82 Results

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Fire Safety & Suppression

Home › Services › Building Services › Fire Safety/Suppression

With extensive knowledge of fire safety regulations, codes, and best practices, ESi delivers expert solutions to reduce fire risks. Our building services include comprehensive fire safety inspections and detailed fire risk assessments to identify potential hazards and recommend preventive measures.   

https://www.engsys.com/services/building-services/fire-safetysuppression/ Updated 9/30/2025

Injury Causation Analysis of a Physical Altercation Resulting in Paraplegia Leads to a Favorable Verdict

Home › Work › Injury Causation Analysis of a Physical Altercation Resulting in Paraplegia Leads to a Favorable Verdict

A young male was involved in a late-night physical altercation outside a filling station rendering him paraplegic. The gentleman was reportedly assaulted by another male after a disagreement, whereby he was allegedly lifted and “spear tackled” into the side of a parked vehicle, striking the top of his head (vertex). He momentarily lost consciousness but remembered waking up having no feeling in his legs and being unable to move. The gentleman who allegedly assaulted him claims to have acted out of self-defense and that he merely pivoted and pushed him away after an attempted attack, after which the plaintiff stumbled and fell backwards striking the car with the back of his head (occipital area).

https://www.engsys.com/work/injury-causation-analysis-of-a-physical-altercation-resulting-in-paraplegia-leads-to-a-favorable-verdict/ Updated 7/25/2025

Civil & Structural Engineering

Home › Expertise › Civil & Structural Engineering

Our Civil and Structural Team consists of civil engineering consultants, structural engineering consultants, architects, and technicians who are experts in the design, assessment, and repair of structures to restore them to their intended state.   

https://www.engsys.com/expertise/civil-structural-engineering/ Updated 4/17/2025

Mechanical Engineering

Home › Expertise › Mechanical Engineering

Our mechanical engineering consultants are experts in design evaluation, failure analysis, and risk assessment with technical expertise spanning construction, transportation, building services, and power and energy industries. We focus on understanding the performance, dynamics, damage tolerance, and failure modes of machines and structures, tackling issues such as stress, fatigue, and fracture mechanics to help clients understand and prevent failures. 

https://www.engsys.com/expertise/mechanical-engineering/ Updated 6/4/2025

Insurance

Home › Industries › Insurance

When incidents happen, our expert teams are on the front lines, assessing damage and loss to provide insurance clients with a clear understanding of what happened and why. We deliver comprehensive assessments detailing the cause and extent of the damage, necessary repair steps, and associated costs. 

https://www.engsys.com/industries/insurance/ Updated 9/8/2025

Construction

Home › Industries › Construction

We partner with clients in the construction industry to ensure their structures are safe, compliant, reliable, and built to perform at the highest level. Whether conducting comprehensive structural and safety evaluations, designing repairs, or supporting new construction, our experts apply rigorous analysis, industry best practices, and efficient oversight to deliver high-quality outcomes. 

https://www.engsys.com/industries/construction/ Updated 9/30/2025

Jeff D. Colwell

Home › People › Jeff D. Colwell

Dr. Jeff Colwell specializes in the engineering analysis of thermal and combustion processes, especially the cause, origin, and propagation of fires and explosions. Dr. Colwell has investigated fires and explosions in a wide array of applications including motor vehicles, residential and commercial structures, wildfires, and industrial complexes associated with the chemical, drilling, refining, and mining industries.  

https://www.engsys.com/people/jeff-d-colwell/ Updated 8/1/2025

Meticulous Metallography Helps Crack the Case

Home › Work › Meticulous Metallography Helps Crack the Case

Shortly after take-off, a single engine turboprop utility aircraft experienced a loss of engine power.  The pilot attempted to glide the aircraft to a safe landing in a recently planted field, but unfortunately the plane impacted a hedgerow at the end of the field, killing the pilot.

https://www.engsys.com/work/meticulous-metallography-helps-crack-the-case/ Updated 7/25/2025

Daniel Lieberman

Home › People › Daniel Lieberman

Dr. Daniel Lieberman is a Sr. Consultant at ESI and specializes in combustion, fluid mechanics, thermodynamics, and heat transfer. He performs origin and cause investigations of fires and explosions, ranging from small residential fires to large-scale industrial incidents.

https://www.engsys.com/people/daniel-lieberman/ Updated 10/30/2025

Lloyd C. Meissner

Home › People › Lloyd C. Meissner

Mr. Meissner is a registered professional metallurgical engineer with 41 years of experience in the field of metallurgical engineering and materials science with a focus on failure analysis. He has nearly three decades of experience in aerospace and defense projects, most recently concentrating on forensics. His consulting projects include analysis of HVAC systems, corrosion of potable water and sprinkler piping, a variety of water losses, home appliance failures, medical device analysis and consulting on a wide variety of materials issues related to insurance subrogation and litigation. 

https://www.engsys.com/people/lloyd-c-meissner/ Updated 8/6/2025