2007 FIELD INVESTIGATIONS – COUPON SAMPLE RETRIEVAL

AMI Dive Boat Underwater Picture of Coupon Tray


AMI Driver Removing Coupon From Tray


AMI Driver With Removed Coupon


Close-up Of Removed Coupon


Coupon Sample Collected For Lab Analysis


Coupons Being Prepared For Transport To Lab

2007 FIELD INVESTIGATIONS – DULUTH-SUPERIOR HARBOR CORROSION PICTURES

Close-up Of CN Dock Corrosion


Close-up Of Range Cell Corrosion


Corrosion Observed at Bong Bridge Range Cell


Corrosion Observed at CN Ore Docks


Corrosion Observed at Erie Pier CDF


Corrosion Observed at Murphy Oil Dock


Range Cell Steel Corrosion

2007 FIELD INVESTIGATIONS – EXAMPLES OF CORROSION IN OTHER GREAT LAKES HARBORS & MARINAS

Apostle Islands Marina Bayfield, WI


Bayfield Harbor, WI


Big Bay Harbor, WI


Houghton Marina, MI


Lac La Belle State Dock, MI


Madeline Island Marina, WI


Ontonagon Marina, MI


Presque Isle Dock Marquette, MI


Presque Isle Dock Marquette, MI


ADM Ogilvie, Thunder Bay


Keefer Terminal, Thunder Bay


Thunder Bay Terminals

2006 FIELD INVESTIGATIONS

AMI Divers Inspect Duluth Entry


AMI Divers Inspect US Army Corps of Engineers Slip


AMI Divers Inspect Minnesota Slip


Divers Support Monitoring and Data Recording


AMI Divers Perform Visual Inspections


Corrosion Product Visual Inspection Screen Capture


Marine Growth Samples (Freshwater Sponges)


Pit Depth Measurement Gauge


Pit Depth Measurement Screen Capture


Insitu Thickness Meter


Insitu Thickness Measurement Screen Capture


Water Quality Measurement Probe and Meter


Corrosion Tubercle Screen Capture


MIC Samples Collected for Lab Analysis


Chad Scott Inspects Coating Test Samples


5 Year Coating Test Samples After Removal

MISCELLANEOUS

Harbor Channel Marker Buoy and Chain


H-Pile Corrosion Example


Bong Bridge Cell


Sheetpile Corrosion Example


H-Pile Jacketing Repair


H-Pile Jacketing Repair


Corrosion Workshop Field Trip


Superior Entry Corrosion


Superior Entry Corrosion


Superior Entry Corrosion


Corrosion Workshop Site Investigation


Harbor Channel Marker Buoy and Chains
