Most of the conversation about Brooklyn Bridge Park has been centered around the residential Pierhouse and the controversy surrounding its height, but right next door, an entirely different part of the urban development is taking shape. The Wall Street Journal reports that construction on the eight-acre $28 million marina between Piers 4 and 5 has commenced, with an opening planned for next spring. Officially called One° 15 Brooklyn Marina, its sailing club already has 145 pre-registered members.
In addition to the fact that it will bring 140 slips to Brooklyn Heights, the project is most notable for its unconventional construction. Normally to build a marina, dock builders drill piles into the waterbed to support the docks, but at this site the R subway line is directly below. “The solution was to sink 160 giant concrete blocks, weighing 10 tons each, to the bottom of the East River,” says the Journal. Then, “a large, elastic bungee cord-like mooring system called Seaflex will be used to connect the dock on the water’s surface to the concrete block below.”