Abstract:
The construction of breakwater at Sungai Terengganu river mouth has result the
navigation channel to shallow and narrowed. In this study, the impacts and risks of
construction of breakwater towards vessels navigation are investigated through risk
management and risk assessment approaches. The risk assessment are accomplished
through historical marine accident analysis and sampling to the breakwater users
which the level of impacts towards navigational defects before and after the
construction of breakwaters are essentially studied. The probabilistic risk assessment
includes the calculation of occurrence probability of the impacts. Analyses of the
impacts of breakwater construction to navigation at Sungai Terengganu river mouth
has investigate the major factors contribute to the impacts upon the construction of
breakwater and reviewed by diagrammatic logic of qualitative risk assessment. The
preliminary results of the study expected the improvement of navigation safety with
minimum impact reflected. The study also presents the recommendations for
improvement of navigation safety of while reduced the possible reflected impact.