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February 21, 2003     
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 PHOTO: Riverbank State Park
Riverbank State Park sits atop North River Wastetreatment Plant on the Hudson River.  

ost visitors to Riverbank State Park in Harlem never know they are standing on the roof of a wastewater treatment plant. They cannot tell that the trees that shade them are standing in just about four feet of soil, their random pattern dictated by how much pressure the building below them could hold.

Riverbank, a 28-acre park between West 137th and 145th streets, was a compromise between city officials who needed to provide clean water for New Yorkers and local residents who found themselves with the city's only residential wastewater treatment plant in their neighborhood. Opened May 1993, the park sits on top of North River Wastewater Treatment Plant.

In the winter, Riverbank shrinks by several inches. The park expands again during the stifling heat of the summer, stretching further out into the skyline and giving a few more inches to views of the Hudson River, which is 69 feet below. The sprawling green park has expanding joints that allow it to move with the seasons.

The only park of its kind in the western hemisphere, Riverbank took and continues to take special structural consideration. The Olympic-size swimming pool - one of the only two in the entire city - and outdoor pool had to be four-feet deep because of the weight restrictions, said Joseph Coppola, a partner in Richard Dattner Architect P. C., who spent 11 years on the project.

PHOTO: Riverbank State Park
An Olympic-size pool was built only 4-feet deep to keep within structural limits needed for a rooftop park.

Certain patches of the grass are padded underneath with a special Styrofoam, extruded polystyrene.

Buildings that house the basketball courts and fitness rooms, the theatre and ice-skating rink (used for roller skating in the summer) also had to be carefully planned to avoid overburdening the treatment plant.

The track that surrounds a soccer field has to be treated every year because of bubbles caused by the expanding joints, which work in like "the scales of an armadillo," Coppola said.

One mile from Washington Heights in Harlem, Riverbank is "the only park of its kind in the western hemisphere," said Park Director Vickie DiMartino. "I think it's one of New York City's hidden treasures."

But if it is hidden, many New Yorkers and tourists seem to find it every day-over two million a year. School kids come to programs like swimming, art, ballet, karate, ice skating. In the summer the softball and soccer fields, track, basketball, handball and tennis courts fill with endless streams of people waiting to play.

PHOTO: Riverbank State Park
A carousel designed by a local artist and 37 children is the newest addition to Riverbank.

The carousel, created by local artist Milo Mottola and 37 children, is one of the most popular attractions. The community garden was in such demand that Riverbank doubled the plots from 30 to 60, said Elizabeth Brett, public relations and development director for the park.

More than smells from the plant, music now filters up to the park from the waterfront's amphitheater. And a concrete jungle is not all that is left to city dwellers, thanks to urban landscaping that changes rooftops into wide expanses of green.

"You don't even feel like you're in New York when you're here," Brett said. "You don't know where you are, but it doesn't feel like the city."

 

 

Riverbank State Park

Where:

679 Riverside Dr. 
New York, NY 10031
(212) 694-3600

Hours of operation:

6 a.m. - 11 p.m., year round

Facilities:

  • 50-meter indoor swimming pool

  • 25-yard outdoor lap pool with wading pool

  • covered skating rink

  • 900-seat cultural theatre

  • multi-use athletic building with fitness room

  • four basketball courts

  • four handball/paddle courts

  • 400-meter, eight lane running track

  • football/soccer field

  • carousel

  • 900-seat amphitheatre

  • children's playground