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Convergence of GPS, RFID, and EM DataUtility Locating and Mapping Communication Systems to Enhance Public Safety
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Cost of Accidents
Consequential CostsDeath/Injuries
Property DamagesEmergency Services
Repair CostLost Time
Lost MaterialLost Sales
Lost ProductionMachinery Damages
Secondary EmergencySpoilage
Legal Cost
Repair Cost / Fine
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EM Locating Basic Concept
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EM Locating• Digital EM Transmitter and Receiver
• Wide Range of Active Frequencies (163Hz-428KHz)
• Passive Frequencies (Power and Radio)
• Wide Range of Transmitter Power Output Voltages (30V-90V)• Higher output Voltages overcomes Impedance
• Transmitter Output Wattage Range from 1W (low power) to 10W (highest)
• Connection Options• Direct Coupling• Close Induction• Induction
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Failure Modes
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Coil Antenna Tune andEnergy Storage
EnvironmentallySealed/Hardened
Tuned Resonant RF Antenna A Complete Solution of
Form Factors and Depth Ranges
• Precision accuracy• Tolerant to congestion • Outlasts life of the facility• RFID identifies facility
attributes• Ease of use, simple• Cost effective
How it Works
Leading Applications
RDIF and EMS
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GPS in the Utility Industry
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High Accuracy GPS• Integrated external high
accuracy GPS receivers with tablet computers• Sub-foot quality data in real time • No need for post processing or a base
station• Field data directly inserted into the
GIS (with controls)• Integrated receivers, so far . . .
• Navcom• Geneq• Trimble
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Intelligent Utility Software• GIS-based software that
operates on smart phones and tablet computers• Creates GIS features in the
field• Update GIS feature attributes
in the field• Attach inspection records to
GIS features• Barcode readers for asset
management
• Real-time data transfer from field to office
• Cloud computing options
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Damage Prevention Enhances Public Safety
• RFID devices installed with utility infrastructure for locating directional drill shots, sewer laterals, tees, dead ends, directional changes, and at regular intervals open trench installations
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Integration Overview• Detection of all commonly-used RF utility markers
• 9 frequencies - near surface, marker balls, mid and long range
• Rapid marker response for quick searching
• Precise marker depth• Automatic marker depth
• Scan for RF markers, EM or both simultaneously
• GPS and data logging (Manual of 1 sec auto) • Bluetooth • USB
• Easy interface to mapping databases
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Data Collection• Measures and stores key usage parameters every second – e.g.
• Over 1 year capacity (2 GB)• Tamper-proof memory / software
• Data supports:• Usage analysis / work validation• Map creation / update • Training records / need identification
Time and date Signal strength / current Depth
Mode Fault Detection Battery status
Frequency Bar-graph readout Audio status
Marker type Dynamic Overload Protection / overload
CD / FF state Accessory in use GPS data
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Data Exporting• Survey measurement data that has GPS data
incorporated can be uploaded from locator and exported directly into Google Earth etc – uses Keyhole Mark-up Language (KML).
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Overlay to Existing GIS and Satellite Imagery
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Enhanced Mapping for Planning and Excavation Projects
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Data Collection Workflow
Collect GPS Data
Create Feature
Bring Hardware Back to the Office
Download Data
Post Process
Data
Integrate Data into GIS
Collect Data in
the Field
Integrate Data into GIS
>Existing
>New