Remotely controlled valves on interstate natural gas pipelines : September 1999.
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1999-09-01
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NTL Classification:NTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENT;NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;
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Abstract:This report is in response to a Congressional mandate in the
Accountable Pipeline Safety and Partnership Act of 1996 to survey
and assess the effectiveness of remotely controlled valves (RCVs)
on interstate natural gas pipelines and to determine their
technical and economical feasibility to shut off gas after a
rupture.
This report contains a discussion of the results of a public
meeting held in Houston, Texas on October 30, 1997 for the
purpose of gathering information and discussing issues relevant
to the survey and assessment. The report also contains the
results of an RCV field evaluation conducted by Texas Eastern
Transmission Corporation (TETCO) as part of a Consent Order
issued by the Office of Pipeline Safety (OPS) (CPF 15102) to
provide information on TETCO’s experience with RCVs. There is
also a discussion of status briefings before the Technical
Pipeline Safety Standards Committee (TPSSC) and a cost versus
benefit study.
The report addresses the four main issues raised by the
Congressional mandate to study RCVs, i.e., effectiveness,
technical feasibility, economic feasibility, and risk reduction.
The report concludes with a proposal for further action, which is
a public meeting to seek input on information for specifying the
time-to-isolate a ruptured pipeline section.
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