Characterization of radioactive contamination inside pipes with the Pipe Explorer{trademark} system

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The U.S. Department of Energy`s nuclear facility decommissioning program needs to characterize radiological contamination inside piping systems before the pipe can be recycled, remediated, or disposed. Science and Engineering associates, Inc. under contract with the DOE Morgantown Energy Technology Center has developed and demonstrated the Pipe Explorer{trademark} system, which uses an inverting membrane to transport various characterization sensors into pipes. The basic process involves inverting (turning inside out) a tubular impermeable membrane under air pressure. A characterization sensor is towed down the interior of the pipe by the membrane. Advantages of this approach include the capability of deploying through constrictions ... continued below

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10 p.

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Kendrick, D.T.; Cremer, C.D.; Lowry, W. & Cramer, E. December 31, 1995.

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Description

The U.S. Department of Energy`s nuclear facility decommissioning program needs to characterize radiological contamination inside piping systems before the pipe can be recycled, remediated, or disposed. Science and Engineering associates, Inc. under contract with the DOE Morgantown Energy Technology Center has developed and demonstrated the Pipe Explorer{trademark} system, which uses an inverting membrane to transport various characterization sensors into pipes. The basic process involves inverting (turning inside out) a tubular impermeable membrane under air pressure. A characterization sensor is towed down the interior of the pipe by the membrane. Advantages of this approach include the capability of deploying through constrictions in the pipe, around 90{degrees} bends, vertically up and down, and in slippery conditions. Because the detector is transported inside the membrane (which is inexpensive and disposable), it is protected from contamination, which eliminates cross-contamination. Characterization sensors that have been demonstrated with the system thus far include: gamma detectors, beta detectors, video cameras, and pipe locators. Alpha measurement capability is currently under development. A remotely operable Pipe Explorer{trademark} system has been developed and demonstrated for use in DOE facilities in the decommissioning stage. The system is capable of deployment in pipes as small as 2-inch-diameter and up to 250 feet long. This paper describes the technology and presents measurement results of a field demonstration conducted with the Pipe Explorer{trademark} system at a DOE site. These measurements identify surface activity levels of U-238 contamination as a function of location in drain lines. Cost savings to the DOE of approximately $1.5 million dollars were realized from this one demonstration.

Physical Description

10 p.

Notes

INIS; OSTI as DE96004621

Source

  • Environmental technology development through industry partnership, Morgantown, WV (United States), 3-5 Oct 1995

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  • Other: DE96004621
  • Report No.: DOE/MC/30172--96/C0583
  • Report No.: CONF-9510108--50
  • Grant Number: AC21-93MC30172
  • Office of Scientific & Technical Information Report Number: 181464
  • Archival Resource Key: ark:/67531/metadc666541

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 19, 2015, 12:22 p.m.

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Kendrick, D.T.; Cremer, C.D.; Lowry, W. & Cramer, E. Characterization of radioactive contamination inside pipes with the Pipe Explorer{trademark} system, article, December 31, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc666541/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.