Criticality: High Progress: Not Addressed Score: 40 DOT Relevance: ยง192.727
Description of Key Area
Abandonment or
deactivation of facilities is considered under Subpart M (Maintenance) of 49
CFR 192. It defines the rules for abandoning pipelines.
Discussion of Criticality
Abandonment methods for
hydrogen pipelines must be established to ensure public safety.
Discussion of Progress
This topic will be covered
in ASME B31.12.
Recommendations
Standards for
abandonment or deactivation of hydrogen facilities must be established and
incorporated by reference into the federal code. These standards should include
methods of purging, purging gases, gas detection and abandonment procedures.
Material and fitting specifications should be considered. Determinations should
be made as to what materials and fittings are acceptable for use in the
procedures and how acceptable fittings should be tested.
