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					Hillsborough County Flood
      Insurance Rate
       Map Update
 Mitigation Planning: Reducing Long-Term
 Impacts to Flooding through Working with
   Community Stakeholders and Citizens
                       Presented by:
   Eugene Henry, AICP, CFM and Chris Zambito, CFM
               Development Services Division
   Hillsborough County Planning and Growth Management
           and the Emergency Management Office
                        March 2003
                  Words of Wisdom
“want of foresight, unwillingness to act when
action would be simple and effective, lack of
clear thinking, confusion of counsel until the
emergency comes, until self-preservation
strikes its jarring gong – these are the
features which constituted the endless
repetition of history.”

•Mr. Winston Churchill just before World War II.
                                 Number of Parcels Affected as Water Elevation Rises
                                           (Sample Area Around the Alafia River)



Count of Parcels





                         1   2         3         4         5             6      7   8   9   10
                                                         Water Rise (in feet)
The purpose of pulling together community Stakeholders is
to have a broad representation from the Community that
will shape a public outreach program that will inform both
residents and businesses throughout the community of
modifications to the Flood Insurance Rate Maps (FIRM).

The Group will direct staff in the best format to educate the
community about an update to the FIRM. The outreach
process will include illustrating implications of map
modifications to individuals and business owners.
• Implications of adding Special Flood Hazard
  Areas to Flood Insurance Rate Maps include:
   – New areas requiring mandatory flood
     insurance coverage (for old and new
     structures), and
   – Implementing more stringent development
     and construction standards.
•   Note: This process will impact personal lives and broad representation from the
    community that includes, issuance of insurance, lending associated with mortgages,
    engineering of subdivisions and structures, surveying property, regulatory review,
    emergency response and public safety, and placement of housing and facilities.
To best inform the community, a group of stakeholders
will meet at least six (6) times between April and
September to develop a process that will be used
within the community. The Stakeholders Group is:
   – a coalition of professionals and citizens.
   – has a similar makeup of the Coalition that was formed at the
     National level that was instrumental in illustrating the
     importance of updating Flood Insurance Rate Maps.
   – is comprised principally of representatives whose business
     is directly impacted by modifications to Flood Insurance
     Rate Maps and whose business directly impact citizens and
     other business owners.
           Group Composition
• The Stakeholder Group within Hillsborough County is
  comprised of representatives from:
   – Hillsborough County’s Citizen Advisory Committee,
   – Residents that have shown an interest,
   – Representatives from insurers,
   – Representatives from real estate,
   – Representatives from lending institutions,
   – Engineering professionals,
   – Surveying professionals,
   – Legislative representatives, and
   – Federal Emergency Management Agency.
    Other Partnerships

• Land Use           • Auditors
  Planners           • Grant Writers
• Emergency          • Public Info.
  Planners             Offices
• Housing Planners   • Neighborhoods
• Stormwater Eng.s
• Solid Waste
              Group Charge
• Develop an outreach program over the
  next six months that will be implemented
  by jurisdictional staffs, which may include
  the use of:
  – six to eight community workshops during the public
    comment period,
  – press releases,
  – video spots on public television,
  – mailings and brochures,
  – a call center or hotline,
  – resource CDs, and
  – Internet-based links and products.
       Overview of CTP Projects
•   Start Date: Spring of 1999
•   Base Data: 17 Watershed Master Plans
•   County/City: Includes All 3 Cities and County
    – Only partial data submitted by cities, so most of the incorporated
      areas will have the same flood data.
    – DFIRM will cover all areas and new maps will be printed for
      County and cities.
•   The County Created a New Model for Local Conditions
    – HC SWMM 4.31B
    – Revised version of EPA-SWMM
•   Estimated Completion Date: February 2004
        Overview of County Watershed
• Start Date: 1996-1997
• County Divided into 17 Watersheds
  – County Further Divided into 7,000 Sub-basins
  – 11,000 Nodes (Junctions)
  – 19,000 Reaches (Conduits)
• Only CIP Projects Completed Could be Included
• Some Watershed Completed Before Completion of
  Revised SWMM Model
  – Had to be remapped as part of the CTP Agreement
  – Coastal Areas were not remapped
  Administrative Overview of CTP Project

• QA/QC of Watershed Data
   – 6 Separate consulting firms and the County worked on the 17
   – Review GIS files for consistency
• Communicate Items to Public
   – Stakeholders
   – General Public
   – County Commission/City Councils
• Maintain Consistency Between Groups
   – County (Public Works, Planning, Real Estate)
   – FEMA
   – Dewberry and Davis
                      At Risk
• Greater than 95,000 parcels, which is approx. ¼ of the
  county’s housing stock (some of which include multiple
• Greater than $5 billion in personal property protection
  from flood damage paid through approximately $10
  million in annual premiums,
• Approximately 25,000 added structures in which owners
  are not aware of residing within the Special Flood
  Hazard Area, and
• Standing under the National Flood Insurance Program.
        Study vs. Restudy

• Study = Areas with NO Base Flood
          Elevation (BFE)
• Restudy = Area that have already been
Flood Insurance Rate Map
Reasons for a Map Revision:
– New technical data,
– Correct known errors,
– Recognition of new floodplain,
– Impacts to the floodplain due to urbanization,
– Channel modifications due to changes to
  bridge, culvert, levee, or stormwater
  management systems, and
– Added floodway identification.
     Mapping Activity Includes
• Conversion of manually produced maps to a
  Geographic Information System (GIS)-based
  format and/or upgrade of old digital maps to
  current standards;
• A digital base map meeting current
• Resolution of mismatches in flood hazard
  information (Base Flood Elevations [BFEs],
  floodways, floodplain boundaries) across
  contiguous community boundaries; and
• Incorporation of Letters of Map Change.
    Alafia Area Repetitive Losses
(Compared to 1-5ft and 5-10ft properties)

                 Blue -        Repetitive Loss Sites
                 Yellow -      1-5ft Vulnerable Sites
                 Green -       5-10ft Vulnerable Sites
Public Work’s Projects
Example of Map Modification
    Hillsborough County Statistics
• Estimated Population: 1,055,807
   – County: 688,953
    – City of Tampa: 313,611
    – Cities of Temple Terrace and Plant City: 53, 243
•   County Area: 1,072 Square Miles
•   Growth Example:
    – 25,500 New Housing Units Between April 2000 and April 2002
• The County is Susceptible to 3 Basic Flood Hazards
    – Coastal (Extremely flat slope from Bay to Land)
    – Riverine (3 major rivers throughout County)
    – Inland (Frequent afternoon thunderstorms for urban flooding)
•   40% of the County is Within the 100-year Floodplain
         Potential Issue Areas
• Residents that have been previously removed from the
  Special Flood Hazard Area (SFHA),
• New areas identified as within the SFHA,
• New Floodways without a boundary delineation,
• Higher base-flood elevations,
• New regulations,
• Display of geographic and other mapping features, and
• Accepting new map panel format, and
• Increased areas requiring flood insurance coverage.
   Options for the Individual in
        Disputed Areas
• Revalidation of Issued Letters from FEMA,
• Letter of Map Revisions (LOMRs) or Amendments,
• Conditional Letter of Map Revisions with
  Subsequent LOMRs for Individuals,
• Physical Map Revision,
• Model Dispute,
• Elevation Certificates, and
• Engineering Plans (e.g., An approved Grading
    Illustration of Insurance Impact
• Pre-FIRM Structure Rate approx.        $600,
• Floods during post-FIRM era and is considered
  substantially damaged,
• Structure not elevated, community is in violation
  under NFIP (faces probation/suspension) and
  structure may be either omitted from the NFIP
  program or will pay actuary rates of greater than

•   Note: This is only an example
•   Source: FEMA, EMI, 2000, actual rates reported by County residents.
         Example of Increased Flood
            Insurance Premiums
• Structure repaired and elevated two feet above the BFE, Post FIRM
  Ins. Premium:
     – (Hills. Co is approx. $600 to $800),                               $195
• Structure repaired and built to BFE:
     – (Hills. Co. is approx $500 to $1,100)                              $290
• Structure repaired (not substantial improvement) and is elevated to
  be two feet below BFE:
     – (Hills Co. is est. to be greater than $2,000)                      $950

•   Note: Rates are for example purposes, Hills. County rates would be greater.
    Current flood insurance rates paid for a post-FIRM structure in the Apollo
    Beach is slightly greater than $1,000. Pre-FIRM structures are slightly less.
•   Source: FEMA, EMI, 2000.
      Illustration of Added
   Construction Requirements
• New structures are required to be built to
  the Base-Flood Elevation.
• Additions are required to be built to the
  new Base-Flood Elevation (BFE).
• Hydrostatic vents required for storage
• Flood resistant materials required for
  areas below the BFE.
            OUTREACH GOALS
• Goal 1: Decrease flood map appeals and protests and facilitate
  community ownership and involvement.
• Goal 2: Educate the public about flood risks and the importance of
  flood hazard mapping.
• Goal 3: Increase community and individual participation in the
• Goal 4: Improve the methods of educating stakeholders.
• Goal 5: Develop and maintain continuous information exchange and
  encourage active participation of stakeholders throughout the flood
  mapping process.
• Goal 6: Encourage partnering with other organizations and
  maximize the use of existing outreach resources and processes.
               Outreach Benefits
• Recognition of the many benefits of conducting outreach campaigns
  to inform stakeholders about the NFIP and the importance of flood
  maps as building blocks of the program and solicit continuous input
  throughout the mapping process. These outreach benefits include:
   – Garnering support for the NFIP, in general, and the mapping program in
   – Identifying partnering opportunities to leverage existing resources;
   – Developing more accurate maps in less time;
   – Enhancing community buy-in and ownership of the maps;
   – Preventing misinformation and confusion;
   – Increasing public understanding about how and why flood maps are
   – Avoiding protests and appeals; and
   – Encouraging best practices in floodplain management and safer
              Group Charge
• Develop an outreach program over the
  next six months that will be implemented
  by jurisdictional staffs, which may include
  the use of:
  – six to eight community workshops during the public
    comment period,
  – press releases,
  – video spots on public television,
  – mailings and brochures,
  – a call center or hotline,
  – resource CDs, and
  – Internet-based links and products.
• Assessing the Level of Outreach Needed
• Refine outreach process and goals;
• Identify outreach opportunities;
• Identify messages;
• Generate a list of outreach activities to be
• Identify tools to be used; and
• Identify potential resources and partnering
        FIRM Update Schedule
• August 2003
   – Have Board and Councils approve public outreach process
     forwarded by the Stakeholder group.
• September 2003
   – Preliminary Maps available for display. Sunset for Stakeholder
• Fall -- Winter 2004
   – Public Comment and Appeal Period
• Summer 2004
   – Map Adoption.
• Fall 2004
   – Maintenance Begins.
  Tentative Schedule of Outreach Activities

• April
   – Presentation of Outreach Programs that have been used throughout the
     Country and assessment of needs.
• May
   – Refine outreach process, message, opportunities, and goals.
• June
   – Generate a list of outreach activities to be conducted.
   – Decide on outreach products per audience.
• July
   – Assign resources to conduct outreach.
   – Assign release date for workshop products.
   – Assign dates of Public Workshops.
• August
   – Review implementation process and forward to Board and Councils for
             Outreach Plan (near completion)
1.1    Outreach Assessment
1.2    Outreach Plan Template
       1.2.1. Outreach Roles and Responsibilities

               Program Overview Materials
                    (to be developed)
2.1    Central Message
2.2    Brochures
2.3    Fact Sheets
2.4    Floodplain Management Tools
2.5    Call Center/Hotline Development Tools
2.6    Resource CD
2.7    Evaluation Tools
                     Meeting Materials
                     (to be developed)
3.1    Meeting Planner Checklists
3.2    Press Releases
3.3    Invitations/Promotional Materials
3.4    Public Notices
3.5    Agenda Templates
3.6    Presentations
3.7    Community Quiz
3.8    Tools for Soliciting Comment/Input
3.9    Case Studies
3.10   Success Stories

                                 Promotional Materials
4.1       Website Considerations
4.2       Promotional Timeline
4.3       Articles and Newsletters
4.4       Radio, Television, and Print Ads
4.5       Considerations for Coordinating Advertising Efforts
4.6       Videos
4.7       Invitations for Meetings
4.8       Invitation Lists and Mailing Lists
4.9       Postcard Mailers
4.10      Case Studies
4.11      Success Stories

                                       Visual Aids
5.1       Posters
5.2       Flood Pictorials
5.3       Interactive Displays
5.4       Detailed, Local Maps
5.5       Kiosks for Fairs, Malls, Libraries, and Conferences
5.6       Storyboards for Easel Displays
5.7       Videos (Educational and Training)

                                 Website Development
6.1       Website Guidance Tools
6.2       CD-ROM
6.3       Website Promotion

                              Outreach Training Materials
7.1       Interactive Web-Based Training Tutorials
7.2       Train-the-Trainer Materials
7.3       Pilot Tests
7.4       Evaluation Tools

(Source: FEMA Region IV, 2003)
                    Contact Info
For More Info:

Eugene P. Henry, CFM, AICP (813.307.4541)
Chris Zambito, CFM (813.307.4510)
Hillsborough County Planning and Growth Management Dept.
Hazard Mitigation Section

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