TPI prides itself on its proven track record of providing special inspection support services. TPI is one of the few special inspection agencies that maintains a full staff of Non-Destructive Testing technicians. You will find a list of the Special Inspections we provide below.


Our consulting, project management, and documentation services enable commercial projects to proceed quickly and avoid common issues and delays. No matter what the obstacles may be, our professional team is ready to deliver.


Certified technician performing horizontal core drilling

Some of our key capabilities include, but are not limited to:


  • Core Drilling
  • Liquid Penetrant (PT)
  • Quality Management
  • Concrete Coring
  • Asphalt Coring
  • GPR Testing
  • Windsor Probe
  • Chloride Ion Test
  • Schmidt Hammer Test
  • Soil Bearing Capacity (Dynamic Cone Penetrometer)
  • Pull Test
  • Soil Infiltration Test
  • Soil Percolation Test
  • Marine Door and Flood Door Water Test (witnessing only)
  • Mechanical
  • Fireproofing
  • Fireproofing Density Test
  • Fireproofing Bond Test