Experience Areas of Specialization
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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 . Page 1 CONNECTICUT • NEW JERSEY • NEW YORK CITY • VERMONT www.geocompanies.com 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, Hudson River – 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 . Page 2 CONNECTICUT • NEW JERSEY • NEW YORK CITY • VERMONT www.geocompanies.com 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