MARICO Marine NZ Limited WELLINGTON HARBOUR PORT AND ...

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Report No: 05NZ104 WELLINGTON HARBOUR Issue: Issue 1.1 Operational Risk Assessment Rank No. Hazard Reference 67 36 Affected Areas Main Harbour, Lambton Harbour, Evans Bay Approaches, Entrance, Main Harbour, 68 62 Lambton Harbour, Evans Bay Accident Category Collision Personal Injury Hazard Title Leisure Craft and Waka in Conflict Personal Injury to Swimmer. Hazard Detail Waka and leisure craft in developing collision situation. Craft or vessel in conflict with swimmer or diver close to shore in the vicinity of popular bathing areas (includes rowing skifs). Affected Vessel Types Leisure Craft, Waka/Dragon Boat All Vessels, All Vessels Affected Stakeholders Seafarers Seafarers Possible Causes Poor lookout on leisure craft which is travelling at an excessive speed and disregarding Bylaws or Maritime Rule 91. Lack of maritime knowledge by leisure vessel operator. Possible consumption of alcohol impairs judgment. Sunglare impedes vision. Craft navigating at speed within 200 metres of shore including rowing skiffs and coaching craft. Skipper unaware of Regulations or bylaws covering this situation. Charter vessel cruising close to shore, swimmer difficult to detect at dusk, by night or in reduced visibility. Swimmers proceeding beyond 200 metre buoys. Swimmers not seen in glare off water. Swimmers using areas designated as Access Lanes or Reserved Area at the same time as craft. Lane markers or signage not present in established lane or area. Consequence Descriptions Most Likely (ML) Close quarters situation but collision averted. Swimmer hit on head by windsurfer or rowing skiff (minor injury or near miss). Worst Credible (WC) Runabout navigating at speed runs over Waka with potential for multiple fatalities on impact and persons in water. Swimmer run over by power driven craft with fatality. Alternatively, the same outcome involves a racing straight 8 rowing skiff practicing for race. Risk By Consequence Category M L W C Greater Wellington Regional Council / CentrePort Ltd Page E37 of E41 People Property Environment Stakeholders People Property Environment Stakeholders Risk Overall 0 0 0 0 7 2 0 6 2.71 0 0 0 0 7 0 0 6 2.69 Remarks Attendant safety boats may be used to alert other craft to presence of wakas. Wakas may be operating without safety boats in attendance. General education level of leisure user is an issue, particularly the availability of high power-displacement ratio of many power driven leisure craft. The 200 metres zone off the Oriental Bay shoreline is well marked with buoys. Some leisure vessel users may not have any form of boating knowledge and may be unaware of the significance of these buoys. The presence of the harbour authority workboat and Harbour Rangers enhances safety and awareness of the hazards. Waterborne Wharf Police patrols also provide an education and enforcement resource. Swimmers may be encountered in other harbour areas such as Days Bay, Kau Bay and Scorching Bay and are reportedly encountered beyond the 200 metre zone occasionally. Charter vessels may navigate within 200 metres of shore at slow speed. Access lane markers have been taken down during road works or similar shore based maintenance works. Signage may be vandalized or defaced.
Report No: 05NZ104 WELLINGTON HARBOUR Issue: Issue 1.1 Operational Risk Assessment Rank No. Hazard Reference Affected Areas 69 38 Entrance Accident Category Contact Navigation Hazard Title Fishing Vessel Contact Navigation Hazard Detail Fishing vessel in contact with navigational beacon Affected Vessel Types Fishing vessel, All Vessels Affected Stakeholders Seafarers Possible Causes Poor lookout. Inattention to track setting and course keeping. Failure to appreciate effect of wind and tidal stream. Loss of situational awareness in dark, fog or restricted visibility. Fatigue, or consumption of drugs/alcohol impairs watchkeeping ability. Steering or mechanical failure. Poor visibility from wheelhouse (positioning of fishing equipment obscures line of sight). Not using radar or radar incorrectly set up. Not using all available nav aids such as plotter. Not being actively monitored by Beacon Hill. Consequence Descriptions Most Likely (ML) Vessel sights structure at close range and contact averted with near miss. Worst Credible (WC) Risk By Consequence Category M L W C Greater Wellington Regional Council / CentrePort Ltd Page E38 of E41 People Property Environment Stakeholders People Property Environment Stakeholders Risk Overall Wooden hulled inshore trawler contacts Steeple Rock beacon at speed causing rapid water ingress to hull. Potential for fatality from the contact event. 0 0 0 0 6 4 4 4 2.68 Possible loss of marine diesel to sea. Beacon structure requires repair and light temporarily inoperative. Remarks Fishing vessels have struck Steeple Light (there was one relatively serious event resulting in a large hole above the waterline). To date no vessels have sunk as a result. Vessels navigating in this area are under radar observation from Beacon Hill and operating procedures require these vessels to be acquired and plotted by ARPA while in radar sight. Signal station operators are tasked with observing the safe transit of vessels within sight and particularly radar sight. Procedure is set for the alerting of a vessel observed standing into danger. However, some situations are more clearly apparent than others - as vessels routinely pass close to navigational marks such as Steeple Beacon, it is difficult for signal operators to detect with any certainty whether a vessel will contact the structure or pass it closely. A small alteration of course by the vessel concerned at a late stage may either result in a contact or averted contact. Operators are less likely to intervene in these cases but have done so in the past where no ambiguity has existed, for example in the case of a foreign fishing vessel shaping to pass to the East of Ward Island.
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Rank No. Hazard Reference 24 2 Repo
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