Forensic Tunnel & Underground
Investigations 

Experience With: 

• Tunnel - collapses floods, substandard excavation performance 

• Concrete (jacked) pipe failures

• Investigation of machine failures and performance issues

  • component failures, substandard performance & cutter life

  • hydraulic dredge substandard performance

  • Causes of over-break, personal injuries and wrongful death, accidents, failure of explosives

Our expert witnesses have been Court (Federal, State, County, and EBOCA) qualified:

• Geotechnical engineering & interpretation, underground excavation, differing site conditions;

• Differing Site Conditions (DSC) presentation and defense;

• Geology, Exploration, & Geotechnical Baseline reports,

• Tunnel, Tunnel Boring, & Microtunneling Excavation,

• Baseline Construction Performance, Excavation Productivity, & Time-Progress Analyses, Scheduling

• Underground, Heavy Construction, Blasting & Vibrations,

• Construction safety, personal injury issues in construction,

• Machine Failures, Machine Underperformance, Tunnel Case Histories

• Slurry wall excavation;