Hydrology Expert Witnesses: 4

Mayotte Design & Engineering, PC (MD&E) is a Civil and Environmental Engineering Design Firm based in East Lansing, Michigan.  Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries.  MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment, and air.

MD&E personnel assist clientele across the US and have completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mexico.

Timothy J. Mayotte, PhD, CPG, PE, President at MD&E, is an Environmental Engineer with over 35 years of experience in his field. He has provided litigation support and served as an expert witness on over a dozen cases dating back to the mid-1980s. Dr. Mayotte's experience includes providing testimony during numerous depositions and in open court. He has offered expertise in the following areas:

• Hydrodynamics of natural and engineered systems.
• Contaminant fate and transport in the environment.
• Biological and physicochemical process design for the treatment/remediation of water, wastewater, soil, and sludge.
• Industrial wastewater treatment.
• Management and inspection of commercial and residential construction and demolition projects, including due diligence services for property transactions.

GEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater Pollution and Data Analysis, Forensic Geology and Geophysics, Hydrology Modeling, and Forensic Meteorology including Weather Event Re-Construction and Force Majeure cases. GEO Associates can assist attorneys and insurance claim professionals in obtaining, analyzing, modeling, and interpreting the correct geophysical/geological and meteorological data for their case.

GEO Associates uses the latest approved Regulatory EPA and USGS numerical modeling software to map the concentration levels and transport of air and groundwater pollutants. GEO Associates numerical modeling expertise, combined with their advanced knowledge of meteorological, geophysical and geological data gathering and processing, provides strong support to the attorney and client for cases involving Air Pollution, Reduced Visibility, Severe Storms, Groundwater Contamination, Flooding, Wind Damage and Hazardous Material Spills and Releases to Air and/or Water, which result in accidents, contamination of aquifers, toxic air, property damage, personal injury and death.

Services Include:

Forensic Geology

Industrial Groundwater Pollution

Toxic Tort Strategy

Environmental Surface and Groundwater Pollution

Mapping of Surface and Groundwater Contamination

Forensic Hydrology

Groundwater Computer Modeling

Aquifer Systems Analysis

Hazardous Spill Releases

Geological and Geophysical Data Acquisition, Processing and Analysis

Geological and Geophysical Mapping of Reservoirs

Observational Field Programs

Reflection and Refraction Seismology

Forensic Seismology

Seismic Investigations

Oil and Gas Operations and Operator Performance

Marine and Land Seismic Operations

Value Analysis of Proprietary Geophysical and Geological Data

2D and 3D Reflection Seismology Modeling and Analysis

Fluid Dynamics and Reservoir Analysis

Toxic Fluid Migration

Class Action and Force Majeure Cases

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 Slopes & Grades, Wetland & Wetlands Ordinances
• Testimony at Board Meetings as a Design Forensics Engineer

Thomas J. Young, PE, has over 39 years of experience in national and international Transportation Construction, the Civil Engineering specialty regarding highways, bridges, rail, airports, harbors, and associated infrastructure.

Mr. Young is a skilled integrator of the parameters of program and project life cycles, leadership, management, business operations, engineering and construction. He has extensive knowledge of regulatory compliance, environmental processes, industry standards, best practices, and field operations in urban and remote areas.

Mr. Young has broad construction management and design background for many of the knowledge and skill areas required in mining operations, bridges, highways, land development, major soil/structure type facilities, land survey, and construction surveying, including work in Arctic facilities and in desert regions.

Selected Background Experience:

• Completed 34 bridge structure designs, seismic retrofits, and special studies, including large cut and cover tunnels and numerous other complex structures for the $700 million design/build Eastern Transportation Corridor toll roads in Orange County, California
• Bridge construction oversight on $1 billion Cypress Corridor reconstruction in Oakland, California. 
• $10 million Sunrise/Highway 50, and $40-$50 million Douglas/Interstate 80 Interchange and Corridor designs in Sacramento, California.
• Bridge and highway project development duties in Caltrans Districts 1-5, 7, 10-12.

Thomas J. Young: PowerTeam Interview

Litigation Support - Mr. Young can act as an expert witness in all cases related to Forensic Transportation Construction Engineering. A persuasive communicator skilled at negotiating successful outcomes to complex situations, his expertise at analysis, problem solving, and bringing parties together in the public and private sectors is an asset in his performance in forensic engineering and expert witness testimony.

Areas of Expertise:

ADA Violations Architecture Bridges Building Codes Civil Engineering Construction Accidents Construction Claims Construction Defects Construction Failure Analysis Construction Injuries Construction Safety / OSHA Cost Estimating / Overruns Design Codes Design Engineering Drainage Driving Human Factors Engineering Quality Assurance Fall Protection Forensic Engineering Investigation Geotechnical Engineering Highway Engineering

Highway Safety Hydraulics and Drainage Hydrology Industrial Facilities  Land Development Land Surveying Landscape Architecture Management Professional Responsibility Public Works Sewers Signage Strategic Planning Structural Engineering Structural Engineering  Failures Surveys Temporary Structures Traffic Safety Transportation Transportation Construction

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