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Planning for resilience in a vulnerable area of Tennessee, guided by the principles: protect, restore, and empower

Shelby County Resilience Planning and Implementation

业主
Shelby County Public Works
位置
Shelby County, TN
规模
Resilience Plan: 1,500 square miles, South Cypress: 120-acre site, Big Creek: 1,600-acre site
专业领域
规划与城市设计
额外服务
公众参与
景观
现况
In progress

Due to the catastrophic flooding in the Memphis metropolitan area in 2011, Shelby County was selected as an eligible applicant to the National Disaster Resilience Competition, a program sponsored by the US Department of Housing and Urban Development (HUD). Sasaki partnered closely with Shelby County to craft a winning proposal that outlines resiliency strategies that will prepare the area for future natural disasters. As a result of the proposal, HUD awarded $60.4 million to the County.

Four projects were funded with the award money. Sasaki is involved with three of those four projects:

  1. Mid-South Regional Resilience Master Plan
  2. Big Creek Implementation Plan
  3. South Cypress Creek Neighborhood Action and Implementation Plan

Having secured funding, the team has worked with Shelby County to develop all of the projects in unison. Planning and implementation recommendations focus on nature-based solutions and multi-benefit proposals in alignment with the Mid-South Regional Greenprint, an award-winning plan to connect the four-county region’s green spaces as one of the largest green infrastructure amenities in the nation.

Mid-South Regional Resilience Master Plan

The Mid-South Region, bordered by the Mississippi River to the west and home to several of its tributaries, struggles with significant flooding challenges. While three areas within the Mid-South were awarded funds to implement flood resilience projects to protect some of the region’s low-to-moderate income communities, recovery needs are still pervasive across the region. The Mid-South Regional Resilience Master Plan serves as a toolkit of projects and implementation strategies to help the 18 municipalities and four counties that comprise the region recover from the 2011 floods while also providing protection from other natural hazards that threaten the region and increasing the environmental quality and socio-economic opportunity for all residents of the region.

The planning process included local officials, residents, and business owners from across the Mid-South. Together, community goals were identified based on documented hazards and community priorities. The toolkit includes recommendations to improve resilience across multiple hazards in support of the community goals and existing plans. The plan identifies areas of relatively high risk and relatively low risk, with appropriate strategies for development, restoration, and conservation in each zone. In higher risk areas, the team adapted conventional best practices to address the complexities of multiple hazards, for example, flood resilience in an earthquake hazard area.

Big Creek Implementation Plan

The Big Creek Implementation Plan calls for flood mitigation strategies that protect the Naval Support Activity Mid-South, a major federal airbase that was significantly damaged in the 2011 floods. Additionally, the plan makes way for recreational, economic, and other environmental goals.

The main facet of the plan is a major park that doubles as a floodway. This floodway will redirect and retain flood waters, protecting the airbase and surrounding community from inundation. Upon completion in 2022, this park will provide recreational and educational amenities in a natural setting, and serve as a critical link in regional hydrology and greenway systems.

South Cypress Creek Neighborhood Action and Implementation Plan

The West Junction neighborhood, located near the confluence of the Mississippi River and the South Cypress Creek, was profoundly affected by the 2011 flooding. Over 150 properties within the neighborhood are within the 100-year flood zone; many houses were severely damaged or destroyed in the flood. Continued risk from flooding threatens the stability of an already-vulnerable neighborhood. West Junction has a high vacancy rate – 68% of properties are vacant or abandoned. Median household income is 40% lower than in the county ($28,000 vs $46,000). Food access, a socio-economic indicator of well-being, is also a challenge – based on the USDA’s definition, West Junction qualifies as a food desert. The neighborhood also struggles with high utility costs and frequent power outages during and after storm events.

The South Cypress Creek Neighborhood Action Plan includes recommendations for flood resilience that also address the other challenges facing neighborhood residents. Working with residents of the neighborhood, the team developed a toolkit of strategies for vacant lots, including a local food strategy, side lots adopted by adjacent homeowners, pocket parks, stormwater lots, a community solar installation, and infill housing. The plan synthesizes these strategies into a formal vision for the neighborhood, identifying appropriate strategies for specific sites.

Following the Neighborhood Action Plan, the team developed an Implementation Plan to help mitigate the flooding from South Cypress Creek. The concept design was grounded by input from the community and technical guidance from engineering partners and the U.S. Army Corps. Connections to the water, missing from the neighborhood for years, will be restored with a series of trail network connections. Raised land provides a physical barrier between the water and residential areas. Native plants, storage for rainwater, and a wider creek bed are nature-based solutions that help mitigate flooding while improving community access to recreation and enhancing local ecology.

Sasaki worked with Barge Design Solutions and Dalhoff Thomas Design studio to develop the visioning and master plan for the project. We will continue to work with these firms through implementation to ensure continuity between master plan and built work. The project is currently in the design documentation phase.

想了解更多项目细节,请联系 马克·铎森.

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