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Oklahoma City

Firestop Inspections - Nationwide

Frequently Asked Questions

 

 

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What can be located?

  • Rebar

  • Electrical Conduit

  • Post Tension Cables

  • Live WIre

  • Voids

  • Steel

  • Glass Fiber Cables

  • Copper Piping

 

 

What is GPR?
 

GPR (Ground Penetrating Radar) is a radar-based technology that uses antennas to transmit and receive pulses of electromagnetic energy through a medium such as the ground or concrete. As the radar receives the transmitted pulses it registers “echoes” from objects based on their different electromagnetic conductivity.

 

This technology can be used to scan various types of materials such as ice, rock, soil, asphalt or concrete depending on the transmission frequency.  Midwest Scanners uses this technology for a non-destructive means to locate targets within concrete structures prior to drilling, cutting or coring.

 

 
What is Ferroscan?

 

The Ferroscan uses electromagnetic induction to provide more accurate estimates for rebar size and concrete coverage.  It may be necessary to perform destructive testing in certain areas to confirm the results of the equipment.  Ferroscan data accuracy is typically ±1 standard diameter when rebar spacing: depth of cover is ≥2 : 1.  Bar diameter measurement is possible at depths of up to 60 mm.  Bar depths measured at depths less than 2.4” will be accurate to within 0.1”.

 

 

 

 

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