The Premier Source for Integrated High-Performance Building www.EDCmag.com March 2011
environmental design + construction
Revising Grading Scales: “Zero” is the score to aim for
landfills love plastic Failing roofs or crumbling façades, plastic-based systems with recycled content restore performance and reduce construction waste. BASF’s insulation materials also save enough energy each year to more than compensate for the carbon footprint of our global operations. At BASF, we create chemistry. www.basf.us/construction
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WE’VE LEARNED A LOT ABOUT EDUCATIONAL FLOORING SOLUTIONS.
From you. Designing for education is all about collaboration. Engaging you early in the design process has often inspired flooring solutions that bring a sense of purpose and energy to your project. These colorful, durable, sustainable solutions are ideal for classrooms, corridors, laboratories, cafeterias and more. Designed for the challenges of learning environments, nora® rubber flooring is long lasting, requires less maintenance, and contributes to better indoor air quality.
It all starts with you. You and your challenges. You and your world. You and nora. 800-332-NORA www.nora.com/us/education30 Follow us: @noraflooring
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education
Free your mind and free your designs from the worries of that special color selection sending your project over budget. Naturally resistant to mold and mildew, FLEXCO® spray-grip
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New FLEXCO® spray-gripTM adhesive – low VOC, low odor, sprayable adhesive – uses 80% less adhesive on jobs, and allows immediate foot traffic after rolling. Water-based with up to 170 s/f coverage per can. FloorScore® approved. For use with rubber tile and sheet only.
All products made in the U.S.A.
rubber floors are designed for durability, versatility and slip resistance, plus they’re very quiet and comfortable under foot. Choose from textured, smooth, and environmentally friendly tile, in colors and patterns to match any design or application, from retail showrooms and hospitality areas to educational and healthcare facilities.
1.800.633. 3151 | www.flexcofloors.com Reader Service No. 14 www.EDCmag.com/webcard
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CONTENTS
MARCH 2011 VOLUME 14 NUMBER 3
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In This Issue 14
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Integrating Sustainable Design to Reduce Costs
K-12 Goes High Tech
Customizing Spaces that Build Career Interest
Synthesizing for Net Zero
Integrating design decisions creates enhanced building performance in a cost-effective manner.
A modular high school earns high marks in sustainability while preventing costs from being equally high.
By Rob Winstead, AIA, LEED AP
By Joseph Lopardo
Green Academy introduces students to careers in green construction, auto mechanics and technology.
School additions get buy in from school board clients to use passive design and modeling as sustainable strategy.
By James Kisel, AIA, LEED AP
By Peter Larson, AIA, LEED AP
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36 In Every Issue
Engineering Net-Zero Buildings
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EDITOR’S NOTE
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NEW + NOTABLE
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CROSSWORD
The design of net-zero buildings needs to be accompanied by an engineer.
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ADVERTISER’S INDEX
By Rob Bolin, PE, LEED AP BD+C, ASHRAE HBDP
This month on www.EDCmag.com QWater Sustainability Preserves Wetlands By Tom Kuckhahn QDesigning Out Waste By Dru Meadows QTopping Off Green Schools By Andy Vander Woude
Newsline For breaking news, visit www.EDCmag.com or sign up online to receive the eNewsletter delivered right to your inbox. For current industry news from your phone, snap the mobile tag here.
S N A P I T
Get the free app for your phone at http://gettag.mobi
On the Cover: Central Michigan University’s College of Education and Human Services met its performance and budget goals with comprehensive planning and interaction. Photo by Justin Maconochie. See the full story on page 14.
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Higher Learning Lower Expenses
How would you like to improve thermal performance, decrease energy costs, minimize maintenance requirements and lower operational expenses for your school facilities? What about fixing leaky roofs and correcting problematic rainwater discharge? MBCI can help you achieve all of these goals through our many product offerings, including a metal roof that lasts 40 years or more. To learn how our NuRoof® retrofit roofing system, our Eco-ficient™ insulated metal panels or our many other metal construction solutions can help you save time and money in more ways than one, call or visit us online at www.mbci.com/schooldesign.
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www.mbci.com/schooldesign Reader Service No. 134 www.EDCmag.com/webcard
EDITOR’S
NOTE A Teaching Aid I can’t say that I envy anyone trying to get an educational facility built in today’s economic climate, especially K-12. It seems that all I ever hear about are aging schools in various states of disrepair. Leaky roofs, wildly inconsistent mechanical systems and crumbling walls are what I hear about the most, but I’ve also heard tales of massive, recurring wildlife infestations. Overshadowing all of these tales is a single, consistent theme: Communities refusing to enact a change. It makes you wonder why there isn’t always someone in a meeting about building a new school like Helen Lovejoy from The Simpsons standing up and frantically pleading, “Won’t someone please think of the children?” There are many reasons for communities refusing to update existing facilities or to create new ones; most — if not all — are valid reasons. To be sure, nearly all center on finances. Whether or not you agree with how districts spend their money (or how well they maintain their bookkeeping), many districts have been beset with funding disproportionate to their spending. Again, the reasons for this vary. I know that districts in Michigan have lost funding thanks to severe declines in property values on top of a loss in students due to Michigan’s unique, only-state-in-the-nation problem of losing population — both of which help determine how much funding schools get. While Michigan’s reasons are unique, the fact remains that other districts in other states have similar financial issues. But as you’ll see in this month’s issue of ED+C, schools are still being built.
reasons for developing such schools are higher test scores, increased attendance, increased teacher satisfaction and retention, reduced liability exposure and reduced environmental impacts. While those reasons resonate with cash-strapped communities, it doesn’t solve the most immediate problem: they’re broke. As you’ll see on the following pages, firms across the country have been using a variety of means to help communities overcome their financial hurdles. Both federal and state funding are among the methods being used for creating a high-performing school. Online tools, such as the EPA’s IAQ Design Tools for Schools: High Performance Schools, are a great resource for administrators and other district decision makers. The EPA’s site (http://www.epa.gov/iaq/schooldesign/ highperformance.html) provides an easy, one-stop shop breaking down what a high-performance school is while detailing various facts about what is needed to create such a facility and the benefits. The bottom line is, despite economic hardship, healthy, high-performing schools are still being built. People like you are finding ways to help school administrators convince communities of the benefits of an environmentally friendly design. Is it an easy task? Probably not. Most likely it’ll take lots of research, long hours of planning and lots of answering questions. But if someone does stand up in a meeting and ask, “Won’t someone please think of the children?” you’ll be prepared. Cheers,
A Reason for Optimism A lot of emphasis has been placed on developing schools that are better for the environment. Among the oft-cited
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Tree(s): 88 Solid waste: 7,695 lb Water: 60,831 gal Air emissions: 7,695 lb
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Schools are being designed to a new performance standard using...
Reward Insulating Concrete Forms Living Learning Residence Complex – The University of Memphis 496 total rooms – 75,000 sq. ft. of ICF walls Designed to LEED Silver Standards Photo courtesy of The University of Memphis
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Water-Conserving Gel
In recent studies, DriWater Inc.’s time-released water gel, DRiWATER Plus with enriched nutrients, enabled plants to establish 69 percent greater root volume while conserving water versus plantings that were hand-watered, the company states. DRiWATER Plus consists of 98 percent purified water and 2 percent food grade ingredients. It is bound in the form of a gel-like solid that is designed to provide consistent subsurface irrigation to plants up to three months. DRiWATER Plus is natural and non-toxic, according to the company. For every 1 quart of DRiWATER Plus used, 130 quarts of water are saved. www.driwater.com DriWater, Inc. | Reader Service No. 82
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ENERGY STAR Integrated Software
The FM:Interact integration is designed to help manage ENERGY STAR ratings and the carbon footprint by taking building energy usage information stored in the FM:Interact Sustainability Module and sending it to EPA’s Portfolio Manager. Portfolio Manager calculates the building’s ENERGY STAR rating and carbon footprint and returns that data to FM:Interact. Facility managers and real estate professionals can benchmark their buildings against similar buildings nationwide, identify which buildings in their portfolio rank well and which need improvement. www.fmsystems.com FM:Systems | Reader Service No. 71
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Fiber Glass Air-Handling Products
Johns Manville (JM) announced the launch of a new line of fiber glass air-handling products. JM EQ (Environmental Quality) products contain a formaldehyde-free resin for improved indoor air quality, deliver noise attenuation and thermal efficiency performance, and integrate EPA-registered anti-microbial agents that protect the line against mold development, according to the company. JM anticipates rolling out EQ products later this year. For commercial buildings, the entire line will be GREENGUARD Children and Schools certified, the company states. www.jm.com Johns Manville | Reader Service No. 72
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Commercial Anti-Scald System
Moen Inc.’s Commercial Division has created five new Eco-Performance shower systems that offer a 36 percent water savings from standard systems, the company states. The systems combine Eco-Performance showerheads with the Posi-Temp valve to reduce water consumption as well as eliminate shower shock and scalding due to fluctuations in water temperature and pressure. Besides reducing water consumption, it may also lower a building’s overall energy costs as less hot water is used, according to the company. www.moencommercial.com Moen | Reader Service No. 73
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HVAC Management System
Ground-Air Heat Exchange System
HD Digital Tiles
Designed for the commercial market, the ecobee Energy Management System (EMS) is intended for applications where a simple thermostat does
The REHAU ECOAIR ground-air heat exchange system is designed to deliver improved indoor air ventilation, enhanced energy efficiency and increased comfort in alignment with the fresh air requirements of today’s tighter, more energy-efficient commercial building envelopes. The system takes advantage of consistently moderate ground temperatures to pre-condition incoming fresh air, improving indoor air ventilation while also reducing heating and cooling costs. In addition to directly reducing
Mediterranea artisans have used digital inkjet technology to recreate a series of glazed porcelain tile that mirrors the look of heart pine timber.
not provide adequate controls and functionality, and a full-scale building automation system is too complex and cost prohibitive. The EMS comes with a dedicated Web portal that allows users to remotely control and monitor HVAC systems as well as to identify, analyze and troubleshoot performance issues. Using the EMS, standard operating procedures can be created across multiple properties, and energy consumption levels can be audited for each property. Users can also configure the ecobee EMS to send alerts and service reminders. www.ecobee.com ecobee | Reader Service No. 74
the energy required to heat or cool incoming fresh air, the system provides a number of benefits to overall ventilation system optimization. www.na.rehau.com/ecoair REHAU | Reader Service No. 75
The Heart Pine collection of fully-rectified glazed porcelain tile has been made possible with Mediterranea’s Dynamic HD Imaging program. Heart Pine is designed to show the details of hardwood now in limited supply. Produced in the U.S. with recycled content for potential contributions to LEED credits, Heart Pine is offered in one standard, 6” x 24” format, according to the company. www.mediterranea-usa.com Mediterranea | Reader Service No. 76
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NEW + NOTABLE Sugar-Palm Flooring Smith & Fong has launched new sugar-palm flooring products. Joining the line of Durapalm coconut palm plywood, flooring, veneers and panels, Smith & Fong’s new Deco palm products feature an almost three-dimensional appearance. Deco palm fits well in a modern commercial, retail or residential environment. Deco palm plywood and flooring products are formaldehyde-free, the company states. Deco palm flooring is available prefinished in random lengths with a width of 3” and thickness of 5/8”. www.plyboo.com Smith & Fong Co. | Reader Service No. 77
Modular Rubber Flooring Regupol America has released AKTIVPRO, a modular tile featuring an interlocking dowel tile system prefabricated to ensure factory precision. The tile consists of 100 percent recycled SBR rubber backing and is topped with a recycled SBR or EPDM wearlayer, the company states. A waffle bottom design is intended to provide shock absorption, drainage and cable routing. An extra-thick composite structure and inner layer are designed to provide durability and wear resistance. AKTIVPRO offers a safe and attractive solution for tough environments, according to the company. The line is available in 19 colors with options in custom colors and logos. www.regupol.com Regupol America | Reader Service No. 78
SCS Certified Tile Crossville’s Color Blox EC series is now available in all 20 Color Blox colors from color-infused neutrals and darks to out-and-out fun. A Porcelain Stone tile with 20 percent SCS (Scientific Certification Systems) certified recycled content, Color Blox EC is a green design solution, has rectified edges for minimalist appeal and is available in large format sizes and plank shapes, the company states. Color Blox EC’s Cross-Sheen finish is designed for easy cleaning and maintenance, and never needs sealing or waxing. www.crossvilleinc.com Crossville Inc. | Reader Service No. 79
Energy Saving Chiller Johnson Controls has introduced the YK-EP “Energy Plus” chiller. The chiller delivers energy savings at off-design conditions, where 99 percent of chiller operating hours are spent, by utilizing entering condenser water temperatures as low as 55 degrees Fahrenheit. The chiller is intended to improve plant sustainability by using refrigerant HFC-134a, which has zero ozone-depletion potential, low global-warming potential and no phase-out date. www.johnsoncontrols.com Johnson Controls | Reader Service No. 80
Ceramic Flooring Tile Developed by artist Jason Coleman, Clayhaus Ceramics is a sustainable and domestically produced ceramic tile line. The designs are handcrafted individually and incorporate 20 percent post-consumer recycled bottle glass waste in both the glaze and clay body. All custom glazes are made in house. Colors are offered in a crackle, glossy and matte finish and are formatted in both loose field tile and sheeted mosaic options. All Clayhaus products are made with lead-free materials, according to the company. www.clayhausceramics.com Clayhaus Ceramics | Reader Service No. 81 Reader Service No. 41 www.EDCmag.com/webcard
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WHILE HIGH-PERFORMANCE TECHNOLOGY OR PREMIUM GREEN ELEMENTS CAN INCREASE ANY PROJECT’S COST, INTEGRATING DESIGN DECISIONS CREATES ENHANCED BUILDING PERFORMANCE IN A COST-EFFECTIVE MANNER. By Rob Winstead, AIA, LEED AP
hile sustainability is on the forefront of clients’ minds, it is often perceived as the more expensive option. In fact, a McGraw-Hill Construction study showed the largest obstacle to green construction is the perception of an increased cost. Educational institutions in particular are concerned with achieving sustainable design at a value, as they are often dealing with limited budgets and public money. While high-performance technology or premium green elements can increase any project’s cost, this does not have to be the case. Enhancing performance in a cost-effective manner is achieved by integrating design decisions to create a unified strategy specific to the client, culture and climate. “Integrating and testing strategies early in the design phase will yield far more substantial results than looking at strategies individually,” explains Jim Luckey, SHW Group’s director of design. “For example, integrating energy-efficient insulated exterior walls, high-performance glazing and sunshades with daylight controls, and advanced lighting systems will realize substantial savings. Clients can save in the capital construction cost by reducing the size of mechanical and electrical systems and also lower the costs to operate the building over its entire life.”
Uncompromising Higher Education SHW Group, one of the nation’s largest educational architecture and engineering firms, took this integrated approach in the design of Central Michigan University’s College of Education and Human Services (EHS). A project budget of $50 million was based on an established program, but the owner also expressed a desire to pursue LEED Silver certification without compromising the program or budget. SHW
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formed an integrated, multidisciplinary team and a large campus stakeholder group to ensure that the final design fit both the program’s needs and the goal of LEED Silver. The team looked at system integration, evaluating the building envelope, building orientation and equipment efficiencies to minimize MEP system sizing. The resulting design reduced MEP costs by $700,000 and the annual operating cost by at least 28 percent. This initial cost saving was used to maintain building program goals and achieve LEED Silver certification through features such as a terracotta rain
screen, vegetated roof and well-placed solar shading. The key to the success was bringing in a multidisciplinary team early in the process to design truly integrated, not isolated, systems. “Being involved early on in the process gave us the opportunity to help design an environmentally advanced building and incorporate the latest innovative technologies throughout,” says Stephen Lawrence, Central Michigan University’s associate vice president for facilities management. “The EHS building is not only efficient to operate and maintain, but it provides a worldclass learning environment for our students.” Prior to starting a project, an architect must understand a client’s sustainability goals to incorporate effective strategies for the building’s entire lifetime. Within educational environments, that strategy can require a variety of perspectives, including educators, facility directors, parents, students, professional consultants and building operators.
CMU’S COLLEGE OF EDUCATION AND HUMAN SERVICES (SHOWN AT LEFT AND ABOVE) HAD HIGH ASPIRATIONS THAT WERE MET WITHOUT COMPROMISING ON THE PROGRAM OR BUDGET THANKS TO INCORPORATING A VARIETY OF FACTORS FROM THE OUTSET. PHOTOS BY JUSTIN MACONOCHIE. www.EDCmag.com
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Integrating Sustainable Design to Reduce Costs CMU COLLEGE OF EDUCATION AND HUMAN SERVICES Size: 146,600 total gross square feet (building area); 97,000 net assignable area Location: Mount Pleasant, Mich. Owner: Central Michigan University Architect of Record: SHW Group Contractor: Walsh Construction Cost: $34,600,00 Certification: LEED Silver
ADDING SUSTAINABLE ELEMENTS LATER IN THE DESIGN CAN INCREASE COSTS DUE TO THE EFFECT THE CHANGE CAN HAVE ON OTHER SYSTEMS. PHOTO BY JUSTIN MACONOCHIE.
Incorporating stakeholders through visioning sessions early on allows an architect to integrate the specific sustainability needs as a project parameter, not as an added cost, creating an end product that can accommodate the same number of students, work within the same budget, etc. Conversely, adding sustainability elements as a new parameter partway through will cost more as it triggers changes in other systems.
Adding Curricula Without Adding Cost
SPRING ISD IS INCORPORATING THE SUSTAINABLE ELEMENTS OF GLORIA MARSHALL ELEMENTARY INTO THE SCHOOL’S ENVIRONMENTALLY FOCUSED CURRICULUM. PHOTO BY LUIS AYALA.
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During visioning sessions held by SHW Group for Gloria Marshall Elementary School in Spring, Texas, Spring ISD expressed a desire to teach students about sustainability. In response, SHW brought in Cambridge Strategic, a strategic planning firm for school districts, to help the district develop an environmentally focused, project-based
curriculum. SHW then designed the building to integrate the curriculum and achieve LEED Gold without adding any additional costs to the district’s capital budget. The resulting facility is one of the greenest elementary schools in Texas and functions as a teaching tool to educate students about resource conservation. When the school opens in August 2011, it will serve the same number of students and offer the same basic programs as other elementary schools, but with the added value of sustainability features that impact learning. For example, a computer in the school lobby allows students to view the amount of energy the roof’s solar panels are harnessing as a part of their alternative energy education. An outdoor learning space allows students to study an aquatic ecosystem in an ecopond. An above-ground cistern, which drains into the eco-pond,
A STRATEGIC PLANNING FIRM WAS BROUGHT IN EARLY ON DURING THE DESIGN PHASE OF GLORIA MARSHALL ELEMENTARY, WHICH HELPED TO PREVENT AN INCREASE IN THE COST. PHOTO BY LUIS AYALA.
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Integrating Sustainable Design to Reduce Costs GLORIA MARSHALL ELEMENTARY SCHOOL Size: 105,391 gross square feet gross Location: Spring, Texas Owner: Spring Independent School District Architect of Record: SHW Group Contractor: Purcell Construction Cost: $15,602,000 (est.) Certification: Anticipating LEED Gold
allows students to manipulate the rainwater’s sediment-filtering process to better understand natural rainwater treatments and the effect on aquatic life. Additionally, students can monitor the school’s geothermal well field via a Webbased learning tool. “Spring ISD has long had the philosophy that instruction drives construction,” says Dr. Ralph H. Draper, Spring ISD superintendent. “As soon as the district began collaborating with SHW Group to design Gloria Marshall Elementary School, the possibilities for using green features
PHOTO BY LUIS AYALA.
to engage students in learning quickly developed. Students will experience energy conservation firsthand and have opportunities to use their actual learning environment to apply math and science concepts. The opportunities for engaged learning support our vision of becoming a leader among learning organizations.” With reduced financial resources and a growing focus on sustainable design, architects must
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plan strategically to develop an integrated approach that takes into account all systems and opportunities. This provides a safe, healthy, efficient and inspiring learning environment that maximizes the community investment. ROB WINSTEAD, AIA, LEEP AP, DIRECTOR OF SUSTAINABILITY FOR SHW GROUP, IS A LEADER IN THE NATIONAL CONVERSATION PERTAINING TO SUSTAINABLE DESIGN, IN GENERAL, AND HIGH-PERFORMANCE SCHOOLS, IN PARTICULAR.
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Gateway Community & Technical College, Boone Campus for KCTCS, Mt. Zion, KY photo: Frank Doring www.doeringphoto.com
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K-12 GOES
High Tech HTH CHULA VISTA INTEGRATES 59 MODULES WITH CONVENTIONAL BUILDING CONSTRUCTION. IMAGES COURTESY OF WILLIAMS SCOTSMAN.
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MODULAR HIGH SCHOOL EARNS HIGH MARKS IN SUSTAINABILITY. By Joseph Lopardo
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ith across-theboard education budget cuts, school decision makers have to get creative when planning for the construction of a new building. Despite squeezed wallets, when districts decide to build, they often want to build green. In fact, LEED-certified schools are becoming ever-more desirable for districts across the country and a requirement for building permits in certain areas, such as Washington, D.C. Innovative new concepts, such as those leveraged for HTH Chula Vista, in Chula Vista, Calif., demonstrate that modular construction is a great way to achieve a sophisticated LEED-certified school building that meets budget and design requirements as well as time constraints.
Building Project The leaders of High Tech High, a state-licensed charter school development organization that creates customized learning environments for K-12 students throughout California, decided they wanted to develop a sus-
tainable learning campus for students, staff and community members in Chula Vista. The design and construction of the charter school had to address a variety of LEED, Collaborative for High Performance Schools (CHPS) and ENERGY STAR requirements including site design, indoor environmental quality, energy efficiencies and renewable building materials. Onsite and offsite construction had to be limited to certain areas to minimize air and noise pollution. The project also had a strict budget and completion schedule. A conventional construction approach was modified in order to complete the project on time and within budget. BYCOR, a San Diego-based general contractor, was awarded the building project and led the team that sought a modular solution,
Five Reasons to Choose Wood for Your Next School Wood provides more value—in terms of its beauty, design flexibility and environmental attributes—for less cost than other major building materials, all while meeting fire, safety and other code requirements.
1. Wood framing is cost effective – When compared with other structural systems, wood-frame schools routinely save between 5 and 20 percent on overall project costs. 2. Wood performs well in earthquakes and high winds – Because wood-frame schools are lighter and have more repetition and ductility than structures built with other materials, they are very effective at resisting lateral and uplift forces. 3. Wood schools are allowed in the International Building Code – Whether they’re 30,000 square feet or 300,000 square feet, single or multi-story, the code offers a wide range of options for designing wood schools. 4. Wood buildings are adaptable – In North America, buildings are often demolished long before the end of their useful service lives because of changing needs and increasing land values as opposed to performance issues. The adaptability of wood structures and building systems, either through renovation or deconstruction and reuse, is a significant advantage. 5. Wood is an inherently green building material – It grows naturally, using energy from the sun, and is the only major building material that’s renewable and sustainable. Using wood also reduces greenhouse gases in the atmosphere—because wood products continue to store carbon absorbed during the tree’s growing cycle, and because substituting wood for fossil fuel-intensive materials results in ‘avoided’ greenhouse gas emissions.
For information, resources and one-on-one technical support, visit woodworks.org. Reader Service No. 51 www.EDCmag.com/webcard
Photos: (top) El Dorado High School, CADM Architects, photo W.I. Bell; (middle) Gilroy High School, Kasavan Architects; (bottom) Albert Lea High School, DLR Group, photo APA – The Engineered Wood Association
HTH CHULA VISTA Location: Chula Vista, Calif. Size: 32,807 square feet Architect: Studio E Architects General Contractor: BYCOR Certification: LEED Gold
identified by High Tech High as having the potential to accelerate the project by carefully coordinating the integration of modular building construction with conventional methods. Construction efficiencies were defined and sustainability was enhanced by the careful controls of modular construction. Due to its overall leadership in the modular category and knowledge of sustainable building techniques, Williams Scotsman was hired to implement a modular sustainable space solution.
The Modular Solution By adding modular construction to the building process, the project team was able to expedite the overall construction timeline. Because site preparation and module fabrication processes occur simultaneously, the school was finished in about half the time as compared to a more conventional construction method. In addition, the modular concurrent building process enhanced quality and simplified logistics on the job site. Scheduling, trade coordination and construction sequences were all streamlined. Williams Scotsman served as the subcontractor and provided 59 modules totaling 32,807 square feet. In order to comply with the LEED design requirements, the company coordinated with a local manufacturer and the project team to ensure the modular units incorporated a variety of unique materials that enhanced classroom acoustics, daylighting, energy and environmental efficiencies. The modular units feature various high-performance products including dual-pane windows with low-E coatings, acrylic skylights, light fixtures
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with motion controlled sensors and low volatile organic compound (VOC) paint. The project also incorporated renewable and recycled materials such as sealed lightweight concrete floors, Homasote 440 Sound Barriers, highdensity fiberboards made from recycled newsprint that help to control acoustics in walls, and a sprayed polyurethane roof. All
The Result “The Williams Scotsman team exceeded the project’s stated goals,” said Christopher Gerber, director of facilities for High Tech High. “The project not only opened on time and on budget, but has set a new standard as a sustainablydesigned learning environment with an incredibly small energy footprint. The team was excellent at seeking an understanding of
BECAUSE SITE PREPARATION AND MODULE FABRICATION PROCESSES OCCUR SIMULTANEOUSLY, THE SCHOOL WAS FINISHED IN ABOUT HALF THE TIME AS COMPARED TO A MORE CONVENTIONAL CONSTRUCTION METHOD. the materials, with the exception of the interior casework, were available locally, further reducing the carbon footprint of the project. All of these enhancements aided in reducing overall life-cycle costs affiliated with the building.
our needs, and implementing solutions which kept the project moving in the right direction.” The HTH high school was completed in only five months and is LEED Gold certified with the U.S. Green Building Council (USGBC). It serves approxi-
mately 550 students in San Diego’s South Bay and acts as a learning tool for both students and visitors. High Tech High has a permanent educational display located in the school lobby to showcase the sustainable project attributes, student work and project-specific sustainable design elements. In addition, each year the school offers tours so visitors can see and experience the sustainable features. JOSEPH LOPARDO IS VICE PRESIDENT OF WILLIAMS SCOTSMAN’S MODULAR BUILDINGS DIVISION. HE OVERSEES SALES AND OPERATIONS OF MORE THAN 90 EMPLOYEES WITH FULL PROFIT AND LOSS RESPONSIBILITY IN EXCESS OF $150 MILLION. THE MODULAR BUILDING TEAM SELLS, PLANS AND EXECUTES LARGE, COMPLEX PERMANENT AND TEMPORARY MODULAR CONSTRUCTION PROJECTS FROM CONCEPT TO COMPLETION, INCLUDING THE MANY TECHNICAL ASPECTS INVOLVED IN THE DELIVERY OF SUCH PROJECTS.
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Customizing that Build Career Interest GREEN ACADEMY INTRODUCES STUDENTS TO CAREERS IN GREEN CONSTRUCTION, AUTO MECHANICS AND TECHNOLOGY.
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By James Kisel, AIA, LEED AP
AMPLE WINDOWS ALLOW FOR NATURAL DAYLIGHT IN 90 PERCENT OF THE SPACE. ALL PHOTOS COURTESY OF LPA INC./COSTEA PHOTOGRAPHY.
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n these financially strapped times, people are getting creative with their finances. Lake Tahoe Unified School District has been doing the same, with incredible results for its students and community. After putting together a District Facilities Master Plan in December 2007, the district prepared for a bond which passed in September of 2008. With no new construction eligibility dollars, what did the district get with just gumption and creativity? Plenty.
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The district received almost $30 million in funds from Career Technical Education (CTE), Overcrowding Relief (ORG), and Joint-Use and High Performance Energy building grants. Between these monies, and the bond passed by the community, the district was able to create five extraordinary learning facilities for its students. First to be completed was the $12.5 million CTE “Green” Construction and Transportation Academy. Second was a $12 million ORG-funded classroom building. To be finished in September is the $13 million Tahoe Arts and
LEFT: IN THIS LIGHT-FILLED CLASSROOM, STUDENTS HONE THEIR SKILLS IN CAD DRAFTING AND GRAPHIC DESIGN. ABOVE: THE CTE “GREEN” CONSTRUCTION AND TRANSPORTATION ACADEMY IS A TWO-STORY, 27,183-SQUARE-FOOT BUILDING.
Design Academy. And lastly, a new Campus Commons Student Union and Sports Medicine Academy are to be up and running in 2012 and 2013, respectively. Each project is CHPS* designed and qualified for a high-performance energy grant, beating California’s Title 24 energy standards by 30 percent (when space cooling is removed from energy calculations, as no mechanical cooling systems are provided).
Architecture: Derived from Safe Snow Melt “Designing in the Sierras meant working with a severe climate that had strict restrictions on when we could and could not build,” says Wendy Rogers, a design principal at LPA Inc. “When the high school was originally established, someone took floor plans of architecture developed for the valley and reused them, thousands of feet up, in the mountains of Lake Tahoe.” Many of the existing buildings had flat roofs, which do not do well with snowfall, and in general, are not part of the overall aesthetic of South Lake Tahoe. After years of maintaining these ill-advised roofs, the district had a strong desire to rectify this
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LEFT: NATURAL DAYLIGHT AND EXPOSED WOOD CEILINGS GIVE A LIGHT AND AIRY FEEL TO THE CONSTRUCTION CLASSROOM.
dilemma; the safety of the students had to come first. “When snow melts, it has a tendency to go very slowly and then, in a moment’s notice, come sheeting down. As you can imagine, managing where the snow lands is a really big deal,” says Rogers. “We did a lot of research and worked closely with the district and the people who live in Tahoe full-time, who know the subtleties of their microclimate.” The solution? Two roof pitches on each facility that deal with winter snow loads. Steep southern pitches guide the snow melt to fall in dedicated areas, often into various rock and bioswales so the water can percolate into the ground and be taken to a retention basin or cistern. Shallow northern pitches, used minimally, collect snow for longer durations. Although managing snow melt correctly was crucial for this project and for the safety of the students, this kind of design feature is not awarded with CHPS points.
Q Q SUSTAINABLE FEATURES ABOUND AT SOUTH TAHOE Q HIGH SCHOOL’S NEW PROJECTS.
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Less Standardization and More Flexibility Of the five facilities, the CTE Green Construction and Transportation Academy has been of particular interest. The academy exposes students to careers in green construction, auto mechanics and technology. The space offers labs for construction technologies, CAD drafting and graphic design, along with a 10-bay auto shop modeled after a commercial auto dealership. Here, students learn green automotive and transportation technologies including how to work on and repair hybrid vehicles. “Career Technical Education supports a different learning style,” says Dr. Jim Tarwater, superintendent of Lake Tahoe Unified School
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Operable windows allow the buildings to breathe and take advantage of the South Tahoe climate — no mechanical cooling systems were used. Natural light illuminates spaces with daylighting and occupancy controls. Exposed wood structures and building systems create living laboratories and educational tools for students to experience smart green design. Learning courtyards incorporate fire-resistant plants native to (or adapted to) the Tahoe region. Vegetation is irrigated with water-efficient systems during warmer, dryer months. Buildings touch the site lightly to minimize impact on existing, mature pine trees. Stormwater runoff is collected and infiltrated in cobble trenches that penetrate the soil with excess water conveyed either to an onsite detention basin or subsurface “storm chamber” located under vehicular areas. This allows onsite stormwater to recharge the groundwater. Exterior lighting incorporates full, cutoff light fixtures which prevents light from projecting above the fixture, helping to preserve Tahoe’s dark skies and prevent glare into unwanted areas. Signage and graphics highlight attributes which make the project environmentally responsible. Sustainable signage is incorporated into the curriculum for “teachable moments” throughout the space. Material selection was guided by a “do more with less” approach. Wherever possible, the structure of the buildings is exposed (i.e., glu-lam beams, concrete block and concrete slabs) and becomes part of the finish palette. Finish material selections have high recycled content. All classrooms meet the stringent CHPS requirements for Sound Transmission Class (STC) standards.
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Q ORDER Q CUSTOM Q CTE Schools and a change in education.
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By Kate Mraw, LEED AP
THIS WET LAB FEATURES NATURAL DAYLIGHT, AN EXPOSED WOOD CEILING AND A FISH TANK FOR STUDENTS TO OBSERVE AND ENJOY.
Is education an industrial method best solved by a repetitive assemblyline approach about producing students? Historically, education has been delivered with an instructor at the front of a classroom and students lined up in rows of desks following along. When it comes to education and how students interact with their environment, it’s important to understand how learning styles vary between individual students. Educational planning and the school environment have to change to stay ahead of the demands of a technologically advanced generation. Customizing education toward a student’s needs and customizing spaces that will support this refinement are quickly emerging. Aside from the occasional increased use of technology in the classroom, with teachers using social media tools like Twitter and Edmodo to communicate with students, there are other influences beginning to change the shape of education, literally. Career Technical Education (CTE) supports a different learning style. Students are faced with real-world challenges, projects and issues that encourage an interactive level of attention. CTE is evolving from industrial-oriented classes to computer-basedlearning and internships that enable students to form initial relationships and key knowledge with the outside community. Like at South Tahoe High School, these curriculums affect how school facilities are designed. The same way students expect instant access to answers on the Internet, they in turn deserve instant access to teachers, each other and to flexible spaces they can manipulate to their own needs. CTE schools are seen as successful because students are now learning in collaborative and interactive environments. This generation is pushing a change in how LPA designs schools. Now, how can our schools push for a change in educational planning? Back to the assembly line, in order to create successful students? The one-size-fits-all mentality with educational delivery doesn’t fly. Is it time for a custom order?
KATE MRAW, LEED AP, IS AN INTERIOR DESIGNER AT CALIFORNIA-BASED LPA INC. HER K-12 EDUCATIONAL SPACES ENCOURAGE COLLABORATION, EXPERIMENTATION AND INSTRUCTION.
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District. “It’s about giving students pathways for careers ranging from arts, media, entertainment and theater to construction, architectural design and automotives. These programs and their facilities work together at South Tahoe High School. We hope our students enjoy them and learn a lot.” What does this mean for the design of Tahoe’s CTE Green Academy? Less standardization and more flexibility. Students excel with areas for groups to collaborate, areas for individual learning, and areas that allow project-based activities rather than strictly lecture-based instruction. Learning Labs are clustered around a shared space, staff work areas are easily accessible and visible to students, and outdoor learning is valued equally to indoor. “All of these things change the shape of education and the architecture that supports it,” Rogers adds. “It’s about sustainability, not just for the environment, but in terms of giving students the skills they need to be able to stay in their community and thrive.” JAMES KISEL IS A PRINCIPAL AT CALIFORNIA-BASED LPA INC. HIS WORK IN K-12 SCHOOLS HAS PLAYED A MAJOR ROLE IN HELPING THE FIRM BECOME ONE OF THE TOP FIVE GREEN EDUCATIONAL DESIGN FIRMS IN THE NATION. HE IS A LEED ACCREDITED PROFESSIONAL AND AN ACTIVE MEMBER OF THE AMERICAN INSTITUTE OF ARCHITECTS AND THE COALITION FOR ADEQUATE SCHOOL HOUSING. *CHPS is the Collaborative for High Performance Schools. Its mission is to promote a national movement that facilitates the design, construction and operation of high-performance schools.
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STUDIO By Peter Larson, AIA, LEED AP
Synthesizing for Net Zero SCHOOL ADDITIONS USE PASSIVE DESIGN AND MODELING AS SUSTAINABLE STRATEGY.
IMAGES COURTESY OF ASHLEY MCGRAW ARCHITECTS.
My architectural firm has long seen the importance of developing a sustainable design ethic to practice in concert with the USGBC’s LEED measurement systems. We have unique skills as architects to display both the technology of more sustainable buildings and an aesthetic that can help point the way to an as yet unrealized bright, sustainable future. Our development of this ethic can be characterized by one word: synthesis. Sustainable strategies should be part of a unified ethic: a melting pot of
beauty, energy and other natural resource performance, and optimism for what the future can hold. This means challenging some of our most deeply practiced beliefs regarding the sanctity of design values in relationship to sustainability. We saw passive design as an apt vehicle to start our synthesis journey. Passive design focuses on optimizing the building’s form and envelope to its climate, with particular emphasis on relationship to the sun. Deeply practiced passive
LIBERTY RENDERING
design has the ability to speak of the synthesis of building form and energy performance. Integral to the pursuit of informed passive design was our development of an in-house specialty in energy and daylight modeling with the goal of quantifying the energy impact of our design decisions quickly enough to inform clients.
Test Subjects We first applied our newly developed passive design and modeling skills to two upstate New York K-12 public school projects located in Liberty and Liverpool. Both are media center additions to large existing school buildings. Their manageable size made them easier for us to test modeling tools. Both projects were designed in roughly the same timeframe and strive for net-zero fossil fuel energy use, but their differing contexts and passive strategies resulted in two very different buildings. The Liberty Central School District project has a compact building plan and high-performance building skin. Its shape is a figural response to the courtyard it rests in and aligns with a north-south axis to improve interior daylighting. This building reduces solar heat gain by minimizing east and west glazing and by bringing diffuse north light through rooftop monitors. Roofs are insulated to R-50 and walls to R-28. We emphasize the design of low air infiltration building skins both for energy reduction and as a vital component in creating healthy, mold-free interior environments. www.EDCmag.com
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STUDIO LIBERTY CENTRAL SCHOOL DISTRICT, N.Y. MEDIA CENTER STATISTICS
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Size: 4,428 square feet EPA Target Finder average: 85.6 As Designed: 39.5 (kBTU) PV System Size: 44.16 kW Air Infiltration (LPS/SM @ 75 Pa): .02 LEED Certification: Gold (pending) Completion Date: February, 2011
(Many of our new buildings, including Liberty, undergo blower door testing to check air tightness both during and at the conclusion of the project.) We incorporated automatic daylighting controls, and the addition is served by a variable air volume heating and cooling system with heat recovery. Utilizing the above strategies, Liberty is designed to consume approximately half the energy of an average school building, with the remainder offset by grid-tied photovoltaics. The Liverpool Central School District’s design is driven by a powerful but seldomused passive solar strategy: trombe walls. These are concrete walls separated from the
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outdoors by glazing and an air space. The concrete absorbs solar energy and releases it selectively toward the interior. For this project, we used energy- and daylight-modeling software to optimize the south wall of the addition, tailoring its characteristics to meet the thermal and lighting needs of the space. This resulted in a system we call the “split trombe” wall, made up of sections of trombe mass separated by glazing without trombe mass for daylighting. Exterior shading devices eliminate most of the summer solar heat gain while allowing the winter sun to penetrate the glazing to both warm the concrete trombe mass and provide direct
Project Teams: Ashley McGraw Architects P.C.; Appel Osborne Landscape Architecture; Robson Woese Inc.; Klepper, Hahn & Hyatt; Camroden Associates Materials: Solon 230 Blue PV Panel, Satcon Powergate Plus PV Inverter, DPW PowerFab PV Racking System, Lucid Building Dashboard, Blueskin air barrier, soy-based spray foam insulation, low-VOC paints, sealants, and interior finishes, rain garden stormwater system, daylighting controls and dimmable lighting fixtures, precast concrete thermal masses Construction Cost: $260/sf (Excluding PV)
LIVERPOOL PLAN
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STUDIO solar heat gain. Stacked horizontal baffles inside the glazing act as mini light shelves, minimizing glare from direct sunlight and bouncing it deeper into the space. Like Liberty, Liverpool is oriented on a north-south axis, with the trombe wall facing due south. In addition to the split trombe wall, we used many of the same strategies as at Liberty:
similar insulation and air tightness values, similar lighting controls and HVAC system. But the split trombe walls at Liverpool increases the school’s energy performance, and it uses just one-third the energy of an average school building. A photovoltaic system was designed to offset the remaining energy use and create a net-zero building.
LIVERPOOL CENTRAL SCHOOL DISTRICT, N.Y. MEDIA CENTER STATISTICS Size: 3,553 square feet EPA Target Finder average: 91.3 As Designed: 31 (kBTU) PV System Size: 25.3 kW (future) Air Infiltration (LPS/SM @ 75 Pa): .02 LEED Certification: Certified Completion Date: May, 2011
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Project Team: Ashley McGraw Architects P.C., Appel Osborne Landscape Architecture, Sack & Associates Consulting Engineers, PLLC, Novelli Engineering Materials: Solon 230 Blue PV Panel, Satcon Powergate Plus PV Inverter, DPW PowerFab PV Racking System, Lucid Building Dashboard, Blueskin air barrier, soybased spray foam insulation, low-VOC paints, sealants, and interior finishes, rain garden stormwater system, daylighting controls and dimmable lighting fixtures, precast concrete thermal masses Construction Cost: $190/sf (Excluding PV)
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Both projects are now under construction, and we are eagerly awaiting their first operational data. Both will be equipped with energy dashboard systems to track their consumption, and we will use that data to fine-tune the buildings’ systems and to improve the accuracy of our energy models for future projects.
Surprising Results Unexpectedly, the logical side of passive design gave us the footing we needed for buyin from typically conservative school boards and push these projects much further than we had thought possible — all the way to net-zero fossil fuel. Because of the strong link between building form and energy performance inherent in passive design, design decisions could be explained in commonsense terms traced back to improving the energy performance of the building. This logic was bolstered by the data provided by energy and daylight modeling. We invested considerable energy discussing with our clients the viability of photovoltaics in our predominantly cloudy region and northern latitude. Given New York’s photovoltaic incentive program and State Education Department funding, we routinely find that payback on school photovoltaic installation is less than 10 years. This was the case for both of these projects, although Liverpool decided for bud-
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getary reasons not to include the array in its project. The building is designed for easy addition of the system at a later date. Our modeling work has proven to us that passive design strategies can make a large impact on fossil fuel energy consumption in commercial and institutional buildings. We also learned through these projects that we cannot assume our client’s comfort level or aspirations based on convention or our past experience. If we can learn to express our design decisions in their terms, we may be surprised at how far they wish to push the envelope. Finally and most importantly, each project is but a step on a journey toward the synthesis of sustainability, the client’s needs and character, and the continuing evolution of a philosophy that is much larger than can be manifested in any single project. PETER LARSON, AIA, LEED AP, IS A PRINCIPAL AT ASHLEY MCGRAW ARCHITECTS, LOCATED IN SYRACUSE, N.Y. HE IS THE CREATOR AND LEADER OF ITS ADVANCED BUILDING STUDIO, WHICH IS FOCUSED ON THE QUANTITATIVE ASSESSMENT OF THE ENVIRONMENTAL IMPACT OF BUILDINGS VIA ENERGY AND OTHER RESOURCE MODELING. THE STUDIO ALSO SPECIALIZES IN THE RESEARCH AND DESIGN OF SOPHISTICATED PASSIVE SOLAR AND OTHER ENERGY CAPTURE TECHNIQUES. www.EDCmag.com
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STUDIO By Rob Bolin, PE, LEED AP BD+C, ASHRAE HBDP
Engineering Net-Zero Buildings THE DESIGN OF NET-ZERO BUILDINGS NEEDS TO BE ACCOMPANIED BY AN ENGINEER.
THIS INTEGRATED LIGHT WELL ON THE SECOND FLOOR OF THE NRDC SANTA MONICA’S OFFICE BUILDING PROVIDES NATURAL LIGHT AND A PATH FOR RELIEF AIR TO EXIT THE BUILDING. PHOTO COURTESY OF MOULE & POLYZOIDES ARCHITECTS. PHOTO © TOM BONNER PHOTOGRAPHY.
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The elusive net-zero energy building — how can this be achieved, and who needs to lead the effort? The owner, occupant, architect, builder, commissioning agent and facility manager all play very valuable roles and need to work closely together. However, in setting the stage for a building to be operationally net zero or carbon neutral in performance, engineers are responsible for conceiving and designing the energy- and water-consuming systems for the building — crucial components from day one. Subsequently, it’s very important to consult with engineers in the initial design phases. Here are more reasons why. Skilled engineers are experts at understanding energy flows in and out of a building and the systems that serve it. Understanding the energy-use characteristics of the building type is critical to developing design and operating strategies that minimize energy consumption. In general, energy flows in most commercial buildings are one-third lighting, one-third HVAC, and one-third miscellaneous loads. Very technical buildings like hospitals, research labs and data centers skew this characterization somewhat, but otherwise this is a reasonable general presumption. Together, the engineer and architect analyze a site’s climate and geological capital in an effort to manage external solar and thermal loads and whittle away the energy required to keep a building operational.
Energy use can be reduced by: Q Including shades for summer solar protection that allow winter solar gain; Q Optimizing glazing performance to balance thermal, solar and visible transmittance characteristics that enhance the occupied space; Q Optimizing window-to-wall ratio and opaque envelope insulation performance; Q Driving controlled daylight into the occupied space while limiting glare; Q Incorporating operable windows, louvers and air paths for natural ventilation when possible, and;
Q Tapping into the embedded energy of the earth as a source of heating and cooling. These are only a few of the many integrated strategies that require input and feedback from the engineer. The vast majority of buildings will still require electric lighting (moonlight as a nighttime source of internal illumination remains an ineffective strategy!), heating, cooling and ventilation when passive means are insufficient. Lighting and small power circuits should be designed by the engineers to facilitate electrical load management. Lighting
A 7.5 KW ROOFTOP PHOTOVOLTAIC ARRAY PROVIDES 10 PERCENT OF THE NRDC SANTA MONICA FACILITY’S ELECTRIC USE WHILE THE REST IS DRAWN FROM ONSITE, RENEWABLE POWER RESOURCES SUCH AS SOLAR PHOTOVOLTAICS. PHOTO COURTESY OF MOULE & POLYZOIDES ARCHITECTS. PHOTO © GARY LEONARD.
controls and systems have been doing this for years, and electrical engineers are now paying more attention to managing plug loads (those little vampire loads turn out to be not so little!). Remember, miscellaneous equipment loads are one-third of the energy-use pie. Reduced electric loads at light fixtures and equipment results in an opportunity to lower the air conditioning loads and minimize energy recovery on outdoor ventilation systems. Additionally, as the efficiency of other components and systems improve, the impact of miscellaneous plug loads in buildings rises from one-third to one-half of the energy consumption pie. Decoupling ventilation systems from sensible heating and cooling systems in occupied space is becoming a more favorable HVAC solution because it provides thermal comfort and indoor air quality in a more
energy-efficient way than conventional all-air systems. Displacement ventilation and underfloor air distribution, radiant heating and cooling, chilled beams and energy recovery DOAS (dedicated outdoor air system) are no longer new and untried technologies, but rather “state of the shelf.” They are in our toolbox and should be utilized wherever appropriate. Despite the use of integrated design with passive and active systems designed for a building, energy will still be used. Net zero can be defined in many ways (and perhaps is the topic for another discussion), but in essence, energy use in a building needs to be offset by renewable energy supply (onsite or elsewhere) to perform in a truly net-zero fashion. These well-known strategies and technologies include photovoltaics, solar thermal and solar domestic hot water, wind
power, geothermal, biogas and biomass among others. So what is the common thread in meeting all of these challenges? Engineers! They have the knowledge, skills, technology, and hopefully the desire to be integral to the net-zero solution. Although engineers cannot do it by themselves, these efforts certainly cannot be done without them. In short: involve engineers early and often! ROB BOLIN, PE, AP BD+C, ASHRAE HBDP, IS SENIOR VICE PRESIDENT AND NATIONAL DIRECTOR OF HIGH PERFORMANCE BUILDING SOLUTIONS FOR SYSKA HENNESSY GROUP. HE HAS 22 YEARS OF SUSTAINABLE CONSULTING ENGINEERING EXPERIENCE WITH EXPERTISE IN SUSTAINABLE ARCHITECTURE AND GREEN BUILDINGS, INCLUDING BUILDING DESIGNS FOR PASSIVE, LOW-ENERGY SYSTEMS. HE IS WORKING ON SEVERAL PROJECTS THAT ARE SEEKING TO BE ENERGY NEUTRAL OR REGENERATIVE. HE ALSO LEADS SYSKA’S FIRMWIDE ENGINEERING LEADERSHIP COMMITTEE.
L a c I n H c Te let ’s get
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Guide to Green Building Rating Systems // $ 81.95 Today, sustainability is a growing concern for the architects, designers, builders, and owners of commercial and residential buildings. Meeting the requirements of a rating system provides a metric to evaluate and set priorities. But the variety and complexity of methods available to assess the eco-friendliness of a building can seem overwhelming. Guide to Green Building Rating Systems informs readers about the rating system selection process. Comparing essential issues such as cost, ease of use, and building performance, this book offers solid guidance that will help readers find the rating system that best fits their needs. This easy-to-follow reference includes: • An overview of the major national rating systems, including LEED®, Green Globes®, the National Green Building Standard, and ENERGY STAR® • An in-depth look at each rating system, including its evolution, objectives, point structure, levels of certification, benefits, and shortcomings • How the ratings systems work for different types of buildings—commercial, multi-family residential, and single-family residential construction • Illustrated case studies from different climate regions with project descriptions, cost data, and lessons learned by design teams, constructors, and owners • An overview of local, regional, and international rating systems Guide to Green Building Rating Systems demystifies complex material, making this book an essential reference for building professionals engaged in, or wishing to pursue, sustainable building practices.
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CONTINUING EDUCATION SHOWCASE
ED+C, an AIA and GBCI approved education provider, offers a variety of free online
Johnsonite®’s Ecolibrium™, made of a unique combination of raw materials, contributes to several LEED point categories like rapidly renewable and recycled content. FloorScorecertified Ecolibrium helps create a safe environment for people by contributing to healthy indoor air quality. And weighing 25% less than traditional resilient wall base, it requires less fuel used for its transportation, providing both environmental and cost benefits. Lastly, Ecolibrium can be completely reprocessed so no manufacturing scrap ends up in landfills.
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learning opportunities. Visit http://webinar.EDCmag.com for a list of archived events.
March 15, 2011
ED+C presents “Advanced Building Envelope Solutions” with Jack Armstrong of BASF. This free webinar is approved for 1 GBCI CE Hour for LEED Credential Maintenance and 1 AIA/CES hour, as part of USGBC’s 2011 Member Webcast. Register via www.usgbc.org.
May 10, 2011
“Sustainable Schools Design, Construction and Operations” by Warren County Public Schools, featuring Richardsville Elementary, the nation’s first net-zero energy school. Register at http://webinar.EDCmag.com.
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Sponsored by:
CROSS WORD
ACROSS 1
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An ecological community, with its environment, functioning as a unit Important conservation issue in all buildings The management of the resources of a community Item that is being recycled in higher levels due to the Call2Recycle program Managed Mid afternoon time Environmentally friendly system installed on top of schools Letter addition Kind of analysis College e-mail address ending Repairs Land of the brave and free It is used in demolitions
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34 36 39 40 41 42 43 45 46 47 49 50 53 54 55
Pine tree Surplus water Scope Copy Used before a vowel Sodium symbol Energy saving bulbs, for short They started the Center for Green Schools initiative Time period, for short Beginner instruction in a subject Drink with ice and lemon Sustainable commercial carpet providers Tech department Suggestion Study of living organisms (2 words)
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Net-zero ___ is a goal for architects and builders
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Endangered layer of the atmosphere Chinese basketball giant Play (with) Unruly crowd Plus Oxygen emitter Beam of radiant energy Hybrid, for one Spoil Word showing location Sample Salesperson Firm, for short Without additives or chemicals Vast area of water Studies have shown that in green schools, fewer students are affected by this illness Benefiting the environment as a whole
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Crossword puzzle solution can be found at www.EDCmag.com/crossword.
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ADINDEX
To request free information from ED+C advertisers, simply go to www.EDCmag.com/webcard and enter the corresponding circle numbers listed below or fill out the card located after page 26.
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QView company information and product spec sheets in our GREEN Book at www.EDCmag.com/greenbook. Q First-time advertiser. Q Regional advertiser.
ENVIRONMENTAL DESIGN & CONSTRUCTION Volume 14, Issue 3 (ISSN 1095-8932) is published 12 times annually, monthly, by BNP Media II, L.L.C., 2401 W. Big Beaver Rd., Suite 700, Troy, MI 48084-3333. Telephone: (248) 362-3700, Fax: (248) 362-0317. No charge for subscriptions to qualified individuals. Annual rate for subscriptions to nonqualified individuals in the U.S.A.: $115.00 USD. Annual rate for subscriptions to nonqualified individuals in Canada: $149.00 USD (includes GST & postage); all other countries: $165.00 (int’l mail) payable in U.S. funds. Printed in the U.S.A. Copyright 2011, by BNP Media II, L.L.C. All rights reserved. The contents of this publication may not be reproduced in whole or in part without the consent of the publisher. The publisher is not responsible for product claims and representations. Periodicals Postage Paid at Troy, MI and at additional mailing offices. POSTMASTER: Send address changes to: ENVIRONMENTAL DESIGN + CONSTRUCTION, P.O. Box 2148, Skokie, IL 60076. Change of address: Send old address label along with new address to ENVIRONMENTAL DESIGN + CONSTRUCTION, P.O. Box 2148, Skokie, IL 60076. Canada Post: Publications Mail Agreement #40612608. GST account: 131263923. Send returns (Canada) to Pitney Bowes, P.O. Box 25542, London, ON, N6C 6B2. For single copies or back issues: contact Ann Kalb at (248) 244-6499 or
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{ B A L A N C I N G A C T N O . 1. }
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CEILING&WALL
SY S T E M S Between us, ideas become reality™
One school district recycled 100,000 lbs of old ceilings and made a big difference
Eliminated 32,000 kg of greenhouse gas, like driving around the world twice
Eliminated 70,000 lbs of landfill waste, as much as 3,500 old tires
Saved 134,500 kw hours, enough to power 140 homes for a month
Saved 35,000 gallons of potable water, enough to fill 1,000 bath tubs
Saved 700,000 lbs of virgin materials, as much as 54,000 bowling balls
The Armstrong Ceiling Recycling Program enabled the Greenville County School District in Greenville, SC to have a significant effect on the environment simply by recycling 100,000 lbs of old ceilings. To date, we’ve recycled over 100 million lbs of old ceilings. To learn more about the Ceiling Recycling Program – the first, biggest and best in the nation – give us a call or visit our website. Now, you can specify products made from recycled ceilings – look for the Ceiling-2-Ceiling icon!
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