Practical Resilience Strategies for Florida's Built Environment

PRACTICAL RESILIENCE STRATEGIES

Storm Guidance for Florida’s Historic Communities

Community Capacity Study

GOAL: DEVELOP A PRACTICAL ANALYSIS OF THE REGULATORY AND MITIGATION CHALLENGES CONFRONTING MUNICIPAL GOVERNMENTS WITH HISTORIC RESOURCES

Preliminary Research

Community Outreach

Case Study Development

Recurring Themes and Emerging Trends

Observations

Funding and Programmatic Assistance

Mitigation Barriers

Regulatory Complications

Infrastructure Capacity

Environmental Resources

Social Equity

Insurance Rating and Costs

Implementation

How can you support historic preservation and climate change?

Storm Mitigation at the Property and Community Scale

Floodplain Management for Historic Buildings

FEMA Flood and Wind Incentives

Flood Mitigation Options:

◦ Wet floodproofing

◦ Dry floodproofing

◦ Elevating or relocating

◦ Community Flood Mitigation Strategies

Local Government Tools

Storm Guidance for Florida’s Historic Communities

Floodplain Management –

Property Owner Guidance

Federal Regulations

• National Flood Insurance Program

Storm Guidance for Florida’s Historic Communities

Floodplain Management –

Property Owner Guidance

Federal Regulations

• National Flood Insurance Program

Storm Guidance for Florida’s Historic Communities

Floodplain Management –

Property Owner Guidance

Flood Insurance Rate Maps

• Pre-firm Structures

• FIRM Revisions

• Evaluating Sea Level Rise

Storm Guidance for Florida’s Historic Communities

Floodplain Management –

Property Owner Guidance

Implementing Floodplain Regulations

◦ Historic Properties and Floodplain Regs

Storm Guidance for Florida’s Historic Communities

Floodplain Management –

Property Owner Guidance

Implementing Floodplain Regulations

◦ Historic Properties and Floodplain Regs

◦ Substantial Damage and Substantial Improvement

◦ Repetitive Loss and Severe Repetitive Loss

Storm Guidance for Florida’s Historic Communities

FEMA Flood Incentives

Property Owner Guidance

Community Rating System

Historic Preservation benefits of CRS

Storm Guidance for Florida’s Historic Communities

FEMA Wind Incentives –

Property Owner Guidance

Wind Vulnerability

Wind Retrofitting Projects

Wind Insurance

Storm Guidance for Florida’s Historic Communities

FEMA Wind Incentives

– Property Owner Guidance

Wind Vulnerability

Wind Retrofitting Projects

Wind Insurance

Wind Retrofit Assessment

Storm Guidance for Florida’s Historic Communities

FEMA Wind Incentives

Property Owner Guidance

–

FEMA Basic Mitigation Package:

◦ Roof Replacement

◦ Roof Retrofit

◦ Roof Vents, Soffits, and Overhangs

◦ Windows and Doors

Storm Guidance for Florida’s Historic Communities

FEMA Wind Incentives

Property Owner Guidance

–

Intermediate Mitigation Packages

◦ Window and Door Protection

◦ Gable-end Bracing

◦ Porches and Carports

Storm Guidance for Florida’s Historic Communities

FEMA Wind Incentives –

Property Owner Guidance

Advanced Mitigation Packages

Storm Guidance for Florida’s Historic Communities

Building Flood Mitigation Options – Property Owner Guidance

Consideration Factors

• Level of vulnerability

• Size and setbacks of parcel

• Historic configuration

• Building type and style

• Historic building materials

• Building use

• Potential for insurance premium reduction

• Implementation

Storm Guidance for Florida’s Historic Communities

• Flood openings

Wet Floodproofing –

Property Owner Guidance

• Flood openings

• Uses below Design Flood Elevation (DFE)

Storm Guidance for Florida’s Historic Communities

Wet Floodproofing –

Property Owner Guidance

• Flood openings

• Uses below Design Flood Elevation (DFE)

• Raise the floor

Wet Floodproofing –

Property Owner Guidance

• Flood openings

• Uses below Design Flood

Elevation (DFE)

• Raise the floor

Storm Guidance for Florida’s Historic Communities

Wet Floodproofing –

Property Owner Guidance

• Flood openings

• Uses below Design Flood Elevation (DFE)

• Raise the floor

• Limit first floor use

• Change of use

Storm Guidance for Florida’s Historic Communities

ca. 1903 Jacksonville Flooding (Florida Memory)

Dry

Floodproofing

Dry Floodproofing –

Property Owner Guidance

• Potential height of floodwater

• Masonry / concrete buildings

Storm Guidance for Florida’s Historic Communities

Dry Floodproofing – Property Owner

Guidance

WALL SEALERS

JOINT SEALERS

• Potential height of floodwater

• Masonry / concrete buildings

• Wall and slab sealers

• Joint sealers

Storm Guidance for Florida’s Historic Communities

• Barriers and shields

Dry Floodproofing – Property Owner

Guidance

Dry Floodproofing –

Owner Guidance

• Barriers and shields

• Fenestration modification

Storm Guidance for Florida’s Historic Communities

Owner Guidance

• Barriers and shields

• Fenestration modification

• Secondary drainage system

• Building maintenance

• Perimeter barriers

Owner Guidance

• Permanent perimeter barriers

• Deployable perimeter barriers

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating – Property Owner Guidance

• Elevation height

• Maintain historic character

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Residential parcel constraints

• Parcel size and configuration

• Access and parking

• Stairs, ramps, porches, and stoops

Property Owner Guidance

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Residential parcel constraints

• Parcel size and configuration

• Access and parking

• Stairs, ramps, porches, and stoops

• Prominent alignments

• Landscape features

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Residential parcel constraints

• Parcel size and configuration

• Access and parking

• Stairs, ramps, porches, and stoops

• Prominent alignments

• Landscape features

• Building foundations

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Residential parcel constraints

• Parcel size and configuration

• Access and parking

• Stairs, ramps, porches, and stoops

• Prominent alignments

• Landscape features

• Building foundations

• Foundation screening

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Non-residential parcel constraints

• Parcel size and configuration

• Access and parking

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Non-residential parcel constraints

• Parcel size and configuration

• Access and parking

Storm Guidance for Florida’s Historic Communities

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Elevating or Relocating –

Property Owner Guidance

Relocating

• Compatible parcel

• Accessible route

• Restoration of prior parcel

Storm Guidance for Florida’s Historic Communities

Community Flood Mitigation

Strategies – Local Government Guidance

Stormwater Management Improvements

Utility Infrastructure Improvements

Transportation Infrastructure Improvements

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Identifying Properties in Flood-prone Areas

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Identifying Properties in Flood-prone Areas

Addressing Preservation in Local Planning Initiatives

◦ Cultural Resource Hazard Mitigation Plan

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Identifying Properties in Flood-prone Areas

Addressing Preservation in Local Planning Initiatives

◦ Cultural Resource Hazard Mitigation Plan

◦ Comprehensive Plans

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Identifying Properties in Flood-prone Areas

Addressing Preservation in Local Planning Initiatives

◦ Cultural Resource Hazard Mitigation Plan

◦ Comprehensive Plans

◦ Comprehensive Emergency Management

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Identifying Properties in Flood-prone Areas

Addressing Preservation in Local Planning Initiatives

◦ Cultural Resource Hazard Mitigation Plan

◦ Comprehensive Plans

◦ Comprehensive Emergency Management

◦ Adaptation Plans

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

◦ Zoning code heights

◦ Streetscape rhythm

◦ Building setback and environmental buffer requirements

◦ Limit lot coverage or impervious surface ratio

◦ Implement low-impact development standards

◦ Limiting stormwater runoff from a property

◦ Limiting parking under single- and two-family residential buildings

◦ Screening parking for large-scale residential and nonresidential buildings

◦ Encouraging character-defining elements like front porches in residential construction in lieu of garage doors

◦ Overlay zones

◦ Zoning ordinance definitions

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation –

Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

• Design Guidelines for Storm Mitigation

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

• Design Guidancelines for Storm Mitigation

• Local Archaeology Program

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

• Design Guidancelines for Storm Mitigation

• Local Archaeology Program

• Economic Assessment Analysis

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

• Design Guidancelines for Storm Mitigation

• Local Archaeology Program

• Economic Assessment Analysis

• Participate in the Community Rating System

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

• Modify Zoning Ordinance

• Modify Building Code Requirements

• Modify Local Floodplain Regulations

• Incentives for Rehabilitation

• Design Guidancelines for Storm Mitigation

• Local Archaeology Program

• Economic Assessment Analysis

• Participate in the Community Rating System

• Encourage Property Maintenance

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Plan Storm Response and Recovery for Historic Resources

◦ Create an Expedited Review Process

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation –

Local Government Guidance

Plan Storm Response and Recovery for Historic Resources

◦ Create an Expedited Review Process

◦ Identify Preservation Partners

Storm Guidance for Florida’s Historic Communities

Local Tools: Preservation and Storm Mitigation – Local Government Guidance

Plan Storm Response and Recovery for Historic Resources

◦ Create an Expedited Review Process

◦ Identify Preservation Partners

◦ Establish a Debris Salvage Plan

◦ Develop Information for Property Owners

Storm Guidance for Florida’s Historic Communities