Tag: CHIRP

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Hazardous occurrence related to unsafe navigation procedures

Challenges faced and Lessons to be learned Confidential Hazardous Incident Reporting Programme (CHIRP) has received a report regarding a collision avoidance occurence between an offshore support vessel and a tanker.Report text:"While standing by a Mobile Offshore Drilling Unit, my offshore support vessel was steaming slowly (dodging) approximately North at around 2.5 knots. At the change of watch at 0900, a tanker of approximately 20,000 tonnes was noted steaming at approximately 14 knots on a heading of roughly south east which would have taken the vessel directly through the position of the rig. A radar plot was commenced and the actions of the tanker noted."Through a succession of small alterations of course to port, the tanker increased her CPA with the rig but consequently put her on a collision course with my vessel. The radar plot was maintained until the tanker was at a distance of 8 cables with a Closest Point of Approach (CPA) of 0.03 miles. I deemed that the tanker was taking no appreciable efforts to avoid collision and altered my course to starboard. The tanker then made a large alteration of course to port and I continued to turn under increased power until the tanker had passed ...

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Hazardous occurrence related to premature commencement of loading LNG

Challenges faced and Lessons to be learned Confidential Hazardous Incident Reporting Programme (CHIRP) has received a report regarding premature commencement of loading LNG.Report text:"Our LNG (Liquefied Natural Gas) carrier recently had a problem at a loading terminal. There was the normal discussion between the Loadmaster and the Chief Officer regarding safety matters etc. On completion of the Cold Emergency Shut Down test the Loadmaster asked if the vessel was ready to commence loading. The Chief Officer explained that prior to loading the ships lines had to be cooled to110C. At that time the warmest part of the system was at -28C and therefore not adequately cooled."A short time later the Loadmaster asked if they were ready to load but still the lines were not cooled to the correct temperature. The Loadmaster left and returned within minutes and advised the Chief Officer that loading had commenced at a rate of 1000m/hr. At this time the vessel was not lined up for Loading. The terminal was given a Letter of Protest:"The procedure for loading of LNG ships at our terminal has not been changed. But during the cool down operation and start of loading of your good vessel, the terminal procedure for ...

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