ۥ-/@ -|*&k&v&vv&v&v&v&v&&J& && && &&'έ))") )) )) )) )) )) )) )4)*S)v& ))August 5, 1983 INFORMATION: Use of Plastic Pipe to Transport Carbon Monoxide or Hydrogen Richard L. Beam Associate Director, Pipeline Safety Regulation, DMT-30 William H. Gute Chief, Eastern Region, OOE, DMT-15 Thru: Robert L. Paullin Associate Director for Operations & Enforcement, DMT-10 In response to your memo of June 20, 1983, we have attached an interpretation of 195.59(a)(1) and (2) concerning the use of plastic pipe to transport carbon monoxide or hydrogen gases. # Attachment No. 83-9 Date: August 5, 1983 DEPARTMENT OF TRANSPORTATION PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION MATERIALS TRANSPORTATION BUREAU ______________________________________________________________________________ PIPELINE SAFETY REGULATORY INTERPRETATION ______________________________________________________________________________ Note: This pipeline safety regulatory interpretation applies to all operators that are subject to the rule under Federal or State law. SECTION: 192.59 SUBJECT: Use of Plastic Pipe to Transport Carbon Monoxide or Hydrogen. FACTS: Section 192.59(a)(1) & (2) states the following; 192.59 Plastic pipe. (a) New plastic pipe is qualified for use under this part if- (1) When the pipe is manufactured, it is manufactured in accordance with the latest listed edition of a listed specification, except that before March 21, 1975, it may be manufactured in accordance with any listed edition of a listed specification; and (2) It is resistant to chemicals with which contact may be anticipated. ASTM D2513-81 states the following: "The pipe, tubing, and fittings covered by this specification are intended for use in the distribution of natural gas or petroleum fuels (propane-air and propane-butane vapor mixtures) where toughness and resistance to flattening, aging, and deterioration from water, gas, and gas additives are required. Use of polyethylene systems with liquefied petroleum gas distribution systems is covered in Appendix X2. Use of other plastic systems covered by this specification with liquid petroleum or manufactured or mixed gas distribution systems is not covered in this specification and should be determined by test prior to use for distribution of these materials." QUESTIONS: 1. Does 192.59, Plastic Pipe, allow gas such as carbon monoxide to be transported in pipe manufactured in accordance with ASTM D2513-81? 2. If it has not yet been determined if it is allowable to transport CO gas in pipe manufactured in accordance with ASTM D2513-81, what test must be performed by the operator to qualify pipe manufactured in accordance with ASTM D2513-81 for use in transporting CO gas? 3. In addition, has any pipe manufactured in accordance with ASTM D2513-81 been qualified for the transportation of hydrogen gas? INTERPRETATION: 1. Section 192.59 allows carbon monoxide to be transported in pipe manufactured in accordance with ASTM D2513-81 so long as that pipe is also "resistant to chemicals with which contact may be anticipated." (192.59(a)(2)). The Plastic Pipe Institute Technical Report, PPI, TR-19 - August 1973, "Thermoplastic Piping for the Transport of Chemicals," lists Poly Vinyl Chloride (PVC) and Polyethylene (PE) pipe manufactured in accordance with ASTM D2513-81 as having good resistance to carbon monoxide. Those pipes would appear to be appropriate for carbon monoxide. 2. Not necessary with answer to 1 above and specific test requirements are outside the scope of 192.59. 3. In transporting hydrogen gas in plastic pipe the technical report mentioned in 1 above indicates that PVC and PE pipes manufactured in accordance with ASTM D2513-81 have good chemical resistance. Those pipes would appear to be appropriate for hydrogen. Richard L. Beam Associate Director for Pipeline Safety Regulation Materials Transportation Bureau MEMORANDUM Date: June 20, 1983 Reply to: W.H. Gute 59435 Subj: ACTION: Request for a Formal Interpretation Section 192.59 a(1) & (2) From: William H. Gute, Chief, Eastern Region, DMT-15 thru Robert L. Paullin, Associate Director for Operations and Enforcement, DMT-10 To: Richard L. Beam, Associate Director for Pipeline Safety Regulation, DMT-30 I am requesting that the Office of Pipeline Safety Regulation clarify if it is allowable for pipeline operators to transport in plastic pipe manufactured in accordance with ASTM D 2513-81 gases such as carbon monoxide (CO) or hydrogen (H). Section 192.59 a(1) & (2) states the following: 192.59 Plastic Pipe. (a) New plastic pipe is qualified for use under this part if - (1) When the pipe is manufactured it is manufactured in accordance with the latest listed edition of a listed specification, except that before March 21, 1975, it may be manufactured in accordance with any listed edition of a listed specification; and (2) It is resistant to chemicals with which contact may be anticipated. ASTM D 2513-81 states the following: "The pipe, tubing, and fittings covered by this specification are intended for use in the distribution of natural gas or petroleum fuels (propane-air and propane-butane vapor mixtures) where toughness and resistance to flattening, aging, and deterioration from water, gas and additives are required. Use of polyethylene systems with liquefied petroleum systems is covered in Appendix X2. Use of other plastic systems covered by this specification with liquid petroleum or manufactured or mixed gas distribution systems is not covered in this specification and should be determined by test prior to use for distribution of these materials." (See Attachment) I am aware of one pipeline transporting carbon monoxide gas in pipe manufactured in accordance with ASTM D 2513-81 (PE 3408). I have the following questions: 1. Does 192.59 "Plastic Pipe" allow gas such as carbon monoxide to be transported in pipe manufactured in accordance with ASTM D 2513-81? 2. If it has not yet been determined if it is allowable to transport CO gas in pipe manufactured in accordance with ASTM D 2513-81. What test must be performed by the operator to qualify pipe manufactured in accordance with ASTM D 2513-81 for use in transporting CO gas? 3. In addition, has any pipe manufactured in accordance with ASTM D 2513-81 been qualified for the transportation for hydrogen gas? Enclosures: D 2513-81 THERMOPLASTIC GAS PRESSURE PIPE, TUBING, AND FITTINGS Fed. Register/Vol. 48, No 163/ Monday, August 22, 1983/Rules & Regulations  dal\192.1-b\59\83-08-05 page \* arabic dal\192.1-b\59\83-08-05 page \* arabic5 }  August 5, 1983 INFORMATION: Use of Plastic Pipe to Transport Carbon Monoxide or Hydrogen Richard L. 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