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ALASKA REGION RESEARCH VESSELALASKA REGION RESEARCH VESSEL
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Significant Differences and ImprovementsSignificant Differences and Improvements
from 2004 Designfrom 2004 Design
• LOA increased 6 feet
• Eliminated large fish trawl capability
• Increase noise abatement specifics
• Improved crew accommodations
• Science load handling systems improved
• Centerboard design refined
• Eliminated Aloft Conning Station
• Improved lab arrangements and details
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Science Capabilities of the ARRVScience Capabilities of the ARRV
The ARRV will provide the tools needed to support oceanThe ARRV will provide the tools needed to support ocean
research on the emerging critical questions throughout the Northresearch on the emerging critical questions throughout the North
Pacific, Bering Sea, and Arctic OceanPacific, Bering Sea, and Arctic Ocean
• State-of-the-art acoustic systems for bathymetry and bottom mapping
• “Hands-free” over-the-side profiling and water sampling system
• Capability for deck arrangements to be configured for long cores, mooring
deployments, ROV deployments, biological tows etc.
• Acoustically quiet ice capable vessel
• Deck services for ROV and AUV deployments and support vans
• Accommodations for large multidisciplinary science parties
• Environmental chamber and freezer for controlled experiments
• Excellent seakeeping and station keeping capabilities
• Can accommodate up to four science vans
• State-of-the-art science data and communications systems
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Main LabMain Lab• 1000 Square Feet
• Two Chemical Hoods
• Adjustable bench with sink
Main Deck
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Computer LabComputer Lab• 410 Square Feet
• Nine Full Racks
Main Deck
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Analytical LabAnalytical Lab• 183 Square Feet
• One Chemical Fume Hood
• Temperature controlled
Main Deck
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Wet LabWet Lab• 510 Square Feet
• One Chemical Fume Hood
Main Deck
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Upper LabUpper Lab• 160 Square Feet
• Three Full Instrument Racks
03 Deck
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EM302 MultibeamEM302 Multibeam•Operating Freq: 30 kHz
•Transducer array: 1 X 1 (opt .5 X
1)
•Depth Range: 10-5000m
•Pulse Forms: CW and FM chirp
•Max soundings/ping : 864
•Depth Resolution: 1 cm
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EM710S MultibeamEM710S Multibeam•Operating Freq: 70-100 kHz
•Transducer array 1 X 1 (opt .5 X
1)
•Depth Range 3-1000m
•Pulse Forms, CW
•Max soundings/ping 400
•Depth Resolution 1 cm
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PS18 Sub-bottom profilerPS18 Sub-bottom profiler•Frequency Range: 0.5-6,15-20,30-42kHz
•Signatures : CW, Chirp, Ricker
•Depth Range: 30 – 10000m
• Max Penetration: ~150m
•Audible noise inside hull: none
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ADCP 75 kHz and 150 kHzADCP 75 kHz and 150 kHzPhased Array Current Profilers
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Acoustic CenterboardAcoustic Centerboard
EK-60 Scientific Sounder System
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Science Seawater SystemScience Seawater System
• Provides uncontaminated seawater
• Two sea chests; one forward and one
starboard side aft
• Each seachest instrumented with
thermosalinograph, fluorometer, flow
sensor
• PVC piping, food grade pumps
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Over-the-Side Winch SystemsOver-the-Side Winch Systems
• Hydro and CTD winches
- Direct Drive
- 3/8” Wire rope led aft to A-frame or starboard crane
- 0.322” EM cable led starboard to CTD handling boom
- Drums interchangeable, one spare empty drum
• Deep-Sea Winch
- Two storage drums served by single traction device
- 9/16” Wire rope
- 0.680” Coax cable
- Led to A-frame or starboard crane
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Ice Performance MeasurementsIce Performance Measurements
Turning radius (m) Ahead Astern
0.45m - 0.5m ice 300m (4.5*LWL) 220m
0.8m ice 350m (5.3*LWL) 220m
Ice breaking (per PC-5 classification)
Medium First Year Ice with Multiyear Inclusion
(WMO definition, 0.70-1.20 m)
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Concluding RemarksConcluding Remarks
• Successful Final Design Review Oct 2008
• National Science Board Review May 2009
• Shipyard Contract Selection Summer 2009
• Shipyard Contract Award Winter 2010
• Ship Delivery 2013
• Post-delivery Science & Ice Testing
• Ready For Science 2014
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CTD Handling SystemCTD Handling System
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Working WireWorking Wire
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Annual and monthly operability (short-crested seas)Annual and monthly operability (short-crested seas)
Mess Deck, in South Bering Sea, ARRV and RevelleMess Deck, in South Bering Sea, ARRV and Revelle
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Spare Acoustic WellsSpare Acoustic WellsTen general purpose transducer wells
One (future or science furnished) 38 kHz Ocean Surveyor ADCP
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Hull Form Design for Ice OperationsHull Form Design for Ice Operations• Reamers, improves turning radius and reduces friction
• Ice wedge, splits and guides ice and improves stability
• Ice breaking bow form, with improvements for open
water performance
• 24” frames and significant shell plating
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JASON Deck LayoutJASON Deck Layout
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Physical Oceanography/MooringPhysical Oceanography/Mooring
Deck LayoutDeck Layout
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NORCOR Piston CoreNORCOR Piston Core
ArrangementArrangement