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The RFTC Solution
PPIC's Remote Field Transformer Coupling technology functions much in the same way as a radio transmitter and receiver. The "transmitter" produces an electromagnetic field. The prestressing wires in the pipe amplify the signal. If there are broken pre-stressing wires, the signal does not come through cleanly and our "receiver" picks up static, or noise.
PPIC's trained field crews record this noise as they travel through the pipeline. In the Analysis phase,
PPIC's skilled analysts quantify this noise and estimate the number of wire breaks per pipe by applying
knowledge accumulated from the following sources:
- PPIC's in-house Research and Development;
- Research and Development efforts at Queen's University, supervised by PPIC's Chairman - Professor David Atherton;
- Client records;
- Its database of over 10,000 calibration scans;
- The feedback gathered from existing clients.
The application of this knowledge is critical to PPIC's ability
to accurately interpret the "noise". As PPIC’s RFTC inspection system is sensitive to all the electromagnetic properties of PCP, it is capable of detecting not only wire breaks, but it can also detect holes or perforation of the steel cylinder if they are of a sufficient size. The system also detects the features of a pipeline including manholes, blow-offs, and joints.
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