Green Roofs - Living Architecture Monitor - Spring 2013 - (Page 28)
PROJECT PROFILE
House call
holding 60 to 80% of rainwater on the roof. Preliminary
meetings with the City Public
Works Department realized a
requirement to replace and upgrade the existing storm sewer
to a 100-year flood capacity
at an estimated cost of over
$300,000. The owner and architect, Rob Wellington Quigley, FAIA, researched using a
green roof as a way to mitigate
the stormwater requirement.
Paul Kephart of Rana Creek
provided FCH with design assistance using this “revised”
a run-down neighborhood of
technology.
Victorian houses interspersed
Preliminary analysis showed
with deteriorating 1960’s apart- that the installation of a green
ment buildings. At less than
roof could reduce the stormhalf an acre, the tight infill site
water runoff to such an extent
required a creative and efficient that only a new 10-year event
design.
pipe would be required. This
The building’s crowning
could be accomplished at the
glory is San Jose’s first green
same cost or less than the 100roof, which was engineered to
year storm sewer “upgrade”. A
maximize stormwater retention, series of meetings with various
SAN JOSE, CALIfORNIA’S fIRST GREEN
ROOf IS SETTING THE STANDARD
HIGH WITH COMMUNITy HOUSING
DEVELOpMENT
By: MARyANNE WELTON
R
eplacing an aging residential hotel near downtown San Jose, Casa
Feliz Studios was developed in
2009 with 60 new apartments
by First Community Housing
(FCH). The energy-efficient
apartments serve extremely
low-income residents—35%
with developmental disabilities—and are located in
LIVING ARCHITECTURE MONITOR / SpRING 2013 / 28
ABOVE: Case Feliz green roof
Image provided by: Steve Prohl
OPPOSITE: Casa Feliz green roof design
Image provided by: Rob Wellington Quigley, FAIA
city departments was necessary
to convince city officials that
the green roof could indeed reduce the building’s stormwater
runoff.
The high cost of upgrading the insufficient storm drain
system made the decision to
add green roofs economically
feasible, but the green roofs
add much more to the building than simple stormwater
retention. They provide habitat for wildlife, increased roof
insulation and cooling, longer
roof life due to the blocking of
ultraviolet rays, and reduced
ambient heat reflected from
the roof (which increases the
efficiency of the photovoltaic
system). The non-irrigated
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
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