smart scoping with community engagement and base level ... · method description effectiveness hard...
TRANSCRIPT
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David Ratté, PE, FEMA Region X
Ferrin Affleck, PE, CFM, STARR II
Marshall Rivers, CFM, STARR II
June 21,2018
Smart Scoping with Community
Engagement and Base Level Engineering
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Agenda
▸Introduction
▸Base Level Engineering
(BLE)
▸R10 Discovery & Project
Planning (Scoping)
▸Example - Middle
Columbia-Hood
Watershed
▸Conclusion
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Base Level Engineering (BLE)
▸Provide low cost model backed data for:
Discovery Discussions Identify future projects
Early look at flood risk
Initiate discussions in advance of FIRM
Unearth community data
Best available data for floodplain management Use where no SFHA or BFE available
Elevation Certificates, Floodproofing Certificates, LOMA and LOMR-F
Floodplain Inventory Validation for Zone A
R10 significant
mileage of
unmodernized
Zone A
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Base Level Engineering (BLE)
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Base Level Engineering (BLE)
Option Cross section Flow Paths Manning’s “n” Structures
A (Min.)
Auto placed Equal Single
Value
None
B (Good)
Auto w/
Adjustments
Auto Land
Cover
None(Prepared)
C (Better)
Review all Adjusted Land
Cover
Assumed
D (Best)
Review all Adjusted Land
Cover(Calibrate)
Measured
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FEMA Region 10 Risk MAP Process
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Discovery and Project Scoping
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Discovery and Project Scoping
Goal is to refine scope using community input
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Project Scoping Issues
▸Timing
LiDAR BLE Discovery
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Project Scoping Issues
▸Timing
LiDAR BLEDiscovery
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Project Scoping Issues
▸Timing
LiDAR BLE Discovery
LiDAR BLEDiscovery
LiDAR BLEDiscovery
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Project Scoping Issues
▸Community Engagement
Significant time lapse since Discovery
Communities don’t know where to start
Outdated mapping inhibits informed
discussions
General request for “data” is rarely fruitful
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Enhance the Process with BLE
Include
BLE
Better
Community
Engagement
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What BLE Adds to the Conversation
▸Model backed floodplains
Old vs New comparison
More detail (based on LiDAR)
Dynamic digital data
Prompts Mitigation
Discussions
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What BLE Adds to the Conversation
▸Other BLE enhancements
Study priorities
Bridge pinch points
Levee significance
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Presenting BLE results to Communities
Method Description Effectiveness
Hard copy maps Deliver a book of PDF or Printed
maps
Moderate/Low
In-person
meeting
Shorter meeting with all
stakeholders together
Moderate/Low
Geo-platform Share link to data housed on web High
Web meeting Multiple meetings targeted to
stakeholders
High
Personalized approach
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Impact on Community Engagement
▸Captures their attention
Preview SFHA and risk
Empower FPA
▸Enables feedback
Identify issues & concerns
Focus priorities
▸Encourages contribution
Collect or provide data
Community
Buy-in
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Example – Middle Columbia-Hood (MCH)
▸July 2015 - Discovery
3 Counties
700 miles identified
LiDAR Available
In process
Not available
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MCH – Summer 2016 Meet in Person
▸Share BLE results
Presentation of approach
Hard copy maps
Verified interest
▸Requested communities to:
Review data
Give feedback
Identify priorities
Share data
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MCH – Summer 2016 Meet in Person
▸Feedback during the
meeting
Draft flooding is
significantly impacts
our airstrip?!?
This Photo by Unknown Author is licensed under CC BY-SA
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MCH – Fall 2016 Post Meeting
▸Waited for more feedback…
Review data
Give feedback
Identify priorities
Share data
we didn’t get much
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MCH – Summer 2017 Web Meetings
▸Targeted meetings
▸Provide on GeoPlatform
Old vs New floodplains
Recommended priorities
▸During the meetings
Confirm/Changed priorities
Listen to concerns
Discuss specific data needs
Planned field visits
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MCH – Post Web Meetings
▸As-builts provided
▸Fieldwork with county
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FEMA GeoPlatform – Pre Meeting
Medium Priority
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FEMA GeoPlatform – With Feedback
High Priority
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FEMA GeoPlatform – Updated Scope
Refine Modeling
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Summary
▸BLE is a first cut floodplain that can inform many
situations
▸Unique issues in Region 10 give cause for added
coordination during project planning (Post Discovery)
▸Smart use of BLE in project planning
Helps the Region make informed decisions
Encourages community engagement
Ultimately yields a better product
Early discussions on contributing factors, areas of
mitigation interest and project ideas
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Questions?