A pipeline operator installs vibration and door-position sensors on remote valve stations that report to a central monitoring center. What is the principal security purpose of these sensors at unmanned field sites?
- A.To regulate the flow rate of the product in the pipeline
- B.To provide tamper and intrusion detection where no staff are present to observe
- C.To replace the need for the SIS at the station
- D.To calculate the financial value of throughput
Why B is correct
At unmanned field sites, tamper and intrusion sensors such as door-position and vibration detectors give the central center timely awareness of physical interference. This detection capability compensates for the absence of on-site personnel who would otherwise notice unauthorized activity.
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