Special Inspection

By focusing on inspection and testing, Signet has become one of the leading independent testing agencies in California. Our inspectors witness, record and report the construction work performed by project contractors and subcontractors, as established in the project specifications and as defined by the California Building Code (CBC)requirements. While maintaining its independent testing laboratory status, we are responsible to the local building officials, the structural engineer, the project architect, and most importantly, Our Client. Inspection personnel are members of the OE3 union and services provided include:

On-Site Structural Inspection

  • Reinforced Concrete/Shotcrete
  • Prestressed/Post-tensioned Concrete
  • Structural Masonry
  • Structural Steel Welding /Bolting
  • Spray Applied Fireproofing (Steel/Wood)
  • Roofing/Waterproofing
  • Asphalt and Portland Cement

Fabrication Shop (Source) Inspection

  • Concrete Batch Plant
  • Precast Fabrication Shop
  • Steel Fabrication Shop
  • Welding, Bolting, & Materials Identification

Materials Verification & Sampling

  • Rebar Supplier

Field Testing

  • Asphalt Placement
  • Proofload/Pull Testing of Reinforcing Steel and Post-Installed Bolts
  • Torque Testing of Anchors
  • Ferro-Scanning

Non-Destructive Testing (NDT)

  • Ultrasonic, Magnetic, Particle, Dye-Penetrant
  • Pachometer
  • Shmidt Hammer
  • Ground Penetrating Radar (GPR)

Mechanical/Electrical Inspection

  • Compliance with Product Listing
  • Verify Size and Type