Field Inspection & Testing Department

McCallum Testing Laboratories employs soil, asphalt, and concrete technicians, senior technicians, and certified welding inspectors. Operating as the eyes and ears of our company, our staff of field technicians is certified by the Corps of Engineers, American Concrete Institution (ACI), the Virginia Department of Transportation (VDOT), National Institute for Certification in Engineering Technologies (NICET), Troxler School, ICC, AWS, and ANST to perform the full range of inspections and field tests associated with roadway, infrastructure, and building construction. All field inspection and testing technicians work under the direct supervision of our professional staff to ensure the quality of our services.

To schedule a field technician, contact our receptionists at (757) 420-2520 or email your request to Please allow at least 24 hours for scheduling a field technician. For specific questions, please contact our Field Supervisor, Cory LaCasse, at (757) 420-2520.

Construction Inspection, Materials Testing & Engineering Services Offered

Welding Procedure and Welding Qualifications

  • Structural Steel
  • Welding
  • High Strength Bolting
  • Shop Fabrication Inspection
  • Skidmore Wilhelm Calibration for Bolting
  • Torque Tension Wrench
  • Paint Thickness


  • Coring and Patching
  • Placement Inspection
  • Reinforcing Steel
  • Pre and Post Tension Stressing
  • Concrete Sampling
  • Precast Plant Inspection
  • Concrete Slab Moisture Vapor Emission Testing
  • Concrete Slab Relative Humidity (RH) Testing
  • Slab Flatness and Levelness Surveys
  • Concrete Mix Design


  • Inspection of Installation
  • Concrete Masonry Unit (CMU) Block and Brick Sampling
  • Mortar Sampling
  • Grout Sampling


  • Proofrolling
  • Subgrade Inspections
  • Foundation Inspections
  • Soil Density Testing with Nuclear and Sand Cone Method

Drilled-In Anchors

  • Epoxy Anchors
  • Load Testing of Anchors
  • Mechanical Anchors

Spray-Applied Fireproofing

  • Cementitious Fireproofing
  • Intumescent Fireproofing

Deep Foundation

  • Prestressed Precast Concrete Piles
  • Timber Piles
  • H Piles
  • Caissons
  • Helical Piles
  • Augercast Piles


  • Asphalt Roller Pattern
  • Asphalt Density Verification
  • Coring and Patching
  • Paint Thickness at Pavement Stripping


  • Wood Framing Inspection
  • Dynamic Compaction Monitoring
  • Exterior Insulated and Finish Systems (EIFS)
  • CTA Batch Plant QC/QA
  • Vibration Monitoring

Field Supervisor- Cory LaCasse | Project Manager – Pete Keane