1. SUCCESSFUL GREAT LAKES DREDGING PROJECTS GOVERNMENT & PRIVATE SECTOR WORKING TOGETHER Joseph HeimbuchRobert Rulede maximis, inc. PIANC USA COPRI ASCE 2012 Dredging Conference October 22 – 25, San Diego, California Presented by: 1

2. 2012 Dredging Conferencewww.demaximis.com PRESENTATION OVERVIEW 1.GREAT LAKES LEGACY ACT 2.ASHTABULA RIVER HISTORY & PROJECT DESCRIPTION PROJECT HIGHLIGHTS 3.OTTAWA RIVER HISTORY & PROJECT DESCRIPTION PROJECT HIGHLIGHTS 4.“TEAMING” BENEFITS 2

3. 2012 Dredging Conferencewww.demaximis.com GREAT LAKES LEGACY ACT 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 3

4. 2012 Dredging Conferencewww.demaximis.com GREAT LAKES LEGACY ACT (Continued) 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 4

5. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER 5

6. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER 6

7. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER: History & Project Description 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 7

8. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER: History & Project Description (Continued) 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 PROJECT CO-MANAGED BY DE MAXIMIS & USEPA/GLNPO 8

9. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER – PROJECT HIGHLIGHTS 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 9

10. 2012 Dredging Conferencewww.demaximis.com ASHTABULA RIVER – PROJECT HIGHLIGHTS (CONTINUED) 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 10

11. 2012 Dredging Conferencewww.demaximis.com OTTAWA RIVER 11

12. 2012 Dredging Conferencewww.demaximis.com OTTAWA RIVER 12

13. 2012 Dredging Conferencewww.demaximis.com OTTAWA RIVER: History & Project Description 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 PROJECT CO-MANAGED BY DE MAXIMIS & USEPA/GLNPO 13

14. 2012 Dredging Conferencewww.demaximis.com OTTAWA RIVER – PROJECT HIGHLIGHTS 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 14

15. 2012 Dredging Conferencewww.demaximis.com OTTAWA RIVER 15

16. 2012 Dredging Conferencewww.demaximis.com “TEAMING” BENEFITS 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 16

17. THANK YOU QUESTIONS/COMMENTS JOSEPH HEIMBUCHROBERT RULE de maximis, inc. Sarasota, FloridaKnoxville, Tennessee 941-926-7929865-691-5052 heimbuch@demaximis.com bob@demaximis.com MIKE PALMER de maximis, inc. San Diego, California 619-546-8377 mpalmer@demaximis.com www.demaximis.com 17