SUCCESSFUL GREAT LAKES DREDGING PROJECTS GOVERNMENT & PRIVATE SECTOR WORKING TOGETHER

1. 1 SUCCESSFUL GREAT LAKES DREDGING PROJECTSGOVERNMENT & PRIVATE SECTOR WORKING TOGETHER PIANC USA COPRI ASCE 2012 Dredging ConferenceOctober 22 – 25, San Diego, California Joseph Heimbuch Robert Rule de maximis, inc. de maximis, inc. Presented by:

2. PRESENTATION OVERVIEW 2 • GREAT LAKES LEGACY ACT • ASHTABULA RIVER • HISTORY & PROJECT DESCRIPTION • PROJECT HIGHLIGHTS • OTTAWA RIVER • HISTORY & PROJECT DESCRIPTION • PROJECT HIGHLIGHTS • “TEAMING” BENEFITS

3. GREAT LAKES LEGACY ACT 3 • 1978 - GREAT LAKES QUALITY WATER AGREEMENT SIGNED BY THE UNITED STATES AND CANADA • PURPOSE: “RESTORE AND MAINTAIN THE CHEMICAL, PHYSICAL, AND BIOLOGICAL INTEGRITY OF THE WATERS OF THE GREAT LAKES BASIN ECOSYSTEM” • THE UNITED STATES AND CANADA AGREED TO GIVE THE “WORST AREAS” PRIORITY ATTENTION • 42 “AREAS OF CONCERN” IDENTIFIED BY A JOINT COMMISSION • 25 IN THE UNITED STATES • 12 IN CANADA • 5 IN BINATIONAL WATERWAYS

4. GREAT LAKES LEGACY ACT (Continued) 4 • 2002 - GREAT LAKES LEGACY ACT (GLLA) • CONGRESS PROVIDES FUNDING FOR “AREAS OF CONCERN” IN THE UNITED STATES • PROGRAM ADMINISTERED BY THE GREAT LAKES NATIONAL PROGRAM OFFICE (GLNPO) • FOCUS ON “REMEDIAL ACTION FOR CONTAMINATED SEDIMENT” • NON-FEDERAL SPONSOR WITH RESOURCES COMMITTED TO THE PROJECT • APPLICATION PRESENTATION OF PROJECT REVIEW/ACCEPTANCE PARTNERSHIP AGREEMENT • 2 SIGNIFICANT “AREAS OF CONCERN”: • ASHTABULA RIVER, NORTHEAST OHIO, LAKE ERIE • OTTAWA RIVER, NORTHWEST OHIO, LAKE ERIE

5. ASHTABULA RIVER 5

6. ASHTABULA RIVER 6

7. ASHTABULA RIVER: History & Project Description 7 • NORTHEAST OHIO – 50 MILES EAST OF CLEVELAND – FLOWS INTO LAKE ERIE AT ASHTABULA, OHIO • OPERABLE UNIT OF THE FIELDS BROOK SUPERFUND SITE • 1993 - ASHTABULA RIVER PARTNERSHIP FORMED AS AN ALTERNATIVE TO THE SUPERFUND PROCESS • PARTNERSHIP COMPOSED OF USEPA, USFWS, OHIO EPA, USACE, CORPORATIONS, PRIVATE CITIZENS & THE ASHTABULA RIVER COOPERATION GROUP (ARCG) • 2004 - USEPA/GLNPO ACCEPTED APPLICATION FROM THE ASHTABULA PORT AUTHORITY FOR SHARED FUNDING FOR THE CLEANUP OF THE ASHTABULA RIVER • RESOURCES FOR THE ASHTABULA PORT AUTHORITY (THE NON-FEDERAL SPONSOR) WERE PROVIDED BY THE ARCG AND THE STATE OF OHIO

8. ASHTABULA RIVER:History & Project Description (Continued) 8 • PROJECT DESIGNED FOR THE REMOVAL OF 500,000 CUBIC YARDS OF PCB-CONTAMINATED SEDIMENT • HYDRAULIC DREDGING EMPLOYED WITH THE SPOILS BEING TRANSPORTED VIA PIPLINE TO AN UPLAND DE-WATERING AND DISPOSAL AREA • ADDITIONAL 150,000 CUBIC YARDS OF CONTAMINATED SEDIMENTS REMOVED DOWNSTREAM BY THE USACE UNDER THE WATER RESOURCES DEVELOPMENT ACT (WRDA) • CONTAMINATED SEDIMENTS PLACED INTO A TSCA-PERMITTED LANDFILL OWNED BY DE MAXIMIS • PROJECTCO-MANAGED BY DE MAXIMIS & USEPA/GLNPO

9. ASHTABULA RIVER – PROJECT HIGHLIGHTS 9 • CONSTUCTED TSCA LANDFILL IN 112 DAYS • 396,000 CUBIC YARDS OF SOIL EXCAVATED & TRANSPORTED OFF-SITE • 25,000 TONS OF CONCRETE BROKEN, EXCAVATED, TRANSPORTED & CRUSHED • 3,275,000 SQUARE FEET OF LINER (75 ACRES) INSTALLED • 5.3 MILES OF PIPELINE PLACED • 3 MILES OF FLOODPLAIN GRADED & MAINTAINED • 630,000 CUBIC YARDS OF SEDIMENT DREDGED, TRANSPORTED & DEWATERED IN 336 OPERATING DAYS (9/9/2006 TO 6/18/2008) • 1,250,000,000 GALLONS OF WATER TRANSPORTED, TREATED & DISCHARGED BACK INTO THE ASHTABULA RIVER (NO EXCURSIONS FROM NPDES PERMIT REQUIREMENTS) • 595 GEO-TEXTILE TUBES UTILIZED

10. ASHTABULA RIVER – PROJECT HIGHLIGHTS (CONTINUED) 10 • OPERATED 24/7 IN 2006/2007 & 24/6 IN 2008 • 85 PERSON OPERATING STAFF (45 ON DAYS & 40 ON NIGHTS) • 360,000 MANHOURS WITH NO REPORTABLE INJURY

11. OTTAWA RIVER 11

12. OTTAWA RIVER 12

13. OTTAWA RIVER:History & Project Description 13 • NORTHWEST OHIO – TOLEDO AREA – FLOWS INTO LAKE ERIE AT MAUMEE, OHIO • 2007 - OTTAWA RIVER GROUP (ORG) FORMED TO CLEANUP PCB-CONTAMINATED SEDIMENTS OUTSIDE CERCLA • PROJECT STAKEHOLDERS INCLUDE: USEPA, OHIO EPA, USFWS, USACE & THE ORG • 2008 - USEPA/GLNPO ACCEPTED APPLICATION FROM THE ORG FOR SHARED FUNDING FOR THE CLEANUP OF THE OTTAWA RIVER • 241,671 CUBIC YARDS OF CONTAMINATED SEDIMENTS DREDGED IN 146 OPERATING DAYS (5/3/2010 TO 10/21/2010) • SPOILS TRANSPORTED VIA PIPELINE, DEWATERED IN GEO-TEXTILE TUBES & PERMANENTLY DISPOSED IN A SEPARATORY LINER CELL SYSTEM WITHIN THE CITY OF TOLEDO’S LANDFILL • PROJECTCO-MANAGED BY DE MAXIMIS & USEPA/GLNPO

14. OTTAWA RIVER – PROJECT HIGHLIGHTS 14 • RE-UTILIZATION OF MATERIALS FROM ASHTABULA PROJECT (PIPELINE & WATER TREATMENT SYSTEM) RESULTED IN SIGNIFICANT COST SAVINGS • 1,655 CUBIC YARDS DREDGED PER DAY (ON AVERAGE) • CREATIVE CONTRACTING PRODUCED TEAM APPROACH & NO “FINGER-POINTING” • 96% TOTAL PROJECT UP-TIME • “LESSONS LEARNED” FROM ASHTABULA INCREASED EFFICIENCY • 509,000,000 GALLONS OF WATER SUCCESSFULLY TREATED & DISCHARGED BACK INTO THE OTTAWA RIVER • 162,500 MANHOURS WITH 1 SUBCONTRACTOR LOST-TIME ACCIDENT

15. OTTAWA RIVER 15

16. “TEAMING” BENEFITS 16 • CONTRACT/AGREEMENT BINDS THE “PARTNERS” (NON-FEDERAL SPONSOR & USEPA/GLNPO) • OTHER GOVERNMENT AGENCIES HAVE INPUT (USEPA/CERCLA, STATE REGULATORS, USACE & POTENTIAL FEDERAL/STATE NATURAL RESOURCE TRUSTEES) • EMPHASIS ON CLEANUP & RESTORING BENEFICIAL USES – NO PUNITIVE UNDERCURRENT • BOTH PARTNERS HAVING A FINANCIAL STAKE FOCUSES THE PROJECT ON SCHEDULE & PERFORMANCE • “STREAMLINING, EFFICIENCY & COST-EFFECTIVENESS” ARE NOT JUST MEANINGLESS WORDS • CLEANUPS ACCOMPLISHED SOONER RATHER THAN LATER

17. 17 THANK YOUQUESTIONS/COMMENTS JOSEPH HEIMBUCH ROBERT RULE de maximis, inc.de maximis, inc. Sarasota, Florida Knoxville, Tennessee 941-926-7929 865-691-5052 heimbuch@demaximis.com bob@demaximis.com MIKE PALMER de maximis, inc. San Diego, California 619-546-8377 mpalmer@demaximis.com www.demaximis.com