RRS James Clark Ross

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RRS James Clark Ross

• Time for a mid-life refit?

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RRS Ernest Shackleton
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RRS Ernest Shackleton

• LOA 80.0M
• Draft 6.15m
• Dead weight 1800 T
• DnV Class 1A1 EO Icebreaker ICE05
• Commissioned 1995
• DP Class 2
• Logistics vessel, offshore survey, limited
  science
• 15 year bare-boat charter

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RRS James Clark Ross
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RRS James Clark Ross

• LOA 99.04M
• Draft 6.40m
• Lloyds 100A1 Ice Class 1AS
• Commissioned 1991
• DP Retrofit
• Science survey, logistics vessel
• Owned by NERC, operated by BAS

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RRS James Clark Ross
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RRS James Clark RossScientific Facilities

• 10 and 30 tonne traction winches
• Aft starboard gantry
• Seismic compressors
• Instrumentation laboratory
• Wet, chemical, biological, radio chemical
  laboratories
• 1o x 1o multibeam and sbp
• Acoustic systems
• AUV deployment

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RRS James Clark RossScientific Facilities

• 2005 ROV fit
• 2005 Acoustic position reference system

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RRS James Clark RossScience Role

• Geosciences
• Seismics
• Bathymetry
• Ocean floor profiling
• Glaciological activity

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RRS James Clark RossScience Role

• Biological Sciences
• Animal surveys acoustics
• Trawling
• Animal laboratory studies

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RRS James Clark RossScience Role

• Oceanographic Sciences
• CTD deployments
• Ocean currents
• Ocean sampling

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RRS James Clark RossMid-Life Refit

• First cruise September 1991
• 30-day refit each year 5-year contract
• Work polar regions
• Long-term work commitment
• Continuous replacements mid-life refit?

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RRS James Clark RossWinches10 tonne 30
tonne traction winches
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RRS James Clark Ross Cables

• Tapered trawl warp - 15,000m
• Superaramid cable - 8,000m
• Deep tow coaxial - 10,000m
• Coring warp - 7,000m
• CTD - 8,000m
• Hydrographic wire - 9,000m
• EM cable - 3,000m
• Trawl warp - 3,000m
• Gilson winches -

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RRS James Clark RossGantries
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RRS James Clark RossEquipment Replacements

• Electrical control system
• Air handling units
• Galley equipment
• Effer cranes
• LTFW cooler
• Windows

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RRS James Clark RossRecent Installations

• VSAT communications
• EK60 and EA600
• LAN CAT. 5
• Continuous IT upgrades

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RRS James Clark RossInstrumentation Replacements

• RDI ADCP
• Furuno Sonar
• CTD/Bottle Upgrade

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RRS James Clark Ross

• Is continuous refit the correct approach?
• Views on winch replacements?
• Views on instrumentation replacements?
• Future science trends?
• User feedback?