SOUTH BATTERY PARK CITY RESILIENCY PROJECT

Project Summary

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SLS was contracted by Battery Park Authority to provide construction services for the Pier A Plaza and The Battery site work component (the “Pier A/Battery Services") as well as the near-surface drainage isolation (“NSI”) construction work (the “NSI Work”) of the South Battery Park City Resiliency Project. The Pier A/Battery component of the work will involve installing a flood barrier system as well as demolition, re-grading, and re-construction of specified landscape elements at Pier A Plaza and The Battery. The flood barrier system will entail the construction of deployable flipup gates, the raising of the existing at-grade site elevation with a reinforced concrete wall, and the installation of exposed flood walls that will span the Battery Tunnel Underpass and the Brooklyn — Battery Tunnel. The NSI Work will consistent of the installation of an interceptor isolation gate within the existing regulator structures, which would be closed during a flood event to prevent the flow of storm surge from rising through the interceptor line and reaching the street level.