AwardWinner JavitsCenter2


Project: The Javits Center Green Roof
New York, NY
Award Winner:

Architect: Bruce Fowle, FXFOWLE 
Architect: Larry Dalziel, Epstein
Construction Manager: Glen Johnson, Tishman Construction
Structural Engineer: Daniel Sesil, Leslie E Robertson & Associates
Landscape Architect: Ken Smith, Ken Smith Landscape Architect
MEP Engineer: David Cooper, WSP Flack + Kurtz, Inc
Green Roof Supplier: XeroFlor America
Site, Civil, and Geotechnical Engineer: Marc Hallagher, Langan Engineering, Environmental, Surveying, and Landscape Architecture, D.P.C.
Lighting Consultant: Charles Stone, Fisher Marantz Stone, Inc
Roofing Consultant: Rainer Gerbatsch, Commercial Roofing Solutions, Inc
Exterior Wall Consultant: Robert Heintges, R.A. Heintges & Associates
Daylighting Consultant: Carpenter Norris Consulting, Inc
Waterproofing: Siplast

“Our goal was to retain the integrity and vision of the original design while capitalizing on opportunities to reinvent, revitalize, and sustain this dynamic, world-class facility. The green roof created a fifth façade in clear view of surrounding high-rises, stormwater retention, reduced energy consumption, lower heat-island effect, a wildlife habitat, and membrane protection—all at minimal cost.”
Bruce Fowle, FAIA, LEED AP, Founding Principal, FXFOWLE


A Flourishing Habitat in Midtown Manhattan

Located on the far west side of Manhattan, the Jacob K. Javits Convention Center (known as the Javits Center) is New York City’s primary venue for trade shows and conventions. The 6.75-acre extensive green roof—the second largest in the country—proved to be more cost-effective than a conventional roof system due to the green roof’s lighter weight, which avoided costly structural reinforcement.

The Javits Center green roof is equipped to prevent approximately 6.8 million gallons of stormwater runoff per year, improving the quality of life for the surrounding community. Overall the site retains 72% of the rainfall that falls on it. Storms of less than 6 millimeters are wholly retained, and storms that are greater than 10 millimeters are about 60% retained.

The roof also allows for restoration of habitat area, and provides aesthetic values of urban open space—the fifth façade of the building seen from many emerging adjacent high-rises. It conserves energy by moderating the temperature of the roof, helping to reduce temperature extremes inside the building and reducing the local heat island effect.

AwardWinner JavitsCenter3

To quantify the positive impact on the building’s interior environment and the neighborhood, the renovation scope includes a scientific research study conducted by Drexel University. Together, the Javits Center’s new curtain wall, mechanical system, and green roof contribute to an estimated energy consumption savings of 26 per cent over the pre-renovation performance, which had been functioning 10 per cent under code.

The judges felt that this project was more than worth of special recognition for its scale, profile, and impact. They felt that this project’s ability to expose thousands of residents and employees to green roofing, as well as the tremendous impact on local ecology and biodiversity in such an iconic urban location. They praised the interplay of urban and natural environment and the multi-faceted impact on the city.

Green Infrastructure Design Charrette

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by Steven Peck
GRHC founder/president

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