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Interpretation Response #PI-82-001 ([Piedmont Natural Gas Company] [Ray B. Killough,])

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

Interpretation Response Details

Response Publish Date:

Company Name: Piedmont Natural Gas Company

Individual Name: Ray B. Killough,

Location State: NC Country: US

View the Interpretation Document

Response text:

Mr. Ray B. Killough, Manager

Design, Construction & Production

Piedmont Natural Gas Company

Post Office Box 33068

Charlotte, NC 28233

Dear Mr. Killough:

We are sorry for the delay in answering your letter in which you discussed your interpretation of section 192.725(2). Our agreement with your interpretation is enclosed.

If we can be of any further assistance, please call.

Sincerely,

Melvin A. Judah

Acting Associate Director

for Pipeline Safety Regulation

Materials Transportation Bureau

Enclosure

 

DEPARTMENT OF TRANSPORTATION

RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION

MATERIALS TRANSPORTATION BUREAU

PIPELINE SAFETY REGULATORY INTERPRETATION

NOTE: A pipeline safety regulatory interpretation applies a particular rule to a particular set of facts and circumstances, and, as such, may be relied upon only by those persons to whom the interpretation is specifically addressed.

SECTION: 192.725(a)

SUBJECT: Test Requirements for Reinstating Service Lines

FACTS: Section 192.725(a) states, in part, that "each disconnected service line must be tested in the same manner as a new service line, before being reinstated."

Question: What is the meaning of "disconnect" as used in section 192.725(a)?

Interpretation: The ordinary meaning of "disconnect" is to detach or physically separate. This meaning is intended under section 192.725(a) as indicated by the notice of proposed rulemaking (Notice 70-5, 35 FR 5482) upon which the rule was based. This meaning is also consistent with the purpose of the tests. Pressure tests are required for new service lines under Subpart J to assure that potentially hazardous leaks are discovered. Such leaks could arise during construction or repair activity required to reconnect a service line that has been physically separated. This physical separation does not necessarily occur at or near the gas main but may occur anywhere along the length of a service line. A disconnection of this type may be caused by outside forces, routine maintenance, or by compliance with the abandonment requirements of section 192.725(b).

Within the industry, the word "disconnect" is sometimes used to refer to temporary discontinuance of service by closing the gas service valve. The rules proposed under Notice 70-5 above and finally adopted as sections 192.725 and 192. 727 indicate that this variation of the meaning of disconnect was not intended under either section. Therefore, a "disconnected" service line is a service line that has been physically separated from a main and does not include a service line that remains physically connected to the main, or has been taken out of service by closing a valve between the main and service line.

Melvin A. Judah

Acting Associate Director

for Pipeline Safety Regulation

Materials Transportation Bureau

Regulation Sections

Section Subject
192.725 Test requirements for reinstating service lines