MARICO Marine NZ Limited WELLINGTON HARBOUR PORT AND ...

Report No: 05NZ104 WELLINGTON HARBOUR
Issue: Issue 1.1 Operational Risk Assessment
training and operation. These were reviewed and used for initial hazard
identification. Beacon Hill procedures were considered in a similar manner.
2.3 HAZID MEETINGS AND WORKSHOPS
Hazard Identification commenced at an early stage, with a draft but generic
list being developed by Marico staff. The generic list represented most of the
available and realistic accident scenarios given the type and mix of
navigational traffic in any one area.
This was followed by a hazard identification review meetings, held at
CentrePort. These involved senior harbour personnel familiar with marine
operations and navigation within harbour limits as well as the Study Team.
These meetings were led and structured by experienced facilitators who took
the discussions sequentially through the identified accident categories and
vessel types affected for each area in turn.
Using the data obtained from interviews, familiarisation trips, document
studies, HAZID meetings and workshops, a preliminary hazard list was
focussed and further derived, from which a hazard database was
constructed and populated in the Hazman software package. Consequence
of hazard realisation and causation were considered alongside the hazards.
Hazard identification was thus comprehensive, proactive, and not confined
only to hazards that have materialised in the past.
A total of 78 hazards were identified at overview level as being associated
with navigational activities within the Wellington Harbour Limits. These
were developed into a format suitable for scoring by a subsequent meeting.
2.4 RISK ASSESSMENT SCORING
A further meeting was held with the hazard identification team to consider
the hazards and assess each one against the NZ Risk assessment guideline
frequency and consequence criteria. This was achieved for both most likely
and worst credible scenarios. Using risk ranking methodology, the hazards
were ranked in risk order on the basis of the most likely and worst credible
scoring. These were then reviewed both independently and at further
meetings with individuals and with stakeholders. The incident database
records for the Harbour were then reviewed to provide consistency and
underpinning to the quality of hazard scoring. The scored hazard list is
attached in ranked order at Annex E.
Greater Wellington Regional Council /
CentrePort Ltd Page 5 of 102