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Former DuPont Barksdale Works Project Update

Former DuPont Barksdale Works Project Update. July 14, 2004 DuPont Corporate Remediation Group Great Lakes Visitors Center. Purpose of Presentation. Provide an update on the alternative water supply project

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Former DuPont Barksdale Works Project Update

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  1. Former DuPont Barksdale Works Project Update July 14, 2004 DuPont Corporate Remediation Group Great Lakes Visitors Center

  2. Purpose of Presentation • Provide an update on the alternative water supply project • Provide update on additional project work conducted since the May 2004 public meeting and planned work for 2004 Former DuPont Barksdale Works Project Update

  3. Presenters • Brad Nave • Project Director, DuPont Corporate Remediation Group (CRG) • Cary Pooler • Project Manager, URS Corporation Former DuPont Barksdale Works Project Update

  4. Alternative Water Supply Project

  5. Pipeline Construction UpdateAlternative Water Supply • Agreement between Barksdale, Washburn, and DuPont signed on January 28th • DuPont will build the system • Washburn will operate and maintain the line. • Ordinance adopting agreement was passed by Washburn on March 8th • All eligible homeowners have signed up for water Former DuPont Barksdale Works Project Update

  6. Former DuPont Barksdale Works Project Update

  7. Construction PermitsAlternative Water Supply • Permits and approvals required from • WDNR • Approval to build pipeline • Stream crossings • Erosion control • US Army Corps of Engineers • Environmental permit • Bayfield County • Shoreline grading • Department of Transportation • Right-of-way occupancy • City of Washburn • Design approval Former DuPont Barksdale Works Project Update

  8. Construction PermitsAlternative Water Supply • All permits currently received with the exception of Bayfield County Zoning (permit approved, needs signature) • Washburn follow-up to City Council approval of Water Agreement • Letter officially documents City of Washburn’s acceptance of the Barksdale Water Pipeline design. • Four votes for approval • 2 abstained (new council members) • 1 opposed (new council member) Former DuPont Barksdale Works Project Update

  9. EasementsAlternative Water Supply • Easement agreements filed for three properties along Bigelow Street (within Washburn City limits) • City of Washburn property • Bayfield County property • One private property Former DuPont Barksdale Works Project Update

  10. Pipeline Construction UpdateAlternative Water Supply • Pipeline design is at 99% • Comments from permitting agencies, Washburn, and bidders have been incorporated • Need feedback from a few individual homeowners for curb stop and lateral line routing • Bid meeting held on May 18th • Super Excavators • Reuben Johnson and Sons • Summit Environmental • S. J. Lewis • S. R. Weidema • Bidding occurred in June – selected contractor is Rueben Johnson and Sons, Inc. (official contract immanent) Former DuPont Barksdale Works Project Update

  11. Pipeline Construction UpdateAlternative Water Supply • Construction start anticipated for July 26th pending finalization of contract with Reuben Johnson and Sons, Inc. • Construction completion targeted for end of calendar year 2004, assuming: • No regulatory delays • Outstanding contractor performance (construction and safety) • Favorable weather Former DuPont Barksdale Works Project Update

  12. Other Barksdale Site Work

  13. Residential Monitoring • April 2004 sampling results (10 potable wells) will be transmitted to WDNR shortly • Preliminary results indicate no detections of site-related compounds • Annual change-out of carbon cylinders was completed in March/April 2004 • Two seasonal homes completed in June • Next sampling event will be conducted in late summer (approximately 82 homes starting on August 23rd) Former DuPont Barksdale Works Project Update

  14. Site Investigation • Trenching and further sampling in production areas started May 24th and completed July 9, 2004. • 33 trenches excavated • 300 pounds of TNT recovered for off-site disposal • Used robotic equipment • Focus was within the former manufacturing area • 10 new monitoring wells will be installed in the summer • Additional groundwater sampling to be conducted in late summer/early fall Former DuPont Barksdale Works Project Update

  15. Site Investigation(continued) Former DuPont Barksdale Works Project Update

  16. Site Investigation(continued) Former DuPont Barksdale Works Project Update

  17. Site Investigation(continued) Former DuPont Barksdale Works Project Update

  18. Site Investigation(continued) Former DuPont Barksdale Works Project Update

  19. Site Investigation(continued) Former DuPont Barksdale Works Project Update

  20. Home Value Protection Program • 30700 Nolander - sold on April 21st • 72450 Highway 13 – sold on June 10th • 72410 Highway 13 – purchased on June 29th • Home is in poor condition • Structural and moisture issues exist • Interior mold issues exist • DuPont is strongly considering removal of the structure • Program will remain in effect until six months after alternative water is available Former DuPont Barksdale Works Project Update

  21. Questions or comments? Former DuPont Barksdale Works Project Update

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