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Page 151
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
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Appendix C

Industry Survey

The committee conducted industry outreach through an anonymized Alchemer form to collect information on valve installation, type, and spacing. This form was sent out to pipeline operators by three industry organizations: the American Gas Association, the Interstate Natural Gas Association of America, and the American Petroleum Institute. The text in Box C-1 accompanied the form and provided background information about the study. On the webpage, spreadsheets—one for hazardous liquid pipelines and one for gas transmission pipelines—were available for download (see Figures C-1 and C-2). To provide data about their pipeline systems, operators were asked to complete the appropriate spreadsheets based on their pipeline operations and submit the completed files to the committee through the anonymized Alchemer form.

Page 152
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Page 153
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Image
FIGURE C-1 Spreadsheet used for gathering industry data for hazardous liquid pipelines.
Page 154
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Image
FIGURE C-2 Spreadsheet used for gathering industry data for gas transmission pipelines.
Page 151
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Page 151
Page 152
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Page 152
Page 153
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Page 153
Page 154
Suggested Citation:"Appendix C: Industry Survey." National Academies of Sciences, Engineering, and Medicine. 2024. Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves. Washington, DC: The National Academies Press. doi: 10.17226/27521.
×
Page 154
Next: Appendix DStudy Committee BiographicalInformation »
Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves Get This Book
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 Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves
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Since 2022, automatic or remote-control shutoff valves have been required on new hazardous liquid and gas transmission pipelines located in or near populated and environmentally sensitive areas. They are intended to enable faster shutdowns of ruptured pipe segments. However, the requirement for “rupture mitigation valves” does not apply to pipelines installed prior to 2022. This report examines the regulatory requirements that apply and recommends options for making sounder decisions about when to install these valves.

TRB Special Report 349: Ensuring Timely Pipeline Shutdowns in Emergencies: When to Install Rupture Mitigation Valves from the Transportation Research Board of the National Academy of Sciences, Engineering, and Medicine is the product of an expert committee convened to assess regulatory standards and criteria for deciding when the valves should be installed on pipelines. This review, which was mandated by Congress, issues a series of recommendations designed with pipeline safety in mind.

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