Subsystem Hazard Analysis on an Offshore Waste Disposal Facility

Offshore waste disposal facilities are unique marine infrastructures that exist only in a few countries. Although the existing facilities in Japan and Singapore have been successfully operated in general, there have been no investigations on the probable hazards they pose on the environment. Conside...

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Bibliographic Details
Published in:International journal of environmental research and public health 2020-10, Vol.17 (21), p.7755
Main Authors: Oh, Sang-Ho, Kim, Seung-Woo
Format: Article
Language:English
Subjects:
Construction
Environment
Environmental hazards
Environmental impact
Hazard identification
Japan
Landfill
Refuse Disposal
Republic of Korea
Risk assessment
Safety Management
Singapore
Subsystems
Waste disposal
Waste Disposal Facilities
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Summary:Offshore waste disposal facilities are unique marine infrastructures that exist only in a few countries. Although the existing facilities in Japan and Singapore have been successfully operated in general, there have been no investigations on the probable hazards they pose on the environment. Considering this, conceivable hazards were identified for an offshore waste disposal facility that has recently been proposed in Korea. The causes and consequences of each of the identified hazards were analyzed to seek countermeasures for reducing the environmental impact in advance. Hazards of waste disposal facilities can be classified according to their design, construction, maintenance, operation, and site utilization. For these areas, except for site utilization, subsystem hazard analysis was performed. In the initial assessment, seven elements were found to be in the extreme risk zone, 30 were in the high-risk zone, and six were in the moderate-risk zone. After applying the alternative mitigation methods, the final risk assessment resulted in 27 moderate-risk and 16 low-risk elements. Therefore, it was confirmed that the potential risks of the proposed offshore waste disposal facility were within acceptable ranges.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph17217755