Green Roofs - Living Architecture Monitor - Summer 2017 - 26
throughout the summer
months, allowing the Co-op to
save money and to divert water
from the City's already overburdened stormwater system.
The irrigation pump is set up
with a level that measures the
depth of the retained stormwater, so that during a dry spell,
the cistern is automatically
refilled with City water as required. This additional layer of
water also adds to the thermal
and sound performance of the
roof assembly, which has led
to increased savings in heating
and cooling on the top floor,
as well as increased tenant
comfort.
The 14,000 sf (1,300 sm)
North roof, which is still
waiting for the installation
of its extensive green roof,
already has a 4" (10cm) deep
cistern. This half of the green
roof was designed to allow
for night-time spray irriga-
tion, which, when tied to the
building's mechanical system,
will allow for heat rejection
as the water is sprayed into
the cooler night air and over
the plants and growing media
below, before finding its way
back to the cistern (similar to
LIVING ARCHITECTURE MONITOR / SUMMER 2017 / 26
a heat exchanger), thus reducing the cost of heating and
cooling of the shared public
spaces.
Thus, the simple rethinking
of a seasonal loading requirement has led to an elegant
design solution with multiple
benefits, and has allowed for a
no-cost increase in the loading
capacity on an existing building.
Monica Kuhn is the Principal of
Monica Kuhn Inc., award winning architectural firm based in
Toronto, Ontario.
LIVINGARCHITECTUREMONITOR.COM
http://www.iranalyzers.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
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Green Roofs - Living Architecture Monitor - Summer 2017 - 27
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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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