Hydrogeology / Geohydrology Consultants: 3

Dr. James J. Connors is a certified Professional Hydrologist and a licensed Professional Geoscientist with more than 38 years of experience. He has worked across the U.S. and in New Zealand on hydrological, hydrogeological, and environmental consulting projects / cases. Dr. Connors has also taught university-level hydrology and hydrogeology, received several awards for his professional and teaching / academic service activities, and been designated as an expert witness in more that 50 cases.  

His clients have included private citizens, attorneys, insurance companies, consulting firms, government agencies, & public / private companies. He has worked on sites contaminated with PFAS compounds, PCBs, benzene / BTEX, metals, chlorinated solvents, mercury, arsenic, nutrients, pesticides / nerve agents, herbicides, radiation, VOCs / SVOCs, disinfectants & related by-products, landfill leachate, crude oil & brine, fuel, explosives, unexploded ordinance, etc. His work has been at various facilities including oil, gas, & gasoline pipelines; landfills; chemical plants; leaking above-ground tanks & UST sites; refineries; fertilizer plants, casinos; neighborhoods & apartment / housing complexes; junk yards; theme parks; bottled water plants; agricultural & animal facilities (oyster, fish, alligator, & dairy / CAFO); construction sites; estuaries & bays; commercial & residential properties; beaches, rivers, ponds, & lakes; oil & gas fields; accident sites; railroad facilities; airports; water & sewage treatment plants; chemical & oil spill sites; military bases; & others.

Dr. Connors' hydrology consulting services include:

• Contamination Assessments/Investigations
• Stormwater Inspections & Management (BMPs)
• Groundwater Modeling & Statistical Analysis
• Contract Research into Environmental Issues
• Presentations to the Public & Regulatory Agencies

View Dr. James J. Connors' Expert Witness Profile

For over 45 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, hydrology, hydraulics, drinking water, mold, erosion, and air quality. The hydrology, civil engineering, and environmental engineering work of Mr. Dutill has been heavily concentrated in:

• Provision of expert witness services, including investigation, analysis, consultation
• Analysis of regulations, including concerning compliance and enforcement
• Evaluation of monitoring requirements
• Development of engineering feasibility studies and facility plans
• Acquisition of permits with appropriate requirements and fees
• Provision of project cost advice

Mr. Dutill also has significant engineering experience in the areas of design, construction management, operation and maintenance assistance, and community acceptance. He serves as a civil engineer, environmental engineer, and hydrologist on a consulting basis for private, institutional, and governmental clients. 

Expertise:

CV Available Upon Request View Mr. Dutill's Expert Witness Profile.

Rudolph P. Frizzi, PE, GE, D.GE is a Civil Engineer with over 25 years of extensive practical Foundation and Geotechnical Engineering experience. His geotechnical Engineering and project management experience is extensive with particular emphasis on: foundation design and construction in urban areas and large scale land and waterfront public and private development projects throughout the United States and internationally. Mr. Frizzi has interacted on projects located in practically every continent world-wide.

Consulting Services Include:

• Sub-surface Investigations
• Foundation Design
• Seismic Analysis and Numerical Modeling
• Earth Retaining Structures, Excavation Support, Underpinning Design
• Ground Improvement and Soil / Rock Slope Stabilization
• Tunneling, Underground, and Trenchless Construction
• Waterfront Design and Marine Engineering
• Temporary and Permanent Groundwater Control
• Controlled Inspection and Instrumentation Monitoring During Construction

Mr. Frizzi has obtained extensive field, office supervision, project management, and forensic 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 field inspection which has contributed to his practical approach to geotechnical problem solving. Selected Projects:

• One57 - 1,005 feet tall, 5-star, 210 room Park Hyatt Hotel and 95 premium condominiums and residences. Performed geotechnical and environmental engineering investigations, and provided foundation recommendations to support the proposed tower on spread footings supported on rock
• Farmer's Field Event Center - geotechnical and environmental engineer for this highly anticipated 1,700,000-square-foot state-of-the-art sports stadium, entertainment venue, and premier convention center that will bring the NFL back to Los Angeles

View Rudolph Frizzi's Expert Witness Profile.