This　paper　aims　at　proposing　a　framework　for　modelling　the　safety　of　an　engineering　system　with　various　types　of　uncertainties　using　a　fuzzy　rule-based　evidential　reasoning　(FURBER)　approach.　In　the　framework,　parameters　used　to　define　the　safety　level,　including　failure　rate,　failure　consequence　severity　and　failure　consequence　probability,　are　described　using　fuzzy　linguistic　variables;　a　fuzzy　rule-base　designed　on　the　basis　of　a　belief　structure　is　used　to　capture　uncertainty　and　non-linear　relationships　between　these　parameters　and　the　safety　level;　and　the　inference　of　the　rule-based　system　is　implemented　using　the　evidential　reasoning　algorithm.　A　numerical　study　of　collision　risk　analysis　for　a　kind　of　offshore　platform　is　used　to　illustrate　the　application　of　the　proposed　approach.