The annual marine pollution joint response exercises, code-named Oilex 2021 and Maritime Hazardous and Noxious Substances (HNS) 2021, were conducted by various government departments this morning (October 27) in the waters west of Lamma Island to test their marine pollution responses in the event of spillage of oil and HNS in Hong Kong waters.
In the test scenario, an oil tanker collided with a container vessel, leading to fuel oil spilling from the oil tanker and four containers loaded with maleic anhydride falling overboard. Subsequently, an oil spill response team arrived at the scene and cleaned spilled oil from the sea surface. The Fire Services Department (FSD) and other response groups were also tasked at the scene to contain and handle the probable spilled maleic anhydride as necessary to prevent threats to the nearby environment and facilities.
In the exercises, various participating parties carried out a series of simulated response actions. After the simulated oil spill, the oil tanker anchored to the waters west of Lamma Island, and a salvage team transferred the fuel oil from the damaged tank and patched the leak to stop further oil spillage at the source. In addition, an oil pollution combat team deployed floating barrier booms to encircle the oil tanker and set up barrier booms in the vicinity to prevent the spill from spreading. The exercise also simulated the spraying of oil dispersant, with water from pollution control vessels and a Government Flying Service (GFS) helicopter, onto oil on the sea surface, as well as the use of oil skimmers and other equipment. At the same time, a shoreline cleaning team conducted a shoreline oil clean-up drill in Tai Wan To, Lamma Island. In combating the simulated HNS spill, the response groups lifted the damaged containers out from the sea to stop the pollution at the source.
The joint response exercises were co-ordinated by the Marine Department and the Environmental Protection Department. The participating government departments and organisations included the FSD, the GFS, the Hong Kong Police Force, the Government Laboratory and the Civil Aid Service, as well as several oil companies and a pollution control company jointly formed by them.
The response exercises provided a hands-on experience for response members and helped relevant parties adopt an effective emergency response strategy for preventing pollution according to the properties and extents of spilled substances.
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