Boston holds third annual flood-barrier drill, unveils Harbor Towers defenses
Property owners, community groups and city officials practiced installing temporary flood barriers on Sept. 30, and Mayor Michelle Wu cut the ribbon on a $20 million resident-funded flood protection project at Harbor Towers.
Boston held its third annual Deployables Day on Sept. 30, a hands-on exercise in which property owners, community groups and city officials practiced setting up temporary flood barriers, the city said in a release posted Wednesday.
A deployable is a temporary barrier installed before forecast flooding to protect a building or neighborhood. Unlike a floodwall, it can be taken down and stored until it is needed again. The city said 31 deployables are registered in Boston, with several more in the works.
The walking tour stopped at Martin's Park along the Fort Point Channel. Concrete pillars and a base pad built into the landscape there let crews slot aluminum panels across a walkway to form a 4-foot-high barrier. The city described it as the first piece of a multi-site coastal defense system along the channel.
At Atlantic Wharf, a BXP property the city said was the first building in Boston approved for deployable flood barriers, the Boston Fire Department staged a rescue drill, using a high-water vehicle and special equipment to bring 10 mock victims over a flood barrier.
The tour ended at Harbor Towers, two 40-story residential buildings on the waterfront, where Mayor Michelle Wu cut the ribbon on a $20 million, resident-funded project of storm surge barriers and deployable flood walls. Condo owners voted for the investment after a 2018 flood nearly destroyed their lobby, the city said, calling it the largest private investment by a condo association in coastal resilience in Boston. Eleven other private properties are pursuing similar measures, according to the city.
The city cited U.S. Army Corps of Engineers estimates that severe flooding could threaten 20,000 buildings, 44% of Boston's residents and all four MBTA transit lines, and said Boston could face $54 billion in damages by the end of the century if nothing is done. Long-term coastal protection projects can take decades to design and build, the city said, and deployable barriers are meant to fill the gap.
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