1 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication

ISSUE 1, SPRING 2011, Greater Toronto Chapter, CaGBC Regional Publication /

TORONTO Canada Green Building Council FOCUS

City Hall gets a park

Corus EntertainmentDynamic interior

delivers big energy savings

One take | ideas and commentsHealth, Sustainability and Urbanism

Earth Rangers CentreSets standard in

sustainability

Green roof adorns podium

FiRST Issue!

local industry news & events

PLUS!

Welcome to Toronto FOCUS

Editorial

Local industry news and events

Green Leader profileMark Salerno

Corus Entertainment Dynamic interior delivers big energy savings

One takeHealth, Sustainability and Urbanism

Earth Rangers CentreStaying green through operations excellence

City Hall gets a parkGreen roof adorns podium

in this issue

A joint publishing project of the Greater Toronto Chapter

of the CaGBC and sABMag. Address all inquiries to:

dgriffith@sabmagazine.com

7

8

4

10

12

14

It is with great pleasure that

the Greater Toronto Chapter

launches this first FOCus

supplement. We’re delighted

to partner with sABMag on

this inaugural edition as the

Chapter and the CaGBC move

to the next level in our growth

and development.

2011 promises to be a big

year for Green Building in our

region. The CaGBC National

symposium is here in April

with a focus on greening exist-

ing buildings and what it’s

going to take to realize big

goals for the “other 98%”. Then in October we welcome the

world at our doorstep as the CaGBC hosts the greatest [green

building] show on earth, the usGBC’s Greenbuild. We have a lot

to look forward to this year.

As we look towards the future, we also look back and celebrate

our success. This supplement is about that too as it contains

notable sustainably-designed local projects, and profiles of

chapter members, beginning with CHMC’s Mark salerno in this

issue, who are helping to advance green building in the GTA.

Putting together the CaGBC Greater Toronto FOCus was a

team effort, and couldn’t happen without the tireless dedication

of our Marketing and Communications Committee to pull togeth-

er content, the efforts of our members and friends in developing

some of the content herein, and of course the advertisers who

help us make this happen.

We have chosen a couple of great stories from our region, and

hope that you will continue to share your projects, lessons and

successes with us, as we showcase the best of green building in

this first of many supplements!

I hope you enjoy Greater Toronto FOCus. Watch for the Fall

edition in the september/October Greenbuild issue of sABMag.

Lyle Shipley

Executive Director

Greater Toronto Chapter of the CaGBC

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For more information: Email dsmith@redmondwilliams.com or call Donna Smith at 1-888-571-2627. www.redmondwilliams.com

4 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication 5

GREATER TORONTO

local industry news | people | eventsGREATER TORONTO

local industry news | people | events

local industry news events

GReeNBuIld

Is COMING! Greenbuild is coming to

Toronto, and the Toronto

Chapter is intimately involved

in this event. The National Host

Committee for GreenBuild 2011

is now in action, and populated

by local Chapter Members. Thank

you to all those who applied and

we look forward to seeing the

results of these creative people.

VOluNTeeR

OPPORTuNITIes We need talented and

dedicated volunteers to help

round out our committees.

The Membership, Finance and

Program Committees are looking

for active, creative volunteers

to help engage new members

and create exciting program-

ming. Interested? Please see

our “Get Involved” section for

details: http://www.greenbuildin-

gontario.ca/cagbc-toronto/get-

involved/volunteer.

eMeRGING GReeN

BuIldeRs [eGB] Greater Toronto is a

group of passionate students

and new professionals who are

dedicated to the green build-

ing movement. This group has

events that regularly attract 100

attendees with low cost, informa-

tive sustainable education and

networking at a local pub. These

events are inspiring the next

generation of green building pro-

fessionals. Register by emailing

info@gta.cagbc.org to update

your profile as an eGB.

CHAPTeR MeMBeR

suRVey ResulTs BACkThank you to those who par-

ticipated. We continue to use

your feedback to tailor the con-

tent of our training and network-

ing offerings to give you the best

membership value.

AsHRAe CHAPTeR

MeeTINGThe joint AsHRAe/CaGBC-

GTC Chapter meeting held on

March 7 was an excellent dinner

meeting showcasing how our

Chapter engages the building

and design community. The new

AsHRAe 189 standard was dis-

cussed and compared to leed.

The 100 plus attendees exemplify

how concerned our industry is

with building a better building.

THe HOMe sWeeT HOMe

COMPeTITIONWinners will be announced at

the Green building symposium.

We look forward to seeing which

of the impressive projects will

take home the hardware. Have

a look at http://hsh-competition.

ca. Congratulations to all who

participated, and look to the next

FOCus to see details on the win-

ning entry!

CITy HAll POdIuM ROOF

WINs CslA AWARdThe Toronto City Hall Podium

Roof Garden – the first phase

of the Nathan Phillips square

Revitalization Project, and the

country’s largest accessible

green roof – has just won a CslA

[Canadian society of landscape

Architects] Regional Honour

Award. www.branchplant.com

APRIl 12, 13, 14 + National symposium and

Awards in Toronto

[includes Walking Tour]

APRIl 27 + Board Meeting

+ High Performance

Buildings expo

The Tremco Roofing

division and RPM Group

of Companies host the

High Performance

Buildings expo at the

Tremco campus in

Toronto. speakers and

demonstrations will

pass on information on

the latest products and

construction techniques.

Register at: www.trem-

coroofing.com/seminar.

asp ; or tremcoseminar@

tremcoinc.com .

APRIl 28

+ Annual General Meeting

+ eGB Tour — Tour of one

building + social night

MAy 19

+ Chapter Meeting

Rainwater Harvesting

presentation

[preview to full session]

+ Board Meeting

juNe 08

+ Board Meeting

juNe 14

+ Chapter Meeting

eGB event — Corus

project presentation

+ Building tour — Waterfront

buildings, landscape

july 05

+ Chapter BBQ and Meeting

— Partners in Project

Green — Molson’s tour

july 14

+ Board Meeting

sePTeMBeR 13

+ Board Meeting

sePTeMBeR 15

+ Chapter Meeting

Greenbuild Preview

sePTeMBeR 22, 23, 24

+ Green Building Festival @

IIdeX

OCTOBeR 18

+ Board Meeting

NOVeMBeR 02

+ Chapter Meeting

+ Tour — Best of GreenBuild

NOVeMBeR 09

+ Board Meeting

NOVeMBeR 30 TO

deCeMBeR 02

+ National Green Building

Conference

deCeMBeR 01 + Chapter Meeting — Waste

Management

deCeMBeR 13

+ Board Meeting

FOR uP TO dATe

INFORMATION, ReFeR TO

THe CAleNdAR OF eVeNTs

ON THe CHAPTeR WeBsITe,

As sOMe deTAIls ARe

suBjeCT TO CHANGe —

WWW.GReeNBuIldINGON-

TARIO.CA

products

Tate AsP in Oakville recently

released an e-version of its

design & specification Guide for

Access Floors with underfloor

service distribution. The Cd

format allows downloading of

Molok North America ltd.,

based in Mount Forest, ON

has deep-collection containers

Toronto-based Octopus

Products distribute OctoTerra

decorative panels that are hand-

made from rapidly renewable NeW WAsTe COlleCTION

TATe AsP’s e-GuIde

GIVes QuICk sPeCs ON

ACCess FlOORs

OCTOTeRRA ANd kIReI

PANels All NATuRAl

specifications and CAd details

while viewing the Guide. It also

has bookmarking capabilities,

and lets users print specific

bookmarked pages.

www.tateaccessfloors.com

and recycled materials, such as

coconut shell, palm wood and

tree branches. The company

also carries kirei, a composite

panel made from reclaimed

stalks of the sorghum plant laid

up in alternating layers using

water-based adhesive that emits

no formaldehyde, and pressed

under high pressure. www.octo-

pusproducts.com/kirei/

that provide a more compact,

hygienic and odourless collec-

tion point. The key to Molok’s

superior performance is the

vertical, underground design.

Only 40% of the container is vis-

ible, while the remaining 60% is

underground. www.molok.com

seNd us yOuR PROjeCTs,

ANNOuNCeMeNTs ANd PROd-

uCT INFORMATION RelATed

TO susTAINABle BuIldING sO

THAT We CAN CONsIdeR THeM

FOR uPCOMING Issues OF

GReATeR TORONTO CHAPTeR,

CAGBC FOCus. seNd TO

dGRIFFITH@sABMAGAzINe.

COM.

PHONE | 416.497.3111FAX | 416.497.72102255 Sheppard Ave. E., Ste. E331, Toronto, Ontario M2J 4Y1

www.cel.caProud to be the

Mechanical, Electrical and Lighting Consultants

for the LEED Gold Certified

Corus Entertainment project

ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication 7

Mark is a recognized expert in sustainable housing and community design and is CMHC’s

media spokesperson on a broad range of housing issues. He is also one of 250 Canadians

personally trained by former U.S. Vice President Al Gore to present the live version of ‘An

inconvenient Truth’ as part of the Climate Project Canada initiative.

Green Leader | profile

MaRk SALERNO

Through CMHC, he works to foster public,

private partnerships and coalitions in support

of the creation of sustainable, affordable and

universal housing. In this regard, he has spear-

headed many successful sustainable and uni-

versal housing demonstration initiatives such

as Home 2000, The sustainable Condo, the

canühome and most recently, A Healthy Home

at downsview Park. Collectively, they have

been visited by over 450,000 people and have

garnered significant media coverage including

CTV’s live earth telecast, Canada AM, and

countless TV/Radio news spots, newspaper/

magazine articles.

Mark salerno recently took on the role of

managing a National sales Team within CMHC

to promote the $2 Billion Municipal Infra-

structure lending Program – a key offering of

CMHC under Canada’s economic Action Plan.

under the program, municipalities have

access to low-cost loans through CMHC

to fund their contribution for cost-shared

[with the federal government] infrastructure

projects such as: roads, sidewalks, lighting,

water supply, sewage and storm water

systems, solid waste management and power

generation for residential areas.

Through his former CMHC position [1998-

2002], senior Research Consultant, BC/

yukon, he was instrumental in leading a multi-

party consortium of housing stakeholders

focused on resolving the highly contentious

“leaky Condo” issue. This also included the

management of over $2 million in research

projects intended to enhance the energy ef-

ficiency and moisture management of building

envelope assemblies.

Prior to joining CMHC he was a building

science professor at Toronto’s seneca College

as well as a designer, consultant and project

manager on sustainable building projects.

Mark has a Master of Architecture Degree and a Bachelor of Technology Degree and is a Member of the

Royal Architectural Institute in Canada. He also participates in numerous committees and boards, some of

which include:

• One of 250 Canadians personally trained by U.S. Vice President al Gore to present the live

version of ‘an Inconvenient Truth’ as part of the Climate Project Canada Initiative

• Member, CMHC Ontario Management Team & CMHC National Management Team

• Member, Procter & Gamble [P&G] Expert advisory Panel

• Executive Board Member, EcoSmart Foundation

• Board Member, Green Light on a Better Environment [GLOBE]

• Board Member [former Treasurer], Canada Green Building Council Greater Toronto

• Board Member & Secretary, Sustainable Housing Foundation

• Board Member, EC3 Initiative; Energy, Climate, Communication, Collaboration

• Member, architecture Canada/Royal architectural Institute of Canada

MARk SALeRNO, DiSTRiCT MANAGeR, GReATeR

TORONTO AReA AND NATiONAL SALeS TeAM LeADeR,

MUNiCiPAL iNFRASTRUCTURe LeNDiNG PROGRAM

CANADA MORTGAGe & HOUSiNG CORPORATiON

[CMHC]; AND CAGBC TORONTO MeMBeR.

THe HeALTHy HOMe DeMONSTRATiON PROjeCT.

Morrison Hershfield is a North

American leader in sustainability

for the built environment. We

understand the complexity of the

new generation of sustainable

buildings.

High performance green buildings

are achieved as we strive for more

efficient designs and simplified

building systems. We are mindful

of a broader range of possibilities

and impacts while assessing

synergistic trade-offs.

Our specialists are all in-house,

thereby removing the geographical

and social barriers that exist

when design teams work with

multiple firms. We are inherently

integrated.

We are committed to enabling

our clients to achieve their

sustainability goals with a wide

palette of services, knowledge

and tools.

Morrison Hershfield bundles the

following list of sought after

sustainability services.

These services can be used to

help achieve high performing

green buildings and offers our

clients higher quality and better

integrated solutions, as well as a

single source contact for ease of

sub-consultant management.

Expert LEED® Facilitation

We understand, better than

most, the intents and flexibilities

that exist within LEED®.

Energy Modeling and Simulation

Accurate simulation models

assist with making informed

decisions on energy saving

design strategies to create an

optimized whole-building

design solution.

Building SystemsCommissioning Authority

Commissioning the whole building

is extremely valuable. It offers

a method by which all building

systems can be reviewed, tested

and properly transitioned to the

building operator.

Envelope & Materials DurabilityConsultancy

We understand how to provide

a functional and durable building

envelope while balancing the risks

associated with emerging building

technologies.

Code and Life Safety

Our expert level Building Code

Consultants provide valuable

code interpretations that

consider the use of emerging

technologies in green buildings.

Emerging Specialties

We offer other services such as:

- alternative energy design

- emissions reduction

- green roofs

- materials life cycle assessment

- natural light simulation

- carbon footprinting, verification

Engineering Fresh Sustainable Solutions

Morrison Hershfield is a North American leader in

sustainability for the built environment and is

committed to innovative ideas and solutions that will

help our clients achieve their sustainability goals.

1 888 649 4730 morrisonhershfield.com

BURLINGTON CALGARY EDMONTON OTTAWA ST JOHN’S TORONTO VANCOUVER VICTORIA WINNIPEG

Morrison Hershfield is pleased to have been involved with consultancy

in major and recognizeable green building projects across Canada

8 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication 9

The project began when Corus leased the

majority of the 500,000sf office building

on Toronto’s east waterfront being designed

by diamond + schmitt Architects [dsAI]

and developed by the Toronto economic

development Corporation [TedCO] in con-

junction with Build Toronto. Quadrangle was

engaged to help modify the building so Corus

could bring together 1,100 employees and

dozens of different creative disciplines under

one green roof.

The equipment that drives media produc-

tion and distribution is energy-intensive, so

managing power consumption is critically

important. Among other innovations, Corus

worked with siemens to consolidate com-

puter systems and use virtualization to reduce

the number of servers required by over 90%.

Virtualization also allows Corus staff to work

anywhere in the building – part of a corporate

initiative to promote collaboration.

The design team integrated energy sav-

ing into daily operations at Corus Quay while

improving working life at the same time.

Throughout the facility, more than 4,000

lamps are managed using dAlI – digital

Addressable lighting Interface – technology.

dimmable electronic ballasts, addressable

field relays, occupancy sensors and daylight

sensors are controlled through web-based

software. That means changing keystrokes

instead of rewiring to reconfigure lighting

zones. In keeping with Corus values that focus

on personal accountability, employees can

now control workspace lighting levels through

their VoIP phones.

Consumption is only part of the story.

Buildings must be more than efficient and

healthy to be sustainable – they must also cel-

ebrate place, community and the user. Corus

entertainment’s focus on the idea of connec-

tivity has led to a leed ‘hat trick’.

Corus Quay is a leed Canada-CI Gold-

targeted interior design within a leed Canada-

Cs [Core & shell| Gold-targeted base build-

ing in a neighbourhood targeting leed-Nd

[Neighbourhood development] Gold under the

usGBC Pilot Program.

With Corus Quay, Corus entertainment and

Quadrangle Architects have created a facility

that encourages employee wellness, enables

energy literacy and flexibility. It also adds

spark to a neighbourhood, engaging the pub-

lic with the building’s occupants as they bring

entertainment ideas to life.

MICHelle XueReB Is susTAINABIlITy

sTRATeGIsT WITH QuAdRANGle ARCHITeCTs

lIMITed IN TORONTO.

CLIENT Corus Entertainment ARCHITECT Quadrangle Architects Limited PROJECT MANAGEMENT Pivotal Projects Inc. MECHANICAL AND ELECTRICAL ENGINEERS Crossey Engineer-ing STRUCTURAL ENGINEER Morrison Hershfield Engineering [interior tenant fit out of the building] LEED CONSULTANT Halsall Associates Limited LANDSCAPE Terraplan Landscape Architects CONSTRUCTION MANAGER Aecon Buildings BASE BUILDING ARCHITECT Diamond Schmitt Architects Inc.

Public engagment

Public parkway

Corus gathering space

Five-storey bio wall

Corus production space

Sugar beach

COMPuTeR sysTeMs use VIRTuAlIzATION TO ReduCe THe NuMBeR OF seRVeRs By OVeR 90%, AllOWING

CORus sTAFF TO WORk ANyWHeRe IN THe BuIldING TO eNCOuRAGe COllABORATION.

ONe OF THe MeeTING sPACes. Canadian salvaged

Timber PROVIded THe ReCOVeRed HeMlOCk

BOARds FOR THe MAIN eNTRANCe ANd WAlls OF

THe TV sTudIOs. BuRIed uNdeR THe PIeRs FOR MANy

yeARs, THe WOOd ABsORBed MINeRAls GIVING IT

GRey/GReeN COlOuRING.

A THRee-sTORey slIde CONNeCTs A COllABORA-

TION zONe ATOP TeleVIsION sTudIOs TO A MulTI-

use sPACe AT GROuNd leVel. THe FIVe-sTORey

lIVING WAll BIO-WAll By NedlAW lIVING WAlls

BRINGs lIFe ANd sOuNd TO THe CeNTRAl ATRIuM [1].

NATuRAl lIGHT FlOOds THe ATRIuM WHICH Is A CeN-

TRAl GATHeRING sPACe FOR THe COMMuNITy ANd

IT’s THe sOCIAl HeART OF CORus [2].

For Corus entertainment and Quadrangle Architects Limited, green building is good

business. That’s the philosophy that guided Quadrangle in creating a new

Toronto headquarters for Corus. Dubbed Corus Quay, it’s one of the

world’s most advanced media facilities and a great

example of an integrated approach to sustainability.

Michelle Xuereb

Corus Entertainmentdynamic leed gold-Targeted interior delivers big energy savings

Building floor plan Atrium daylightingN

1 2

10 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication 11

One take | ideas and comments

Currently 46% of the Province of Ontario’s

budget is allotted to the cost of health care.

According to a recent study by the Td Bank,

if current trends prevail that portion will

become 80% by 2030. This is unsustainable

and raises the question about the importance

of health in reducing health care costs.

A growing body of research supports the

notion that where people live has a sig-

nificant impact on their health. until recently

little attention has been paid to environmen-

tal factors such as the accessibility of healthy

foods and opportunities for physical activity,

factors that are of fundamental importance in

controlling the current obesity epidemic and

its attendant consequences.

In the u.s. between 1977 to 1995 the aver-

“if you want to improve health, you have to look beyond

the health care system. Most of the important policy deci-

sions that affect the health of the population are not made

by the Ministries of Health.”

[dr. Trevor Hancock, BC Public Health Consultant]

Health, Sustainability and Urbanism

age amount people walked per day fell 42%

while auto use increased at three times the

population growth. At the same time, levels

of obesity doubled. In fact the evidence in

these related statistics was so clear that The

Centre for disease Control issued recommen-

dations that called for improved access to

transit, mixed-use development and invest-

ments in pedestrian and bicycle infrastruc-

ture as strategies to help counter obesity and

attendant consequences such as diabetes

[obese people are 40 times more likely to

develop diabetes].

The 2007 diabetes Atlas of Toronto by

the Institute for Clinical evaluative studies

[see base diagram below] clearly identifies

neighbourhoods with a strong prevalence of

diabetes. In 2004 the united Way’s study

Poverty by Postal Code identified priority

neighbourhoods in need of social infrastruc-

ture [which they are currently providing with

a series of community Hub projects].

These neighbourhoods are relatively low

density with poor access to public transit and

retail services. These are precisely the neigh-

bourhoods that were going to be served by

the now cancelled Transit City Project, an

initiative that did not receive funding in the

last provincial budget because funds were

needed for – what else – health care.

It seems to me that one of the most

compelling arguments to be made for the

sustainable design of our buildings and our

communities is the creation of places that

foster a healthy lifestyle.

Intelligent urbanism encourages sufficient

density to support public transit, a mixture

of uses and more walkable communities.

This approach to urbanism results in much

reduced auto emissions, a lower per capita

carbon footprint, and a substantial saving

of energy. It will also support healthy life-

styles which just might contribute to helping

reduce spiralling health care costs.

dAVId sIsAM B.ARCH., OAA, FRAIC, leed

AP Is A PRINCIPAl AT MONTGOMeRy sIsAM

ARCHITeCTs INC., TORONTO.

N

Lake Ontario

0 10km2,5 5

Age- and Sex-adjusted DiabetesPrevalence Rates per 100 Persons, 2001/2

2.8 - 4.0 4.1 - 5.0 5.1 - 6.0 6.1 - 6.5 6.6 - 7.6 Neighbourhood Boundary Major Street Highway/expressway

Existing Subway and Light Rail Subway Extension Transit City Routes United Way Priority Neighbourhoods

Existing TTC Routes and Planned Transit City Routes

by David Sisam

ALBERTAEagle Lake Turf Farms Ltd.

eric@eaglelaketurf.com

BRITISH COLUMBIAN.A.T.S. Nursery Ltd.

liveroof@natsnursery.com

ONTARIOLiveRoof Ontario, Inc.

liveroof@liveroofontario.ca

The First and OnlyHybrid Green Roof System

ALBERTABRITISH COLUMBIAONTARIO

The First and OnlyHybrid Green Roof System

LiveRoof.com

even with these tools in place, there is still

much to be learned. As part of its mission

to “Bring Back the Wild” through outreach

and empowerment of children, earth Rangers

wants to continue to show that our building

embodies and showcases these values.

The eRC is working towards leed

for existing Buildings: Operations and

Maintenance certification, at a Platinum level.

This process has showed areas where further

conservation efforts can be focused, particu-

larly on the building’s thermal envelope.

during the leed-mandated performance

period, an investigative infrared scan will be

conducted on the building, possibly showing

wasted energy at windows, thermal breaks,

weatherstripping in need of adjustment and

repair, uninsulated roof penetrations and pos-

sible sources of moisture.

Further efforts have been directed at pur-

chasing and waste management policies, such

as waste lamp handling, local and organic

food purchasing, green cleaning, waste diver-

sion and recycling, pest control, landscaping,

stormwater control and commuting. There is

no one simple solution or technology that will

reduce a building’s operational impacts.

The earth Rangers Centre is an example of

what can be achieved with good design cou-

pled with conscientious and informed opera-

tions. The investment in design and construc-

tion of a green building is complemented by

the way in which it is occupied and run on a

daily basis.

ANdy sCHONBeRGeR, MBA, P.eNG. Is dIReCTOR,

eARTH RANGeRs CeNTRe

The earth Rangers Centre [eRC] in

Vaughan, a leed NC Gold building, is show-

casing this operational excellence. The eRC

is a 60,000sf building which boasts earth

tubes, green roofs, an award-winning green

data centre, ground source radiant heating

and cooling coupled with thermal mass con-

struction, solar thermal hot water heating,

efficient lighting, a wastewater treatment

plant, rainwater harvesting, and an extensive

energy and water metering system.

Staying green through operations excellenceEarth Rangers Centre

A B C D E

F G H I J

K

L

A Toilets and urinalsB Wash basins C Showers D Laundry E DishwasherF Primary settling/storage tankG aerobic bacteria digestionH Membrane bio-reactor filtrationI UV disinfectionJ Permeate water storage tankK Cooling towerL Irrigation green roof

Water reuse system

Prep for EB: O&M Platinum

1

2

• Roofing and membranes: Firestone TPO roof and

Flynn Green Roof

• Windows doubled glazed argon filled, low–e: Trulite

• On-site water treatment products: Ovivo Water

kEy MATErIALS

OPeRATiONS ARe CONTiNUALLy FiNe TUNeD, wiTH THe BUiLDiNG OPeRATiNG UNDeR 10 ekwH/SF iN 2009 [A

90% ReDUCTiON OVeR THe MODeL NATiONAL eNeRGy CODe FOR BUiLDiNGS BASe LeVeL, AND A 23% iMPROVe-

MeNT OVeR DeSiGN] [1]. eNeRGy MONiTORiNG AND MeTeRiNG AT OVeR 80 DiFFeReNT POiNTS ARe key PARTS

OF THe OPeRATiONS MANAGeMeNT [2].

By some estimates 75% of a building’s life cycle cost is in operations, with 25% being initial construction and design.

A green building must not only be designed to be low impact and high-performance, but its occupants and operators

must continue to actually operate the building that way. By Andy Schonberger

With 10-20% reduction in energy use realized

year over year since initial occupancy in 2004,

the eRC has net zero status as an achievable

goal in the not too distant future. Conservation

efforts are directed through a new building

automation system, which is integrating energy

Solutions today for tomorrow’s water

GL&V Canada Inc., Ovivo division2010 Winston Park Drive, Suite 300Oakville, ON L6H 5R7

Phone | [905] 491-2750Fax | [905] 491-2790Email | donna.morano@ovivowater.comWebsite | www.ovivowater.com

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measures, further decreasing the impact of the

eRC’s operations.

14 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication

The podium had been off limits to the public for many years. so as

part of the revitalization of the square it was decided that a green roof

on the podium would bring multiple benefits. As a result on May 28,

2010 the newest public park in the City of Toronto was opened.

After the new roof was designed to address the vapour diffusion

issues, the re-roofing process was started in May 2009. At the same

time the production of the green roof modules to be installed on the

roof began at the production nursery.

The revitalization of Nathan Phillips Square was started

with the re-roofing of the podium surrounding the towers

and council chamber. The roofing membrane had devel-

oped some leaks, but, more importantly, the insulation on

large areas of the roof was thoroughly soaked, because of

the lack of vapour diffusion, and needed to be replaced.

by Kees Grovers

• The podium is a dead flat concrete deck with load bearing capacity somewhere short of 100psf.• Roofing membrane is a three-ply hot rubber membrane• Polyethylene root barrier• Two layers of high compressive strength XPS insulation• 10mm dimple board as an air break layer• LiveRoof Standard and LiveRoof Deep modules

Green roof adorns podium of Toronto City Hall

roof AnAToMy

The design of the green roof was inspired by design elements within

the building as well as the physical demands placed on the plantings

which surround the towers on all sides. It includes 65 different native

and adaptive species of herbaceous plants and grasses, as well as 23

different species of sedums.

All were pre-grown to maturity during the fall of 2009 in very spe-

cific ‘random’ patterns and shipped to the site for installation. The

modular green roof system chosen meant that the green roof is a

horticulturally sound monolithic system with the benefit that, in case

of roof repairs, individual modules can be removed and re-installed

in the same fashion as roof top pavers. This modular approach also

ensured that the citizens of Toronto were able to walk onto a fully

mature green roof, when it opened in the spring of 2010.

kees GROVeRs, BsC [AGR], GRP OF CARAdOC lIVe ROOF PROVIded THe

MOdules FOR THe POdIuM ROOF.

THe New ROOF OF THe PODiUM AT NATHAN PHiLLiPS SQUARe.

THe New ROOF SeRVeS AS A PARk AND iNCLUDeS 65 SPeCieS OF HeRBACeOUS

PLANTS AND GRASSeS, AND 23 DiFFeReNT SPeCieS OF SeDUMS.

THe PLANT MATeRiAL wAS iNSTALLeD iN MODULeS THAT CAN Be ReMOVeD

AND Re-iNSTALLeD iN THe SAMe FASHiON AS ROOF TOP PAVeRS SHOULD ROOF

RePAiRS eVeR Be NeCeSSARy.

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16 ISSUE 1 | sabMag/Greater Toronto Chapter, CaGBC Regional Publication