ERIKA Sea Tech Week, Brest, 19 th of october 2006 Captain Charles Claden.
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Transcript of ERIKA Sea Tech Week, Brest, 19 th of october 2006 Captain Charles Claden.
ERIKAERIKA12 & 13 december 199912 & 13 december 1999
Decision making
Drifting
Assessment
Daylight attempt
Helicopter
Personnel safety
Choice of towing gear
Search for shelter
ERIKA’s driftingERIKA’s drifting
Initial position : 47°10’ N – 004°36’ W Probable grounding around 5 AM on 13th
AssesmentAssesment
Action on the stern section
Estimation of the remaining oil : 10 000 Tons
Residual buoyancy unknown
Leakages replaced by sea water
Drift towards Belle-île island at 3 knots
Daylight attemptDaylight attempt
Night falls around 18h00Connecting at night would have been
dangerous
HelicopterHelicopter
Safety of the intervention team
Range of one hour on site
Nautical transfer dangerous
Personnel safetyPersonnel safety
To limit the time on deck
Split up the crew
Safety officer on deck
Training presentations
Crew’s experience
Barriers which are not at 100% impenetrable, time factor must be added
Draft of the casualtyDraft of the casualty
The break is about 20 meters forward the middle mast that means that the draft is more than 35 meters
Choice of towing gearChoice of towing gear
Emergency towing arrangement ( ETA)
Resolution OMI MSC 35 (63)
« Maritime Pusnes » system
Must be laid out by a single man in less than 15 minutes
Search for a shelterSearch for a shelter
Bathymetric line of 40 meters in blue
Maximum draft around 35 meters Dynamic draft around 45 meters due to the swell
ERIKAERIKA12 & 13 december 199912 & 13 december 1999
Operation
Air winching
Connection
towage
Wreckage
AirliftingAirlifting
Safety of the 2 men transfered to the Erika was ensured by the helicopter
Arrival: 14:00Leave at: 15:00
ConnConnectionection
After-deck covered (10 to 12 m wave height)
Need to shorten the duration of stay of the staff on the deck.
Surf riding startsRisk of collisionDuration: 7 minutes
ConsequencesConsequences
About 15 000 tons were spilledMostly at the time of ship breakingThe remaining could be pumped later
because the wreck was lying at 120 m depth
Retainment tow of the aft part avoided spilling an additional 10 000 tons at a time when no protection plan could have been activated