Gratz Industries Building
   
Project Name: Gratz Industries Building
Year: 2006
Owner: Roberta Brandes Gratz
Location: Long Island City, NY, USA
Building Type: Commercial
Type: Extensive, Test/Research
System: Single Source Provider
Size: 11000 sq.ft.
Slope: 1%
Access: Accessible, Private
Submitted by: Greenroofs.com

Designers/Manufacturers of Record:
Landscape Architect: Balmori Associates
Greenroof Consultant: Greener By Design
Researchers: Earth Pledge Foundation
Architect: Perry Winston, Pratt Center for Community Development
The Gratz Industries Building greenroof is located at 13-06 Queens Plaza South, within view of the Queensborough Bridge. Originally planted in August, 2006, Queens Ledger of September, 2007 (see below) says, "In spring of 2007, Greener by Design workers replanted the industrial green roof with hardy green and red sedum plants for an environmental impact experiment. One important measure - the shrubbery's capacity to reduce drainage from rooftops - is being closely watched by Department of Environmental Protection (DEP) specialists who operate the city sewer system."

The Gratz Industries Green Roof is funded by the New York State Energy Research and Development Authority (NYSERDA), the Rockefeller Brothers Fund, and property owner and urbanist Roberta Brandes Gratz.
Divided into quadrants, vegetation covers three-quarters of the roof, with one quarter acting as the control. Earth Pledge maintains a rooftop weather research station will monitor data pertaining to stormwater quality and temperature fluctuations.

The Pratt Center for Community Development website (see below) states, "Researchers from Earth Pledge are monitoring the plantings' oxygen emissions, and thus the roof's capacity for countering global warming. The monitoring will also track the plants' capacity to absorb rainwater, which would otherwise deluge the city's strained sewage facilities. Increasingly, architectural guidelines under city government-sponsored programs are requiring builders to take measures to slow and reduce drainage from rooftops, and the city Department of Environmental Protection, which operates the sewer system, has expressed interest in the project's findings."

Additional thumbnail photos:

See the Pratt Center for Community Development project profile here, learn about the Earth Pledge Foundation here, and visit the Gratz Industries home page. Read the Brooklyn Downtown STAR's Queens Ledger 9.2.07 article by Richard J. Bocklett "Green Roofs Taking Root in Outer Boroughs" here.
 
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