Green Roofs - Living Architecture Monitor - Spring 2013 - (Page 12)
RESEARCH
living aRcHitectuRe
meets HuRRicane sandy
INDUSTRy LEADERS SHARE HOW THEIR GREEN ROOfS AND WALLS
HELD OUT AGAINST SUpERSTORM SANDy
BEN fLANNER,
BROOKLyN GRANGE
The Brooklyn Grange’s rooftop farms
held up well through Hurricane Sandy.
Our farm in the Brooklyn Navy Yard sits
atop an eleven-story building along the
East River coastline, where the winds
were among the strongest in the city. To
prepare, we spent a day wind-proofing—
ensuring that irrigation lines were tacked
down, sinks tipped over, tables collapsed,
piles weighted and chickens protected. We
then obeyed the mandatory evacuation orders from Flood Zone A.
Had the storm come in mid-summer,
our farm would have sustained thousands
of dollars of crop loss due to the winds.
However, being in October, we had a limited amount of crop value in the ground.
The next morning when we arrived,
the power outage sent us climbing eleven
flights of stairs. We found that bits of soil
did erode, however not substantially; and
that the green roof infrastructure had held
up with fortitude. However, living vegetables were whipped up from the wind.
Rainbow chard looked like it had been
through the washing machine, and some
of our few remaining turnips and radishes
were nearly pulled out by the roots. Most
plants grew back.
RyAN MILLER,
GREEN ROOf TECHNOLOGy
In the spring of 2012, Green Roof Technology introduced the first Sun-Root™
LIVING ARCHITECTURE MONITOR / SpRING 2013 12 12
fALL 2012 / /
System to North America, installing a
1kW producing system atop the New York
City Parks & Recreation’s administrative
office building on Randall’s Island. The
system is the first non-penetrating PV
mounting system that utilizes an extensive
green roof layer as ballast. The green roof
provides a cooling element that increases
the output of the solar panels, while stormwater runoff from the panels provide irrigation.
Recent Superstorm Sandy made landfall
in late October 2012, only six months after
installation, and left without moving the
system an inch. New York City reported
maximum sustained winds at 85 mph with
some gusts reaching 92 mph. Upon visiting
the site a week after the storm made landfall, we found that our original placements
of the Sun-Root™ System withstood the
winds without a shift. Often overlooked is
the importance of roots that bind together
the entire green roof.
JAMES SABLE,
GREENSCREEN®
The four story Staten Island Courthouse
parking structure was designed by Ennead
Architects and the construction oversight
was provided by T. Moriarty & Sons, Inc.
in 2010. The Courthouse was designed
to achieve LEED Gold status and the
adjacent parking structure includes green
facade systems. Green facade designs that
occur in the hurricane zones of the Eastern
Seaboard require specific engineering for
extreme wind loading that could exceed
160 MPH, depending on exposure. This
project also included detailing for ice
and snow loads in addition to wind loads.
Manufacturers of green facade systems
must provide data for engineers showing
mounting details that exceed these values, especially for public structures. Strict
adherence to construction details, proper
placement of system connections, and verification by an onsite inspector were part of
Table of Contents for the Digital Edition of Green Roofs - Living Architecture Monitor - Spring 2013
Green Roofs - Living Architecture Monitor - Spring 2013
Contents
From The Founder
Strata
On the Roof With...
Policy and Standards
Current Research
Living Architecture Meets Hurricane Sandy
How Healthy Is Your Hospital?
Leadership
Product
Plant
Conference
Project
Project
Project
New Corporate Members
Professional Calendar
GRHC Board Member Updates
GRHC Buyer’s Guide
The Lucky 7
Green Roofs - Living Architecture Monitor - Spring 2013
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