Page 132 - ΝΑΥΤΙΚΑ ΧΡΟΝΙΚΑ - ΜΑΙΟΣ 2024
P. 132

HORIZON FROM THE BRIDGE


                                                                      When being prepared for loading, all vehicles
                                                                      will undergo another physical safety inspection
                                                                      to ensure that they can be safely driven and do
                                                                      not present a fire risk. Maintaining a fire watch
                                                                      at all times, particularly if fire detection systems
                                                                      have been disabled during loading, is critical
                                                                      to ensure potential issues are identified at an
                                                                      early stage. In the event of any of these signs
                                                                      being apparent, emergency actions, as speci-
                                                                      fied in individual procedures, should be taken.
                                                                      Fire/smoke detection systems and ventilation
                                                                      systems should be operated in accordance with
                                                                      individual company procedures. A pre-loading
                                                                      meeting should be held between all relevant par-
                                                                      ties to confirm arrangements and discuss the
                                                                      loading plan. Once in the final stowage position,
                                                                      all vehicles must have the ignition system turned
                                                                      off, keys removed, parking brake set, and trans-
                                                                      mission placed in park or for manual vehicles
                                                                      left in gear. Hybrid and electric vehicles should
                                                                      undergo an additional check to confirm that the
                                                                      ignition is off.
                                                                      It is recommended that vehicles should undergo
                                                                      temperature monitoring during loading and once
                                                                      in the final stowage position. Used light Internal
                                                                      Combustion Engine (ICE) vehicles should have
                                                                      their battery disconnected and isolated, and this
                                                                      should be documented. Once stowed, high or
                                                                      heavy units will have the battery kill/isolation
                              cell enters an uncontrollable, self-heating state)   switch activated. Any vehicles or equipment with
                              occur.                                  moving parts should be confirmed as locked
                              A percentage of 30-40% is considered to be   down and be suitably secured for sea conditions.
                              the best balance between ensuring the vehicle   All vehicles must be secured in accordance with
                              has sufficient power for manoeuvring during   the vessel’s CSM and lashing plan.
                              transportation and safety. Some OEMs typi-
                              cally require higher states of charge to protect   During the Voyage
                              the vehicle’s systems. In the event of thermal   All vehicles should be regularly inspected
                              runaway, batteries with a lower state of charge   throughout the course of the voyage to ensure
                              may release significant quantities of highly toxic,   that all lashings are secure, that monitoring
                              flammable, potentially explosive, and corrosive   equipment is available, that no vehicle is show-
                              gases. Batteries with a high state of charge can   ing any increased temperature, and that no
                              produce flame jets, in addition to the gases, in   fluid leaks have developed. Where leaks are
                              the event of thermal runaway. When the battery   noted, these should be contained and cleaned
                              of an electric vehicle is in thermal runaway, the   up promptly. On electric and hybrid vehicles,
                              gases will vent with loud popping or screaming   these leaks may be electrolytes from the battery
                              noises followed by black and white clouds of   packs, which are highly toxic and should only be
                              what appears to be smoke.               cleaned up with appropriate PPE. Fire/smoke
                                                                      detection systems for vehicle decks should be
                              Presentation at the Terminal            fully operational throughout the voyage. All but
                              On arrival at the terminal, all vehicles should   essential work should be avoided. Essential work
                              undergo a safety inspection to ensure that they   should only be conducted after the activity has
                              do not pose any undue risk to personnel, other   been risk-assessed. Any situation that poten-
                              vehicles, the carrying vessel, or the environment.   tially increases the risk of an incident should
                              The safety inspection will confirm that the vehi-  be reported to the owners and operators as a
                              cles can be safely loaded, that fire risks are min-  matter of urgency in accordance with individual
                              imised, and that the vehicles can be safely and   company procedures.
                              effectively stowed and secured on board.


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