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Interpretation Response #PI-71-023 ([Central Telephone & Utilities Corp] [W. E. Mickelson])

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

Interpretation Response Details

Response Publish Date:

Company Name: Central Telephone & Utilities Corp

Individual Name: W. E. Mickelson

Location State: NE Country: US

View the Interpretation Document

Response text:

Mr. W. E. Mickelson
Chief Engineer-Gas Operations
Central Telephone & Utilities Corp
P. O. Box 82888
Lincoln, Nebraska 68501

Dear Mr. Mickelson:

This is in reply to your request for an interpretation of 49 CFR, Section 192.511 and Section
192.513.

You are correct that Section 192.511 does not apply to plastic lines.

Section 192.3 was intended to use the word "pipeline" in its broadest sense, that is all parts of
those physical facilities through which gas moves in transportation. It therefore includes service
lines.

Therefore, it is the intention of the regulations that Section 192.513 apply to all plastic lines,
whether they be transmission, mains or service lines.

The requirements for testing plastic are higher particularly for intended higher operating pressures
than those for steel because the design specifications for plastic are much less detailed.

We hope that this answers your question. If you have any further questions, please let us know.

Sincerely,

/signed/

Joseph C. Caldwell
Director, Acting
Office of Pipeline Safety

Regulation Sections

Section Subject
192.511 Test requirements for service lines
192.513 Test requirements for plastic pipelines