Hydrogeology / Geohydrology Expert Witnesses

Michelle Macauley is a Geotechnical Engineer and Trenchless Expert that specializes in aspects of new installation and rehabilitation projects for infrastructure replacement, improvement, and capacity enhancement using trenchless technologies. She has spent over 21 years in the Pacific Northwest, with a particular emphasis on geotechnical engineering, trenchless design, and involvement in the water / wastewater industry. 

Background Experience: Prior to starting Macauley Trenchless, Ms. Macauley was the National Trenchless Practice Lead for Jacobs Engineering and oversaw multiple trenchless projects across the company. Prior to working at Jacobs, she was a senior geotechnical engineer specializing in trenchless design and construction with GeoEngineers and Staheli Trenchless Consultants. 

In addition to her extensive project experience, she has been active in trenchless technologies at a national level.  She is currently serving on the Board of Directors for the North American Society for Trenchless Technology (NASTT) and is a regular presenter at NASTT's national trenchless conference (No-Dig). She is an active member of ASCE and serves on the Trenchless Installation of Pipes (TIPs) subcommittee, is helping re-write the Manual of Practice (MoP) on Pipe Ramming, is helping write the new MoP on Direct Pipe, and has consulted on other MoPs.

Litigation Supoprt: Ms. Macauley provides expert witness services to attorneys representing plainitff and defendant. Her services include deposition, mediation, and trial. She is a professional Civil Engineer in Washington, Alaska, California, Oregon, Texas, amd a Licensed Engineering Geologist in Washington.

Areas of Expertise: 

Horizontal Directional Drilling Microtunneling Pipejacking Pipe Ramming

Direct Pipe Guided Auger Boring Pipe Bursting Pilot Tube Microtunneling

Education:

• M.S., Geological Engineering, University of Alaska, Fairbanks, 1996
• B.S., Geological Sciences, University of Washington, 1994

View Michelle Macauley's Consulting Profile.

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.

David G. Koger is a Remote Sensing Image Analysis expert with over 40 years of experience in the field. A Vietnam Era Marine Corps veteran, he configured and operates a state-of-the-art remote sensing image analysis and geographic information system and consults on various remote sensing applications.  Background Experience - Mr. Koger was an early researcher and developer of Satellite Data Applications. He installed analog and digital image analysis workstations and trained users in defense, major oil, and academia in Panama, Ecuador, Chile, Australia, Germany, France, Italy, Africa and the U.S. His clients include the Department of Energy, National Cancer Institute, American Farm Bureau, broadcast journalism, law firms, and several hundred oil and gas explorationists.

In 2007, Mr. Koger conducted a study to map regional geomorphic features for all of Nebraska. Since that time, ten earthquakes of 3.0 and above on the Richter scale have coincided with features mapped. Using Digital Airborne Platforms, he has studied huge areas around the globe.  

In his unique line of work, Mr. Koger has performed forensics film analysis, searched for Noah's Ark, and analyzed images of the Shroud of Turin and the underwater video that found the Titanic.  

Litigation Support - Mr. Koger offers Forensic Digital Image Analysis of remotely sensed, aerial photo (digital or film), and underwater video. His services include forensics, time-series studies, and documentation of surface damages, wildfires, material movements. Expert witness strategies and research methodologies are available to attorneys representing plaintiff and defendant. 

Remote Sensing Environmental Activity and History Superfund / Industrial Damage Underwater Video Surface Damages Hazardous Waste Wildfire Origin / Wildfire Movement Erosion / Soil Loss Land Access and Boundary Disputes

Basement Fault Mapping Earthquake Prediction and Evaluation Landslide Prediction and Evaluation Photogrammetry Airphoto Image Analysis (Digital, Scanner, Film) Time-Series Habitat Mapping Oil / Gas / Mineral / Water Exploration Buried Treasure / Submerged Treasure

View David G. Koger's Consulting Profile.

For over 40 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 30% of his professional time providing expert witness services for over 40 years. Approximately 45 to 50% of his expert witness services have been for defendants and about 50 to 55% for plaintiffs. He has issued 140 to 145 expert reports, been deposed approximately 40 to 45 times, and testified in federal and state court (including jury and non-jury trials) approximately 30 to 35 times. Forensic cases have occurred in approximately 35 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 Sewer Water Flooding  Groundwater  Hydrogeology  Drainage  Wastewater Treatment Septic Systems Utility Sewer Systems  Sanitary Sewage  Mold  Stormwater Management  Hydraulics  Hazardous Waste  Drinking Water Waste Management

Erosion Soils  Pumping  Water Quality  Air Quality  Wells  Runoff Backups  Water Mains Storm Sewers  Detention  Contamination  Spills  Pollution  Sinkholes  Sedimentation  Wetlands  Infiltration/Inflow  Dams  Floodplains

Toxicity  Remediation  Grading  Health and Safety Modeling  Odors  Combined Sewers  Overflows  Aquifers  Water Distribution Water Treatment Hydraulic Fracturing  Hydroplaning  Monitoring  Metering Maintenance  Design Construction  Inspections

CV Available Upon Request View Mr. Dutill's Consulting Profile.

James A. Jacobs, PG, CHG, CPG, has over 30 years of experience as a Geologist / Hydrogeologist and licensed contractor focused on answering geologic, environmental impairment, and forensic questions. He is a certified hydrogeologist in California and Washington and a Professional Geologist in California and several other states.

A Fulbright Senior Scholar with 4 awards in environmental engineering and science, his projects relate to collecting, describing, and analyzing Soil, Rock, Groundwater, Vapor, and Stormwater samples, summarizing the data and creating useful technical information and cost recovery statements for decision makers or settlements. His other projects relate to peer review and contractor evaluation projects.

Mr. Jacobs has provided litigation services in the investigation and analysis of cases involving contamination by hydrocarbon and solvent spills and leaks, erosion, flooding, and related issues. He has provided testimony assisting with many settlement conferences. Mr. Jacobs is qualified to testify in municipal, state, and Federal courts.

Litigation Support and Expert Witness:

• Perform litigation and technical support for various environmental and engineering cases from evaluating remediation history to well damage to erosion control
• Estimate reasonable and necessary remedial costs for settlement conferences
• Serve as an objective peer reviewer
• Expert witness testimony on environmental cases

Since 2002, Mr. Jacobs has been an elected director of two public agencies, a local sewer district, and a community services district. As such he is interested in I&I issues and sewer gas and volatile contaminant vapor intrusion into indoor air spaces via ineffective vapor seals on fixtures or dry P-traps in buildings. He performs cost allocations for environmental litigation, and also provides oil and gas production verification.

View James Jacobs' Consulting Profile.

David Wilshaw, MS, PG has over 35 years of experience in Engineering Geology, Geotechnics, Engineering Geophysics, Hydrogeology and Geoenvironmental Assessments. Since 2012, his company Britannia Solutions LLC has continuously provided expert geological opinions to insurance carriers, private individuals, corporations and their respective legal advisers. Mr. Wilshaw offers services as a Professional Geologist and expert witness with respect to disputed sinkhole insurance claims and many other specialized areas of engineering geology, including Ground Collapse, Slope Failures, Underground Mining Subsidence and the Adequacy of Ground Investigations in relation to claims under construction contracts. David Wilshaw has been a certified Neutral Evaluator under §627.7074 F.S. since 2011. He is licensed as a Professional Geologist in Florida, Pennsylvania and Tennessee and is registered as a Chartered Geologist (Geological Society of London) in the United Kingdom. He is also owner and President of Integrity Drilling & Geophysical Services, LLC (www.idgsfl.com), a company he established in 2013 providing geotechnical drilling, soil testing and geophysical services throughout Florida and the SE USA. In 2019 he was instrumental in relocating Ground Stiffness Surveys Ltd from the UK to Florida and is President of its successor company Ground Stiffness Surveys LLC (www.groundstiffnesssurveys.com). He is a frequent contributor to local, national and international media (TV, radio, print). Download full resume here:David Wilshaw - CV.pdf

Litigation Services Include:

• Testifying Expert at Deposition over 150 times.
• Testifying Expert at Trial over 40 times.
• Neutral Evaluation of over 150 Disputed Sinkhole Insurance Claims in accordance with Section 627.7074 Florida Statutes
• Peer review and expert opinion to defense and plaintiff attorneys on over 3,000 disputed claims for sinkhole loss

View Consulting Profile.