#376 Sandy’s Left Turn: Building a Resilient Manhattan

Engineering Matters · Sep 24, 2026 · 38m

In October 2012, Hurricane Sandy turned sharply west and drove a storm surge into New York Harbor. Lower Manhattan flooded, a substation failed leaving more than 220,000 people without power, and damage across the wider region reached $65–70 billion.

Protecting the Lower East Side from the next storm means threading flood walls, berms and deployable gates through one of the densest parts of the city. Defences sit above generations of utilities: sewers, water mains, power and telecommunications infrastructure. Works also had to avoid separating communities, while ensuring access to city parks…