{"operation":"document","citation":"RCSA § 16-280b-B20","title":"Pressure testing","source_type":"regulation","agency":"Connecticut Public Utilities Regulatory Authority","status":"current","official":true,"published_on":"2025-06-11","effective_on":"2025-06-11","summary":"(a) Any pressure test performed pursuant to 49 CFR 192, Subpart J, as amended from time to time, shall: (1) be conducted using a gauge such that the test pressure is in the middle third of the range of the gauge; (2) be conducted at a test pressure of at least 150 percent of the desired MAOP or 90 pounds per square inc","machine_formats":{"json":"https://regulus.evalyn.ai/document/ct-rcsa-16-280b-b20.json","markdown":"https://regulus.evalyn.ai/document/ct-rcsa-16-280b-b20.md"},"app_url":"https://regulus.evalyn.ai/document/ct-rcsa-16-280b-b20","source_url":"https://eregulations.ct.gov/eRegsPortal/Search/getDocument?guid=%7BE04F6097-0000-CC1C-9D68-25A0BA411C82%7D","body":"(a) Any pressure test performed pursuant to 49 CFR 192, Subpart J, as amended from time to time, shall: (1) be conducted using a gauge such that the test pressure is in the middle third of the range of the gauge; (2) be conducted at a test pressure of at least 150 percent of the desired MAOP or 90 pounds per square inch gauge, whichever is greater; (3) not be conducted against any valve separating the section being pressure tested from a Pipeline containing Gas, unless approved by the Authority in writing; and (4) be of a minimum duration in accordance with 49 CFR 192, Subpart J, as amended from time to time, or Table B20-1, whichever is greater. Table B20-1 - Minimum Pressure Test Duration Nominal Pipe Diameter (Inches) 30 Pipeline Length (feet) 2 and less >2 to <8 8 and up < 200 15 min 30 min 1 hour 200 to <1,000 30 min 2 hours 4 hours 4 hours 6 hours 1,000 to <2,500 1 hour 2,500 to 5,000 2 hours 6 hours 12 hours * > 5,000 3 hours 8 hours * 24 hours * * A leakage survey shall be conducted between 3 and 14 calendar days after the Pipeline is pressurized with Gas. (b) Prior to applying any pressure test medium, the Pipeline being tested shall be opened to atmosphere to verify that no positive Gas pressure exists in the section to be tested. (c) The pressure test medium shall not be Gas when pressure testing a section of existing Low Pressure Main to allow for operation at High Pressure.","truncated":false,"body_characters":1409}