This advisory focuses on prevention of any untoward incident during internal transfer of bunker or bulk oils onboard, says an article published on Skuld.
Bunkering operation
During bunkering operation, the bunker fuel is loaded into the fuel storage tanks fitted with heating coils and, when the fuel is ready to be used, it is transferred to the fuel settling tanks via the FO transfer pumps equipped with a suction strainer. Sometimes there is a transfer of fuel from one storage tank to another,...
https://mfame.guru/avoiding-accidents-during-the-transfer-of-bunker-and-bulk-oils/