Name: Hazardous Roadway Overtopping

Display Field: StreamName

Type: Feature Layer

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Description: Hazardous Roadway Overtopping Locations:SummaryThis layer contains the locations in City of Fort Worth, which experience repeated flooding due to water overtopping from adjacent streams and water ponding due to inadequate storm drain conveyance system. Most of these locations were originally identified and studied by Deotte, Inc. in 2005 in order to develop a risk based priority. This priority was being used by the city for managing flood warning systems. However, a need for a comprehensive program to improve the existing infrastructure at these locations was recognized in order to reduce the number of such frequently flooded locations which would in turn enable relocating the flood warning system to other locations that didn’t have a warning system before. This led to the development of Hazardous Roadway Overtopping Mitigation program based on a revised scoring methodology and while incorporating more storm water incidents observed in the city since Deotte’s study. Freese and Nichols assisted the city with reprioritizing the locations based on hazard, developing cost estimates, and scoring the feasibility of providing infrastructure improvements for high priority hazardous overtopping locations.Contact persons: Naven Kathuroju, Kiran KonduruDescriptionThe following are the metrics and the scoring system used to compute the hazard based score:Depth of Flow over Road:DepthPoints0-1’51’-3’8>3’10Frequency of Overtopping:FrequencyPointsInfrequent1Frequent4>3’10Stormwater Incidents:IncidentPointsComplaints0.5Rescue5Fatality10Flooding or Downstream Threat:DS ThreatPoints0-10%210-50%850-100%10The scoring based on these metrics is added and sorted among all locations for ranking purposes. A low rank or a high score indicates high hazard.Contact person: Naven Kathuroju, Kiran Konduru

Copyright Text: Freese and Nichols

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Spatial Reference: 102738  (2276)  LatestVCSWkid(0)

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• Address ( type: esriFieldTypeString, alias: Address, length: 150 )
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