It has been agreed to publish interpretations isssued by the B31 Committee concerning B31.9as part of the update service to the Code. The interpretations have been assigned numbers inchronological order. Each interpretation applies to the latest Edition at the time of issuance ofthe interpretation or the Edition stated in the reply. Subsequent revisions to the Code may havesuperseded the reply. The interpretations are not part of the Code.These replies are taken verbatim from the original letters, except for a few typographical andeditorial corrections made for the purpose of improved clarity. In some instances, a review ofthe interpretation revealed a need for corrections of a technical nature. In these cases, a revisedreply, bearing the original interpretation number with the suffix R, is presented. In the case wherean interpretation is corrected by Errata, the original interpretation number with the suffix E is used.ASME procedures provide for reconsideration of these interpretations when or if additionalinformation is available which the inquirer believes might affect the interpretation. Further,persons aggrieved by an interpretation may appeal to the cognizant ASME committee or subcommittee.As stated in the Statement of Policy in the Code documents, ASME does not “approve,”“certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.For detailed instructions on the preparation of technical inquiries to the B31 Committee, referto Mandatory Appendix IV.
ASME B31.9 INTERPRETATIONS-2007 history
2010ASME B31.9 INTERPRETATIONS-2010 Interpretations to B31.9-1996 Building Services Piping (Includes Interpretation March 1987 through November 2010)