Green Roofs - Living Architecture Monitor - Summer 2017 - 33

FIGURE 1: MINIMUM GREEN FACTOR SCORES
REQUIRED BY ZONE
ZONE

MINIMUM SCORE

Commercial & Neighborhood Commercial
Industrial Commercial (in Urban Villages)
Midrise and Highrise Residential
Lowrise and Multifamily Residential
South Downtown
South Lake Union

0.30 (2006)
0.30 (2010)
0.50 (2009)
0.60 (2010)
0.30 (2011)
0.30 (2013)

Source: https://www.seattle.gov/UTIL/cs/groups/public/@spu/@conservation/documents/webcontent/01_027984.pdf

FIGURE 2: SNAPSHOT OF GREEN INFRASTRUCTURE
PROJECTS IN SEATTLE

RAINWISE PROGRAM

Jointly run by Seattle Public Utilities (SPU) and King County
Wastewater Treatment Division (WTD), the RainWise program
promotes the use of green infrastructure in residential areas and
encourages private property owners to manage their stormwater
on-site. The program offers rebates for rain gardens and cisterns
for eligible Seattle homeowners. In select areas of Seattle, The
City of Seattle and King County will pay up to 100 per cent of
the cost of installing rain gardens and cisterns depending on
thehow much stormwater is managed.
The RainWise program is successful because the program
offers rebates and streamlines the application process, making it
easy to find a contractor and easy for homeowners to participate.
The program was dedicated to raising public awareness about
stormwater runoff through partnerships with local organizations, easily accessible resources, and educational workshops.
By harnessing the collective action of private property owners,
RainWise has contributed to the development of 3,814 rain
gardens in Puget Sound along with many other forms of green
infrastructure (Figure 2).
The process in which Seattle has implemented their
numerous green infrastructure projects is one to be modeled.
The lessons learned from Seattle's GSI programs have been
crucial resources in developing Washington, DC's Green Factor
program. Seattle is proof that a comprehensive stormwater
program does not have to exclusively target large developments,
as homeowners in urban areas have an important role to play
in managing stormwater. The focus on creating cross-sector
cooperation in promoting green infrastructure and ensuring
feasibility has led to increased application, participation and
acceptance of green infrastructure in Seattle.

FIND OUT MORE

Emma Tamlin is the Special Projects Coordinator for Green Roofs for
Healthy Cities. She is currently collecting best practices for green roof
and wall policy across North America. etamlin@greenroofs.org
To learn more about the Seattle Green Factor go to
seattle.gov/dpd/codesrules/changestocode/greenfactor
For more information on the RainWise program go to
700milliongallons.org/rainwise/
References: Green Stormwater Infrastructure in Seattle, 2025
Implementation Strategy (2015). http://www.seattle.gov/Documents/
Departments/OSE/GSI_Spreads_v2_July_2015_WEB.pdf
King County (2016).Stormwater runoff pollution and how to reduce
it.http://www.kingcounty.gov/services/environment/water-and-land/
stormwater/introduction/stormwater-runoff.aspx
Richard Wener, "Silver Medal Winner: High Point Redevelopment
Project, West Seattle, Washington," in Building Sustainable
Neighborhoods: The 2007 Rudy Bruner Award for Urban Excellence
(Cambridge, MA: Bruner Foundation, 2008), 113-37, www.
rudybruneraward.org/wp-content/ uploads/2007/01/07-High-PointRedevelopment-Project-1.pdf.
LIVINGARCHITECTUREMONITOR.COM

LIVING ARCHITECTURE MONITOR / SUMMER 2017 / 33


https://www.seattle.gov/UTIL/cs/groups/public/@spu/@conservation/documents/webcontent/01_027984.pdf http://www.seattle.gov/dpd/codesrules/changestocode/greenfactor http://www.700milliongallons.org/rainwise/ http://www.seattle.gov/Documents/Departments/OSE/GSI_Spreads_v2_July_2015_WEB.pdf http://www.rudybruneraward.org/wp-content/ http://www.LIVINGARCHITECTUREMONITOR.COM

Table of Contents for the Digital Edition of Green Roofs - Living Architecture Monitor - Summer 2017

Green Roofs - Living Architecture Monitor - Summer 2017 - Intro
Green Roofs - Living Architecture Monitor - Summer 2017 - Cover1
Green Roofs - Living Architecture Monitor - Summer 2017 - Cover2
Green Roofs - Living Architecture Monitor - Summer 2017 - TOC
Green Roofs - Living Architecture Monitor - Summer 2017 - A
Green Roofs - Living Architecture Monitor - Summer 2017 - 1
Green Roofs - Living Architecture Monitor - Summer 2017 - 2
Green Roofs - Living Architecture Monitor - Summer 2017 - 3
Green Roofs - Living Architecture Monitor - Summer 2017 - 4
Green Roofs - Living Architecture Monitor - Summer 2017 - 5
Green Roofs - Living Architecture Monitor - Summer 2017 - 6
Green Roofs - Living Architecture Monitor - Summer 2017 - 7
Green Roofs - Living Architecture Monitor - Summer 2017 - 8
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Green Roofs - Living Architecture Monitor - Summer 2017 - 11
Green Roofs - Living Architecture Monitor - Summer 2017 - 12
Green Roofs - Living Architecture Monitor - Summer 2017 - 13
Green Roofs - Living Architecture Monitor - Summer 2017 - 14
Green Roofs - Living Architecture Monitor - Summer 2017 - 15
Green Roofs - Living Architecture Monitor - Summer 2017 - 16
Green Roofs - Living Architecture Monitor - Summer 2017 - 17
Green Roofs - Living Architecture Monitor - Summer 2017 - 18
Green Roofs - Living Architecture Monitor - Summer 2017 - 19
Green Roofs - Living Architecture Monitor - Summer 2017 - 20
Green Roofs - Living Architecture Monitor - Summer 2017 - 21
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Green Roofs - Living Architecture Monitor - Summer 2017 - 25
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Green Roofs - Living Architecture Monitor - Summer 2017 - 27
Green Roofs - Living Architecture Monitor - Summer 2017 - 28
Green Roofs - Living Architecture Monitor - Summer 2017 - 29
Green Roofs - Living Architecture Monitor - Summer 2017 - 30
Green Roofs - Living Architecture Monitor - Summer 2017 - 31
Green Roofs - Living Architecture Monitor - Summer 2017 - 32
Green Roofs - Living Architecture Monitor - Summer 2017 - 33
Green Roofs - Living Architecture Monitor - Summer 2017 - 34
Green Roofs - Living Architecture Monitor - Summer 2017 - Cover3
Green Roofs - Living Architecture Monitor - Summer 2017 - Cover4
Green Roofs - Living Architecture Monitor - Summer 2017 - M1
Green Roofs - Living Architecture Monitor - Summer 2017 - AD1
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