spatial asset management · 2012-07-19 · water network. 2,900 miles of water main. 60,000 valves....
TRANSCRIPT
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Spatial Asset Management
Cobb County Water Systems
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WELCOME
Spatial Asset Management at Cobb County Water System
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Introduction to Cobb County Water
• System Architecture– Feature Datasets
– Networks
– Editing/Versioning
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Annually, the Water System Delivers approx. 24 Billion Gallons of water to 150,000+ customers in Unincorporated
Cobb County.
Approx. 73 Million Gallons of wastewater is processed at one of the 4 WasteWater Treatment
Facilities daily.
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The Water System GIS team is responsible for maintaining a spatial database consisting of:
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Water Network2,900 miles of Water Main
60,000 Valves30,000 Hydrants15 Water Tanks9 Booster Pumps
150,000 Metered Customers175,000 Service Lines
Sewer Network2,700 Miles of Gravity Main45 Miles of Force Main
75,000 Manholes35 Lift Stations
4 Wastewater Treatment Facilities 130,000 Service Taps
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Silverlight Web Maps
• Arc10 Server
• For use by County Maintenance personnel
• Used by mobile workforce to identify assets and work in the field
• Very useful for identifying buried assets
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Upgrade Project to Maximo Spatial
• ArcGIS 10 and Maximo 7.5• Used for Asset Management Water Systems
– Water, Sewer and Storm Water
• Maximo serves as a transactional and historical repository
• Maximo manages corrective and preventive maintenance work orders
• GIS serves as the As‐Built state of the Networks
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Sharing of Data Between Systems
• The Spatial integration allows each system to maintain its data but share with the other.
• Data can be entered and exchanged from one system and viewed in the other.
• No synchronization of data for maximum accuracy.
• Work processes can be streamlined using the tools provided.
• Flexibility for users to work in the system they are most comfortable with.
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Business Risk Exposure (BRE)
• A County wide initiative to standardize a grading system to better enhance asset management.
• BRE will provide a scale to determine the ramifications of asset failure.
• The trend data collected from the program will help prevent future asset failure.
• Prevents extremely costly repairs and negative environmental impact.
• Repairs can be proactive instead of reactive.
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• Condition Assessment – the physical condition of an asset• Mitigation Factor – percentage value assigned to an asset
which determines • Likelihood of Failure –Probability or expected frequency of
a negative impact occurring.• Consequence of Failure – a negative impact on the
established or required level of service
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Expose Maximo Data to ArcGIS
• Expands available data sources related to assets in the network.
• Increasing the number of analysis options.
• Provides historical data for trend analysis.
• Allows for more intuitive symbology related to status and condition.
• Provides field personnel with visual condition of the current network.
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