Clasification Society Rulefinder 2026 - Version 9.60
Clasification Society Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, January 2016 - Part 11 PRODUCTION, STORAGE AND OFFLOADING OF LIQUEFIED GASES IN BULK - Chapter 20 Barges and Offshore Units Equipped with Regasification - Section 8 Regasification testing and trials

Section 8 Regasification testing and trials

Parent topic: Chapter 20 Barges and Offshore Units Equipped with Regasification

8.1 Testing and trials prior to commissioning

8.1.1  During construction or conversion of the barge or offshore unit, the following additional tests and trials for the regasification system shall be carried out:
  • Pressure and leak test of LNG and NG piping.
  • Suction drum leak test.
  • Safety valves setting.
  • Function tests of fire safety systems, emergency shutdown system, process shutdown system, gas detection system, depressurising and blowdown system.
  • Function tests of control, monitoring, alert and safety systems.
  • Regasification heating pumps function tests.
  • Verification of the requirements derived from the Risk Analysis as required by Pt 11, Ch 20, 3 Risk based analysis.
  • Verify the equipment fails safe when subjected to a simulated failure of systems and equipment.

8.2 Commissioning regasification trials

8.2.1  The regasification trials program shall be prepared and submitted for approval. The regasification trial program shall include technical and operational information relevant to such testing.

8.2.2  Preliminary regasification trials shall consist of a running test of the regasification system with LNG low flow for the function test and shall be carried out after gas trials and before delivery.

8.2.3  The full capacity test of the regasification plant shall be carried out at an operational site.

8.2.4  The test and measurements shall be carried according to these Rules, manufacturer’s standards and industry best practice.

8.2.5  After completion of the regasification trials, a report quantifying that the trials programme has been satisfactorily completed, shall be prepared and submitted. A copy of the report shall be retained on board the barge or offshore unit.

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