Pennsylvania Code & Bulletin

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 51 Pa.B. 6892 (October 30, 2021).

52 Pa. Code § 61.48. Periodic inspections.

§ 61.48. Periodic inspections.

 (a)  Steam traps and trap piping assemblies shall be inspected for general condition and proper operation at least once a year.

 (b)  Blow-off valves shall be checked for operability immediately prior to closing each associated main valve during a scheduled shutdown of a section of the steam distribution pipeline system. Removal of condensate from a shutdown section of pipeline shall be accomplished prior to reopening main valves.

 (c)  Accessible expansion joints shall be inspected at least twice annually. The inspection shall include checks for leakage, proper alignment and traverse measurement.

 (d)  Service valves owned by the utility located within the customer’s building shall be inspected at least once annually.

 (e)  Manholes owned by the utility containing steam facilities shall be inspected for general conditions and adequacy of insulation at least once annually.

 (f)  Remote system pressure indicating devices shall be inspected and tested for accuracy at least once every 2 years. At a minimum, pressure indicating gauges shall be installed at the interface between portions of the system which are designed for different operating pressures.


   The provisions of this §  61.48 issued under the Public Utility Code, 66 Pa.C.S. § §  501 and 1501.


   The provisions of this §  61.48 adopted December 1, 2017, effective December 2, 2017, 47 Pa.B. 7314.

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