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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Interpretation Response #PI-82-020 ([Memo: Internal])

Below is the interpretation response detail and a list of regulations sections applicable to this response.

Interpretation Response Details

Response Publish Date:

Company Name: Memo: Internal

Individual Name:

Country: US

View the Interpretation Document

Response text:

DEPARTMENT OF TRANSPORTATION

RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION

MATERIALS TRANSPORTATION BUREAU

PIPELINE SAFETY REGULATORY INTERPRETATION

SECTION: 192.167

SUBJECT: Compressor stations

FACTS: New piping is proposed for use in connection with an extraction plant and two attended onshore compressor stations built in 1968 and 1969. The proposed piping has valves that could be used to isolate the compressors; and, in addition, a shutdown device is planned for each station gate.

QUESTION: Will the proposed piping and shutdown devices require the installation of emergency shutdown systems?

INTERPRETATION: Under §§ 192.13 and 192.167, each attended onshore compressor station readied for service after March 12, 1971, must have an emergency shutdown system that complies with §192.167. Also, §192.167 applies to any preexisting compressor station that is replaced, relocated, or otherwise changed after November 12, 1970. Inasmuch as the proposed piping and shutdown devices do not involve replacement or relocation of the existing compressor stations or have any substantial effect on the existing design or construction of those stations, §192.167 would not require emergency shutdown systems to be installed.

Richard L. Beam

Associate Director for

Pipeline Safety Regulation

Materials Transportation Bureau

SUBJECT: Interpretation Compressor Stations

FROM: Richard L. Beam

Associate Director for Pipeline Safety Regulation

TO: Richard E. Sanders, Program Manager

Pipeline Safety

Transportation Safety Institute

The attached interpretation has been issued in response to your memorandum of September 8, 1982.

Attachment

Regulation Sections

Section Subject
192.13 What general requirements apply to pipelines regulated under this part?
192.167 Compressor stations: Emergency shutdown