MARICO Marine NZ Limited WELLINGTON HARBOUR PORT AND ...

Rank No.
Hazard Reference
24 2
Report No: 05NZ104 WELLINGTON HARBOUR
Issue: Issue 1.1 Operational Risk Assessment
Hazard
Description
Foreign flagged fishing vessel of less than 500GT in grounding situation in
the harbour approaches.
25 78 Tanker in contact berthing situation at Seaview Wharf 4.3
26 9 Charter fishing vessel in grounding situation e.g. Chaffers Passage. 4.3
27 17
Ferry or large vessel and fishing vessel in developing collision situation on
approach to or within harbour.
28 49 Harbour ferry in contact berthing situation at any berth. 4.29
29 48
30 60
31 57
Vessel at container berth in contact berthing with container cranes during
departure.
Recreational fishing craft swamped or capsized by wash of passing large
vessel.
Fishing vessel founders at harbour entrance in adverse southerly
conditions.
Table 6 : Top 31 Ranked Hazards
Risk By Consequence
Category
M L W C
Greater Wellington Regional Council /
CentrePort Ltd Page 68 of 102
Risk Overall
4.3
4.3
4.24
4.22
4.17
People
Property
Environment
Stakeholders
People
Property
Environment
Stakeholders
0 0 0 3 7 6 4 6
0 3 0 0 4 7 6 6
3 3 0 0 7 4 2 6
0 0 0 3 7 6 4 6
0 6 0 0 6 3 0 6
0 3 0 0 6 7 2 7
6 0 0 0 6 2 0 6
3 0 0 0 7 6 2 6
However, Table 6 reports that the highest risk (a serious ferry incident at
the harbour entrance), has have an overall risk score of 6.8. This is at the
end of the ALARP region26 , when considered against the treatment criteria.
Although this risk involves passenger ferry operations with associated
consequence potential from any serious incident, the frequency of initiating
26 The difference in individual risk scores between the most likely and worst credible data sets is because
the frequency (or probability) associated with the worst credible case is lower, but the consequence
scores are all maximum.