Staff - Seismic Surveys, LLC - Ground Vibration & Sound Pressure Monitoring for Engineering, Construction, Mining, Demolition & Explosives Industries

Patrick T. Hastings, Jr., P.G.

Patrick T. Hastings, Jr., P.G. President/Principal Geologist

Mr. Hastings has over 20 years of experience in the field of Geophysics and Construction Management. He holds an undergraduate degree from the University of Michigan and a graduate degree from the University of Minnesota. Since joining SSI he has worked on multiple projects specializing in vibration monitoring and pre-construction surveys. Mr. Hastings has received formal training in conducting pre-condition surveys and seismic monitoring through SSI’s in-house training program and is a certified pre-blast surveyor in West Virginia. Mr. Hastings is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of construction activity and blasting, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.

Eric B. Rehwoldt, P.E., P.G.

Eric B. Rehwoldt, P.E., P.G. Vice President of Engineering/Principal Engineer

Mr. Rehwoldt is a licensed Professional Engineer in 12 states and a registered Professional Geologist. He has over 30 years of professional engineering experience. He earned his Bachelor of Science in Geology from the University of California, Los Angeles in 1985 and his Master of Science in Geological Engineering from the University of Nevada at Reno in 1989. Eric’s geotechnical, geological, geostructural, geophysical, seismic ground response, and geo-environmental project engineering experience spans the East and West coasts of the United States, and more than 50 countries. His technical specialties include structural condition inspections, foundation design and construction, rock slope engineering, karst studies, geotechnical earthquake engineering, and slope stability analysis and stabilization. Mr. Rehwoldt is in responsible charge of engineering services for Seismic Surveys, LLC

TJ Deane, E.I.T, P.G.

James "TJ" Deane, P.E., P.G. Vice President of Operations/Principal Engineer

Mr. Deane has a M.S. in Geoscience from Pennsylvania State University and B.S. in Geology from the University of Maryland. He is a licensed professional geologist in states of New York and Virginia. His specialized professional experience includes conducting pre-condition surveys, vibration monitoring, sound monitoring, and movement monitoring using a variety of geotechnical tools and methods for government and private sector clients. Prior to joining SSI, he helped manage environmental remediation projects and oversaw the collection, interpretation, and distribution of physical and chemical data collected from environmental media. Mr. Deane has received formal training in pre- and post-construction condition surveys, and vibration monitoring and seismograph operations. Among other trainings, he holds certifications for OSHA 40-Hour HAZWOPER, OSHA 8-Hour HAZWOPER Supervisor, OSHA 10-Hour Construction Safety, OSHA Fall Protection, OSHA Confined Space Operations, MSHA Quarry Training, and is a FAA Certified Remote Pilot Operator.

Adam Ricci Business Development Representative

Adam is SSI’s Business Development Representative and Texas Area Manager. He is based in North Texas, though also works closely with our Florida area offices providing support for business development and bid coordination. He has specialized experience and training in the management and implementation of testing equipment and services which includes several years specific to seismic monitoring and structural condition surveys concerning risk mitigation for industries including blasting, construction, demolition, pile driving, excavation, and dynamic compaction. He has received formal training through SSI’s in-house training program and is experienced in managing and conducting pre- and post-construction structure surveys, seismic monitoring, sound level monitoring, crack monitoring, well water monitoring, damage claim investigations, and public relations. Adam’s background also includes experience in construction, home inspections, real estate, sales, and general management.

Ben Spindler

Benjamin Spindler, P.G Project Geologist

Mr. Spindler has a BS degree in Geology from Radford University. Since joining SSI, he has received experience in vibration and movement monitoring as well as pre-blast/construction surveys. Mr. Spindler has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. Mr. Spindler is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of blasting, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.

Brittney Johnson Project Geologist

Ms. Johnson has a BS degree in Geology from Texas A&M University - Corpus Christi and a MS degree in Geochemistry from the University of Oklahoma. She has gained experience in vibration and movement monitoring and has received in-house, formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC. Ms. Johnson has her OSHA 30-hour Construction Safety and Health training certificate. Her professional experience includes petroleum geology, reservoir mapping, analysis of seismograph data, vibration monitoring of construction activities, and public relations.

Ian Soifer Staff Scientist

Mr. Soifer received his Bachelor of Science Degree in Geography from the University of Alabama. He has experience in performing vibration monitoring, both attended and unattended, conducting pre- and post-construction/blast surveys, and installing and maintaining geo-structural instrumentation. He has received formal training in conducting pre-condition surveys as well as seismic and settlement monitoring. His professional experience includes vibration monitoring of blasting and construction activity, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.

Kendall-Dean-website

Kendall Dean Assistant Controller

Kendall received her Bachelor of Arts Degree in Business Administration and Economics from McDaniel College. She is SSI’s Assistant Business Administrator and is responsible for assisting with the operational, organizational, and managerial responsibilities of the company. She has also received her Professional Administrative Certification of Excellence (PACE).

Chris JohnsonStaff Scientist

Paul Ponton, III Instrumentation Manager

While earning his Bachelor of Science degree in Environmental Science at Towson University, Mr. Ponton interned with the Baltimore County Department of Environmental Protection and Sustainability, assisting in the restorative health and monitoring efforts of the counties’ municipal waterways. Shortly after graduation, he was contracted by the Maryland Department of Natural Resources to spearhead the mitigation strategy against the introduction of invasive species within Deep Creek Lake, MD. Before coming to SSI, Mr. Ponton became a respected veteran of the solar industry working with the largest firms in the United States. Paul is currently SSI’s Instrumentation Manager and is responsible for managing the inventory, service, maintenance, and deployment of over 200 engineering seismographs and other geotechnical and structural instrumentation nationwide. Since joining SSI, Mr. Ponton has recieved formal training in seismograph operation and ICC residential building inspection. In addition, he has received his OSHA Construction Safety and Health training certificate.

W Clifford Miller

W. Clifford Miller, II Area Manager - Florida

Cliff is SSI’s Florida Area Manager and is based in our Brevard County, Florida office. He has specialized experience and training in the implementation of vibration monitoring programs on blasting, construction, and demolition projects. He has received formal training in conducting pre-construction structure surveys, seismic monitoring, and crack monitoring through SSI’s in-house training program. He has received his OSHA Construction Safety and Health training certificate and is a member of the International Society of Explosives Engineers. He has over three years of experience in vibration monitoring, analysis of seismograph data, airblast studies, installation and use of Automated Motorized Total Stations (AMTS) for settlement monitoring, and crack gauge installation and monitoring. Cliff is a licensed UAS Remote Pilot (Certificate No. 4106105) through the FAA.

Andrew Pak

Andrew Pak Instrumentation Specialist

Mr. Pak earned his Bachelor of Science degree in Geography and Environmental Science at the University of Maryland Baltimore County. After graduation, he gained additional knowledge in IT and GIS (Geographical Information Systems). Prior to SSI, he freelanced for some software companies in MD and aided with GIS mapping projects at several schools in the state. These experiences have given Mr. Pak a unique combination of computer knowledge and environmental background that has helped SSI expand into other forms of environmental monitoring.

Kaitlin Rahman Technical Administrator

Bob DiLullo

Bob DiLullo Senior Staff Geologist

Mr. DiLullo received his Bachelor of Arts degree in Geology from Stockton University. Since joining SSI, Mr. DiLullo has received experience in vibration and movement monitoring as well as pre-blast/construction surveys. He has received formal training in conducting pre-condition surveys, seismic monitoring, crack gauge installation and monitoring through Seismic Surveys, LLC in-house training program. He has also received his OSHA Construction Safety and Health training certificate and is a certified ICC - Residential Building Inspector. His professional experience includes vibration monitoring of blasting and construction activity, analysis of seismograph data, pre-blast/construction inspection of structures, and public relations.

Brett Meyers

Brett Meyers Senior Staff Geologist

Mr. Meyers is currently working towards a B.S in Geology at Stockton University. Mr. Meyers has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. Mr. Meyers has received his OSHA Construction Safety and Health training certificate and is a member of the International Society of Explosives Engineers. Mr. Meyers is a certified ICC – Residential Building Inspector. His professional experience includes vibration monitoring of construction activity, blasting, analysis of seismograph data, and public relations.

Trevor Brown

Trevor Brown Senior Staff Geologist

Mr. Brown has a Bachelor of Science in Earth Science from Salisbury University. Mr. Brown has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. He has received his OSHA 30-hour Safety and Health Certificate, is MARTCP certified in Soil & Aggregate Compaction, and has been certified in the operation of nuclear density gauges and HAZMAT transport. Before joining Seismic Surveys, Mr. Brown gained professional experience in the fields of geotechnical engineering, construction, and disaster relief.

Erika Heymann Staff Geologist

Ms. Heymann earned her Bachelor of Science in Geology from Towson University and is currently pursuing a Master's degree in Environmental Science. In addition to working on her thesis, she serves as a research assistant in geoscience research education. Prior to joining Seismic Surveys LLC, Ms. Heymann worked as a Staff Environmental Science/Field Technician, where she was responsible for remediating petroleum contamination. She has received training in OSHA 30-Hour Construction Safety and Seismic Surveys, LLC’s in-house training program for conducting pre-condition inspections and monitoring equipment operations. At present, Ms. Heymann is a Staff Scientist at SSI where she conducts pre- and post-condition surveys, installs vibration and movement monitoring equipment, analyzes vibration and movement monitoring data, and prepares periodic monitoring reports.

John Kemmerer Staff Engineer

John Kemmerer received his Bachelor of Materials Engineering from the University of Florida. Since 2022, Mr. Kemmerer has experience in vibration monitoring, related geoscience equipment data collection, and reporting work. He has demonstrated training and experience in vibration monitoring, pre- and post-construction inspection. Mr. Kemmerer received formal training in conducting pre-construction surveys and seismic monitoring through Seismic Surveys, LLC (SSI)’s in-house training program. Since joining SSI, he has worked as an approved Vibration Monitoring Technician (VMT) or apprentice to the approved VMT on several beachfill projects in across the state of FLorida. He received his OSHA 30-Hour Construction Safety and Health training certificate and Confined Spaces training certificate.

Justin Tamborello Staff Scientist

Mr. Brown has a Bachelor of Science in Earth Science from Salisbury University. Mr. Brown has received formal training in conducting pre-condition surveys and seismic monitoring through Seismic Surveys, LLC in-house training program. He has received his OSHA 30-hour Safety and Health Certificate, is MARTCP certified in Soil & Aggregate Compaction, and has been certified in the operation of nuclear density gauges and HAZMAT transport. Before joining Seismic Surveys, Mr. Brown gained professional experience in the fields of geotechnical engineering, construction, and disaster relief.