Agenda Review project scope and goals Update project status Review results of public surveys Identification of capital projects Draft capital.
Jan 29, 2016
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Agenda Agenda
Review project scope and goals
Update project status
Review results of public surveys
Identification of capital projects
Draft capital improvement plan
Moving forward
Roadmap for Managing Stormwater
Roadmap for Managing Stormwater
Capital improvement projects Project specific solutions
Regional solutions if applicable
Estimated capital costs
Priority list
Water quality recommendations Town outfalls
Best Management Practices (structural and non-structural)
Roadmap for Managing Stormwater
Roadmap for Managing Stormwater
GIS mapping Master planning Maintenance BMP retrofits
Stormwater ordinances Flood control Water quality
Stakeholder involvement Town staff Public survey/meetings
Project Update Project Update Project update to Board on April 5, 2006
Field survey GPS field collection completed Vertical survey completed at select locations
Public input May 2006 – Stormwater Management Survey sent to property
owners within the Town Two public meetings held on June 8, 2006
Project Update Project Update Existing conditions modeling complete
Potential project locations identified
Alternatives analysis complete
Draft capital improvement plan submitted for Town review on October 18, 2006
Public Survey Results Public Survey Results 4,668 surveys mailed to Town
property owners using the mailing list from the Town’s quarterly Newsletter.
638 surveys completed and returned, or filled out on-line
13.7% response rate
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Public Survey ResultsPublic Survey Results
88
179
311
550
459
327Street Flooding
Flooding
Erosion
No
Yes
Public Survey ResultsPublic Survey Results
184
69
127
454
569
511Other DrainageProblems
Flooding from AdjacentLots
Public Funding forPrivate Problems
No
Yes
Public Survey ResultsPublic Survey Results
Property FloodingStorage Building – 43
HVAC Flooding – 11
Crawl Space Flooding – 28
Living Space Flooding – 29
Yard flooding from stream/ditch – 70
Yard Flooding from street runoff – 137
Yard flooding from adjacent property - 85
Property FloodingStorage Building – 43
HVAC Flooding – 11
Crawl Space Flooding – 28
Living Space Flooding – 29
Yard flooding from stream/ditch – 70
Yard Flooding from street runoff – 137
Yard flooding from adjacent property - 85
Project IdentificationProject Identification
Flood control projectsProject list provided by Town Staff
Feedback from residents (surveys and public meetings)
Hydrologic and hydraulic modeling results
Water quality projectsGIS layers (aerial photography, land use, stormwater inventory, topography)
Field reconnaissance
Flood control project locations
Flood control projectsProject list provided by Town Staff
Feedback from residents (surveys and public meetings)
Hydrologic and hydraulic modeling results
Water quality projectsGIS layers (aerial photography, land use, stormwater inventory, topography)
Field reconnaissance
Flood control project locations
26 total projects proposed
19 projects proposed to reduce roadway, structural, and property flooding and provide water quality treatment, if feasible
7 projects proposed as water quality retrofits to predominantly treat areas draining to Town maintained outfalls
Projects will reduce the amount of pollutants reaching critical waterbodies
26 total projects proposed
19 projects proposed to reduce roadway, structural, and property flooding and provide water quality treatment, if feasible
7 projects proposed as water quality retrofits to predominantly treat areas draining to Town maintained outfalls
Projects will reduce the amount of pollutants reaching critical waterbodies
Capital Improvement PlanCapital Improvement Plan
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NC 12 HWY
S CROATAN HWY
S VIRGINIA DARE TRL
S OLD OREGON INLET RD
S WRIGHTSVILLE AVE
NO NAME
S LINDA LN
S LINKS DR
W D
AN
UB
E S
T
S LARK AVE
S PILOT LN
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Legend
Project Locations
# Flood Control
! Water Quality
National Shore Area
^ Outfalls
Dare County
I
Flood control projects reduce flooding by:
Providing drainage where no drainage system currently exists
Increasing capacity of drainage systems that are currently under capacity
Reestablishing compromised drainage systems
Providing water quality treatment where feasible using vegetative conveyance, BMPs, or other treatment devices
Flood control projects reduce flooding by:
Providing drainage where no drainage system currently exists
Increasing capacity of drainage systems that are currently under capacity
Reestablishing compromised drainage systems
Providing water quality treatment where feasible using vegetative conveyance, BMPs, or other treatment devices
Capital Improvement PlanCapital Improvement Plan
Project description
Existing level of service
Proposed improvements
Proposed level of service
Estimated construction costs
Ownership and maintenance responsibilities
Potential for grant funding
Project description
Existing level of service
Proposed improvements
Proposed level of service
Estimated construction costs
Ownership and maintenance responsibilities
Potential for grant funding
Capital Improvement Plan Flood Control Project Components
Capital Improvement Plan Flood Control Project Components
Water quality projects improve water quality by:
Providing regional water quality treatment if feasible
Using pocket practices predominantly for commercial areas (highly impervious areas)
Focusing on areas draining towards Town maintained outfalls
Treating runoff from the first 1.5 inches of rainfall
Water quality projects improve water quality by:
Providing regional water quality treatment if feasible
Using pocket practices predominantly for commercial areas (highly impervious areas)
Focusing on areas draining towards Town maintained outfalls
Treating runoff from the first 1.5 inches of rainfall
Capital Improvement PlanCapital Improvement Plan
Project description
Drainage area
Percent impervious
Proposed improvements
Volume stormwater treated
Estimated construction costs
Project description
Drainage area
Percent impervious
Proposed improvements
Volume stormwater treated
Estimated construction costs
Capital Improvement Plan Water Quality Project Components
Capital Improvement Plan Water Quality Project Components
Draft CIP plan under review by Town Staff
Address Town comments on CIP plan and submit complete report
Finalize report based on any additional Town comments
Draft CIP plan under review by Town Staff
Address Town comments on CIP plan and submit complete report
Finalize report based on any additional Town comments
Moving ForwardMoving Forward
Thank you!Thank you!
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