Section 109.01 - Applicability and Scope(1)220 CMR 109.00 regulates the design, construction, operation, and maintenance of a pipeline with a maximum allowable operating pressure (MAOP) in excess of 200 pounds per square inch gauge (psig).(2)220 CMR 109.00 applies to every gas company, municipal gas department, or other person engaged in the design, construction, operation, and maintenance of a pipeline with an MAOP in excess of 200 psig and within the jurisdiction of the Commonwealth of Massachusetts.Amended by Mass Register Issue 1432, eff. 12/11/2020.