The rehabilitation of Troy’s 95-year-old seawall enhances the resiliency of the city’s waterfront business corridor against rising flood levels and protects an adjacent wastewater interceptor sewer. And the jobsite couldn’t have been more challenging.
Limited landside space required most construction work to be performed from barges in a river where daily tidal changes of up to 7 ft complicated the scheduling of drilling and other precision work. Underwater visibility was frequently limited due to combined sewer discharges, seasonal rain and snowmelt.