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Interpretation Response #PI-72-059

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

Interpretation Response Details

Response Publish Date: 08-23-1972
Company Name: Zapata Pipeline Technology, Inc.    Individual Name: T.J. Hayes, Jr.
Location state: TX    Country: US

View the Interpretation Document

Response text:

August 23, 1972

Zapata Pipeline Technology, Inc.
Attention: Mr. T.J. Hayes, Jr.
P.O. Box 19415
Houston, Texas 77024


This is to acknowledge your inquiry of August 8, 1972, requesting our review of the test data, and installation history of the ZAP-LOK method of joining pipe and whether it complies with Section 192.273 of the U.S. Department of Transportation Pipeline Safety Standards.

Use of the ZAP-LOK method is provided for under the requirements listed in Subpart F - Joining of Materials Other Than by Welding. Based on the data submitted with your letter of August 8, including the description by various gas operators of their individual installations the ZAP-LOK method of joining pipe appears to comply with the provisions of Section 192.273.



Joseph C. Caldwell
Office of Pipeline Safety

Regulation Sections

Section Subject
§ 192.273 General