Interpretation Response #PI-77-001
Below is the interpretation response detail and a list of regulations sections applicable to this response.
Interpretation Response Details
Jan 10 1977
Mr. Carl J. Stokes
Canyon Country, California 91351
Dear Mr. Stokes:
This responds to your letter dated October 15, 1976, and attached advertisement showing a type of meter riser manufactured by R.W. Lyall and Company, Inc. You have questioned the Office of Pipeline Safety Operations (OPSO), "do you consider that this design of riser would meet the Federal standard and that I would be in compliance with the code in using it?"
OPSO does not endorse or certify proprietary items. It is the responsibility of the operator to assure that gas facilities are constructed out of materials that will maintain their structural integrity under the anticipated temperature and environmental conditions to which they are exposed and be compatible with any gas that is transported. We are enclosing a copy of 49 CFR Part 192 for your information and use to determine if the meter risers would meet the applicable standards.
In addition to other applicable requirements, the meter risers must meet the requirements of 49 CFR §192.375(a) for protection of plastic service lines and §192.123, Design limitations for plastic pipe. With regard to the metal gas carrier, a determination must be made as to whether or not gas is transported through it as a carrier pipe below ground. If in fact gas is transported through the metal gas carrier below ground, then it must comply with the requirement of Subpart I for corrosion control.
Thank you for your interest in pipeline safety.
Office of Pipeline
|Design limitations for plastic pipe