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Erosion Sediment Control Expert Witnesses

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James D. Wamble, PE, RLS
PE, RLS
40 Middleton Street
Nashville TN 37210
USA
phone: 615-251-9555
fax: 615-251-9034
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James D. Wamble, PE, RLS has over 30 years of experience as a Professional Civil Engineer and Registered Land Surveyor. During the course of his career, Mr. Wamble has worked on land planning, land surveying, or civil engineering projects in all counties of the middle and west Tennessee regions, and several counties in east Tennessee.

Mr. Wamble has offered litigation support services as an expert witness in cases since 1976. In the last four years, he has testified 12 times in 8 lawsuits. These litigation cases include land planning, land surveying, and civil engineering issues. Mr. Wamble has experience with depositions, trials, hearings, and arbitrations.

Expert Witness Services Include:
  • Research
  • Site Inspections
  • Engineering Analysis
  • Land Surveys
  • Survey and Civil Engineering Drawings
  • Investigation
  • Report Writing
  • Exhibit Preparation
  • Areas of Expertise:

    • Civil Engineering: Design of grading, drainage, utilities, roads, lakes, dams, detention basins, parking lots, shopping centers, subdivisions, apartments, condominiums, planned unit developments, specific plans, industrial parks, mobile home parks, mini warehouses, hotels and office building site plans; flood, drainage, and utility studies; low impact design; financial developability and constructability analysis of proposed developments; preparation of cost estimates; assisting clients in setting project budgets; designing projects to contain cost within determined project budget; construction project management, inspection, administration, and processing of contractors’ pay requests
    • Land Surveying: Topographic, Route, Land, Boundary, Utilities, Aerial ground control, Engineering design, and Construction Surveys
    • Land Planning: Land use/development feasibility analysis, planning and concept design of residential, commercial, industrial and municipal projects; zone change applications; planned unit development and specific plan applications; site selection consultation; and graphic presentations
    View James Wamble's Consulting Profile.
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    Ted S. Merrill
    General Construction Consultant
    7777 Alvarado Road
    Suite 408A
    La Mesa CA 91942
    USA
    phone: 619-464-3997
    fax: 619-464-8581
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    Ted Merrill has over 64 years of experience that includes all phases of Construction and Damage Repair. Mr. Merrill has 46 years of experience in Estimating and Reconstruction of buildings damaged by Fire, Wind, Water, Motor Vehicles, Earth Movement, and Construction Defects.

    Mr. Merrill has held positions ranging from laborer, apprentice, carpenter, carpenter, superintendant, estimator, and general contractor. He has contracted with federal and state governments, local cities, school districts, insurance companies, and individual owners of residential, commercial, and industrial buildings.

    Litigation Support - Ted Merrill has testified as an expert in Municipal, Superior, and Federal courts. His services are available to attorneys representing plaintiff and defendant and include site review, thorough investigations and reports, depositions, arbitrations, and trial testimony as needed.

    Construction Areas of Expertise:
    • Building / House Repairs
    • Floors & Flooring
    • Cabinets
    • Foundation Movement
    • Construction Contracting
    • Foundation Repair
    • Construction Defects
    • Framing
    • Stair and Stairways
  • Construction Disputes
  • Installation
  • Construction Estimates
  • Molding/Paneling
  • Decks
  • Residential
  • Finish Carpentry
  • Decay and Defects
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    James Nelson
    4601 E. Mountain View Road
    Phoenix AZ 85028
    USA
    phone: (916) 801-3962 or (602) 639-0743
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    James Nelson Storm Water Expert PhotoJames H. Nelson, PE is a Hydrologist and Civil Engineer with over 35 years of emphasized experience in the water resources field. Since beginning his professional practice in 1975, Mr. Nelson has completed or supervised the completion of over 2,500 relevant projects in the field of Water Resources.

    Prior to founding Storm Water Consulting, Inc., Mr. Nelson was a member of a large multi-disciplinary consulting firm for 27 years, functioning in a variety of roles, including Chief Hydrologist, Water Resources Manager, Principal, Branch Manager and Vice President. He is a Registered Civil Engineer in the States of California, Arizona, Nevada, and Hawaii.

    Mr. Nelson has provided expert witness services in over 20 lawsuits involving Storm Drainage and Flooding, representing plaintiffs and defendants about equally.

    Areas of Expertise:
    • Storm Drainage Master Plans
    • Floodplain Mapping
    • Regulatory Requirements for Flood Hazard Areas
    • Drainage Designs for Streets and Highways
    • Joint-use Flood Control / Recreation and Environmental Enhancement Projects
  • Hydrologic and Hydraulic Studies
  • Environmental Impact Reports
  • Floodplain Assessments
  • Storm Drainage Impact Fee Analyses
  • Flood Control Studies / Designs
  • Selected Litigation Support Cases
    • Heidrick/Schultz v. City of Davis - Increased and recurring flooding of agricultural properties downstream of a recently-constructed, large residential development project and accompanying storm drainage facilities, Yolo County, California. Hydrology consultation and expert witness
    • P&S Metals v. Whitton Corporation, et. Al. - Flooding caused by a downstream landowner’s construction of a CMU wall across the floodway for the North Branch Tropicana Wash, Las Vegas, Nevada. Hydrology consultation and expert witness
    • Moniz v. State of Hawaii - Intensified flooding and destruction of a residence in Waianae, Hawaii caused by upslope grading in State lands. Hydrology consultation and preparation of initial evaluation report
    • Maricopa County v. Allied Concrete. Sand and gravel operation along Agua Fria River near Indian School Road, Phoenix, Arizona. Hydrology consultation and expert witness
    View James Nelson's Consulting Profile.
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    Sean Wilson, MS, PG, CEG
    664 W. Broadway
    Glendale CA 91204
    USA
    phone: (818) 539-8408
    fax: (818) 543-4565
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    Sean Wilson, MS, PG, CEG, has over 23 years of experience in performing Geologic and Geotechnical Forensic Engineering investigations. Mr. Wilson currently serves as a Senior Professional Geologist at Shannon & Wilson, Inc. He holds a professional engineering geologist license in California and a professional geologist license in Utah.

    Mr. Wilson has broad experience in numerous industries. He has completed or project managed over a 1,000 forensic evaluations of distressed properties in California, Utah and Oregon for insurance carriers. For the construction industry, Mr. Wilson's work in residential/commercial/public works development projects include trench and drilling exploration, down-hole logging, geotechnical laboratory testing, slope stability analysis, fault trench logging, foundation and keyway observations, fill control, mass grading monitoring. He has also provided planning and environmental impact reports for several cities and counties throughout California.

    Litigation Support - Mr. Wilson provides consultation services to attorneys, judges, arbitrators, insurance companies, and others in the evaluation and remediation of soil related distress to structures, earth movement, seismicity, and other matters related to adverse soil, geologic, or hydrologic conditions. His services are available to counsel representing both Plaintiff and Defendant.

    Areas of Expertise:
    • Forensic Investigations
    • Damage Causation Evaluations
    • Geologic and Geotechnical Investigations
    • Landslide Investigations and Mitigation
    • Geologic Hazard Assessments
    • Environmental Impact Report (EIR) Preparation
    • Environmental Planning
    • Observation and Monitoring of Engineered Grading and Construction Projects
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    John Bornsworth
    Principal
    PO Box 3106
    Port Angeles WA 98362
    USA
    phone: 360-819-3081
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    John Bornsworth, Owner and Consulting Arborist has a decade of progressive experience in the practice and management of Arboriculture, Horticulture, Restoration Ecology, Vegetation Management, Plant Pathology, and Mycology.

    Credentials:
    • Member, American Society of Consulting Arborists
    • International Society of Arboriculture Certified Arborist
    • ISA Certified Municipal Specialist
    • Qualified Tree Risk Assessor
    • WSDA Licensed Commercial Applicator with aquatic, horticultural and right-of-way endorsements
    • WA Dept. of Ecology, Western Washington Wetlands Rating System Certificate
    • Graduate of the rigorous Community Tree Management Institute (CTMI). Hosted by Urban and Community Forestry programs in Oregon and Washington
    Affiliations:
    • Member, Society of Consulting Arborists
    • Member of the International Society of Arborists
    • Member of the Pacific Northwest Chapter of the ISA
    • Member of the Society of Municipal Arborists
    • Member of the Society of Ecological Restoration
    Litigation Support - Mr. Bornsworth provides defensible plant appraisal for legal cases, insurance claims, and asset management. His appraisals methodology is defined by the 9th edition of the Plant Appraisal Guide published by the Council of Tree and Landscape Appraisers. The value derived from this can be used to establish loss and replacement costs.

    Mr. Bornsworth has appraised single trees, improperly pruned trees, and numerous tree losses. He has also worked in multiple Timber Trespass cases and Illegal Logging cases.

    View John Bornsworth's Consulting Profile.
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    Ian C. Mellor, PE, SE
    4109 Conrad Dr.
    Spring Valley CA 91977
    USA
    phone: 619-252-1168
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    Ian Miller Structural Engineering Expert PhotoIan C. Mellor, PE, SE, is a licensed Civil and Structural Engineer with over 30 years of experience in the construction industry.

    Mr. Mellor has extensive experience in the evaluation and design of wood, steel, masonry, concrete, light gage steel, and fiber reinforced polymer structures. His background includes the seismic and structural evaluations of earthquake-damaged school buildings, modernization, and upgrade project of San Diego Unified School District and Department of Defense facilities, the evaluation and seismic rehabilitation design of historic theatres, and the seismic retrofit of unreinforced masonry buildings. Mr. Mellor was a member of the Haiti post disaster relief effort team that performed damage assessments for more than 200,000 units in and around the Port-au-Prince area.

    Litigation Support - Mr. Mellor is skilled in Forensic Engineering for Construction Defect litigation claims, insurance claims cause and origin evaluations, and seismic evaluation and rehabilitation of existing buildings. He is available nationally and globally to evaluate damage to structures from natural disasters and from man-made causes and in providing repair drawings. Mr. Mellor's services include deposition and trial testimony as needed.

    Areas of Expertise:
    • Natural Disaster
    • Earthquakes
    • Hurricanes
    • Flood Damage Evaluation
    • Flood Repair Estimates
    • Structural Damages Evaluation
  • Structural Repair Estimates
  • Moisture Intrusion
  • Fire Damage Evaluation
  • Fire Repair Estimates
  • Structural Collapse
  • Foundations / Soils
  • Professional Licenses:
    • California Structural Engineer
    • California Professional Civil Engineer
    • Nevada Civil and Structural Engineer
    • Arizona Professional Civil Engineer
    • Hawaii Structural Engineer
    • Washington Civil and Structural Engineer
    • Oregon Civil and Structural Engineer
    • Virginia Professional Engineer
    • Louisiana Professional Engineer
    • New York Professional Engineer
    • Model Law Structural Engineer Designation - National Council of Examiners for Engineering and Land Surveying (NCEES) Licensed in Utah, Colorado, and Texas
    Deposition Experience:
    • AAA v A-1 Budget Roofing – December, 2014 – 2 hours
    • Solorio v Bisi – January 2017 – 5 hours
    View Ian Mellor's Consulting Profile.
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    Philip T. Tringale, PhD, PE
    Environmental Engineering Consultant
    555 Montgomery Street, Suite 1300
    San Francisco CA USA
    phone: 510-874-7011
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    Philip T. Tringale, PhD, PE is a registered Professional Civil Engineer with over 25 years of Environmental Consulting experience. His site and redevelopment projects include commercial and industrial facilities, landfills, and cases requiring technical support for litigation.

    Dr. Tringale has directed numerous site assessments and remediation programs involving soil and groundwater contaminated primarily by organic solvents, metals, and petroleum products. He has particular expertise in site characterization and in the use of in-situ testing to evaluate soil properties. Dr. Tringale has provided final design for remedial actions that involve excavation, containment, bioremediation, vacuum extraction, monitoring, and groundwater treatment.

    Dr. Tringale has been providing litigation support services to the legal industry for over 20 years. He is available to attorneys for Plaintiff and Defense. Dr. Tringale has been retained approximately 15 times and has provided expert testimony in support of counsel for cases involving:
    • National Contingency Plan Compliance
    • Identification of Contaminant Sources
    • Magnitude and Extent of Contamination
    • Remedial Cost Estimates
    • Allocation of Cost and Responsibility
    View Philip Tringale's Consulting Profile.
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    Rudolph P. Frizzi, PE, GE, D.GE
    Geotechnical Engineering Consultant
    555 Montgomery Street, Suite 1300
    San Francisco CA USA
    phone: 201-398-4613
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    Rudolph P. Frizzi, PE, GE, D.GE is a Civil Engineer with over 25 years of extensive practical Foundation and Geotechnical Engineering experience. Mr. Frizzi has extensive project management experience throughout the United States and internationally, with particular emphasis on:
    • Foundation Design and Construction in Urban Areas
    • Large Scale Land and Waterfront Public and Private Development Projects
    Mr. Frizzi has obtained extensive field, office supervision, and project management experience including soil and rock sampling and in-situ testing; monitoring pre , during, and post-construction with state-of-the-art geotechnical instrumentation; nondestructive testing; aqueous and sub-aqueous inspections and investigations; and heavy construction which has contributed to his practical approach to geotechnical problem solving.

    In addition to his "engineer of record" experience, Mr. Frizzi has provided expert geotechnical consultation and trial testimony on over 50 excavation and foundation litigation cases throughout the United States and internationally. His services are available to attorneys for Plaintiff and Defense.

    Areas of Forensic Expertise:
    • Foundations for Stadiums, Arenas, High-Rise Structures in Urban Areas
    • Embankment and Dam Stability
    • Large-scale Land and Waterfront / Marine Structures and Development
    • Shallow and Deep Foundation Systems
    • Soft and Hard Rock Treatment
    • Earthwork
    • Ground Improvement of Waste Fills
    • Temporary and Permanent Lateral Support Systems for Deep Excavations
    • Geotechnical Instrumentation and Vibration Monitoring
    • Construction Dewatering
    View Rudolph Frizzi's Consulting Profile.
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    Chuck Dutill, PE, DFE
    Expert Witness | Principal Consultant
    1240 West Chester Pike, Suite 213
    West Chester PA 19382
    USA
    phone: 610-701-5650
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    For over 35 years, Chuck Dutill, P.E., D.F.E., has been performing Hydrology and Environmental Engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality.

    Litigation Support - Mr. Dutill has spent approximately 25% of his professional time providing expert witness services for over 35 years. Approximately 50% of his expert witness services have been for defendants and about 50% for plaintiffs.

    He has issued 115 to 120 expert reports, been deposed approximately 35 to 40 times, and testified in federal and state court (including jury and non-jury trials) approximately 25 to 30 times. Forensic cases have occurred in more than 30 states. As indicated in feedback from attorneys on expert witness cases, some of his strengths include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance with framing case issues.

    Expertise:
    • Hydrology
    • Flooding
    • Wastewater Treatment
    • Septic Systems
    • Sewer Systems
    • Sanitary Sewage
    • Groundwater
    • Stormwater Management
    • Drainage
    • Runoff
    • Water Mains
    • Backups
    • Mold
    • Wells
    • Hydrogeology
    • Storm Sewers
    • Hydraulics
    • Erosion
    • Drinking Water
    • Air Quality
    • Water Quality
    • Detention
    • Maintenance
    • Construction
    • Operations
    • Design
    • Inspections
    • Floodplains
    • Contamination
    • Toxicity
    • Hazardous Waste
    • Spills
    • Grading
    • Remediation
    • Pollution
    • Sinkholes
    • Health and Safety
    • Pumping
    • Modeling
    • Odors
    • Soils
    • Dams
    • Regulations
    • Combined Sewers
    • Overflows
    • Aquifers
    • Water Distribution
    • Water Treatment
    • Hydraulic Fracturing
    • Standard of Care
    • Sedimentation
    • Hydroplaning
    • Wetlands
    • Landfills
    • Monitoring
    • Infiltration/Inflow
    • Metering
    CV Available Upon Request

    View Mr. Dutill's Consulting Profile.
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    Ray G. Helmer, P.E.
    Principal
    9314 Bankside Drive
    Houston TX 77031-1713
    USA
    phone: 713-777-7611
    fax: 713-774-6881
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    Ray Helmer is a Licensed Professional Engineer in the states of Texas, Oklahoma, Alabama, Ohio and Kansas. He is available to perform Expert Witness Services in all 50 states.

    Ray Helmer has acted as an Expert Witness and as a consultant to both plaintiffs and defendants and their representing counsel in the resolution of numerous cases. He has been called as a consultant in cases involving insurance companies, utility companies, state highway departments, railroad companies, private companies, and land and commercial developers.

    As an Expert Witness/Consultant, Mr. Helmer enjoys a reputation for his rigorous attention to detail and professional expertise. He spends a considerable amount of time inspecting the sites where the alleged instances occurred, taking photographs, preparing detailed surveys, and reports, reviewing witnesses' statements and depositions, and using his professional knowledge and expertise to provide accurate and impartial assessments.

    Areas of Expertise:
  • Civil, Structural and Forensic engineering
  • Highway engineering, roadways, sight distance
  • Concrete and Asphalt Pavements
  • Highway / Street lighting
  • Traffic engineering, signals, signs, striping
  • Traffic noise studies
  • Accidents – automobile, train, motorcycle, pedestrian
  • Traffic accident testimony involving city / County / State DOTS
  • Hydraulics, hydrology, drainage, flooding
  • Sanitary engineering, sewers, overflows
  • Water treatment, distribution, pumping
  • Water disinfection byproducts (DBPs)
  • Wastewater treatment plants, lift stations
  • Soil expansion, contraction, settlement
  • Foundation failure, structural damage
  • Plumbing, leaks, water intrusion
  • Airports, FAA standards, runways, taxi ways, ramps
  • Bridges, buildings, corrosion, concrete cracking
  • Construction defects, fraud, accidents, delays, estimates
  • Hydroplaning is frequently alleged to be a cause of vehicular traffic accidents. This is because many persons, even law enforcement personnel, may not know the technical definition and criteria for hydroplaning.

    Many vehicular accidents happen because drivers are in too much of a hurry or they are distracted by any number of things. They just are not paying close enough attention to their surroundings. Traffic accidents at signalized intersections are common where both drivers claim the other driver is at fault.

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    Ed Garbin, PhD, PE, DGE
    President, Principal Engineer
    140 Island Way, #168
    Clearwater Beach FL 33767
    USA
    phone: 844-443-6362
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    Ed Garbin Geostructural Engineering Expert PhotoEd Garbin, PhD, PE, DGE has over 30 years of Construction experience, including residential and commercial / heavy-civil development. For the last 14 years, he has specialized in Heavy Civil Geotechnical and Geo-structural Engineering and Construction. Dr. Garbin also has over a decade of sinkhole-related experience in Florida karst.

    Background - A Licensed Professional Engineer in nine states, Dr. Garbin maintains Board-certified status as a Diplomate, Geotechnical Engineering through ASCE’s Academy of Geo-Professionals. He comes from a family of builders, architects, and engineers. Dr. Garbin has been involved with construction for most of his life, having amassed over three decades of diverse experience in commercial and residential construction, civil-geotechnical engineering, and academia. He is the President and Founder of Garbin GeoStructural Group, LLC.

    Dr. Garbin attended the University of South Florida in Tampa, earning degrees in Structural Engineering (B.S.) and Geotechnical Engineering (M.S., Ph.D.). While at USF, he taught courses in both structural and geotechnical engineering, and remained an Adjunct Professor until 2007. Dr. Garbin worked for both Applied Foundation Testing and Universal Engineering Sciences in Tampa, FL. In 2007, he joined Hayward Baker as their Southern Region’s Chief Engineer, responsible for specialty geotechnical and geo-structural projects in the Southeastern U.S., the Caribbean, and Central America. Two of his projects won "Project of the Year" awards. Dr. Garbin joined Earth Tech in 2015, serving as Vice President of Engineering for nearly three years.

    Litigation Support - An expert in his field, Dr. Garbin offers subject matter expertise and litigation support in civil / geo-structural engineering and construction, as well as continuing education for engineers and architects. He provides consultation and expert witness services to contractors, engineers, architects, developers, and lawyers involved in residential or commercial construction. Dr. Garbin's services include pre and post construction services, as well as litigation support, particularly for "sinkhole" and "changed conditions" claims.

    Areas of Technical Expertise:
    • Heavy Civil Engineering Design and Construction
    • Ground Improvement for Weak Soils and Karst
    • Earth Retention
    • Shallow and Deep Foundation Systems
    • Sinkhole Remediation
    • Soil-Structure Interaction
    • Ground Improvement / Modification System
    • Geo-structural Instrumentation and Data Acquisition
    • Marine Environment Soft Soils / Shallow Groundwater
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    Design, Analysis, Expert, Trial, Forensic Witness
    Counties of Westchester, Rockland, Queens, Putnam
    Dutchess, Orange, Ulster, Nassau, Suffolk, Bronx, Statin Island
    Richmond & Brooklyn / Kings County Long Island / NY City / Manhattan / White Plains
    Shrub Oak NY 10588
    USA
    phone: 914-245-6320
    fax: 914-245-6335
    Vincent A. Ettari, P.E., P.C. specializes in many fields of Civil, Structural, Site, Coastal, Safety & Environmental Engineering, including the Design & Analysis of:

    • Structures, Buildings, Houses, Dwellings
    • Foundations, Footings, Elevators, Retaining Walls, Dams
    • Development Plan & Plats for Sites, Properties, and Residences
    • Underground & Subsurface Chamber / Chambers
    • Scaffold, Scaffolds, Scaffolding
    • Site Plans & Subdivisions: Industrial, Commercial, Residential
    • Roads, Roadways, Ramps, Walks, & Man Hole Cover / Covers
    • Sidewalks, Walkways, Paths & Pathways
    • Lighting: Lamps, Lights, Lamp Poles, Light Levels
    • Luminaries & Illumination (Specifications)
    • Rock Cuts & Blasting (Topography, Specification)
    • Soil Slopes / Samples / Mechanics / Geotechnical Engineers
    • Sanitary Facilities, Septic Systems (Board of Health Septics Approval)
    • BOHA / DEP Approvals
    • Water, Drains, Drainage, Sewer & Sewage Lines & Mains
    • Culvert / Culverts, Manholes (Man Holes) & Catchbasins / Catch Basins
    • Inspection, Supervision, and Certification of Construction
    • House Inspector & Inspections
    • Road, Roadway, Walk & Sidewalk Premises Liability (e.g., Steep Slope)
    • Walkway, Path, Ramp & Pathway Premise Liability (e.g., Steep Grade)
    • Coefficient of Friction / Slip & Fall (Snowy & Icy Conditions)
    • Vertical Discontinuity / Discontinuities / Trip & Falls
    • Small Ports / Port, Marinas / Marina, Marine Dredging
    • Levees, Jetties, Dolphins, Piers, Sea & Flood Walls
    • Wharves, Breakwaters, Bulkheads, Weirs, & Revetments
    • Groins, Dikes and Waterfront Structures
    • Drainage Basin Analysis, Rainfall, Floods & Flood Plain / Plains
    • Flooding Controls & Control Devices
    • Storm Water Runoff (10, 25, 50 & 100 Year Storms)
    • Pressure & Pressures: Wind, Wave / Waves, Ice, Snow
    • Rain Fall Run Off & Storm Water Pollution Treatment
    • Excavation, Grading, Fills & Filling Operations (Swales, Berms, Silt Fence)
    • Erosion Control, Sediment Barriers, Sedimentation / Catch Basins (Hay Bales)
    • Pumps and Pump System Line & Main
    • Slope, Dam, Levee, Jetty, Dolphin, Pier, Wharf & Breakwater Collapse
    • Bulkhead, Weir, Revetment, Groin, Dike, Footing & Foundation Failures
    • Failure of Fire Containment Wall, Elevator or Water Front Structure
    • Tenement House Façade Collapses
    • Code History of Existing Multiple / Multi-Family Dwelling / Building
    • Application of Municipal Building, Fire & Property Maintenance Codes
    • City, Town & Village Zoning, Planning, Steep Sl
    3/23/2009 · Engineering
    In many places of NYS, public water supply systems are available. If your site is situated in such a location, then the lots which will result from your contemplated subdivision will be required to draw their water supply from the municipal water system

    3/5/2009 · Construction
    As you enter into a contract to buy a piece of commercial or industrial property, you should always keep in mind that your new town and county have rules which you must abide by. With regard to the exterior areas of your premises, there are rules concerning your septic system, the maintenance of your building, the addition onto your structure, etc

    12/28/2006 · Construction
    In developing a vacant piece of land, steep slopes are often an issue. And, the more prevalent the steep slopes are on a site, the greater the likelihood that retaining walls will be part of the Approved Site Plan. Let us consider three municipalities which regulate the final allowable slopes for land which is filled, cut, or graded

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    James R. Drebelbis, AIA, PE
    2909 Cole Ave
    Suite 100
    Dallas TX 75204
    USA
    phone: 214-468-8118
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    Drebelbis Engineering is an Architectural and Engineering firm specializing in Forensic Engineering. Their combined background in architecture, engineering, and business make Drebelbis Engineering uniquely qualified to address the complexities found in forensic engineering assignments.

    A Dallas-based company founded in 1996, their focus is structural, architectural and civil engineering as applied to buildings and site systems. They bring technical engineering knowledge, testimony, and remedy when construction fails to perform and when construction processes derail.

    Principal, James R. Drebelbis, AIA, PE, is an Architect and Structural Engineer with over 40 years of experience in all phases of building construction and performance, project management, and producing documents for building construction (drawings, specifications, change orders).

    Litigation Support - Mr. Drebelbis specializes in Forensic Engineering for attorneys and insurance companies. His understanding of building types and construction systems includes site construction and earth retaining structures as well as residential, commercial, manufacturing, and institutional buildings.

    Mr. Drebelbis is retained for Cause and Origin of Structural Failures and disputes about construction performance that often emphasize the obvious (leaks, cracks, collapses). His expertise is available to attorneys representing both Plaintiff and Defendant. Services include engineering investigation, documentation, testimony, and preparation of Certificates of Merit.

    Education/Licenses: - BS Arch. Engineering, MBA, Professional Engineer (Texas, Alabama, Kansas, Oklahoma, Louisiana, New Mexico), Architect (Texas)

    Areas of Technical Experience and Expertise:
    • Construction Technology
    • Building Codes
    • Forensic Engineering
    • Fire, Weather, Disaster Related Damage
    • Roofing & Waterproofing Systems
    • Water and Moisture Intrusion
    • Stair Construction
    • Performance of Building Materials
    • Retaining Structures
    • Application of Building Materials
  • Selection of Building Materials
  • Structural Engineering
  • Site and Building Drainage
  • Foundation Design
  • Soil Behavior
  • Concrete Workmanship and Design
  • Contract Documents
  • Professional Ethics
  • Slip, Trip, Fall
  • Corrective Construction
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    Environmental Advisors
    30445 Northwestern Highway, Suite 260
    Farmington Hills MI 48334
    USA
    phone: 248-932-0228
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    Dragun Corporation is an industry leader in Environmental Regulatory Issues and Consulting for clients across North America and internationally. From manufacturing and real estate to chemical companies and livestock agriculture and municipalities.At Dragun, science, engineering, and decades of expertise converge through in-depth critical analysis, conceptualized approaches, and technical application. The result is an environmental site assessment, remediation, compliance assessment, or expert services support that helps clients in diverse industries.

    Litigation Support - Dragun Corporation has built its litigation services on a foundation of critical analysis and forensic science that thoughtfully considers each aspect of the environmental issue. They review the existing data, collect new data when necessary, challenge interpretations, and ask the questions no one else has.

    With more than 100 litigation support projects completed, Dragun is ready to assist you. They are experts in site characterization, assessment, remediation, regulatory compliance, and risk-based closures.

    Areas of Expertise:
    • Environmental Engineering
    • Environmental Remediation
    • Chemical Fate and Transport
  • Environmental Isotopes
  • Geology
  • Hydrogeology
  • Michael Sklash Hydrogeology Expert PhotoMichael Sklash, PhD, PEng, Senior Hydrogeologist at Dragun Corporation, has over 40 years of experience in solving complex Groundwater Problems. Dr. Sklash uses a wide range of tools including environmental isotope tracing, high resolution site characterization, and groundwater modeling to develop robust conceptual site models for site remediation, and litigation purposes.

    Dr. Sklash's research from the 1970s through the 1990s led him to become world renown in his field of Isotope Hydrogeology. It is now a keystone in the understanding of how groundwater interacts with streams, and his publications are frequently termed “bench mark.” During his academic days, Dr. Sklash was a visiting scientist in many places around the world, including: New Zealand, Australia, England, China, India, and Africa. He was a consultant to the USEPA and Atomic Energy Canada Limited, among others.

    Dr. Sklash uses his skills to untangle complex, and often confusing, groundwater problems and put them in “order” so a remedial plan becomes obvious or a Court can see the way. He has led the technical team on many of Dragun’s most challenging projects, including: the groundwater nexus issue in a wetlands dispute that went to the U.S. Supreme Court (Rapanos); avoiding expensive remediation at a complex TCE-impacted site in Michigan acquired by the Norwegian global aluminum manufacturing company Norsk Hydro; and recently successfully challenging the remediation plan of the US Army Corps of Engineers at a Cold War legacy site in Kansas. Mike has also helped many attorneys, local entrepreneurs, and municipalities with their environmental problems.

    Expertise: Groundwater modeling, environmental isotope tracing, and other techniques required to characterize a site so that the best remedial option can be implemented.

    Matthew Schroeder Environmental Engineering Expert PhotoMatthew C. Schroeder, MS, PE, Senior Environmental Engineer at Dragun is a registered Professional Engineer in six states. Mr. Schroeder has over 20 years of experience in environmental remediation at industrial sites, municipal and industrial landfills, and former military operations, and environmental compliance for industrial, municipal, and commercial clients. He has managed projects in over thirty states and provinces in the United States and Canada.

    Mr. Schroeder's training at one of the finest engineering universities in the United States formed the basis for his uncompromising, thorough, and thoughtful approach to projects. His “no stone unturned” philosophy to each and every project is expected of environmental engineers, but not always delivered. Mr. Schroeder's experience includes time spent performing field investigations, inspecting landfills, and observing both simple and complex tank removals and site remediation efforts. Over the last two decades, he has developed a unique ability to integrate complex soil and groundwater data to perform feasibility studies and design and implement remediation. Matt has extensive experience in assessment and remediation of chemicals associated with vapor intrusion (TCE, PERC, etc...). He also has designed groundwater remediation to address PFAS. Matt has published in international, scientific, and legal journals.

    With a keen eye toward detail and a customer-centric focus, Mr. Schroeder has won the admiration and appreciation of several long-term clients. He has assisted them with site closures, solved their environmental permitting and planning issues, counseled them on delisting petitions, represented them in regulatory negotiations and in court, and provided soil and groundwater remediation solutions.

    Expertise: Soil and groundwater remediation, closure of above ground and underground storage tanks, groundwater modeling, environmental compliance, vapor intrusion evaluation, preparation of feasibility studies.

    Jeffrey Bolin Hazardous Waste Expert PhotoJeffrey A. Bolin, MS, CHMM, Sr. Vice President of Technical Operations at Dragun, has a Masters of Science in Hazardous Waste Management and is a Certified Hazardous Waste Manager. His clients have sought his expertise and advice on sites across the United States, Canada, South America, and Europe.

    Mr. Bolin's hands-on experience and education, specific to the environmental sciences provide him with a solid perspective on environmental issues. His equanimity complements his Masters of Science degree in hazardous waste management. As a Certified Hazardous Materials Manager (CHMM), he is knowledgeable in Environmental Regulations and has successfully assisted clients during negotiation with the United States Environmental Protection Agency (USEPA) and state regulatory agencies.

    Mr. Bolin's experience traverses the modern environmental compliance field. As the laws and regulations were being developed and implemented, he spent time collecting hazardous waste samples for the Resource Conservation and Recovery Act, water samples for the Clean Water Act, and PCB samples for the Toxic Substance Control Act. His assessment of commercial industrial properties across North America pre-date the environmental due diligence framework. It was Mr. Bolin's insightful approach to environmental due diligence that earned him recognition as an “Elite” provider of services by a real estate publication.

    Mr. Bolin is routinely asked to share his knowledge by teaching other professionals at seminars, and he was previously a an adjunct professor. He has also published articles in a number of trade journals on environmental due diligence, vapor intrusion, conceptual site models, and more.

    Expertise: Management of site investigations, environmental due diligence, environmental compliance, remedial investigation, and remediation, merger & acquisitions, divestitures, and assessment of current and future environmental liability.

    View Dragun Corporation's Consulting Profile.
    7/11/2018
    "Michigan Environmental Experts Teach Malaysian Petrochemical Company"
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    Donald H. Godi, FASLA, PLA, RCA #444, TRAQ
    Consulting Arborist, Licensed Landscape Architect
    13260 Willow Ln.
    Golden CO 80401-3543
    USA
    phone: 303-989-2853
    fax: 303-989-2854
    Landscape Architects and Arborists Since 1970, Donald H. Godi & Associates, Inc. has been providing expedient service with excellent technology. Their services include landscape evaluations and plant appraisals, standards of the industry determinations, and litigation support for public and private clients throughout the Rocky Mountain Region and beyond.

    Donald H. Godi, FASLA, PLA, RCA #444, Consulting Arborist, Licensed Landscape Architect, and firm Principal, has chosen to apply the unique talents acquired through training and experience to a concentration on landscape evaluations, tree and landscape appraisals and litigation support services. Skills developed over decades of design and construction implementation, horticulture applications, and the training acquired through the American Society of Consulting Arborists (ASCA) consulting academy have combined to create unparalleled abilities in evaluation support as a consulting arborist. As a licensed landscape architect in Colorado (#6) and multiple states, and a Registered Consulting Arborist (#444), Don Godi is the only such consultant in Colorado and 16 surrounding states.

    Mr. Godi provides Expert Witness and Litigation Services to attorneys for both Plaintiffs and Defendants. He is available for:
    • Dispute resolution
    • Cost Estimates
    • Work Standards
    • Plant Evaluations / Appraisals
    • Plan / Specification Review
    • Forensic Data Analysis
    View Donald Godi's Consulting Profile.
    Donald H. Godi, FASLA, RCA, et al
    A new reference manual useful to students and professionals in the Green Industries. It is full of useful bits of reference material in 11 sections - a handy-sized 300 page manual with data useful in design, construction and training within the Green Industries.
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