Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

EXPERIENCE GeoDesign, Inc. - 2/95 to Present Berger, Lehman Associates, P.C. - 5/92 to 1/95 GZA GeoEnvironmental, Inc. – Boston & CT 7/80 to 4/92 T.W. Lambe (MIT) 1979-80, other firms - 2 years 1975-78 co-op Composite Construction 1973-1975

EDUCATION AREAS OF SPECIALIZATION M.S., 1980, Civil Engineering (geotechnical specialization), MIT Geotechnical Engineering B.S., 1978, Civil Engineering, Northeastern University Constructibility/Peer Review M.B.A., 1993, University of Connecticut (Finance) Foundation Engineering Dispute Resolution Board Training, 2003 Soil Mechanics/Slopes Deep Foundations/Excavation

PROFESSIONAL REGISTRATION Registered Professional Engineer: NY, TN, NJ, CT, MA, ME, VT, NH, RI, MI, PA, TX, FL, MD, LEED AP

PROFESSIONAL EXPERIENCE:

Mr. von Rosenvinge began his career as a union construction worker in Boston before engineering school for structural engineering and an advanced degree in geotechnical engineering. Geotechnical engineering experience includes field engineer to principal in the responsible charge of hundreds of projects involving foundation engineering for hi-rise buildings, major bridges, rail facilities, marine projects, earthwork/underground construction, earth retention structures and slopes, computational analysis for soil structure interaction, slope stability, soil and rock mechanics, rock engineering, blasting/vibration analysis, forensic/expert witness, field and lab testing, geotechnical instrumentation. Founding GEODesign, Inc. in 1995 the consulting firm currently has 30 employees in five states (CT/VT/NJ/OR and NY-Manhattan) specializing in geotechnical, geostructural and construction engineering. He has published numerous professional papers and articles on underground construction, analysis and foundation engineering.

Chair – Town of Weston, Connecticut Conservation Commission, member 2012 to present

SELECTED PROJECT EXPERIENCE

Consultant for Blasting – including assignments for Town of Scarsdale, Village of Ardsley, Westchester County NY, Connecticut Light and Power Towers (Route 7 Extension, Brookfield, CT), Vets Explosives (Prepared blasting plan, Greenwich, CT project), ConnDOT (I-95 Bridge rock blasting specifications, Westport, CT), Rockland County/Sewer District

MTA 7 Line, Site P Station Excavation, Manhattan, NY – Excavation support of soil, and rock stabilization/reinforcement with rock bolting for 100 foot deep subway station excavation through 20 ‘ of soil and 80’ of rock.

Analysis of Rock Slope Failure, Taquesi River Project, Hydroelectrica Boliviana, Bolivia – inspection, review and analysis of 120 foot high slope following rock slide along roadway. Geological review, joint measurement and mapping of discontinuities and stability analysis. Report for international insurance company on cause ($60 million design build project) – see publications.

Vibration Monitoring Program, Greenwich, CT – design and implementation of vibration monitoring for pile driving to replace seawall within feet of existing building

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

Geotechnical Peer Review for 60 story building with four levels of underground Parking, Boston, MA – basement concrete slurry retaining walls constructed down to bedrock with up-down method within feet of two adjacent high-rise buildings, retained by developer (Millennium Partners) to peer review the design.

Blueberry Hill Healthcare, Beverly, MA – geotechnical consultant for foundation design including rock removal by blasting with 5 feet of existing nursing home

Shriner’s Hospital for Children, Springfield, MA – ground improvement by vibroflotation directly adjacent to operating hospital using vibratory method to densify deep loose sands

Soil Nail Wall Analysis and Design for Slope Stabilization, Farmington, CT –analysis and design of permanent nail wall, UCONN Health Center (50+ foot high – technical reviewer for GeoDesign design)

Design of 40 foot high rock slope, Danbury, CT – blasting recommendations including requirement to pre- split rock face to expand parking behind existing hotel with steep slope and manufacturing facility above cut

I-84 Interchange Improvements, Farmington, CT – geotechnical consultant for interchange reconstruction and improvement where Rtes. 4, 9 and Mainline I-84 merge. Widening of 4 bridges, two new bridges and overall widening of highway embankments

Millennium Tower, San Francisco – expert retained by structural engineer of record during post construction providing analysis and design concepts for stabilization of foundation for new 58 story residential tower

Sky Building (71 Stories) 605 West 42nd Street, Manhattan, NY – geotechnical consulting/design of multilevel underground excavation support system for high rise building construction including lateral support system wall design, and basement excavation in rock below adjacent hi-rise building, design of rock bolting support.

Mystic Marinelife Aquarium Expansion, Mystic, CT – geotechnical foundation design for $45 million (1996 $) of new buildings, outdoor exhibits, whale tanks and construction within the existing facility. Pile driving and rock anchor installation in extremely sensitive environment.

Ground improvement by blasting for 500,000 square foot industrial building at Westover Air Force Base Park - densification by blasting of loose liquefaction-susceptible soils. Rare use of this technique at the time (circa 1990) – see publications

MetroNorth Hudson Line Embankment Stabilization, – Peekskill, NY – Geotechnical engineer in charge of embankment stabilization to support Hudson Line tracks next to 100 feet deep river. Designed drilled shaft tangent pile, tied back retaining wall socketed into underwater bedrock slope. ENR 2014 Merit Award and ACEC NY Engineering Excellence Platinum Award (2015).

Consultant to Connecticut Department of Transportation - Tomlinson Bridge Foundations - technical assistance/consultation for drilled shaft rock sockets, expert witness 120-million $ claim including review of caisson rock socket installation DSC claim and analysis of cofferdam collapse. Testimony/presentation in mediation and arbitration proceedings.

Kittery, Maine Waterfront Bulkhead – expert witness report and arbitration testimony related to drilled shaft installation for rock socketed king piles

Analysis of Highway Wall Failure - Central Artery Contract CO7A, Third Harbor Tunnel, East Boston, MA - Analysis of cause of excessive movement of tied-back soil mix wall for 25 meter deep excavation in

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

Boston Blue Clay, causing Logan Airport Taxiway to settle, expert witness/mediation for general contractor insurance co.

Tennessee DOT/Attorney General – Consultant to state of Tennessee for claims related to highway slopes, retaining walls and earth retention systems for highway improvements in Chattanooga, Nashville area, Memphis (multiple projects). Chattanooga project included multiple levels of tied-back permanent retaining walls to facilitate highway widening through rock hillside.

Teton Village, WY – construction phase consultation and analysis of cut below water table for two levels of basement in glacial soils, recommendations to restore and maintain bottom stability

Mine Tunnel Collapse, Cheshire, CT - evaluation of abandoned barite mine tunnels in rock and surface sinkhole collapse/damages to residential neighborhood.

Geotechnical investigations, analysis, and foundation design 19-story City Place II, Hartford, CT

Tunnel Damage, Kingston, NY - consultant for municipality for deep combined sewer tunnel in soil and rock damaged during jet grouting repairs

Slope Failure, Municipal Facility, Glastonbury, CT – evaluation of boat house and community facility on banks of Connecticut River

20-story 99 Summer Street, 31-story 101 Federal Street and 399 Boylston Street. For the 101 Federal Street Slurry Shafts - Engineer-in-charge for design of first project in Boston (1986) to use the slurry method to install drilled caissons. Caissons were up to 87 inches in diameter, 100 feet long, and socketed 5 to 26 feet into bedrock to support a 31 story building (see publications list).

Summer House Tower, Stamford CT – geotechnical engineer for 250 ton micropile foundations for 22 story luxury residential tower

Due Diligence Peer Review for Major Corporate Investor, Tremley Point Warehouse Development, Linden, Union County, New Jersey – 350 Acre Site, 4 million square feet

Bridgeport Harbor Project (CT) - $300 million power plant (Siemens/Fluor Daniel/Duke Energy/United Illuminating) subsurface explorations, geotechnical design support, and field inspection for foundations consisting of over 500 2-foot diameter drilled shafts, rock-socketed into schistose gneiss 10 to 20 meters below ground surface.

Emergency Response – geotechnical consultant to MetroNorth RR and Vermont Agency of Transportation (VTrans) during Tropical Storm Irene – Fast track design of emergency measures to address storm damage causing miles of highway embankment failures, design of remedial measures, slope stability analysis, remediation of foundation collapses and erosion including highway and railroad bridge replacements

I-91 Highway Embankment Stabilization - Geotechnical consultant for analysis and redesign of highway embankment stabilization using caissons for US Army Corps of Engineer flood control dike on the Connecticut River in Hartford. Led redesign efforts during construction to eliminate over one third of a series of 60 inch diameter concrete caissons for a 1000 foot section of the 50 foot high Clark Dike levee embankment. Caissons were installed in the river through the embankment toe and socketed into deep sedimentary bedrock to stabilize the weak clay underlying the embankment which caused a prior foundation failure.

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

Preliminary design of cut-and-Cover relocation of Boston's Route 93 and Route One interchange, Massachusetts Department of Public Works (DPW), Central Artery Section 2, Boston, Massachusetts (first part of the “Big Dig”)

Geotechnical Engineer-in-Charge, Interstate 91 Reconstruction Windsor to Windsor Locks, Connecticut. Subsurface investigations, field and laboratory soil testing, geologic analyses, and geotechnical engineering analysis to develop embankment, slope, pavement and bridge design recommendations for 18 bridges and three miles of interstate highway and the interchange to Bradley International Airport over Connecticut Valley varved clays.

I-84 Exits 3 to 8 Highway Redesign, Danbury, CT– Geotechnical analysis of options for reconstruction of 2 mile section of highway on fill embankments, including 40 bridges – analyzed existing conditions, proposed new alignments including tunnel, depression of embankment and widening

Martin’s Point Bridge, Portland, ME - Geotechnical Peer Reviewer – Reviewed large diameter pipe pile foundations for piers, stability of approach embankment fills on soft soils and constructability issues.

Governors Island “The Hills” project, New York, NY – Geotechnical Peer Review of design and slope stabilization of 80 foot high fills over filled land and glacial clays extending to 100 feet deep. Recommended SSE, soil strength testing programs, finite element slope stability models, constructibility analyses, review of settlement and impacts on surrounding facilities.

Lead Geotechnical Engineer – NYSDOT Design Build Bridge Bundles in Westchester and Orange Counties – 12 bridge replacements of various sizes including 3 for heavily travelled Saw Mill River Parkway. Load relief for highway embankment at one location with Geofoam for 40 foot tall abutments to control load and settlement and stability. Design of 40 foot high rock cuts and review of blasting performance.

I-95 Pearl Harbor Memorial Bridge Replacement, New Haven, CT ($500+ million) - Geotechnical consultant for replacement/widening project including new cable-stayed Extradosed Bridge (under construction) over New Haven Harbor/Quinnipiac River. 8 foot diameter drilled shafts to 200 feet, socketed into bedrock. 110 foot long 20 inch precast friction piles for approach viaduct (client URS/ConnDOT).

Oak Point Link Rail Viaduct, - , NY- Officer-in-charge and geotechnical consultant for design/construction support of a 2 mile rail link connecting two freight yards. Project is a single track viaduct elevated above water founded on 36 inch and 72 inch diameter concrete filled steel caissons driven and drilled in excess of 100 feet below river level. Member of project Partnering Steering Committee – NYSDOT’s first partnered project.

Stamford RR Station, CT – Geotechnical Consultant to Kiewit for design of earth support system to retain and underpin railroad during widening of railroad embankment. Rock socket piles and rock anchors.

Interstate 84/I-91 Platform over Interstate 84 in downtown Hartford, Connecticut - Geotechnical engineering design and analyses for drilled shafts to support platform over part of the new I-84/I-91 interchange.

Croton Water Tunnel, CRO-313 Contract, Van Cortlandt, NY - Analysis of construction sequence, and tunnel liner stresses for contractor - new rock tunnel section

Preliminary design of cut-and-Cover relocation of Boston's Route 93 and Route One interchange, Massachusetts Department of Public Works (DPW), Central Artery Section 2, Boston, Massachusetts.

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

Section III MBTA Southwest Corridor project Boston, Massachusetts - Project manager for construction phase of 2 mile section of depressed rapid transit and commuter rail project.

Casey Highway Underpinning, Boston, Massachusetts - Performed all geotechnical design for underpinning of highway bents supported on spread footings impacted by new subway construction. Designed underpinning pits, pile foundations, load transfer by jacking, and pile driving criteria. Evaluated corrosion, monitored movements during pile driving and provided design modifications during construction ($2,000,000 underpinning project – largest underpinning project in country at the time - early 1980’s).

I-91 Bridge Replacement, Brattleboro, VT - Baseline Geotechnical Report and Site Specific Seismic Evaluation for Design Bid Builders (client VTRANS). Consultation during construction during drilled shaft installation into bedrock.

Pre-Bid Consultation – Tappan Zee Bridge, Hudson River, NY - Pre-design build Pile Load Testing Program, and pile driving hammer selection for Design Build Bid (subcontractor team member John P. Picone/Dragados).

I-95 Moses Wheeler Bridge Replacement, Stratford/Milford, CT ($300 million) - Geotechnical consultant during preliminary design and for replacement/widening. Design and construction specifications for 10 foot diameter, cased shafts of 60 feet deep with 9 foot diameter rock sockets. Design phase StatNamic testing program performed.

Drydock Repair Design Review, Philadelphia Navy Yard - Construction phase peer review of redesign of temporary end closure bulkhead fifty feet below sea level for former US Navy Yard drydock

Boston Fish Pier Rehabilitation - Geotechnical consultant for foundation design during rehabilitation of operating fish pier in Boston Harbor. Project involved installation of new pilings under low headroom conditions to depths of 120 feet and load testing of same.

Great Point Lighthouse, Nantucket, Massachusetts – Geotechnical engineer for foundation design of new lighthouse. Review and consideration of shoreline erosion rates responsible for destruction of former lighthouse during storm.

PUBLICATIONS, PRESENTATIONS AND AWARDS

• "A Method To Predict Deformations For Partially Drained Conditions in Braced Excavations" – Master of Science Thesis (MIT 1980). • "101 Federal Street Foundation Design" presented at the 1986 ASCE Annual Convention Geotech IV Conference session "Novel Techniques in Design and Construction of Deep Foundations". • Instructor of Soil Mechanics - Professional Engineers Review Course (Hartford Graduate Center) – several years during late 1980’s • "Slurry Caissons for High Rise Buildings" BSCE Fall 89 J. Civil Engineering Practice w/J. V. Errico. • 1992 Honor Award - American Consulting Engineers Council Award for Engineering Excellence for Westover Airpark North - Soil Densification (Principal in charge for GZA consulting project) • "Densification of Loose Sands by Deep Blasting" ASCE Publication Grouting, Soil Improvement, and Geosynthetics February 1992, (New Orleans, Louisiana Specialty Conference) • "The Key is Constructibility" - article August 94 Civil Engineering Magazine; w/ W. J. Schmitz • Constructibility Issues Related to the Oak Point Link Rail Connection Project in New York City” presented to CT Section ASCE Meeting January 17, 1995 (w/ William Schmitz) "Caissons and Slurry Construction" McGraw-Hill Field Inspectors Handbook; w/ G. Tamaro; 1995

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

• Presentation to Joint Meeting 1999 Connecticut Engineers Week (2/23/98) – “Mystic Marinelife Aquarium Expansion - Geotechnical and Foundation Engineering Aspects” • Presentation “How to Avoid Buried Surprises” – to AIA-CT Continuing Education Sept. 2003 • Guest Lecture “Pile Failures – When Things Go Wrong”, to University of Massachusetts Department of Civil Engineering Geotechnical Engineering Graduate School (3/30/01) • DFI/CT Section ASCE Presentation – “Pile Load Testing Program, Q-Bridge, New Haven, CT” Sept. 2003 • “Rock Slope Failure, Bolivia, S.A.” paper presented at – 54th Annual Highway Geology Symposium, Burlington VT Sept. 2003 • “Capacity Testing for Deep Foundations, The New Paradigm” with K. Acheampong, PhD., and J. Kidd, P.E. – Structure Magazine August 2004 • ACEC- CT Presidential Award, June 2004 • “Temporary Earth Support Design Seminar” – developed educational program and instructor with William Frank, P.E. for all day seminar to Metro North Railroad Design and Construction personnel, November 4, 2004, White Plains, NY • 2005 ACEC-CT “Engineer of the Year”, June 2005 • DFI/CT Section ASCE Presentation – “Geological Finishes for Soil Nail Walls” (9/04), CT • “Tort Reform Against Frivolous Lawsuits”, with Don Doeg, Esq. In Structural Engineer Magazine - December 2005 Issue • “Temporary Earth Support Design”, Lecture presentation to CT Section of ASCE as part of “Cofferdam and Temporary Sheet Piling Design Seminar”, December 6, 2005, Hartford, CT • “Two Case Studies – Blast Densification of Sands and Bolivian Rock Slope Failure”, presentation to ASCE Student Chapter of Northeastern University, February 8, 2006 • “Earthquake Mitigation by Blast Densification” – paper published in proceedings of Sixth International Conference on Case Histories in Geotechnical Engineering and Symposium in Honor of Professor James K. Mitchell, University of Virginia, August 11-16, 2008 • “Driven Pile Foundations for the Q Bridge” presented at the Pile Driving Contractors Association Annual Meeting, Savannah – April 28, 2011 • “Densification of Sands by Deep Blasting”, paper/presentation at ASCE Metro NY on May 12, 2011 • “Deep Drilled Shafts for Pearl Harbor Memorial Bridge”, paper presented at Deep Foundations Institute Annual Meeting, Boston – October 2011 • “Tied Back Wall Failure, Boston, MA paper presented and published in proceedings of Sixth International Conference on Case Histories in Geotechnical Engineering and Symposium in Honor of Professor Clyde Baker, Missouri Institute of Science and Technology, May 2, 2013 • “Deep Foundations for Pearl Harbor Memorial Bridge”, presentation for the Delaware Valley Geotechnical Institute, King of Prussia, PA – March 18, 2014 • “Deep Foundations for a Cable-Stayed Bridge, I-95, New Haven, CT”, presentation for the ASCE National Capitol Section Geotechnical Group, Tysons Corner, MD – April 9, 2014 • Instructor and Development for Drilled Shaft Inspectors Certification Program - NorthEast Transportation Training and Certification Program (NETTCP) – Spring and Fall 2014, and current 2016 – Instruction to Northeast State DOT Inspectors • “Ground Improvement – Organic Soils, Successes, Failures and Near Misses”, Presentation for Deep Foundations Institute/CT Section ASCE – November 7, 2014 • 2014 ENR Merit Award for MetroNorth Embankment Stabilization (with Kiewit), Hudson Line Milepost 43.8, Cortlandt Manor, NY • “Adding Value With Geotechnical Peer Review” – GeoNotes (GeoDesign publication – January 2015)

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Theodore von Rosenvinge IV, P.E., D.GE Senior Principal

• 2015 ACEC NY Engineering Excellence Platinum Award for MetroNorth Embankment Stabilization Design, Hudson Line Milepost 43.8, Cortlandt Manor, NY • “Seismic Site Characterization for Structural Design” - Earthquake Engineering Research Institute Annual Meeting – Session “Civil Infrastructure from a Geotechnical Perspective” – scheduled for April 2, 2015 • “Deep Foundations for a Cable-Stayed Bridge, I-95, New Haven, CT”, presentation at Georgia Institute of Technology, to Graduate Student Program, Invited Lecture, June 9, 2015 • “Stabilization of Railroad Embankment Along the Hudson River” paper presented to Metro ASCE Annual Geotechnical Seminar "Geotechnical Aspects of Safeguarding Infrastructure: Applying Risk Management to Build Resiliency" (co-author Dan LaMesa), NY, NY May 12, 2016 • “Cutting 100 Feet Into Manhattan Bedrock”, December 2016 issue of Structure Magazine • “Liability for Building Foundations: A Geotechnical Dilemma”, presentation and member of panel discussion at ACEC – NY, Annual Meeting, Albany, January 29, 2018 • “Geotechnical Peer Review: Added Value, Lower Risk” – August 2018 issue of Structure Magazine • ABA Sticks and Bricks Construction Seminar, Guest Lecturer Session 2 Earthwork/Foundations, September 20, 2019, AIA NY, Manhattan, NY • Structural Engineers Coalition of Connecticut, December 2019 Holiday Meeting Presentation “Foundation Failures” • “Geotechnical Problems for Buildings”, Tufts University (Invited Lecture) for Department of Civil and Environmental Engineering, February 21, 2020 • “Case Study, Heavy Industrial Building over Soft Marine Clay Profile”, Tufts University (Invited Lecture) for Department of Civil and Environmental Engineering, November 6, 2020 • “Geotechnical Risks During Design and Construction” – paper submitted for publication in proceedings of ASCE 9th Forensic Engineering Congress, Denver, November 5-8, 2021

PROFESSIONAL ACTIVITIES

ASCE Fellow (1998) The Moles – Member Academy of GeoProfessionals - Diplomate Geotechnical Engineer (2009) ACEC NY Metropolitan Region (Manhattan) Structure Codes Committee (2010- present) President Connecticut Section ASCE 1991/1992 President 1999/2000 ACEC-CT, Board Member 1996-2009, 2016-present Member Dispute Resolution Board Foundation Member International Conference of Soil Mechanics and Foundation Engineering Member Earthquake Engineering Research Institute Industry Advisory Board– Dept of Civil Engr., UMass, Amherst 2005-2015

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