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Buoyant City: Historic District Resiliency & Adaptation Guidelines

Location

City of Miami Beach, FL

Category

Research and Planning
Parks and Infrastructure

COLLABORATORS

Shulman+Associates, ARUP, YHCE, Coastal Systems International, SJ Hauck

awards

2020 AIA Florida Citation Award / Unbuilt


Background

This 2020 study provides resiliency and adaptation guidelines for the City of Miami Beach and the Preservation Board within its historic districts, addressing both cultural heritage, economic development, and the larger environment.

Miami Beach constitutes a thriving city and global tourist destination. Yet, the city is also one of the world’s most vulnerable. The low-lying barrier island is currently susceptible to regular flooding not just during storm events but also from sunny day flooding during high tides. Additionally, drainage issues and a porous limestone geology increase the future challenges from anticipated sea level rise.


(Above) The landscape typologies of the Flamingo Park and Collins Waterfront Districts can remain recognizable, but can be given a technical upgrade to address stormwater capture, periodic inundation, and landscape recovery.



(Above) The guidelines recommend that the Preservation Board permits or encourages buildings within the historic district to adapt in place or raise in elevation.



The City of Miami Beach has made the decision to adapt and is currently raising streets in response to anticipated sea level rise. However, there are limited precedents for adaptation within any historic district, not to mention historic districts as vital as those within Miami Beach. The historic districts are a major contributor to the city’s overall economy and to Miami Beach’s unique culture and identity. These guidelines are designed to inform the city and the Preservation Board for best practices for both resiliency and historic preservation, in order to ameliorate the risks to the city while keeping the landmarked districts recognizable and intact.

As the City of Miami Beach raises the roadways and the Preservation Board allows the building owners to raise their buildings, it becomes important to manage the extended transition period in order to retain neighborhood character.




(Above) A transition planter allows the sidewalk elevation to decouple from the elevation of the road to provide a more nuanced block-by-block transformation. The transition planter allows the city to elevate the roadway gradually over time, without having to replace the extensive mature street tree canopy with each construction project. Additionally, it provides an opportunity to treat the stormwater runoff throughout the city in order to improve the water quality in Biscayne Bay.


44 Court Street #812
Brooklyn, NY 11201

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