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environmental design + construction

October2009

www.EDCmag.com

ThePre

mierSourceforIntegratedHigh

PerformanceBuilding

InteriorEnlightenment

Special Section:Cool Roong Plus

Your sfiber opt

gro

antr

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REALIZE THE POTENTIAL

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For more information, please cal l 877-5ANTRON, or v isit antron.net/edc.

INVISTA 2009 . Al l R i g h ts R eser ved. An tr o n an d th e An tr o n f ami l y o f mar ks an d l o g o s ar e t r ademar ks o f INVISTA.

Introducing

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Your sustainable fiber options are growing.New Bio_Antroncarpet fiber is the first dyeable carpet fiber wi

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Eco-lasting.

EcoVeil, the original, truly eco-effective

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2009 MechoShade Systems, Inc.All rights reserved.

Cradle to Cradle CertifiedCM is a certification

mark of MBDC. The GREENGUARD INDOOR

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your organizations

rechargeable batteries and cell phonesCall2Recycle

promotes sustainability and product stewardship through its free and easy

nationwide battery and cell phone recycling program. Sign up today, and join other organizations

who have helped Call2Recycle divert more than 50 million pounds of rechargeable batteries from

the solid waste stream.

1: Sign up at call2recycle.org for a free collection box.

2: Fill it with rechargeable batteries and old cell phones.

3: Ship the full box to us for free and well send you another one.

C H A N G E Y O U R V I S I O N

Recharging the planet. Recycling your batteries.

Reader Service No. 47 www.EDCmag.com/web

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OCTOBER 2009

VOLUME 12

NUMBER 10 CONTENTS

34

18

On the CoverThe ENVIRON team worked with H. Hendy Associates to implement many simple and

cost-effective sustainable strategies in a commercial offi ce space. Photo Lawrence

Anderson/ESTO.

10 WEB TOC

11 EDITORS NOTE

12 NEW +NOTABLE

48 MARKETPLACE +CLASSIFIEDS

48 ADVERTISERS INDEX

50 PARTING SHOT

In Every Issue

18

38

20

42

27 34

46

In This Issue

Tenant ImprovementImplementing various shades of green in a

corporate interior.

By Heidi H endy, CID, LEED AP, and Denise Irvine Simmons,

Assoc. IIDA, LEED AP.

Cool RoofsCodes and programs

are a piece of the

green puzzle.

By Julie Guyenet, CRRC.

A Recycled MasterpieceOld cans, worn-out carpets and borer-rava

ash trees combine to create a green show

for the Mechanical Contractors Associatio

By Mark McLaughlin.

Perspectives: Green SchoolsFor Every Child The green schoolbuilding movement continues to accelerate

with supportive legislation.

By Ashley Katz, USGBC.

Inside and OutBuilding renovation

project features a variety

of roong systems.

By Guy Compagnone, LEED AP.

Testing at the TopA3C puts a variety

of roong types

to the test.

By Daniel H. Jacobs, AIA, LEED AP.

Information ShowcaseED+Cadvertisers highlight green produ

and programs.

NewslineFor breaking news, visit www.EDCmag.com or sign up online

to receive the eNewsletter delivered right to your inbox.

Cool Roong Plus:A Special Section in ED+C, Sustainable Facilityand Roong Contracto

8/12/2019 ed+c.1009

9/52www.EDCmag.c

1-800-231-7788

tateaccessfloors.com

kingspan.com

Improves Indoor Air

Quality

Increases Energy

Efficiency

Reduces Material Waste

Increases Reconfigura-

tion Flexibility

Reduces Costs

Associated with Life-

cycle Churn Rates

Saves Building Materials

Increases Daylighting

Opportunities

Reduces Build Time

Reduces Energy Costs

Improves Comfort and

Personal Control

Helps Achieve LEED

Certification

Features Panels Made

in the USA of over 30%

Recycled Materials

IMPORTANT INFORMATION!

Tate is proud to offer best practices guides

to aid in the design and construction of

an access floor air plenum. Download all

three at www.tateaccessfloors.com.

EDC06084Tate indd 1 5/14/08 2:30:58Reader Service No. 72 www.EDCmag.com/webcard

I specify these

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EDC06094Spec indd 1 4/30/09 11:47:18Reader Service No. 73 www.EDCmag.com/webcard

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WEB

TOC

THIS MONTHS WEB EXCLUSIVE FEATURES INCLUDE

Honoring the Balance

By David Miller, Tom Carroll and Julie Walleisa

When the founder of Thornburg Invest-

ment Management decided his growing

company needed a new building, he

directed the design team to meet three ambi-

tious goals: provide a healthy, comfortable and

exciting environment for employees; honor

the beauty of Santa Fes natural environment;

and provide an example to the community of

an energy-effi cient design that balances local

traditions with new technology.

Green Law: How It Impacts Your DevelopmentBy Joey Vossen

While a newcomer to the sustainable discussion, green development law is not a new type of

law. Rather, it comprises the established principals of real estate, municipal and environmental

law focused through the lens of todays sustainable development issues. Three key areas where

the law is adjusting to green buildings and the impacts of the building industry are leasing, munici-

pal zoning, and future greenhouse gas regulation.

Breaking Down the Box

By Brigholme Interiors Group

Rening the image of a pre-engineered

warehouse from a standard white box to

an aesthetic that works in architectural

harmony with the custom part of a corporate

offi ce is challenging. For HD Supply Utilitys

new offi ce, the answer was to break it down

with colorful elements, systems furniture

and modular, movable walls. The result is an

inspiring interior space that carries the playful

exterior entrance through the entire offi ce.

1 2

3

1 2

Online Only at www.EDCmag.com

WEBINAR

OCT. 21, 2 P.M. EDT

Beyond Cool & Sustainable The Five Es of High-Performance Roofin

By Drew Ballensky

Register at webinar.EDCmag.com.

DU cast+

PHOTO COURT ESY OF ANDRE W ROSS PHOTOGR APHY PHOTO COURT ESY OF ROBE RT REC K PHOTOGR APHY

ITS OFFICIAL! ED+CAND SUSTAINABLE FACIL

ARE NOW USGBC EDUCATION PROVIDERS. T

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NOTE

While President Obamas American Recovery and Reinvest-ment Act includes more than $60 billion in clean-energyinvestments intended to jump-start our economy andresult in more clean-energy jobs, todays outlook is less thanencouraging. Much of the news is focused on the downeconomy, often-grim construction statistics, job loss anddownright bad news. So today, I thought Id offer a glimmerof hope, a reminder of some of the positive strides in our in-dustry and a sampling of good green stories thatve recentlymade headlines.

Many green building groups around the country aremoving in the right direction, emphasizing growth andcontinued success of green building.

To start, the City of Las Vegas recently announced the ex-pansion of its Green Building Program to include incentivesthrough a rebate program to stimulate new green buildingconstruction and provide energy-effi ciency retrots to exist-ing buildings.

The Green Building Initiative (GBI) announced the avail-ability of two new personnel certication programs forgreen building practitioners: Green Globes Professional(GGP) and Green Globes Assessor (GGA).

NSF International announced a new eco-effi ciencyprotocol, NSF Protocol 352 (NSF P352), for the validation andverication of eco-effi ciency analyses.

More than 1,600 green building professionals signed

up to participate in the LEED Credentialing MaintenanceProgram (CMP) in the rst three weeks of its August launch,according to the Green Building Certication Institute(GBCI). In case you missed it, ED+Cs LEED Guide offers moreinformation on this program at www.EDCmag.com.

The USGBC, whose own headquarters recently earned aLEED Platinum certication, announced that it has nallystepped up its commitment to improved building per-

formance with the launch of the Building PerformanceInitiative, designed to put in place a comprehensive datacollection effort from all buildings that have achieved LEcertication and implement an appropriate analysis metodology of that data.

So, there is good news to be had, especially in the greindustry. Stay positive, and stay focused on green.

Gearing Up for GreenbuildThe 2009 Greenbuild International Conference and Expojust around the corner, scheduled for Nov. 11 - 13 in Phonix, Ariz. And its gonna be hot! Former Vice President AlGore is this years keynote speaker, and nine-time Grammwinner Sheryl Crow will be performing at Chase Field as of the Greenbuild Opening Keynote & Celebration!

The Greenbuild lineup also includes standout speakersa residential summit, green building tours, more than 100educational sessions, additional workshops and events, a1,800 exhibit booths.

Make sure to stop by the ED+Cand SFbooth, 965, andintroduce yourself. Or you might nd us walking the oopresenting Readers Choice Awards, reporting live onlinevideotaping booth tours (e-mail [email protected] more information), or searching out the latest and greest sustainable product innovations to share with reader

Look for more information on Greenbuild in the Nove

ber issue of ED+C, too. For more information, visit www.greenbuildexpo.org.

See you in Phoenix!

Michelle

Associate Editor

Wendy Lyons

[email protected]

Phone: 248.786.1620

PROUDMEMBER SBIC

BNP MediaHelps People Succeed in Business with Superior Inform

2401 W. Big Beaver, Suite 700 | Troy, MI 48084 | 248.362.3700 | www.EDCmag.com

National Sales Manager

Jami Brownlee

[email protected]

Phone: 248.786.1657

Fax: 248.502.2065

National Sales Manager

Elizabeth Obloy

[email protected]

Phone: 248.244.6452

Fax: 248.244.3947

ADVERTISING +SALES

Tree(s):75 Solid waste:4,770 lbs Water:45,021 gal

Air emissions: 10,474 lbs Natural gas:10,915 feet3

Suspended particles in the water:30.2 lbs

ED+Csuse of Rolland Enviro100Print instead of virgin bers paperreduced its ecological footprint by

EDITORS

List Rentals

For postal information

please contact Rob Liska

at 800-223-2194 x726 or

email him at [email protected]

For email information

please contact

Shawn Kingston at

800-409-4443 x828 or

email her at shawn.kingston@

epostdirect.com

Group Publisher

Diana Brown

[email protected]

Phone: 248.244.6258

Fax: 248.244.3911

Editor

Michelle Hucal, LEED AP

[email protected]

Phone: 248.244.1280

Managing Editor

Derrick Teal

[email protected]

Phone: 248.786.1645

Fax: 248.283.6560

Art Director

Shannon Nieman

[email protected]

ART +PRODUCTION

Production Manager

Jeff Bagwell

[email protected]

Phone: 248.244.6481

Fax: 248.283.6589

Subscription Information or Service

Phone: 847.763.9534 Fax: 847.763.9538

[email protected]

More than a Glimmer of Hope

Reprints + Classied Sales

Kristina Lorio

[email protected]

Phone: 248.786.1579

Fax: 248.502.2140

SEE P. 47

FOR MORE

INFORMATION

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NEW

+NOTABLE1 High-Performance Flooring AdhesiveFloorSecure, a wood and tile ooring adhesive, is a one-part, high-

performance moisture cure adhesive that uses a polyether technology

to deliver fast setting performance without shrinkage or out gassing, the

company reports. It is designed for installing wood and bamboo ooring,

parquet ooring, slate and ceramic oor tile, and several kinds of athletic

ooring systems. According to the company, FloorSecure complies with

all air quality regulations, OSHA requirements and California Proposi-

tion 65. I t is non-ammable, solvent free and reportedly safe to use in

conned spaces. www.chemlinkinc.com.

Chem Link | Reader Service No. 20

2 Eco-Friendly, Cost-Effective Solution to Hard WaterHydroCare is a water treatment system designed to reduce energy costs

by preventing mineral buildup and by dissolving existing buildup oflimescale in pipes and appliances by transmitting an electrical signal

through the water. When the water is heated, this signal suspends miner-

als, preventing them from depositing on the inside of pipes and heating

elements in appliances. HydroCare technology utilizes a patented radio

wave technology that propagates throughout the entire plumbing sys-

tem, requiring no maintenance and using less than 2 watts of electricity,

the company reports. www.hydrocareusa.com.

H Q Hometek Inc. | Reader Service No. 21

3 Modular Green Roof TechnologyThe GreenShield Module system uses specially designed industrial-gr46-inch by 46-inch (1.17m1.17m) modules that are molded with pall

channels (for fork-lifting) and drainage perforations. The pallet chann

also serve as port ways for drainage and/or irrigation and provide air

to the root systems. According to the company, when the GreenShield

vegetative systems are paired with a waterproong membrane from

Garlands premium StressPly modied bitumen family of roong syste

no additional drainage is needed. GreenShield modules can be cut an

shaped to landscape settings. www.garlandco.com.

The Garland Company, Inc. | Reader Service No. 22

4 Pre-Engineered Insulated Standing Seam Roof PanKingZip Insulated Standing Seam Roof System, from Kingspan Insulat

Panels, is a pre-engineered, zip-up roong system created for enhancperformance, design exibility, aesthetic appeal and fast-track constru

tion. According to the company, KingZip Insulated Standing Seam Ro

is an alternative to traditional through-fastened metals roofs. Featurin

thermally broken hidden clip design, KingZip comes pre-engineered a

single component with the insulation already foamed in place, allowi

for single-step installation. The panels come in a 42-inch width and ar

available in lengths up to 48 feet. www.kingspanpanels.us.

Kingspan Insulated Panels | Reader Service No. 23

2

To request more information on these products, visit www.EDCmag.com/webcardand enter the corresponding reader service numbers.

4

3

1

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Rubber Flooring AdhesiveGreenFusion is a single-component, urethane adhesive

formulated for indoor and outdoor rubber ooring in-

stallation. According to the company, GreenFusion offers

a fast initial grab/tack, is easy to trowel, simple to clean

up, and once cured is not adversely affected by exposure

to moisture or water. Available in four-gallon pails,GreenFusion adheres to most rubber ooring, tile, stair treads and nosing. It

can reportedly be used over the full gamut of substrates common to rubber

ooring installations properly prepared concrete, plywood, cementitious-

based patch/underlayments and terrazzo. www.bostik-us.com.

Bostik Inc. | Reader Service No. 24

Ground Mount for Solar SystemReady Solars ground mount accessory, for

its pre-assembled Solar in a Box photovoltaic

systems, bolts onto the standard Solar in

a Box frame without factory modication,

the company reports. By making use of the

strength of the frame, the company minimizes

additional materials for a cost-effective solar

solution. The ground mount follows on Ready Solars development of

mounting systems for composition shingle, tile and metal roofs for its

pre-assembled, all AC Solar in a Box system. Ready Solar estimates that

Solar in a Box installs in 1/3 to 1/2 the time of traditional solar installa-

tions. www.readysolar.com.

Ready Solar | Reader Service No. 25

ENERGY STAR-Rated CFL DownlightsThe Halo Eco-Twist 5-inch and 6-inch aperture

multi-wattage compact uorescent (CFL)

downlights are IC-rated and feature AIR-

TITE housings that utilize a new spiral twist

compact uorescent lamp and multi-wattage

ballast system from Osram Sylvania allow-

ing interchangeability of 16W, 21W or 28W

lamps in a single housing. According to the company, the Eco-Twist line

incorporates new compact uorescent technology in insulated ceiling (IC)housings rated for direct contact with ceiling insulation. The housings are

also AIR-TITE to minimize air transfer and save on both heating and air-

conditioning costs. www.cooperlighting.com.

Cooper Lighting | Reader Service No. 26

Electronic Replacement of the Architectural BinderThe Smart E-Binder is an interactive electronic version of the traditional

construction industrys architectural binder delivered in a CD/DVD format

or on a memory stick, the company reports. It is designed to offer archi-

tects, designers and speciers features such as automatic updates, instant

sample requests and downloadable specications, CAD drawings and other

submittal documentation. The Smart E-Binder may save money by reducing

or eliminated printing costs while also lessening the companys environ-

mental impact of doing business. Clients can retrieve the binder from the

company website and avoid shipping impacts. www.smartebinder.com.

Smart E-Binder | Reader Service No. 27

Expanded Central Inverter LineThe next generation utility-scale Sunny Central

500U PV central inverter is a 500-kilowatt solar

inverter that reportedly delivers 97 percent

effi ciency (by CEC-weighting standards) along

with an integrated isolation transformer and an

updated user interface with an intuitive graphic

LCD display. According to the company, the new

Sunny Central 500U is now compatible with industry-standard building

management and energy service software protocols, and integrates e

ily into energy-aware infrastructures. A vast array of communication o

tions allows users to monitor energy production, system and grid stat

and weather data. www.sma-america.com.

SMA America, Inc. | Reader Service No. 28

New Active Solar Water-Heating SystemRheems SolPak is an active solar water-heating system

that uses roof-mounted Solar Rating and Certication

Committee-certied collection panels designed for

aesthetic design conformity, the company reports. SolPak

comes equipped with all the components needed to

complete the installation, including a heat exchanger

tank, collector panels, a controller, multispeed pump,

thermal expansion tank and other essential items. Rheem

SolPak is covered by a six-year limited tank warranty, 10-

year limited collector warranty and a two-year limited pump and cont

warranty. www.rheem.com.

Rheem Manufacturing Company | Reader Service No. 29

Multiple Pole Mount for PV Solar Electric SystemsThe Multi-Pole Mount (MPM) system is an

easy-to-assemble pipe structure designed to

mount on a single row of 3-inch or 4-inch SCH

40/80 galvanized steel pipes, the company

reports. The unique design offers unlimited

horizontal expansion and supports up to four

SF07094PILK indd 1 6/11/09


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PV solar modules in a column formation with

landscape orientation. The MPM incorpo-

rates heavy-duty stainless steel hardware,

high-strength welded steel ttings, and is en-

gineered to specic site requirements. Fewer

ground penetrations are created than tradi-

tional ground mounts by utilizing a singlerow of pipes, which requires less excavation,

materials and labor. www.directpower.com.

DPW Solar | Reader Service No. 35

Recycled Polyester-BambooSeating FabricsPolyBamboo seating fabric is unique in that it

incorporates the rapidly renewable attributes

of the bamboo plant with the recycled content

and durability features of polyester, according to

the company. The recycled polyester-bamboo

fabrics come in three patterns: Water, Rain and

Wind. Water is a classic solid pattern using the

bamboo yarn as an accent. The small-scale Rain

pattern uses bamboo yarn as a dot/color ac-

cent. Wind is a large-scale graphic pattern with

contrasting colors in the recycled polyester and

viscose from bamboo. www.teknion.com.

Teknion Corporation | Reader Service No. 36

Sustainable Carpet Tack StripGripper Edge tack strip has received an E1

formaldehyde rating, the best possible rating,

from the International Laboratory Accredita-

tion Cooperation (ILAC), the company reports.

In addition,

all tack stripshipped into

California is now

CARB certied.

Additionally,

the company

reports that the

tack strip has re-

ceived third-party verication that all plywood

used in the manufacture of the product comes

from sustainably farmed plantations. A dona-

tion to the Save a Forest nonprot corporation

is made with each box of Gripper Edge sold.

www.southerncrossbp.com.

Southern Cross Building Products, LLC | Reader Service No. 37

ENERGY STAR-Rated Cool RoofCool roof metal tile offers the look of tile and

energy savings with a cool architectural coat-

ing system in 10 designer colors. According to

the company, the coatings have solar reec

ity values ranging from 26 percent up to 67

percent, meeting, and in some cases excee

ing, ENERGY STAR requirements while offer

a 230+ mph wind rating. In addition to its w

resistance, Met-Tile offers a weather-tight,

moisture-resistant design and lightweight

yet strong steel construction. It carries a Cla

4 rating for impact resistance, and its light

weight enables its use in reportedly all type

new construction, remodeling and re-roo

projects, including those that cant bear the

weight of tile. www.met-tile.com.

Met-Tile | Reader Service No. 38

NEW+NOTABLE

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Its not only a reliable solar panel,its an element of design.

Solar powering a green futur

A good building succeeds in balancing the functional with

the aesthetic. And that is exactly what Suntechs Solar Design

Line does. The same piece of glass is both a window and a solar

panel at the same time so practical considerations need no

longer obstruct your architectural visio n.

www.suntech-power.com

ReaderServiceNo.148 www.EDCmag.com/webcard

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Choose any of our products that are GREENGUARD Children & Schools SMCertified

and youll know theyve met the highest standards in indoor air quality. Our family of

certified products includes:

BRAND

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Technical Info: 1-800-NATIONAL

or visit

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The GREENGUARD Children & Schools Mark is a registered certification mark used under license through

the GREENGUARD Environmental Institute.


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TenantImprovementIMPLEMENTING A SHADE OF GREEN IN A CORPORATE INTERIOR.

By Heidi Hendy, CID, LEED AP, and Denise Irvine Simmons, Assoc. IIDA, LEED AP

Architecture and design rms a

ing tenant improvement (TI) clie

in todays green culture frequen

encounter what is becoming an

all-too-familiar dilemma: dealin

with a clients misperception an

sumption that their offi ce space

earn LEED certication by simpl

requesting it.

While tenants who lease offi c

space are eligible for LEED certi

tion, LEED for Commercial Inter

(CI) was designed to work hand

in-hand with LEED for Core and

Shell (CS) certication. Though t

newest LEED system (3.0) launcin 2009 incorporates signicant

changes, this fact remains. Still,

pervasive misconceptions exist,

particularly when it comes to ho

and when to go about achievin

LEED CI certication.

Following the site selection an

lease negotiation process, it is no

uncommon for clients to mentio

their desire for LEED certication

an afterthought. Oh, and we wa

it all LEED certied, too, theyll sa

at the end of the programming

phase or, worse, when construct

documentation has already beg

Although well intentioned, client

are typically not well versed in th

THE ENVIRON OFFICE TEAM DID NOT

PURSUE FORMAL LEED CERTIFICATION

BUT IMPLEMENTED MANY SIMPLE COST

EFFECTIVE SUSTAINABLE STRATEGIES. PH

LAWRENCE ANDERSON/ESTO.

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importance of site selection, the energy system

commissioning process, or the prerequisites and re-

quirements necessary to achieve LEED certication.

Clients interested in occupying a green space

have more options to consider if the TI project

involves new construction or the leasing of entire

buildings. Consider a company that just took overtwo oors of a multistory brown building with

outdated energy systems: Is the option for green

still on the table? Is green only one color, or are

there actually shades of green?

ENVIRONs CommitmentThis was the case with ENVIRON, an Irvine, Calif.-

based global environmental consulting rm

that has had a long-standing commitment to

environmental sustainability. This commitment is

more than just a line item in the company mission

statement; it is a reection of the companys core

values. When ENVIRON learned that the cost to

upgrade the outdated building systems was an

extra $150,000, the company decided to forego

formal LEED certication and, instead, develop

its own green scorecard for its newly leased

21,785-square-foot offi ce space. With a budget

of just $35,000, ENVIRON worked with H. Hendy

Associates to identify affordable green products

and vendors and implement simple cost-effective

green strategies (i.e., the low-hanging fruit) to help

the company achieve its goals for sustainability.

The best part was that ENVIRON didnt have to

use any of the $35,000 it had budgeted to imple-

ment green features. The chart to the top right

explains some of the sustainable designs and

cost-saving measures implemented in the interior.

Successful Tenant Improvements

In an ideal world, the decision to implementsustainability in an offi ce design would always be

addressed in the early stages of a project. If your

design team is fortunate enough to be involved

in the site selection or lease negotiation process,

it is much easier to educate a client upfront about

green leases and the many LEED certied or certi-

able building options that exist in todays market.

Green offi ce leases, for instance, protect the

nancial interests of both the owner and tenant

of a high-performing building and ensure that

the building is properly maintained and operated

effi ciently over time. Green building owners know

that effective operations not only deliver signi-

cant cost savings but also an even more valuable

social currency in an increasingly environmentally

conscious business environment.At a time when demand for green real estate

has reached an all-time high and the economic

recession has affected building occupancy rates

in every market, owners of brown buildings are

struggling to remain competitive. As a result,

these owners are becoming more open to the

idea of honoring client requests for green retrots

and other green amenities.

Negotiable lease terms might include replac-

ing standard building nishes with sustainable,

renewable or low-VOC-emitting nishes and

carpeting; providing storage and collection ofrecyclables and e-waste such as computers and

monitors; installing high-effi ciency plumbing

equipment, valves and xtures in common rest-

rooms; replacing offi ce lighting with energy-effi -

cient systems; installing non-toxic, low-mercury

lamping in xtures, and installing submetering for

each tenants energy systems. Other simple green

measures might include having the building

owner contract with a green cleaning company,

establish a no-smoking policy and install perma-

nent entry mats to reduce indoor pollution.

Of course, not all building owners are in a posi-

tion to upgrade major systems to ones that are

more energy effi cient. However, the smaller green

amenities the shades of green options are

often a smart way to help clients achieve theirgoals for sustainability.

The success of a tenant improvement project

with LEED intent is entirely dependent on a

designers ability to clearly educate the client

upfront about the process and requirements

necessary to obtain certication. New require-

ments under LEED 2009, for example, may

drastically affect a clients site selection process

and project timetable. A new category called Re-

gional Priority, for instance, provides incentives

to address geographically specic environm

tal issues. Other prerequisites like the Minim

Program Requirements category may affect

site, building or city in which the client choo

to relocate. In order to apply for LEED certic

tion, a building:

Must comply with environmental laws; Must be a permanent building; Must be a reasonable site boundary;

Must comply with minimum FTE and oor

area requirements;

Must comply with minimum occupancy rat

Registration and certication activity must

comply with reasonable timetables and rat

system sunset dates;

Must allow USGBC access to whole-buildin

energy- and water-usage data;

Must comply with minimum building-area

site-area ratio.Other aspects of LEED 2009 that will chan

include creating a unied and consistent poi

scale across all rating systems of 1-100, with

identical points needed to earn the various

levels of LEED (certied, silver, gold, platinum

Additionally, the new requirements change t

allocation of points between credits. The new

distribution is based upon potential environ

mental impacts, human benets of each cred

and it considers such global issues as the ove

reduction of CO2emissions.

As interest in sustainable corporate interior d

sign increases, it has become more important t

ever for designers to familiarize themselves with

LEED rating system and requirements. Regardle

whether your client opts for formal LEED certiction or for shades of green, there are always wa

to help your client come to a viable solution.

HEIDI HENDY, CID, LEED AP, IS PRESIDENT AND FOUNDING PRINCIPAL OF

NEWPORT BEACH, CALIF.BASED H. HENDY ASSOCIATES, A CORPORATE I

RIOR ARCHITECTURAL DESIGN FIRM THAT HAS PROVIDED SMART INTER

SOLUTIONS, INCLUDING ECOFRIENDLY DESIGN, TO COMPANIES THROUG

SOUTHERN CALIFORNIA FOR THE PAST 29 YEARS. COAUTHOR DENISE IR

SIMMONS, ASSOC. IIDA, LEED AP, IS A DESIGN ASSOCIATE AT H. HENDY A

ATES. FOR MORE INFORMATION, VISIT WWW.HHENDY.COM.

ENVIRON DEVELOPED ITS OWN GREEN SCORECARD FOR ITS

NEWLY LEASED 21,785SQUAREFOOT OFFICE SPACE. PHOTO

LAWRENCE ANDERSON/ESTO.

FURNITURE SELECTION

ENVIRON opted to purchase a nd reuse offi ce furnishings and ar twork from a previous ten-

ants space. Furnishing the offi ce with repurposed furniture helped the company cut costs

conserve energy, and reduce waste and pollution.

FLOOR PLANThe company chose an open space plan that allowed for natural daylight to penetrate dee

into the offi ce space.

CONSTRUCTIONENVIRON incorporated ways to recycle construction waste in order to minimize disposal inlandlls or other waste disposal facilities. Storage and collection spaces were also provide

onsite for the collection of future recyclables.

MATERIALSMaterial specications included FSC-certied wood and low-VOC (volatile organic com-

pound) emitting carpets, wall and ceiling insulation, paints, adhesives and sealants.

LIGHTING SCHEMEENVIRON installed energy-effi cient lighting, including dimmers and automated occupant sensor

every room. Individual workstations were lit using direct task lighting, not costly overhead lightin

FINISHESSustainability efforts were supported by the use of renewable surface nishes such as

bamboo and cork ooring.

EXTRA FEATURES To encourage employees to ride bicycles to work, the company installed showers in the restroo

TenantImprovem

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A RECYCLEDMASTERPIECEOLD CANS, WORNOUT CARPETS AND BORERRAVAGED ASH TREES COMBINE TO CREA

A GREEN SHOWPLACE FOR THE MECHANICAL CONTRACTORS ASSOCIATION.

By Mark McLaughlin

VISITORS TO THE MCA OF GREATER CHICAGOS NEW GREEN HEADQUARTERS ENTER THROUGH VESTIBULE DOORS MADE FROM RECYCLED MATERIAL AND WALK OVER ENTRYWAY MATS DESIGNED TO ATTRA

AND HOLD DUST AND DIRT. PHOTOS COURTESY OF THE M CA OF GREATER C HICAGO.

8/12/2019 ed+c.1009

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hat do you get when you combine an estimated

9,372 used aluminum cans, seven rolls of worn-out

carpet, 23 trees killed by emerald ash borers, some

used furniture and various other discarded items?

In the case of the new headquarters of the Me-

chanical Contractors Association (MCA) of Greater

Chicago, located in the suburb of Burr Ridge, Ill.,

you get a recycled masterpiece of a green building. Not only does the

building employ a wide array of sustainable technologies but it also

serves as a green showplace, illustrating that a building that saves energy

and protects the environment can also be pleasing to the eye.

The building did not start out as green. Once association offi cials selected

a building for their new headquarters, work began to integrate sustainable

technology into the structure. The building was built out from an existing

unoccupied shell, and recycled content was used whenever possible during

construction, furnishing and decoration. The new headquarters is registered

as a LEED CI building, and the certication process is now under way with a

gold rating expected. When the new MCA of Greater Chicago headquarters is

certied, it will be the rst LEED-rated building in Burr Ridge. For years, the as-

sociation had been based in a downtown suite, said Stephen Lamb, executive

vice president of MCA of Greater Chicago, and we would hold educational

programs for our member contractors in convenient locales throughout the

metro area. But it soon became clear that we needed to centralize our efforts.

THE KITCHEN AREA FEATURES THE BUILDINGS RECYCLING CENTER, AND THE KITCHEN COUNTERS ARE COMPOSED OF RECYCLED ALUMINUM.

THE MEETING ROOM FEATURES ERGONOMIC CHAIRS AND HIGHEFFICIENCY LIGHTING.

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and the direction our industry is taking, he s

The teaching area in the facility is state-of

art and an excellent learning environment, sa

Keith Rahn, faculty advisor for MCA of Greate

Chicagos student chapter at Illinois State Univ

sity. Rahn is also an instructor with the associa

tion and taught the rst class, Understanding

Mechanical Systems, in the green headquarte

see the trend in green building continuing to

crease, he added. A lot of architects and own

are looking to head in the green direction.

Member contractors of MCA of Greater

Chicago work with the pipe tters and servi

technicians of United Association Local Unio

(LU) 597 to build powerhouses that generat

electricity; install and service heating and ai

conditioning systems in homes and comme

buildings; and install piping wherever it is

needed, from oil reneries to food-processin

plants. LU 597 and the Green Construction I

tute provide classes in sustainable technolo

for the unions apprentices and journeymen

Welcome In

In the new MCA of Greater Chicago head-quarters, green building features can be

found throughout the structure. Not only

does the building work in harmony with

nature, Bulley said, but the people worki

and training inside enjoy the comfort of a

healthy indoor environment.

Visitors to the new green headquarters en

through vestibule doors made from recycled

material and walk over entryway mats desig

to attract and hold dust and dirt. The double

of doors also helps to save energy.

The wallpaper, ceiling tiles and kitchen

tiles are some of the major items made from

recycled material, Bulley said. The carpets a

composed of many smaller sections, so if a h

traffi c area wears out, sections can be remov

and replaced with minimal effort and waste

The counters in the kitchen area are

composed of shredded, recycled aluminum

encased in a tinted clear low-VOC coating.

Even the furniture is reused and restored. T

millwork in the main serving area is made f

wood salvaged from ash trees that had to b

cut down because they were infested with

emerald ash borers. Typically, the trees are

down and burned. But since the infestation

Plus, wed started the Green Construction

Institute, which has been a great success,

added Dan Bulley, senior vice president of MCA

of Greater Chicago and a Leadership in Energy

and Environmental Design (LEED) Accredited

Professional. Bulley is also executive director

of the Green Construction Institute. Becauseof our strong commitment to sustainable

technology, it was absolutely essential that our

new headquarters had to be green.

John Stern, president of the board of MCA of

Greater Chicago, believes the associations facil-

ity is a direct reection of the MCA of Greater

Chicagos leadership role in the green building

movement. This state-of-the-art building rep-resents our commitment to future technologies

BECAUSE OF OUR STRONG COMMITMENT TO

SUSTAINABL E TECHNOLOGY, IT WAS ABSOLUT

ES S ENTIAL THAT OU R NEW HEADQU AR TER S H

TO BE GREE N. DAN B ULLEY, LEED A P, SEN

VICE PRESIDENT OF MCA OF GREATER CHICAG

AND EX ECU TIV E DIR ECTOR OF THE G R EEN

CONS TR U CTION INS TITU TE.

A RECYCLEDMASTERPIECE

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need for paper towels. The buildings water-c

serving plumbing was donated by Sloan Valv

The permanent walls of the building have b

lled with Icynene, an energy-saving foam insu

tion that was sprayed into place once electrica

plumbing services were installed. The foam the

expanded to ll all gaps in the walls, sealing the

building envelope and providing a superior lev

thermal, draft, moisture and sound insulation.

The building uses high-effi ciency light-emi

diode (LED) lighting with a system that measu

the light currently available and then self-adju

The use of glass in the buildings design allows

effi cient use of natural light. Occupancy senso

turn off lights after visitors leave. These measu

save 30 percent over traditional lighting.

In the buildings workspaces, 85 percent

the interior walls are modular. These movabwalls can be produced and installed with le

impact on the environment and then eithe

recongured or moved with little waste.

And to Top It All OffWhat does it take to top off an innovative gre

building? Nothing less than a white roof, whi

reects sunlight so it does not warm the build

or the surrounding area. This decreases the n

for air conditioning. Traditional dark surfaces

tribute to an unwanted urban heat island effe

The green headquarters of MCA of Greate

Chicago is complete for now. It would be

mistake to say the building is nished, Bulle

said, because, really, it will never be nished

Sustainability is an ongoing process, and wecontinue to improve upon the building as g

technology progresses. With each passing ye

it will keep on getting better and better.

MARK MCLAUGHLIN OF NEHLSEN COMMUNICATIONS WRITES ABOU

GREEN BUILDING, LABOR ISSUES, VOCATIONAL TRAINING, WORKER

SAFETY, AND OTHER CONSTRUCTION AND WORKPLACE ISSUES.

To nd out more about MCA of Greater Chicago and

green building, visit www.mca.org.

WOOD WAS SALVAGED FROM ASH TREES THAT HAD TO BE

CUT DOWN BECAUSE THEY WERE INFESTED WITH EMERALD

ASH BORERS.

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As a 25-year construction

management rm committed to

the principles of green building,

Chapman Construction/Design

believes education is key to helping

building owners become better

informed, environmentally respon-

sible decision makers. That thinking

was part of the strategy behind a

full-scale green renovation project

at the companys headquarters

in Newtown, Mass. Chapmans

internal staff served as construction

manager, green consultant and de-

signer for the multi-phased, interior

and exterior renovation project.

Following the rigorous technical

standards of the Leadership in Ener-

gy and Environmental Design (LEED)

Green Building Rating System, the

rm set out to achieve LEED Plati-

num certication (making it just one

of three projects in Massachusetts

to earn the LEED for commercial

interior designation). The ambitious

renovation project included:

Installing high-effi ciency lightxtures and re-lamping exist-

ing xtures to reduce electrical

consumption;

Replacing standard plumbing

xtures with dual-ush toilets,

waterless urinals and ultra low-

ow faucets that the company

estimates have reduced water

consumption by at least 50

percent;

Installing sunlight tubes and

enlarging windows to increase

daylighting and reduce arti-

cial lighting; with the addition

of daylight and occupancy

sensors, Chapman slashed itslighting power density by

40 percent;

Salvaging and re-using doors,

lighting, metal studs and ma-

sonry whenever possible; and

Using sustainable products,

such as recyclable carpet tiles,

low-VOC paints, bamboo, cork

and Forest Stewardship Council

certied lumber.

Inside and Out

BUILDING RENOVATION PROJECT TRAINS EMPLOYEES AND EDUCATES CLIENTS WITH A VARIETY OF ROOFING SYSTEMS AND GREEN BUILDING PRODUC

By Guy Compagnone, LEED AP

A NEW, WHITE FIRESTONE ULTRAPLY TPO SINGLEPLY ROOFING SYSTEM WAS INSTALLED ATOP CHAPMAN CONSTRUCTIONS HEADQUARTERS AS PART

ITS EXTENSIVE GREEN RENOVATION PROJECT.

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The answer begins and ends with the membrane.

The true cost of a roof is measured over its total life, and the Duro-Last Cool Zone membranesproven performance helps minimize life-cycle costs. Every Cool Zone roof: Is white through-and-through, with exceptional reflectivity and emissivity characteristics that help

reduce energy bills and preserve the effectiveness of other building components. Has a high-density weft-insertion knitted scrim to provide strength and durability that can perform

in all climates for up to 20 years or more. Is prefabricated to fit each roof precisely, meaning less installation waste, less on-site seaming, less

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Rooftop Solar CenterpieceHowever, the centerpiece of Chapmans

green renovation initiative was a new 47- kW

(DC) photovoltaic (PV) solar power array

installed on its rooftop. Comprised of 208

panels, the SunPower SPR-225 system is

designed to produce 55,000 kWh of clean

power per year. In the 11 months since its in-

stallation, the system has already gener ated

49,000 kWh. With an estimated total annual

power consumption of 55,000-60,000 kWh,

the new system is currently supplying nearly

all of the companys electrical power needs.

The P V sys tem is gr id-c onnected and

sends excess power back to the utility dur-

ing times of peak production. Chapman

estimates its electricity cost savings in the

first four to five years will approach $50,000,

or $10,000 per year.

Based on the grant it received from the

Massachusetts Technology Collaborative as

well as federal/state tax credits and incentives

combined with its reduced electrical load,

Chapman anticipates the system will pay for

itself in ve years. With an estimated 40-year

lifespan, the PV system may potentially pro-

vide Chapman with 35 years of free power.

Beyond Solar PowerAlthough the entire roof surf ace totaled

only about 15,000 square feet, the facility

consists of three buildings grouped together

with separate single-ply roofing systems

ethylene propylene diene monomer (EPDM)

and thermoplastic polyolefin (TPO). Both

membrane roofing systems were manufac-

tured by Indianapolis-based Firestone Build-

ing Products Company, LLC and installed by

Roberto Bros. Roofing, Wakefield, Mass.

To further enhance g reen building

principles, three sections of the PV system

were installed above a new, highly reflec-

tive white Firestone UltraPly TPO single-ply

roofing system. The two remaining sections

of the PV system were installed over an ex-

isting EPDM membrane that was top-coated

with Firestones white AcryliTop coating,

which exceeds th e EPAs ENERG Y STAR

requirements for energy efficiency.

According to Tony Roberto, managing

director of Rober to Bros. Roofing, We

installed the existing Firestone fully ad-

hered RubberGard EPDM roof about eight

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EDC10094ncfi indd 1 9/11/09 2:12:08

CHAPMANS LOBBY AND ADMINISTRATION AREA SHOWCASE

A NUMBER OF COSTEFFECTIVE SUSTAINABLE STRATEGIES,

INCLUDING THE EXTENSIVE USE OF DAYLIGHTING, RAPIDLY

RENEWABLE MATERIALS AND VARIOUS INDOOR AIR QUALITY

MEASURES. PHOTO COURTESY OF LUCY CHEN.

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8/12/2019 ed+c.1009

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years ago and it was still in good shap

so a reflective acrylic coating was adde

to help block out UV rays and reduce

cooling loads.

The h igh solid s, ac ryl ic-based coating

provides roof membrane protection to p

long roof life cycles and reflect solar rad

tion. Applying a light-colored coating ov

a dark-colored roof also can help reduce

thermal shock stress associated with la

temperature variations on rooftops.

The roong system on the other section

consisted of 60-mil Firestone UltraPly TPO

membrane fully adhered over two layers of

two-inch-thick Firestone ISO 95+ GL polyis

insulation. Although the roof decks are adj

cent to each other, the project involved two

separate installations.

On one portion, Roberto Bros. recover

an existing built-up roofing system with

TPO s ystem . On the other area, Chapman

reframed the deck to enclose the structu

steel that carries the PV array, and Rober

Bros. then installed new polyiso insulatio

and the fully adhered TPO membrane.

Thermo pla stic s ing le-pl y r oof ing me

branes are the fastest growing segmen

of the commercial roofing industry. TPOroofing membranes have gained broad

industry acceptance for their many env

ronmental, performance and installatio

advantages. In addition to its excellent

reflective properties, Firestone UltraPly

TPO mem bra ne off ers superi or ozo ne a

chemical resistance. It also contributes

ward earning LEED Sustainable Site cre

7.2 (SSC 7.2) and has earned the ENERG

STAR label.

Products that carry the ENERGY STAR l

have been certified by roofing manufact

ers to lower roof surface temperatures by

to 100 degrees Fahrenheit. By incorporat

both a white acrylic coating and the whit

TPO roo fing systems into t he pro ject, the

creased reflectivity lowers the roof temp

ture during air conditioning and reduces

amount of heat conducted into the build

thereby reducing cooling costs.

The roof improvements were inclu ded

Chapmans LEED application and directly

contributed to the success of the projec

specifically earning half a point for Susta

able Sites, Credit 1 Option E: Heat Island

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CHAPMANS EXECUTIVE OFFICE FEATURES A FULL

CURTAIN WALL OF HIGHEFFICIENCY OPERABLE GLASS

WHICH PROVIDES DAYLIGHT, VIEWS AND NATURAL

VENTILATION FOR THE ADJACENT WORK STATIONS.

PHOTO COURTESY OF LUCY CHEN.

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As Strong as It Seam

Not all TPO membranes are created equally, so dont

put your reputation on the line with a subpar sheet.

Carlisles Sure-Weld TPO features the strongest,most dependable heat-welded seams in the industry,

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Benefits of Carlisles Sure-Weld TPO:

Stronger seams equal fewer leaks and callbacks

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Certified Fabricated Accessories (CFAs) save time an

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Investing in Roofing Solutions for Over 45 Years800-4-SYNTEC P.O. Box 7000 Carlisle, PA 17013 Fax: 717-245-7053 www.carlisle-syntec.comCarlisle is a trademark of Carlisle. 2009 Carlisle.

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Hands-on ApproachOnce the EPDM and TPO roofing systems

were complete, Chapman staffers both

field and office personnel volunteeredto participate in a modern day barn raising

to gain practical training in PV installation.

Chapman used the PV roofing installation

as an opportunity to help its employees, as

well as the local community, better under-

stand sustainable construction.

A rooftop observation deck enables

Chapman to give visitors an up-close look

at the new green roofing systems. Similarly,

Chapmans new first-floor lobby includes

a digital display highlighting the electrical

generation and the many cost-effective

sustainable materials used to help meet the

LEED Platinum status.

The project has been the perfect t rain-

ing ground for employees and has becomea learning lab that deepens everyones

understanding of LEED requirements and

sustainable construction. It encourages all

employees, including the companys 24 LEED

Accredited Professionals (AP), to put into

practice what they learned in company-spon-

sored seminars, LEED AP exam study groups

and on the jobsite. Similarly, it is a huge ben-

et to clients because Chapman can better

illustrate the advantages of looking beyond

initial costs and, instead, consider the imp

of a building throughout its life cycle.

Recently, the company added a Susta

able Product Resource Center, open to th

public and industry, where it installs and

evaluates numerous green product offer

ings before making any recommendatio

to clients or architects. Chapman also pl

to add a small garden roof area on the

eastern edge of the building. The landsc

ing will provide areas of sedum and nativ

planting in both sun and shade conditio

While Chapmans LEED Platinum reno-vation project was no small undertaking

it squarely demonstrates the companys

philosophy and commitment to sustaina

construction practices. More important,

validates a desire to inform and educate

ployees as well as other building profess

als about the benefits of going green.

GUY COMPAGNONE, LEED AP, IS CHAPMANS DIRECTOR OF SU S

ABLE PRACTICES. VIS IT WWW.CHAPCON.COM.

A ROOFTOP OBSERVATION DECK ENABLES

CHAPMAN TO GIVE VISITORS AN UPCLOSE LO

AT THE NEW GREEN ROOFING SYSTEMS.

CHAPMAN CONSTRUCTIONS NEW 47KW PHOTOVOLTAIC SOLAR POWER ARRAY IS CURRENTLY SUPPLYING NEARLY ALL OF THE

COMPANYS ELECTRIC POWER NEEDS.

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Introducing GardenScapesFrom GAF

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Your choice of single-ply TPO or multiple-plyTriPositeXLsystems

Up to 15%, according to recent studies1

The potential to build a larger structure or addsquare footage onto your existing propertythan would normally be allowed by code(due to improved stormwater management)

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Completed in the spring of 2008, the cool and green roof demonstration/

research project of Ann Arbor, Mich.-based architecture and design rm

A3C took place atop its UrbEn Retreat. The project was implemented

with the assistance of Firestone Building Products and in collaboration

with Prof. Moji Nawab of the University of Michigans Sustainable Design

Research Lab. The planting of 2,500 plugs in the loose-laid portion of the

green roof was completed in May 2008, with the assistance of a dozen

local master gardeners.

Testing at the TopA3C PUTS A VARIETY OF ROOFING T YPES TO THE TEST ATOP ITS URBEN RETREAT.

By Daniel H. Jacobs, AIA, LEED AP

A3CS LEEDCI GOLD SUSTAINABLE SHOWCASE AND URBEN RETREAT HAS WON NEARLY A DOZEN

DIFFERENT LOCAL AND REGIONAL AWARDS FOR ITS SUSTAINABLE ACCOMPLISHMENTS. SHOWN IS

THE BEFORE BOTTOM RIGHT AND AFTER. PHOTOS BY CHARLES TUROK OF A3C.

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THE ROOF PLANTING INCLUDES 25PLUS PLANT VARIETIES AND 2,500PLUS PLUGS AND PLANTS THAT WERE HAND PLANTED. THE THERMAL PERFORMANCE OF THESE GREEN ROOFS AND OF THE DIFFERENT

COLORCOATED MEMBRANE ROOFS WILL BE RECORDED AND ANALYZED.

The SubjectsThe roof consists of three different types of membrane roong. The south end and

northwest corner of the roof are 60-mil black EPDM. The northeast corner of the roof is

a specially coated TPO, and the center section of the roof is a green roof with a 60-mil

white TPO roof membrane and a 45-mil slip sheet/root barrier. Four-and-a-half inchesof closed-cell polyurethane was installed on top of the wood decking with a top layer

of a 1/2-inch paperless gypsum product on the insulation. The combined R-value

of the roof is R-30, which is 50 percent more than the current ASHRAE prescriptive

requirement for the state of Michigan.

The EPDM in the northwest corner was divided into four strips. The northernmost sec-

tion was left black, while the next section to the south was coated grey. The next southern

section was then colored buff, while the southernmost section was coated white. The roof

coating material is designed to absorb less invisible near-infrared radiation (NIR), creating

a cooler roof with a higher solar reectance. These cool coatings lower roof surface tem-

peratures, reducing the need for cooling energy, as evidenced in the graphs.

While research studies on the thermal performance of cool roofs have been done

for Minnesota and Maryland, we are not aware of any done in Southeast Michigan

that take into consideration the local lake-effect weather which results in only 2.5 days

of clear sky per month during a typical winter. The 2007-2008 winter was colder and

snowier than our typical winters, but it also had a few more clear-sky days. It was also

our intent to study the differences between cool roofs, and between cool roofs andgreen roofs of varying depths during a full year.

Live Roof/Hortech provided a 4-inch pre-vegetated tray system, and Xero Flu pro-

vided a 2.5-inch matt system. We worked with Jorg Breuning of Green Roof Services in

the design of the extensive and semi-intensive loose-laid systems. Atwell Hicks William

Knighton assisted with plant selection.

Data CollectionA total of 18 sensors were installed so each area could be monitored, and each area

has a primary and backup sensor. Sensors are installed just under the membrane,

just above the deck and just below the roof structure within the conditioned space.

Fall - October 2, 2008

20

30

40

50

60

70

80

90

100

110

120

130

140

11:56PM

1:56AM

3:56AM

5:56AM

7:56AM

9:56AM

11:56AM

1:56PM

3:56PM

5:56PM

7:56PM

9:56PM

11:56PM

Time of Day

Temperature(F)

S2: 2 1/2"

R: 4" (Tray

T: 4"

Q: 6-8"

A: Black E

B: Tan EP

C: Gray E

D: White E

E1: White

Outside T

Winter - December 21, 2008

-5

0

5

10

15

20

25

30

35

11:56PM

1:56AM

3:56AM

5:56AM

7:56AM

9:56AM

11:56AM

1:56PM

3:56PM

5:56PM

7:56PM

9:56PM

11:56PM

Time of Day

Temperature(F)

S2: 2 1/2"

R: 4" (Tray

T: 4"

Q: 6-8"

A: Black E

B: Tan EP

C: Gray E

D: White E

E1: White

Outside T

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COOL ROOFING

PLUS

What is green roofing? Green is what we do everyday, one roof at a time. Since1993 ERSystems has restored over 500 million ft2 of roofs. What does this mean?

Over 12,500 tons of roof waste was kept out of landfills and 23,000 tons of

carbon emissions were avoided.

Almost 400 million ft2 of Cool Roofing was installed, reducing energy consumption

and the Urban Heat Island Effect.

We have led the reflective Cool Roofing movement by focusing on what is best

for our customer, the building owner. The best means extending their roof life well

beyond industry standards. We do this by protecting the existing roofing system

with coatings that keep the roof cool with high reflectivity and emissivity.

Our systems have been installed across the country over the complete variety of

roofing systems including: metal roofing, EPDM membrane, PVC membrane, CSPE

(hypalon) membrane, asphalt cap sheets, spray polyurethane foam, and BUR.

HOT ROOFS. COOL SOLUTIONS.

OVER 500 MILLION FT2

OF RESTORED ROOFS

OVER 500 MILLION FT2

OF RESTORED ROOFS

WWW.ERSYSTEMS.COM 800.403.7747

CR09094ersy indd 1 8/6/09 9:31:10 AMReader Service No. 81 www.EDCmag.com/webcard

Data is collected at 4-minute intervals. This

data is regularly downloaded and converted

to spreadsheets to allow both numerical and

graphical comparison. (Data from the start of

the four seasons has been provided.)

Data from the rst day of summer 2008

showed the outdoor temperature went from

60 degrees in the early morning to 75 degrees

during the afternoon. It was a partly cloudy day,

as evidenced by the spikes in the temperature.

During that time, the temperature under the

black roof membrane added 23 degrees of ad-

ditional heat versus the outdoor temperature,

going from 60 degrees to 98 degrees. The grey

and buff roofs had temperature highs of 85 and

80 degrees. The white roof reduced the thermal

Spring - March 20, 2009

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

11:56PM

1:56AM

3:56AM

5:56AM

7:56AM

9:56AM

11:56AM

1:56PM

3:56PM

5:56PM

7:56PM

9:56PM

11:56PM

Time of Day

Temperature(F)

S2: 2 1/2"

R: 4" (Tray)

T: 4"

Q: 6-8"

A: Black EPDM

B: Tan EPDM

C: Gray EPDM

D: White EPDM

E1: White TPO

Outside Temperature

Summer - June 4, 2009

30.0

40.0

50.0

60.0

70.0

80.0

90.0

100.0

110.0

120.0

130.0

140.0

150.0

160.0

11:56PM

1:56AM

3:56AM

5:56AM

7:56AM

9:56AM

11:56AM

1:56PM

3:56PM

5:56PM

7:56PM

9:56PM

11:56PM

Time of Day

Temperature(F)

S2: 2 1/2"

R: 4" (Tray)

T: 4"

Q: 6-8"

A: Black EP

B: Tan EPD

C: Gray EP

D: White EP

E1: White T

Outside Tem

load to basically the outdoor temperature,

resulting in only a 5-degree rise in temperat

Under the shallow green roof adjacent

the cool roof strips, the temperature wen

from 60 to 68 degrees never adding a

thermal load at all. It actually helped kee

the building cool. Similar results were see

in spring and fall as well. The winter chart

shows that the green roof did help keep t

roof warmer than the cool roof. This is pro

ably in part due to the snow, which accum

lates on the roof and the green roof acts a

a thermal mass between the snow and th

roof membrane.

Results

After a full year of recording the performanc

of the different cool roofs and different-dept

green roofs, we found that the green roofsperformed better than the white cool roof w

regard to cooling. But because of the amoun

of insulation, the thermal load due to the roo

was negligible between the cool white roof

and the green roof. That said, we would alwa

recommend a green roof if budget or structu

allowed. Green roofs provide a wider range o

benets beyond thermal performance inc

ing stormwater runoff quality and quantity, a

extending the life expectancy of the membr

roof as well as intangibles like aesthetics.

Green roofs can also act as a desirable gathe

spot, especially if you have a gathering/mee

spot overlooking the park-like green roof as

do in the UrbEn Retreat.

DANIEL H. JACOBS, AIA, LEED AP, IS SENIOR

PRINCIPAL, DIRECTOR OF SUSTAINABLE DESI

OF A3C. ALSO THE FOUNDING PRINCIPAL OF A

HE LEADS THE F IRMS SUSTAINABLE DESIGN

DEVELOPMENT EFFORTS. HE TEAMS WITH TH

PROJECT MANGERS TO FACILITATE PLANNING

GRAMMING AND DESIGN THROUGH AN INTEGRATED DESIGN APPRO

HIS BACKGROUND IN ENGINEERING AND ARCHITECTURE RESULTS IN

FACILITIES THAT INTEGRATE BUILDING SYSTEMS IN AN EFFICIENT A

EFFECTIVE WAY WHILE CREATING INVITING ENVIRONMENTS.

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Mule-Hide is your brand for a broad line of low-slope,sustainable roofing systems that meet todays andtomorrows needs. Backed by system warranties and

unparalleled special solutions support,Mule-Hide has it all . . . and its all best in class.

Single-Ply Systems - EPDM, TPO, PVC, DecTec Walkable PVC

Self-Adhering Mod Bit - including KoolCap

Elastomeric Acrylic Coatings

Polyisocyanurate Roof Insulation & Accessories

Living Roofs featuring GreenGrid modular technology

Maintenance & Repair Solutions - Asphalt Cements & Coatings,

Aluminum Roof Coatings, Seal-Fast Tapes & Roof Repair Products

Extensive Listings & Approvals - Including products that are

CRRC rated, meet ENERGYSTAR, CA Title-24, and products eligible

for LEED credits - all ame/fume-free, insurance & crew friendly.

So, if clean installation, energy efficiency,extended roof life cycle, and peace of

mind are important, select Mule-Hide.

Meeting current and emerging needs . . . for on top of a low-slope roof.

Top of the world.

You need it. Weve got it . . .

Individualized AssistanceJob Starts

Crew Training Sessions

Job Specific Training

Attention to DetailJob Layout Assistance

Unique Detail Assistance

Project Level Technical AssistanceSpecific Answers on Installation Details

Low-Slope Pocket size Handbooks

Warranty Inspections

Alternative Methods of Installation

Water Base Bonding AdhesiveSelf-Adhering Mod Bit

Modular Roofing

Residential Low-Slope

Solutions Center

1-800-786-1492

olutions Center

800-786-1492www.mulehide.com

.

All Mule-Hide products and systems are back by unparalleled

training and technical support. Ask for Mule-Hide at

ABC Supply Centers nationwide.

2006 Mule-Hide Products Co., Inc.


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COOL ROOFING

PLUS

As green building strategies evolve to keep

up with increasingly stringent building en-

ergy codes and standards, so do cool roofs.A roof, as any other building component,

can be selected to best serve a particular

purpose, such as weather resistance or

thermal regulation. Cool roofs are optimally

designed to minimize the transfer of heat

from the sun to the interior of a building.

A cool roof is defined by the radiative

properties of the roofs outer layer, or more

specifically, by its solar reflectance and ther-

mal emittance properties. Solar reflectance

is a measure of the portion of initial solar

radiation that is immediately reflected off

the roof surface back in the atmosphere

without heating the roof itself. Thermal

emittance is a measure of the solar energy

that the roof re-emits, or re-releases intothe atmosphere as infrared light, after being

initially absorbed. The remainder of the solar

energy, that which is neither reflected nor

re-emitted, is transferred to the building

as heat or is convected by ambie nt breezes

into the surrounding atmosphere, heating

the surrounding air. The amount of solar

energy transferred to a building can there-

fore be influenced by the roof design and

construction. (See Figure 1.)

Thanks to advances in materials technol-

ogy, white roofs are no longer the only type of

cool roof available. Cool color pigments havebeen developed to effi ciently reec t solar

energy (light) in the Near Infrared (NIR) spec-

trum, whereas standard colors tend to absorb

NIR energy. The NIR spectrum is invisible to

the human eye, so two seemingly identical

colors in the visible spectrum can perform dif-

ferently in the NIR spectrum. With vast color

and material choices, selecting an aestheti-

cally pleasing roof design while maintaining

cool roof performance is now possible.

Beyond Energy BillsIn addition to reduced building energy

consumption from diminished air condition-

ing requirements, cool roofs have numerous

indirect benefits, including cutting green-house gas emissions, alleviating the urban

heat island effect, reducing smog, as well as

various public health benefits.

Cool roofs reduce greenhouse gas emis-

sions by conserving electricity and reducing

power plant production demand incurred

from air conditioning use. Creating electricity

not only wastes a great deal of energy in the

conversion process, but also produces CO2,

particulate matter and other air pollutants.

Cities can be 2 degrees to 8 degrees

warmer than surrounding environments to the large areas of dark surfaces, consis

mainly of roads, parking lots and dark-co

ored roofs. The extra heat absorbed throu

dark surfaces during the day is convected

away by ambient breezes, raising air tem

ature averages; this phenomenon is refer

to as the urban heat island effect. Cool ro

help mitigate the intensity of the urban h

island effect by reducing heat absorption

and transfer to the surrounding air.

Cool Roofs

A PIECE OF THE GREEN PUZZLE.

By Julie Guyenet

FIGURE 1. RADIATIVE PROPERTIES OF ROOFS. IMAGE COU

OF THE COOL ROOF RATING COUNCIL.

ABOVE: THE TOP ROW OF COLORS DISPLAYS ADVANCES IN PIGMENT TECHNOLOGY SHOWN BY THE HIGHER RVALUES, A MEASURE OF THERMAL

RESISTANCE. PHOTO COURTESY OF AMERICAN ROOFTILE COATINGS. UPPER RIGHT: THIS THERMAL IMAGE ILLUSTRATES THE REFLECTED SOLAR RADIATION

OF VARYING ROOF SURFACES. THE BRIGHT ORANGE AREAS CORRESPOND TO HIGHLY REFLECTIVE SURFACES, THE YELLOW TO MODERATELY REFLECTIVE

SURFACES, AND THE DARK AREAS TO LOW OR NONREFLECTIVE SURFACES. IMAGE COURTESY OF A3C COLLABORATIVE ARCHITECTURE AND THE

UNIVERSITY OF MICHIGAN SUSTAINABLE RESEARCH LABORATORY.

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From concept to completion

American Hydrotech, Inc. | 303 East Ohio | Chicago, IL 60611 | 800.877.6125 | www.hydrotechusa.com 2009 Garden Roof is a registered trademark of American Hydrotech, Inc.

Experience matters

American Hydrotech

Garden Roof Assemblies

have been installed fo

the past 12 years on

over 1,200 structures

covering more than

5,500,000 SF worldwide

A green roof is about more than just being green; its success also dependson keeping the building dry. American Hydrotechs Garden RoofAssembly issetting the standard by which all other green roofs are measuredand our Monolithic Membrane 6125is the key. MM6125was developed specifically for wet environments andis a seamless membrane that is bonded directlyto the substrate. Its the perfect choice for agreen roof and the only one Hydrotechrecommends for a Garden Roof Assembly.

Additionally, our Total Assembly Warrantyprovides owners with single source responsibilityfrom the deck up. This is a warranty that only

American Hydrotech can offer, and peace of mind thatonly American Hydrotech can provide.

To learn more about the Garden Roof Assembly, please call 800.877.6125or visit us online at www.hydrotechusa.com.


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COOL ROOFING

PLUS

FIGURE 2. THIS CHART OUTLINES OF THE REQUIREMENTS OF CALIFORNIAS TITLE 24. SRI IS A

MEASURE OF A ROOFS ABILITY TO REJECT SOLAR HEAT, AS SHOWN BY TEMPERATURE RISE, AN

CALCULATED BASED ON THE ROOFS RADIATIVE PROPERTIES.

FIGURE 3. ENERGY STARS MINIMUM SPECIFICATIONS.

Minimum Three Minimum Minimum Sola

Slope Type Year Aged Solar Thermal Reflectance In

Reflectance Emittance (SRI)

Low Slope 0.55 0.75 64

Steep Slope< 5 pounds/ft 0.2 0.75 16

Steep Slope5 pounds/ft 0.15 0.75 10

Roof Initial Solar Three Year

Type Reflectance Solar Reflectance

Low slope roofs 0.65 0.50

Steep slope roofs 0.25 0.15

Lower ambient air temperatures resulting from cool roof appli-

cations also reduce the production of smog, a process accelerated

by warmer temperatures. Reduced greenhouse gas emissions and

smog production benefit public health by reducing the prevalence

of asthma and other respirator y health conditions aggravated by

air pollution.

Codes and ProgramsAs building technologies improve, building codes and programs have

evolved to enforce strategic green building design and construction

practices. The following section provides an overview of some cool

roofing codes, green building programs, rebate programs and tax

credits. For more information, please visit www.coolroofs.org.

Two primary organizations, the International Code Council (ICC)

and the American Society of Heating and Air-Conditioning Engineers

(ASHRAE), have developed National Model Energy Codes. These

codes are not mandatory or enforceable until a jurisdiction adopts

the documents as part of regulation or law.

In the United States, many states and jurisdictions have adopted

these codes, while others like California have developed their own.

Cool Roofs in Energy Codes: Californias Title 24, The California

Energy Commissions Building Energy Efficiency Standard, includes

a cool roof prescriptive requirement. A new version goes into effect

on Jan. 1, 2010. It includes prescriptive requirements for low-slope

and steep-slope roofs and for residential and non-residential building

applications. The table in Figure 2 provides a brief overview of Title

24 requirements, but please note th at there are many exceptions. For

more information, please visit www.coolroofs.org or the California

Energy Commissions Title 24 website, www.energy.ca.gov/title24/.

Green Building Programs: In 2009, the U.S. Green Building Council

updated its Leadership in Energy and Environmental Design (LEED)

program. LEED 2009 includes several structural changes to the rating

program as well as changes to individual credits. LEED 2009 includes

new point allocations for the various credits. There are now a total of

100 possible points for a given project (as opposed to the 69 points

possible in previous versions). The cool roofing credit is still worth a

single point and is available for every LEED program offered, includ-

ing LEED for Schools, LEED for Existing Buildings, LEED for Core andShell, and LEED for Homes.

Rebate Programs:As the green bui lding movement sweeps

the country, more utilities across the United States are providing

incentives for cool roofs. States with current utility rebate programs

include Arizona, California, North Carolina, South Carolina, Colorado,

Florida, Idaho, New Jersey, New York and Texas. Please ch eck with

your local utility company to find out if it has a cool roof rebate pro-

gram in your area.Rating Programs:The Cool Roof Rating Council (CRRC), an inde-

pendent nonprofit organization that has developed and administers

a third-party rating system for the radiative properties of roofing

materials, provides unbiased and credible ratings that are available

online in the Rated Products Directory (www.coolroofs.org/products/

search.php).

The CRRC does not set mini mum req uirements for solar reflec tance

and thermal emittance. It is up to the code bodies, green buildingprograms, and utilities to set and define cool roof minimum radia-

tive property requirements. The U.S. Environmental Protection

Agencys ENERGY STAR hosts a Reflective Roof Program that provides

an ENERGY STAR label recognized by consumers as an indication of

energy efficiency. Manufacturers can choose to rate their products

with ENERGY S TAR as long as they meet ENERG Y STARs minimum

specifications. (See Figure 3.)

Tax Credits:Through Dec. 31, 2010, the IRS will provide a tax

credit for ENERGY STAR metal and asphalt roofing products. The tax

credit is for 30 percent of the cost of the roof, up to $1,500. Please

visit the ENERGY STAR website (www.energystar.gov) for details o

how to receive a rebate.

CRRC as a ResourceCRRC ratings include both initial and three-year aged ratings for

solar reflectance and thermal emittance. For three years, the roofmaterial is exposed to natural weathering conditions on three tes

farms representing three key climate zones (hot/dry, hot/humid,

cold/temperate) to determine aged product performance. The CR

also has a mandatory random testing program for all rated produ

in the directory to ensure accurately reported ratings. Currently,

there are more than 1,390 rated products in the directory.

Nationally recognized, CRRC ratings are often either required

recommended to meet cool roofing standards for building codes

and programs.

Californias Title 24 requires CRRC ratin gs, while other j urisdictio

including Austin, Dallas, Houston, Chicago and the state of Florida

have cool roof building codes with minimum radiative properties

that reference the CRRC. Both draft ASHRAE Standard 189.1 and LE

2009 now reference the CRRC.

Advances in technology now allow cool roofs to come in a var

of colors and materials, no longer limiting aesthetic and architectural design preferences. Suppliers, manufacturers and architects

using the CRRC directory and educational resources now have ac

cess to a wealth of product information that can make cool roofs

viable option for achieving a green building vision. Therefore, wh

looking for an effective energy saving building strategy, consider

cool roof.

JULIE GUYENET IS WITH THE COOL ROOF RATING COUNCIL, AN INDEPENDENT, NONPROFIT ORGANIZA

TION THAT MAINTAINS A THIRDPARTY RATING SYSTEM FOR RADIATIVE PROPERTIES OF ROOF SURFAC

MATERIALS. FOR M ORE INFORMATION, VISIT WWW.COOLROOFS.ORG.

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NOW THERES A NATURAL CHOICE FOR YOUR NEXT ROOF.

www.firestonebpco.com

Introducing the system of choice for those who plan to move forward with green roofing

like vegetative or PV systems. Firestones comprehensive limited warranty keeps your new

or TPO roof enviro-ready for responsible upgrades for up to 7 years after initial installat

you can go green in a way that matches your needs and your budget. Find out more abo

Firestone can help you green light your next project with confidence by calling 1-800-428


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Momentum is continuing to drive

the green school building move-

ment further and further, and the

recent passage of some transfor-

mational and much-needed federal

legislation is continuing its accelera-

tion. The latest success of the 21st

Century Green High-Performing

Public Schools Facilities Act, funding

for green school construction and

renovation as part of the American

Recovery and Reinvestment Act

and the Making Green Schools

a Reality resolution, will trigger

a revolution of the school facility

landscape and bring the U.S. Green

Building Council (USGBC) closer

to its mission of green schools for

every child within a generation.

At the beginning of the year,

the U.S. House of Representatives

passed the American Recoveryand Reinvestment Act, allocating

$14 billion for energy-effi cient

modernization and renovation

of K-12 schools throughout the

country. This funding will go miles

toward improving the thousands

of unhealthy and unsafe school

buildings that are suffering from the

effects of age and lack of resources

for renovation.

The 21st Century Green High-

Performing Public Schools Faci

Documents

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