teledyne odom europort tsp redmayne
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TOWED SURVEY PLATFORM (TSP)
Mike Redmayne MSc IHO/FIG Cat A
ADCPs in Action10 November 2011
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Who are we?
Founded: 1985; acquired byTeledyne in December 2008
Products:Single Beam Echo soundersMultibeam Echo soundersSound Velocity Probes (SVP)
Employees: 27
Locations:Baton Rouge, LA, USAPoway, CA, USA
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What is the TSP?
Towable survey Platform (TSP) is a floating, towablevessel that can support a complete multibeam and/orDoppler survey suite.
The TSP relieves the user of mobilization anddemobilization costs for small to medium sizedsurveys.
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Previous Examples
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Over the Side Mounts
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Other deployment methods
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Synchronizing multiple data sources
Real Time Appliance
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RTA Features Time stamping of data from all sensors to 0.1ms Ease of setup Collation of all data through one device output through
Ethernet
Removal of any variable latency in the DMS
MBES data Firmware upgradeable through Ethernet Interfacing with various motion sensor systems Single power source for Multibeam, TSS DMS, Odom SVP
and GPS
Supports dual head capability Compatible with future models of Odom multibeam
Real Time Appliance
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Three (4) port Ethernet switch
90 260 VAC 50/60 Hz Time stamps data reference to 1PPS
signal from GPS with UTC time within20ns.
Optional built in GPS heading system
Upgradeable to fully integrated ApplanixGPS/INS system Field serviceable
Real Time Appliance
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Network Diagram
RTA
GPS
MBES SonarSV Probe
Motion Sensor
CollectionComputer
MBES Controller
Computer
Heading
Key:
RS232 Serial Cable
Ethernet Cable
Wet Mateable cable
L120kHz
packets/sec151 bytes
SV 1Hz
NMEA GGA,VTG andZDA 10Hz
H, P, R100Hz
NMEA HDG10Hz
L2
20KHzpackets/sec151 bytes/packet
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Integrated GPS Heading system
Horizontal Accuracy:< 0.02 m 95% confidence (RTK 1,4)
< 0.6 m 95% confidence (DGPS1)< 2.5 m 95% confidence (autonomous, no SA2)
Heading Accuracy:< 0.30 rms @ 0.5 m antenna separation< 0.15 rms @ 1.0 m antenna separation< 0.10 rms @ 2.0 m antenna separation
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Old, Fangled, Mangled and Tangled
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Managing vertical datum
Squat/ Settlement(Sinkage/Trim)
Tide corrected data1. TRDI will provide a
squat/Settlement curve for theTSP carrying full instrumentationpackage
2. Operator will need to keep in nullof near field wave train
KGPS corrected data1. Put the TSP anywhere. KGPS
handles the Squat/Settlementissue
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Towing Characteristics
Will operate at up to 7 knots.
Will maintain relative position WRT towing vessel.
Tow position can be adjusted by user.
Designed for protected waters but is operable inrougher seas.
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Physical Characteristics
Can be deployed and recovered by 2 people when fully instrumented
1 person with mast removed
Fits between the wheel wells of a standard pickup
truck.
Relative positions of sensors is maintainedbetween Mob.s. (recalibration not required)
Mast with instrumentation can be used withoutplatform.
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Financial
EXPENDITURE
Capital equipment cost (k$)
Sonar $50
Ancillary Sensors $60
TSP $35
Operating cost
Vessel Day rate $1 Personnel $0.6
Mob/demob 2 days
INCOME
Survey sell rate $4.5
Surveys 8
Average survey length 5
Financial conditionsWorking Capital Rate 10%
Discount Rate 5%
Depreciation life (years) 3
Sales growth 5%
Tax 40%
Overhead 7%
Selling expenses 10%
G&A Expenses 8%
(The fine print)
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Financials: Result
Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7
Mobilization Cum. Disc. Cash Flow (92,291) (58,533) (25,433) (5,367) 14,605 34,448 54,128
TSP Cum. Disc. Cash Flow (102,125) (43,420) 14,376 54,917 95,237 135,266 174,940
Mobilization Net Income (520) 554 1,628 24,702 25,776 26,850 27,924
TSP Net Income 13,600 15,730 17,860 48,990 51,120 53,250 55,380
Mobilization Gross Sales 180,000 189,000 198,000 207,000 216,000 225,000 234,000
TSP Gross Sales 180,000 189,000 198,000 207,000 216,000 225,000 234,000
-150,000
-100,000
-50,000
0
50,000
100,000
150,000
200,000
250,000
300,000
$
TSP and Mobilized System Income and Cash Flow
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Questions?
Teledyne Odom Hydrographic1450 Seaboard Avenue
Baton Rouge, LA 70810P: 225-769-3051
[email protected] www.odomhydrographic.com