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RE: X ray Rebars

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Ground Penetrating Radar (GPR) has been used as a safer method of detecting/locating rebar in RC structures. You do not require access to both sides of the RC element with GRP.
You can rent these units from "Sensors and Software" for about $250 per day, and with a bit of practice you can get some meaningful results. CTL in Chicago have full-service GRP capabilities.
Mark Geoghegan
Honolulu, HI
-----Original Message-----
From: Sonsur(--nospam--at) [mailto:Sonsur(--nospam--at)]
Sent: Friday, February 21, 2003 7:46 AM
To: seaint(--nospam--at)
Subject: X ray Rebars

I would like to know the name of testing labs who are specialist in doing X ray the rebars in the existing walls.
I would appreciate your help.