • 25. Post-restoration Summer 2011Fall 2010
  • 26. Design Concept – Soils
  • 27. Post-restoration (Open areas) Aug 2010
  • 28. Post-restoration (Open areas) Nov 2010
  • 29. Post-restoration (Open areas) July 2011
  • 30. Post-restoration (Open areas) Aug 2010
  • 31. Post-restoration (Open areas) Nov 2010 July 2011
  • 32. Post-restoration (Open areas) July 2011
  • 33. Groundwater Indirectly – subsurface discharging into creekDirectly discharginginto creek
  • 34. Unique Techniques• Required to address unique situations Heavy groundwater flows Unconsolidated soils
  • 35. Rock Chutes Early Spring 2011Fall 2010
  • 36. Rock Chutes July 2011Nov. 2010
  • 37. Vegetative Mats Proposed 2012 (if necessary)
  • 38. Rock Ramps• Creates riffles• Increases habitat diversity• Enables deposition on upstream ends of culverts
  • 39. Wildlife Habitat Structures Fall 2010 Fall 2010
  • 40. Wildlife Habitat Structures July 2011Nov. 2010
  • 41. Stu Koggestu.kogge@cardno.com517-898-9018Indianapolis, IN Walkerton, IN Cincinnati, OH Chicago, ILGrand Haven, MI Ann Arbor, MI Madison, WI Lansing, MI
  • 42. The CardnoFamily ofCompanies
  • 43. No. ofStaff 270 410 550 1,100 1,500 2,400 2,850 3,350 3,650 4,600 6,000+1945 1999 2002 2004 2005 2006 2007 2008 2009 2010 2011 2012 Cardno Overview