The board of directors of the Hugh L. Carey Battery Park City Authority announced today that it had designated Milstein Properties as the developer for two "green" resident towers on the authority's last remaining undeveloped residential site.

The towers will have a total of 421 condominium apartments and a 50,000-square foot community center with a swimming pool, gym, class rooms, kitchen and auditorium. The community center that will extend through both towers.

The site is on North End Avenue between Warren and Murray Streets and west of the authority's ballfields.

"This project, which achieves a gold LEED standard, is one of the last steps we will take towards achieving our goal of 4.5 million square feet of sustainable development in Battery Park city, making us the largest "green" neighborhood in the world," declared James Gill, the authority's chairman.

One of the towers will be 230 feet high and the other 320. Construction is scheduled to begin next spring with completion anticipated for the fall of 2008. The community center is expected to open in the spring of 2009.

The average size of the new apartments is 1,142 square feet. The buildings will have garages.

The Battery Park City Authority was created in 1968 to develop a 92-acre site on landfill created by excavations for the nearby World Trade Center. Battery Park City contains 9.3 million square feet of commercial space, 7.2 million square feet of residential space, 9,000 residents, 52 shops, 35 acres of parks, 20 works of public art, three public schools, two hotels, a marine, the Irish Hunger Memorial, the Museum of Jewish Heritage, the New York City Police Memorial, the Skyscraper Museum and a 1.2-mile esplanade along the Hudson River.

Milstein Properties has erected several other residential buildings at Battery Park City including Liberty Court at 200 Rector Place, Liberty House at 377 Rector Place, Liberty Terrace at 380 Rector Place, and Liberty View at 99 Battery Place.

No renderings were made available. Stan Eckstut of Ehrenkrantz Eckstut & Kuhn is the architect for the two buildings.