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Commercial
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Schools For Today’s Learners Making Post-9/11 High Rises Safer Backup Power That Fits
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contents INSIDE
Keep up with rapid changes in education design. see page 8
F E AT U R E S 8 Build Schools For Today’s Learners Learning-area designs must keep up with the fast pace of electronics-based education.
11 Making Post-9/11 High Rises Safer From Fire
D E PA R T M E N T S 6 56 59 60
The Green Angle Showcases Index Portfolio
Fire-protection practices and technologies for tall buildings influence design and construction.
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PRODUCTS
14 Begin With The End In Mind Indoor-climate engineering and human-factor design must combine to produce sustainable building principles.
20 Building Power: Backup Power That Fits A variety of factors determine whether a backup-power system will meet current and future needs.
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PROJECTS 22 Alhambra Day Care Center, Sacramento, CA 24 Treasure Island Hotel And Casino, Las Vegas 28 Marcus Nanotechnology Center, Atlanta
march 2012 vol. 10
no. 2
30 Univ. Of North Carolina At Wilmington
37 41 45 47 48 52 53
HVAC & Plumbing Exteriors Windows & Doors Building Technology Interiors FF&E Lighting & Electrical
About the Cover The Sept. 11 terrorist attack in New York City triggered a major initiative to develop high-rise-building designs/specifications that make the buildings safer and easier to evacuate. These developments will play a major role in saving lives in the event of a fire or other disaster in cities such as Chicago (shown). See p. 11. Photo: Gary L. Parr
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MARCH 2012
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contents ONLINE EDITORIAL PRODUCTS
CBPdigital E X T R A S
To learn more about the products mentioned in the features in this issue, visit our digital magazine at http://www.cbpmagazine.com/digital/mar2012. Turn to the article that interests you and click on the icon to download a spec sheet or watch a video. Below is a summary of this issue’s Digital Extras.
As part of our variety of online editorial products, Commercial Building Products presents Commercial Conversation at http://www.commercialconversation.com. Commercial Conversation is a series of bi-monthly podcasts in which the editors speak with commercial-construction industry experts about issues that affect specifier decisions. Podcasts are supported by a resource page and are available for download from the website.
Make Business Noise When the Economy is Quiet, with Chris Sullivan In our fourth podcast, we talk with Chris Sullivan, principal at C.C. Sullivan Strategic Communications, Montclair, NJ. Chris tells you why it’s important to be an aggressive marketer when the economy is slow so you’ll have the best chance of earning new business and will be at the forefront when business improves.
Fenestration Codes and Trends, with Mike Turner Build Schools For Today’s Learners, p. 8: When you go to the digital magazine and click on the Digital Extra icon for this article, you will be taken to an online tool that will help you design flexible classrooms. Making Post-9/11 High Rises Safer From Fire, p. 11: This Digital Extra download is a press release describing results of a survey about high-rise fire safety, conducted by the Society of Fire Protection Engineers, Bethesda, MD.
Our third Commercial Conversation is with Mike Turner, vice president of marketing at YKK AP America Inc., Austell, GA. Mike is also a board member of the American Architectural Manufacturers Association (AAMA), Schaumburg, IL, the TaskGroup Chairman for BIM Initiatives at AAMA, a member of the Codes and Regulatory Affairs Committee at AAMA, and a member of the International Code Council. Mike discusses new fenestration codes, fenestration technology, and what it means for commercial-construction specifiers.
Hospitality and Restaurants, with Joshua Zinder Our second Commercial Conversation podcast focuses on trends in the hospitality/restaurant arena. Our guest for the podcast is Joshua B. Zinder, AIA, NCARB, LEED-AP, and principal at JZA&D, Princeton, NJ. His 20-year professional experience encompasses education, institutional, commercial, municipal/government, and residential design.
Begin With The End In Mind, p. 14: This Digital Extra download will provide you with a brochure from Uponor Inc., Apple Valley, MN, describing the features and benefi ts of its commercial PEX plumbing systems. Building Power: Specify Backup Power That Fits, p. 20: Click on this icon in the digital magazine to download a case-history article that tells the story of the backup system installed in data centers that are owned and managed by Peak 10 Inc., Charlottesville, NC.
www.cbpmagazine.com offers many online products meriting investigation. Just click on the icons on the website.
Panels Perform In And Out For Daycare Center, p. 22: Go to the digital version of this issue, click on the icon at the end of this article, and download a detailed brochure describing Abet Laminati’s MEG panel system. Glass Sparkles On The Vegas Strip, p. 24: The video icon at the end of this article will take you to a page on the Guardian website that contains several videos designed to help you better understand the company’s products and how to use them in your designs. An Old Material Makes The Grade At A Very Modern School, p. 28: Click on this icon in the digital magazine to a page on the Copper Development Association website that provides several resources for architectural use of copper. Partnership Greens Energy And Operational Savings, p. 30: This download will provide you with a document that addresses common myths about performance contracting.
Recent blog topics: • • • •
Charlottesville experts see economic gains, stability Third public comment period for LEED Green Building Program Commercial building automation revenue to hit $146 billion by 2021 Polyera solar cell technology hits 9.1% efficiency
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MARCH 2012
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M A R C H 2012
VOLUME 10, NO. 2
Commercial
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editor’s NOTEBOOK
Learning is changing As a former teacher (a long time ago) our lead article, “Build Schools For Today’s Learners,” p. 8, spoke to me on several fronts because it discusses a learning environment in which it would be great fun to teach. Now, as editor of a commercial-construction magazine, the article makes a clear and unavoidable statement about what is happening with classroom design. It wasn’t too many years ago that we realized students didn’t do well if you forced them to spend entire days sitting in windowless caves with bad indoor air. Turns out that the fear that students would be distracted if they could look out windows was dead wrong, mainly because, much to our surprise, humans are not very closely related to bats. But cutting holes in walls and filling them with glass is minor compared with what lies ahead. Technology is upsetting the school apple cart. This passage from the article really smacked me on the back of the head, “Why are we still specifying combo-desks lined up in rows facing a single wall of boards and a clock? Besides giving students a clear view of how much longer they have to sit and listen, this conventional design does not support 21st-century learning standards. Flexible, mobile furniture that students can configure into learning groups with easy access to multiple resource tools should be the norm in today’s learning spaces.” Tablets, smart phones, computers, e-books, and other electronicsbased learning tools are rapidly making a dinosaur out of conventional classrooms and libraries. As funding becomes available, and it will because the demand will be intense, changes in school designs will quickly ramp up. The real challenge will be meeting today’s learning-environment needs by re-designing existing classrooms. The assumption is that this change is only happening in big cities with large school districts. Not so. One example is West Elementary School in the small farmtown of Sycamore, IL. Teachers Katie Algrim and Jennifer McCormick (as reported by Jeff Engelhardt in The Daily Chronicle, DeKalb, IL, Jan. 31, 2012) have gone paperless and reconfigured their teaching tools and classrooms in favor of a collaborative, electronics-based approach and it’s working beyond their expectations. According to Algrim, “I’m meeting so many more of my students on an indvidual-need basis. They’re surpassing what we thought they could do.” If schools are part of what you do and your mind is still thinking rows of desks and chairs facing a chalkboard, you need to toss your T square and pencil because your designs are no longer of interest.
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Gary L. Parr Editorial Director
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COMMERCIAL BUILDING PRODUCTS (USPS 23077) is published nine times/year in January, March, April, May, June, July, September, October, and November, by ConSource LLC, 1300 S. Grove Ave., Suite 105, Barrington, IL 60010 (Phone: 847-382-8100). Periodicals postage paid at Barrington, IL, and additional offices. Entire contents copyright 2012 by ConSource LLC. All rights reserved. SUBSCRIPTION: COMMERCIAL BUILDING PRODUCTS is mailed free to major users of commercial building products across several industries. Non-qualified subscriptions in the United States are $24 for one year. POSTMASTER: Please send address changes to: COMMERCIAL BUILDING PRODUCTS, Creative Data, 440 Quadrangle Dr., Suite E, Bolingbrook, IL 60440-9719. For other circulation information, call 630-739-0900.
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MARCH 2012
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the green angle THE SOURCE FOR SUSTAINABLE BUILDING NEWS
Complete Wall Systems For Commercial Construction Herbert Slone, Owens Corning
C
enturies ago, building walls served a simple purpose. Constructed from heavy, load-bearing stone, walls served to repel the elements and protect occupants from the threat of fire, simply through their mass and thickness. The comfort they provided, in terms of temperature and moisture control, was limited, to say the least, and energy efficiency wasn’t even part of the discussion. Today’s walls, with multiple materials that lack the permanence of stone, require thoughtful detailing to be durable and perform well. They have come a long way in construction techniques, materials, performance, efficiency, and in providing occupant comfort. However, with so many elements to consider, selecting the materials and components to be contained within these walls is not always an easy task. To help simplify the process and meet the increasing performance and efficiency demands of this ever-competitive building market, some major manufacturers have introduced complete wall systems, which are designed to suit the unique needs of a wide variety of buildings while also providing outstanding energy efficiency and complete air- and water-barrier performance. They also offer fire, structural, and acoustical qualities. Can you imagine working with one contact to source all of the materials that contribute to these qualities? Whether discussing the development of a new structure or retrofitting an existing building, complete wall systems resonate with architects and contractors for the efficiencies they provide, in energy and ease of specification. Enhanced performance with systemization One of the biggest benefits of working with complete wall systems is the ability to provide a one-stop solution to minimize energy use and maximize resistance to water and air penetration. Besides structural demands addressed by steel, masonry, concrete, or wood, there are several other key elements to consider when selecting a complete wall system that best fits a project. Energy and thermal efficiency Energy efficiency (relating to national energy policy and the cost of energy associated with operating a building) and thermal efficiency (the level of efficiency relating to the building construction itself) are addressed with the use of complete wall systems. In fact, one of the most important components in a complete wall system is insulation. Beyond the immediate economic return of reduced energy costs, a well-insulated building envelope ensures a building meets na6
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MARCH 2012
tional energy codes and policies and promotes its overall operating efficiency. Whether in wood- or steel-stud framing, masonry cavity walls, interior furring, or as the core of concrete sandwich panels, a layer of continuous insulation, included in any complete wall system, thermally seals the exterior wall and minimizes thermal bridging through structural elements. In addition to continuous insulation, additional insulation inside stud-framing cavities, including fiberglass batt or spray foam, provides a higher R-value, using that valuable space to better insulate the building envelope. Insulation as investment The use of energy-saving insulation is not only a sustainable-design practice, it is also an economic investment. Putting aside the sustainable considerations for a moment, if energy was free and limitless in supply, then the motivation to invest in insulation would be very low. Of course, energy is neither free nor limitless in supply. So insulation is an investment. One buys insulation with the expectation of a return on that investment. But how much money should be invested in insulation? What is the optimal amount? Optimum insulation is the amount of insulation that has the lowest life-cycle cost. Lifecycle cost for insulation and energy is, in its most basic definition, the first cost of the insulation plus the cost of energy use associated with that amount of insulation. Managing air, water, and vapor intrusion Managing air and water intrusion is important to any commercial or residential building product. Water can enter through the walls in a number of ways, such as through open-joint designs in the rain-screen cladding, through surface absorption by brick or CMU veneer, through controlled flexural cracking, or even by construction defects. Concerning rain-screen systems, the first defense against intruding water is a pressureequalized air space behind the cladding to allow water drainage. In systems such as these, where it is by design that water penetrates the rain screen, it is important to choose a highly water-resistant, continuous-insulation solution. Therefore, the second line of defense must be highly waterresistive extruded-polystyrene (XPS) sheathing with high-quality joint tape over the joints or other types of sheet or spray membranes, or XPS used as panel-core insulation in panelized construction. Vapor protection, achieved by the use of a variety of fiberglass-batt insulation facer materials
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available to suit all types of construction, is another added benefit of complete wall systems, protecting against disastrous vapor intrusion and potential condensation. With these elements, buildings are protected by a continuous water- and air-resistive barrier layer, minimizing air infiltration/exfiltration and water intrusion. Improved air and water barriers also enhance the thermal performance and longevity of steel-stud wall assemblies. Fire safety Along with energy efficiency and the reduced operating costs that complete wall systems provide, the materials used in these systems also aid in meeting building-code requirements. Fire tests such as ASTM E119, used to determine timed structural-fire resistance, and NFPA 285, which is used to limit potential fire spread by combustible insulation used on buildings that are otherwise a non-combustible construction type, can all be met through appropriate use of materials throughout the building process. Complete wall systems are designed with these requirements in mind and have been tested for complete assembly compliance while also guaranteeing that the combination of materials used within the wall offer long-term performance within the structure. In the commercial-roofing industry, system suppliers that provide all of the components to construct roofs and then provide a single-source performance warranty upon completion have long been the norm. On the other hand, pieces and parts coming from multiple suppliers are typical in the commercial wall market. There is a clear demand to create a single-source, systemized approach to wall construction, similar to that already practiced in commercial roofing. As the construction industry continues to move toward the systemization of walls and complete performance, it’s important that sustainability, durability, air and moisture management, fire test compliance, and optimum insulation are top of mind for every architect, contractor, and building owner. Complete wall systems provide solutions, addressing the needs of buildings for tomorrow, not just for today. Not only does a single-source approach streamline the process of choosing wall materials, but it also provides users with the comfort of knowing that these systemized materials have been proven to work with each other for optimum results. Herbert Slone is technical manager of commercial buildings for Owens Corning, Toledo, OH.
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feature EDUCATION Conventional school learning-area designs are losing functionality as electronic learning tools, such as laptops, tablets, and independent-learning techniques play an increasing role in education. Taking the place of conventional arrangements are open-space designs with good indoor air quality, flexible/movable furnishings, and easy access to power. Flooring, such as the Stonshield SLT system from Stonhard, Maple Grove, NJ, helps reduce maintenance and improve indoor air quality. Photo courtesy of Stonhard.
Build Schools For Today’s Learners Learning-area designs must keep up with the fast pace of electronicsbased education. Margaret Sullivan, Library Resource Group LLC
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he early 21st century is an exhilarating, yet demanding, time in education. Student learning is evolving from memorization and the passive transfer of information from teacher to students to collaboration, active learning, and mentoring, with a focus on problem solving, critical-thinking skills, and personalized instruction. Technology tools; social media; and the recognition that the dated, industriallearning model is leaving American students at an international disadvantage are changing our approach to learning. A simple review of common core standards, or the American Association of School Librarians’ (Chicago) Learning 4 Life objectives, should quickly alert architects, facility planners, and school administrators that it is time to think out-of-the-box when planning or remodeling school buildings. Planning a school must progress beyond the
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“build it and they will come” mentality. The effects of open enrollment, failing schools, home schooling, and academy or charter schools demand that districts seriously evaluate their learning cultures, resources, and physical environments. Parents and students have choices now that were not available a few years ago. The funding from states and the federal government is tied to the number of students in a district and their quantitative progress. As a result, school districts have to ask if they are planning buildings that will support contemporary learning, attract families to their districts, and are environmentally responsible.
Leading with LEED Another important consideration is whether a school’s learning culture and environment attract the best teachers. Research clearly indi-
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cates that quality teachers are the main ingredients of quality learning. If districts must increase class sizes, limit support staff, and ask teachers to contribute more to their benefit packages, what can they offer good teachers to secure their loyalty? For most districts, the answer is to shoot for the same elements that attract parents and students: focus on planning and creating a unique environment; espouse a collaborative, dynamic learning culture; and provide the technology tools teachers need to facilitate their work. Because unhealthy buildings have a dramatically negative impact on the performance of students and teachers, creating an effective learning environment starts with a commitment to LEED certification: • Plan a healthy, energy-efficient building with a lot of natural sunlight.
Support for collaborative learning
•
Wherever possible, foster a connection to nature. • Conserve water. • Make sure children and adults are breathing clean air. • Bring in only the products and furnishings that complement those objectives. • Understand the educational models and determine what room shapes and sizes best support those models. For example, building 800-sq.-ft. classrooms off long corridors with rows of desks facing the front of the room is extremely shortsighted today. Building a structure without WiFi throughout the campus and ubiquitous access to power is inexcusable. Don’t assume students will check out laptops from a cart and recharge them in that cart in a specified location. Build an infrastructure that allows students to work in a flexible environment using
When learning can occur anywhere and collaboration happens spontaneously, the demands on space and furnishings to support that activity also must change. How they change and what options can be incorporated into an environment should be thought through and discussed in the planning stages. Establish clear learning goals and objectives, and then build a school to nurture those goals. Learning commons are currently getting a lot of attention. They were first introduced on college campuses as a 24/7 environment that supports a broad array of technology and multimedia production, personal and group spaces, academic support, and flexible open space. The learning-commons concept is being emulated and integrated into K-12 buildings as open spaces adjacent to clusters of classrooms and as an alternative to a traditional library. Though an interesting, experimental space in K-12 buildings, they are not funded, equipped, staffed, or available to students in the same manner as on college campuses, so the model frequently falls short in the K-12 environment where the above-mentioned issues and the lack of teacher training compromise the concept. As a shared open space o outside classroom clusters, tthe areas compensate for classrooms with limited c flexibility. These commons ggive students a convenient llocation to collaborate, work on projects, or break w iinto smaller self-directed ggroups. Before we decide this approach is the best answer, a p perhaps we should ask why are we still building inflexible a classrooms with stationary c o or difficult-to-move furniture? As electronics and independent/collaborative-learning techniques become Why are we still specifying W the dominant approach to education, flexible furnishings with easy access combo-desks lined up in c to power, and the network in some cases, become essential tools. rrows facing a single wall of Photo courtesy of Smith System, Plano, TX. boards and a clock? Besides b ggiving students a clear view of how much longer they have to sit and listen, digital tools they carry with them all day. this conventional design does not support 21stCloud-based technology is moving rapidly century learning standards. Flexible, mobile through university campuses and will arrive furniture that students can configure into learning on K-12 campuses soon, providing students groups with easy access to multiple resource tools with access to their work anywhere, anytime. should be the norm in today’s learning spaces. SmartPhones are a communication device A learning commons replacing a traditional and a mobile computer and are becoming library is another interesting concept that is universal with students. These personal mobile struggling in K-12 buildings. The problem with computers enable students to work virtually, the concept again is staffing, training, and the without having to go to a specific room. The curriculum. By definition, offering a wealth of tools are already available to enable students to resources, flexible space, vast multi-media tools, work independently or collaboratively, in any and academic support for students to access location, as long as the building and campus anytime during the school day does not lend infrastructure do not inhibit their learning. Get free product information at www.cbpmagazine.com
MARCH 2012
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feature EDUCATION itself to a single librarian managing the space. Collaboration between all teachers in a building, including the librarian, is mandatory. Curriculum has to be developed to leverage resources and the space must be large enough to allow multiple classes and individuals to use it simultaneously.
Not a book warehouse Too many new or renovated libraries are simply the old model but smaller, a shrinking warehouse for books, a mausoleum to the beauty of wood, the culture of paper with enough lounge seating to channel a Borders bookstore. There are some variations being explored that usually start with a traditional library, some rows of shelving, a large circulation desk, tables and chairs, and token soft seating. Next to this wooden, inflexible space, always separated by a glass wall and doors, is a technology lab with multi-media production capability. “The library and the lab” are close enough to see each other but live separately. Why? These two spaces must be blended to allow fluid access to all resources by students. Another library model spreads resources throughout a building or around a campus based on areas of focus. Frequently, these satellite libraries evolve around a home base where content is managed. This model demands a
mobile librarian who does not get distracted by the management of content rather than student learning at the satellites. Even so, access to a librarian at the satellites is limited so students have to be self reliant and fairly skilled as independent learners or the concept is counterproductive. The original concept of a school library housing a vast array of resources shared by all students is still a logical and sustainable solution for most schools. It is a prudent use of funding and staffing but it needs to mature and re-invigorate itself. How the space operates, what the resources will be, who the mentors must be, how the space will incorporate personal tools, and how students will learn and leverage the space is still on the drawing board. Additional concepts for moving resources closer to the students should be explored. And how students will create new knowledge and share it should also be examined. New models need to emerge with a focus on user-based designs. YouMedia, the teen space at the Chicago Public Library, is an interesting early model that schools should investigate. Funded by the MacArthur Foundation, Chicago, it mixes print and media, allows ample space for creativity, is flexible for either group or individual work, contains instructional space along with gallery
space to share work, and has a strong philosophy of mentoring students. Unfortunately, the answer to keeping the furniture flexible or mobile literally entails “tails,” or long power cords, on most of the tables. But from a positive point of view, the library does give physical form to the extensive research documented in the book “Hanging Out, Messing Around, and Geeking Out: Kids Living and Learning with New Media,” The MIT Press, 2009. Today there is an exciting opportunity to invent healthy, fresh learning spaces based on 21st-century learning models. Planning and talking through learning objectives and desired outcomes should lead to unique, new learning environments for students. Margaret (Peg) Sullivan is the principal at Library Resource Group LLC, Bethesda, MD, where she consults with schools on space planning for libraries. She is an active member of the American Library Association and the American Association of School Librarians .
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feature LIFE SAFETY
Making Post-9/11 High Rises Safer From Fire
A NIST investigation generated 30 recommendations for improving fire safety in tall buildings. Photo: Gary L. Parr
Fire-protection practices and technologies for tall buildings influence design and construction. Chris Jelenewicz, P.E., Society of Fire Protection Engineers
S
eptember 2011 marked the tenth anniversary of the terrorist attacks that led to the collapse of New York City’s World Trade Center towers. The disaster changed how the construction industry builds tall buildings. Immediately after 9/11, the fire-protection community turned its attention to finding ways to build safer tall buildings and reduce vulnerability from such incidents. Although better buildingdesign methods and codes cannot stop determined terrorists, they can dramatically reduce the number of fatalities in the event of an attack. In response to the World Trade Center tragedy, the U.S. Department of Commerce’s National Institute of Standards and Technology (NIST), Gaithersburg, MD, investigated the factors that contributed to the collapse of the structures. According to NIST, the goals of the investigation were to consider the buildings’ construction, materials used, and technical conditions that contributed to the outcome and to serve as the basis for future planning: • improvements in the way buildings are designed, constructed, maintained, and used • better evaluation tools and guidance for industry and safety officials • recommended revisions to current codes, standards, and practices • increased public safety. The NIST investigation resulted in 30 Get free product information at www.cbpmagazine.com
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feature LIFE SAFETY recommendations divided into eight groups listed below, all designed to improve the safety of tall buildings. Increased structural integrity. NIST recommended that the standards for estimating load effects of potential hazards such as progressive collapse and wind loads be improved to enhance structural integrity. One of these recommendations suggested that primary structural systems provide alternate paths for carrying loads so that important structural components remain intact, significantly Additional architect and engineer training was recommended in the areas of structural fire protection and fireprotection engineering. Photo: Gary L. Parr
reducing the risk of a progressive collapse in tall buildings. Additionally, the report suggested that the wind loads identified in the prescriptive codes might not be appropriate in tall buildings. Consequently, it recommended development of performance-based standards to estimate wind loads and their effect on tall buildings. Enhance fire resistance of structures. NIST recommended procedures and practices to improve fire endurance. Specifically, building codes should provide a means to better distinguish the impacts of building height, building fuel loads, and fire-protection systems on the fire resistance of a structure. The report also recommended improved testing methods for materials used for structural fireproofing. New methods for fire resistance of structures. Before 9/11, building codes did not mandate performance-based standards that addressed how uncontrollable fires that lead to 12
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MARCH 2012
burnout could cause a structure to collapse, so the report recommended that the building codes provide performance-based standards to address this issue. It also recommended that these same performance-based standards examine how failure of a fire-protection system would affect the building structure. Other recommendations related to the installation of structural fireproofing are now provided in the building codes. Active fire protection. This section of the NIST report focused on improving the performance and redundancy of fire-protection systems, such as automatic fire sprinklers, standpipes, and fire-alarm and smokemanagement systems. The recommendations suggested improvements in fire-protectionsystem design and installation in buildings that have higher risks, such as tall buildings, and buildings with large open spaces, large populations, and transient fuel loads. It also called on the design of fire-alarm systems to include communication systems that can withstand fire conditions and provide more accurate information during building emergencies. Another recommendation related to a building’s fire-alarm system providing better information to emergency responders. Improved building evacuation. More-efficient building evacuations formed another cornerstone of the NIST report. Recommendations included ensuring safer and more rapid evacuations, along with providing a way to help occupants be better prepared for emergencies. One of the recommendations suggested that tall buildings be designed to accommodate timely, full-scale building evacuations during emergencies such as fire, terrorist attacks, earthquakes, hurricanes, explosions, and tornados. Other recommendations related to protecting elevator enclosures and exit stairs, marking exits, and providing adequate means of escape for persons with disabilities. Improved emergency response. The NIST report suggested enhancements to buildings to better support fire-department operations during emergencies. One of the recommendations focused on providing structurally hardened elevators to improve reliability for use by the fire department. There were also recommendations related to improving fire-department emergency-communication systems and the responder command structure. Education and training. Additional training was recommended for architects and engineers in the topics of structuralfire protection and the principles of fireprotection engineering. It is essential for design professionals to understand the basic principles of fire-safety design. Another recommendation related to providing additional training for the
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fire service in topics related to building-design reviews and inspection procedures. Improved procedures and practices. The report offered several recommendations related to improving procedures for the design, construction, maintenance, and inspections of buildings, including recommendations that jurisdictions implement existing provisions in building and life-safety standards for egress and installation of automatic fire-sprinkler systems. Another recommendation suggested maintaining design/as-built documents over the lifespan of a building.
Working with the pros Moreover, NIST recommended including fireprotection engineers (FPEs) in building-design teams to aid in planning to prevent future devastation, especially in high-risk structures such as tall buildings. Fire-protection engineers understand the science and technology required to make buildings safe from fire and can make invaluable contributions to a design team. An FPE can coordinate the fire- and life-safety aspects of the design disciplines (architectural, structural, civil, mechanical, and electrical), focus the design team’s attention on solving related issues, and save time and expense. A fire-protection engineer can: • help develop goals with an understanding that designs are intended to limit the threat to lifesafety for the public and emergency responders and to reduce potential property loss • interpret a variety of applicable codes and standards with an understanding of how a building and its components function as an integrated fire- and life-safety system, which enables the FPE to recommend cost-effective solutions that provide fire safety to the overall design • focus specifically on scientific and engineering methods for fire- and life-safety analysis and design, whereas engineers from other disciplines focus on other building systems and features. Methods can include computer modeling, such as computational fluid dynamics and humanbehavior modeling. • produce a set of fire-protection design documents that anticipate the details of a fire-protection installation, based on an integrated-systems approach that can yield tighter construction-bid prices • recommend corrective actions that can minimize change orders and associated cost increases if a problem is discovered during construction • develop a plan to commission and accept fireand life-safety systems.
Thinking through the unthinkable The fire-protection community has worked hard to implement the recommendations from the NIST report into the model building and
fire codes. Because tall buildings have unique features that make it more challenging to create designs that keep people safe during emergencies, it is imperative for the design and construction industries to understand how new fire-protection practices and technologies have changed as a result of 9/11. Some of these changes are related to: Facilitating more-efficient building evacuations. Buildings more than 420 feet tall will have an additional exit stairway, and exit stairs will be required to be wider to provide faster occupant evacuations. The changes also will make it easier for emergency responders to advance up stairs during emergencies. Additionally, elevators may be used for evacuations during emergencies when the elevators comply with special protection for wiring and cables, emergency power, and protection from fire-sprinkler-water discharge. Other requirements relate to elevator monitoring systems, building-wide voice/fire alarm systems, signage, and the size of elevator lobbies. Improved marking of exits. For buildings more than 75 feet tall, new requirements call for increasing the use of luminous marking systems to identify exit paths, exit doors, and exit signs for occupants trying to evacuate a building. Luminous marking systems do not require an external energy source, electrical wiring, or batteries. Protecting the integrity of stair and elevator enclosures. Stair and elevator enclosures will be hardened in buildings more than 420 feet tall, as well as in essential buildings, such as hospitals, between 75 feet and 420 feet in height where failure of the enclosure would substantially jeopardize life. Hardened enclosures are designed to withstand substantial physical impacts. Specifically, enclosures constructed of masonry, concrete, or wall assemblies that pass the ASTM C1629/C1629M-06(2011) Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels can be classified as hardened. Remoteness requirements for exit stairways ensure that if one stair is blocked, there is greater probability that the other stairs are not blocked. To be considered remote, exit stairs are now required to be separated by a distance of 30 feet or not less than a fourth of the maximum building diagonal, whichever is less. Increasing reliability of sprinkler systems. Although fire sprinklers are very reliable systems, steps have been taken to increase their reliability in buildings taller than 420 feet. For example, each fire-sprinkler zone in such buildings will now be supplied by two water-supply risers. Each riser must be remotely
located in protected stair enclosures. Improving the installation of structural fireproofing. Provisions have been made to ensure fireproofing will resist abrasion and adhere to the substrate material under deflection. For example, the bond strength of structural fireproofing materials will be required to be 1,000 psf for buildings taller than 420 feet and 430 psf for buildings between 75 and 420 feet. The bond-strength requirement is for all structural fireproofing in a building. Other installation requirements for structural fireproofing ensure that the installation complies with the manufacturer’s requirements, surfaces being protected are clean, adequate testing is provided to demonstrate adhesion is maintained, and fireproofing is not affected by building systems such as mechanical, electrical, plumbing, and fire-protection systems. Facilitating improved emergencyresponder operations. There have been many advances in assisting emergency responders during emergencies. For example, buildings taller than 120 feet will now have at least two fire-service elevators. Additionally, fire command centers will be larger so that command staff will have more room to effectively administrate the
emergency response. Other new provisions for emergency-responder communication systems ensure responder radio coverage throughout a building. These are just some of the important life-safety features that will be provided in tall buildings in the future. It is important to note that these requirements have been established in the model codes and standards. When designing and constructing a building, check with the specific jurisdiction’s building- and fire-code requirements and coordinate the requirements with the project’s fire-protection engineer. While it is impossible to construct a building that is immune to every type of disaster, the lessons learned from 9/11 will help keep buildings and their occupants safer than ever before. Chris Jelenewicz, P.E., is engineering program manager for the Society of Fire Protection Engineers, Bethesda, MD.
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13
feature HVAC
Combined building, mechanical, and electrical systems should meet or exceed any mandatory efficiency standards when a building is constructed. Photo courtesy of Uponor, Apple Valley, MN.
Begin With The End In Mind Indoor-climate engineering and human-factor design must combine to produce sustainable building principles. Robert Bean, ASHRAE Learning Institute 14
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S
elf-help guru Steven Covey offers some very important advice that is applicable to the world of architecture. In his 1989 book, “Seven Habits of Highly Effective People,” he suggests that you begin with the end in mind. This concept is useful in many aspects of construction, but its significance becomes evident when applying it to design principles for controlling the energy flow through a building, known as indoor environmental ergonomics. The term indoor environmental ergonomics might be new to most, but it falls under the practice of indoor-climate engineering. It implies something much deeper than traditional knowledge of HVAC, which is associated with the needs of a building. Indoor environmental ergonomics is associated with the needs of a building’s occupants. The primary message of indoor environmental ergonomics is that if we begin with occupant needs underpinned by the unadulterated definition of sustainability, using indoor-climate engineering to establish indoor
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environmental quality, the end game will result in a high-performance building. Even though this approach has immense benefits for contractors, designers, and consumers alike, it is not a trivial undertaking. It involves the busting up of egos and tradition.
Comfort and efficiency By ethical requirements, professionals must agree buildings at least should limit the probability of occupants becoming OSHA statistics as a result of the poor quality of air, lighting, sound, odor, vibration, and thermal comfort. The combined building, mechanical, and electrical systems should meet or exceed any efficiency standards that are mandatory at the time of construction. If the architect and the client have an obligation to the principles of earth stewardship, the principles of efficacy, entropy, and exergy must be included alongside the evaluation of energy efficiency. To accomplish this evaluation process, one must remove some obstacles, such as
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feature HVAC the industry practice that treats architecture, interior design, HVAC, and lighting systems as separate items. From the perspective of energy and building occupants, these elements are integrated. For example, with thermal comfort an occupant’s brain is like a blender, except it identifies the individual ingredients: “Nice view, but I’m freezing.” The same process applies to IAQ, although the brain can’t always identify the ingredients: “Nice flooring. Is anyone else in here getting headaches?” In solving these problems, there will always be a corresponding flow of corrective energy: I’m cold = turn up thermostat = turn on burner/ pump/fan = consumption of fuel and electricity = an act of treason against sustainability goals. In keeping the end in mind, the goal is not to condition a building but to condition the occupants to treat an HVAC concern, in the most sustainable way. The equipment remains off, conserving energy. This principle applies to other conscious and subconscious responses found within the human body. For example, responses to the indoor environment can include itching, sweating, congestion, runny nose, sneezing, shivering, squinting, headaches, rashes, or hives. Corresponding adaptive strategies are scratching, turning on a fan, pinching one’s nostrils, blowing one’s nose, putting on a sweater, closing the blinds, opening a window, and taking medication. A building in part contributes to these conscious and subconscious reactions. The qualitative and quantitative magnitude is proportional to the quality of the ergonomics of the indoor environment. In layman’s terms, the more one is distracted by responses to one’s environment, the less one is focusing on learning or being productive. According to published research, this distraction or downtime expressed as a dollar cost over a few decades far exceeds the capital and operating costs of the building itself. This is true even in the presence of all that new, zippy, high-efficiency equipment. Smart, zippy equipment does not equal smarter, zippier occupants! It is evident that indoor ergonomic quality (IEQ) and energy challenges could be simultaneously solved, at least partly, if the architecture were based on all human factors— except those stimulated by esthetics. There are no OSHA statistics attributable to ugly buildings and ugly interiors. Even the most visually appealing architecture cannot compensate for the negative effects of a bad environment (“Nice building, but can you feel that draft?”) and in almost all cases, bad environments are the contributing factor to the excessive use of nonrenewable energy. (“Nice building, but it’s still drafty. Turn the heat up more.”) 16
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Turning comfort inside out Using thermal comfort as a surrogate for other sensory examples, let’s look at how an inside-out approach to design trumps the current outside-in approach. The human body already has its own energy-management and environmental-control systems. As close to perfect as these systems are, they are no matches for Mother Nature in all but the most temperate climates. Fortunately we don’t need to construct buildings to entirely replace our physiological and psychological systems, only to compensate for some of their shortcomings. The solution is a combination of passive/ adaptive and active systems. The former incorporates solar, wind, building orientation, shading, and enclosure performance, along with adjustments to activity and clothing. The latter uses active elements measured in the flow of non-renewable energy through the building for operating HVAC equipment and lighting. Due to our common human physiology, the quantitative value used for conditioning people is remarkably similar, regardless of culture. In the
In keeping the end in mind, the goal is not to condition a building but to condition the occupants to treat an HVAC concern, in the most sustainable way. absence of visual stimulation, people from all over the world would choose materials and methods of construction having a similarly agreeable effect on their thermal, respiratory, auditory, olfactory, and kinesthetic senses—but not on vision. Visual stimulation is the stressor that challenges us in making sustainability-based decisions. Decisions based on visually appealing but unsustainable factors lead to architecture that compromises our comfort—“Great view, but it’s too bright and too hot. Please close the blinds and turn on the a/c.” Senses that are compromised lead to less productivity or learning, ergo the inside-out approach (occupants before architecture) trumps the outside-in (architecture before occupants) approach.
Close to flunking So how does all of this fit into the evolution of terrible, traditional, and transitional buildings into terrific buildings defined by high-performance building programs? Building codes and those who adopt them have done a stellar job
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establishing minimum requirements as benchmarks. By educational standards, however, minimum requirements earn a D grade. When D-grade thinking is adopted en masse, as it has been in North America, it becomes maximum practice in a field wherein a representative code clause, such as “heating facilities shall be capable of maintaining an indoor-air temperature of not less than 71.6 F,” has become the benchmark for establishing thermal comfort. What adopters of D-grade thinking fail to realize—or deliberately ignore—is that the D-grade minimum in climate engineering is in fact a downgrade from the requirements of the human body as recorded in written standards (ASHRAE 55/ISO 7730), which are based on health-science research. D-grade thinking is one of several reasons why 30% to 50% of the population is dissatisfied with their indoor environments, and that later shows up in lower academic scores, lower productivity, and suppressed general happiness. Furthermore, the lower price of a D-grade system (disguised under the term affordable) only moves the project closer to the grade of F. Grade F happens because people didn’t want to pay for grade D. Why is that F is so easy to get in the first place? Because the minimum benchmark is set too low—below the standards. As an example, in the world of indoorclimate engineering, measuring thermal comfort exclusively by air temperature is so inadequate there should be little blue pills for it. Endorsement and enforcement of 72 F air temperatures by industry has resulted in an inventory of buildings that have tried to solve thermal-performance problems by unnecessarily creating 2,800 F flame temperatures in furnaces for the exclusive purpose of excessively heating the air rather than solving the underlying thermal-comfort problem, which is not rooted in air temperature but in the mean radiant temperature (MRT)—an element intimately tied into the enclosure performance and the body’s thermal-sensory system. We don’t inhale comfort. We sense it through our skin, which is an almost perfect absorber and emitter of radiant energy. Air-only thermostats are and always will be poor thermal ambassadors for communicating human thermal needs to any mechanical system.
Enclosures and comfort The best way to point out the narrow-sighted focus on air temperature is to draw attention to comfort standards, among which air temperature is only one of ten elements considered by indoor-climate engineers (see Table 1.) With the exception of metabolic rates, clothing, air speed, and humidity, all elements are a function of enclosure performance. Of special interest
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feature HVAC to thermal-comfort technicians are the interior surface temperatures, which are a derivative of the combined performance of the fenestration systems, insulation values in the opaque surfaces, and building tightness. To engage the power and simplicity of the relationship among enclosure performance, radiant transfer, and thermal comfort, the status quo must go from architect and client telling the HVAC engineer, “Here are our blueprints. Now design your system to make our building work,” to the indoor-climate and energy engineer saying to the architect and client, “Here are our systems to meet energy budgets and IEQ standards. Now design and build an enclosure to make them work.” In this wonderfully disruptive, in-your-face, inverted approach, mechanical- and electrical-design teams see architecture and interior design as a means of enabling maximum performance from the mechanical and electrical systems for the exclusive purpose of conditioning occupants instead of a building. Here’s where we connect the various dots: The most efficient system possible, based on the principles of combustion and compression efficiency, must be based on the lowest return temperatures for heating and the highest return temperatures for cooling. The only way to achieve the lowest and highest temperatures for heating and cooling, respectively, is to precede the architectural design by specifying enclosure performance by way of thermal fluxes (see Table 2) and then to incorporate large, conductive, low-VOC interior-surface areas (walls, floors, and ceilings) as heat exchangers. Why use interior surfaces as on-site, fabricated heat exchangers? Indoor-climate engineers know that if the environmental ergonomics influenced by warm and cool surfaces can suppress or encourage body-heat loss based on the radiant exchange, they can efficiently address almost all of the parameters required to meet thermal-comfort and energy restrictions. The control of the radiant exchange between occupants and the building trumps control over air temperature. The control is established first with enclosure performance and then augmented with a radiant-cooling and -heating system that uses a dedicated outdoor-air system for deodorization, decontamination, and dehumidification in a radiant-based HVAC system. (See Table 3 for nominal requirements for various heating and cooling fluxes using low-VOC, conductive floors, and tight tube spacings. These are based on typical space temperatures of approximately 72 F for heating and approximately 78 F for cooling.)
Efficiency for all seasons Equipment manufacturers, related mechanical contractors, and designers should recognize the 18
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Table 1. Factors Affecting Thermal Comfort General environmental factors
Localized factors
Personal factors
Dry bulb temperature
Vertical air-temperature differences
Clothing
Mean radiant temperature
Radiant temperature asymmetry
Metabolic rate
Humidity
Floor temperature
Air speed
Drafts
Source: ANSI/ASHRAE Standard 55 Thermal Environmental Conditions for Human Occupancy
Table 2. Enclosures Level Performance [based on combined convective and radiative flux/unit of floor area (sensible loads only in the long-wave range)] Enclosure performance level
Thermal flux, BTU/ft 2 hr, (W/m 2 )
Terrific (high)
< 10 (31)
Transitional (good)
10 to 20 (31 to 63)
Traditional (moderate)
20 to 30 (31 to 94)
Terrible (poor)
> 30 (94)
Table 3. Typical Average Fluid Temperatures (based on flux, tiled concrete floors, 9 inch tube spacing (a)) Building performance and mid-range example for thermal flux, Btu/ft 2 ·hr, (W/m 2 )
Avg. heating fluid temp. F (b)
Avg cooling fluid temp. F
Terrific (high performance) flux = 5 (16)
78
70
Transitional (good performance) = 15(47 )
92
54 (d)
Traditional (moderate performance) = 25 (9)
105
38 (d)
Terrible (poor performance) = 35 (110)
120 (c)
18 (d)
(a) Applies to floors only. Walls and ceilings would have different characteristics and thus different temperatures. (b) All ranges listed would be in the condensing mode for gas/oil boilers. (c) Out of the range of a water-to-water geothermal heat pump. (d)Denotes ranges exceeding 12 Btu/ft 2 ·hr (37 W/m 2 ), flux limited by a 66 F fl oor temperatures in accordance with ASHRAE 55 Thermal Environmental Conditions for Human Occupancy
potential efficiencies in condensing boilers, heat pumps, and chillers with some of the parameters above. Using traditional differential temperatures, for example a 20 F in heating for a high-performance building, i.e., terrific enclosure, supply temperatures become 78 F + (20 F/2) = 88 F. Return fluids become 78 F – (20 F/2) = 68 F. At such low return temperatures, the combustion efficiency climbs into a high 90% range. With the use of weather compensators, this type of efficiency can be maintained throughout the entire heating season. Likewise, one can see the efficiency destruction when the buildings are inefficient, particularly in the cooling modes. Beyond the transitional building in cooling, radiant surfaces are useful as a base system, engaging supplemental systems during peak loads. If we begin with human-factor design underpinned by the unadulterated definition of sustainability, using indoor-climate engineering to establish indoor environmental quality, the end game naturally will deliver highperformance buildings. When designers can focus on controlling occupant heat transfer to and from interior surfaces using enclosure performance, the result is warmer interior surfaces in winter and cooler
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interior surfaces in summer. Such passively controlled surface temperatures—and the use of low-VOC finishes—improve the health of an environment while reducing the operating time of active systems, a key component in sustainability. When heating and cooling equipment must run during swings in extreme seasonal loads, it must run at maximum efficiency enabled by the low heating temperatures and high cooling temperatures associated with radiant-based HVAC systems. The beauty of these systems is how well they play with natural materials and the multiple sources of renewable energy found in the earth, wind, water, and sun. Robert Bean is an instructor for the ASHRAE Learning Institute, Atlanta, and a lecturer on the human factors in HVAC and radiant-based HVAC systems. He is a registered engineering technologist in building construction with more than 30 years of experience in energy and indoor environmental quality.
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BACKUP POWER HVAC SYSTEMS
BUILDINGG POWER
F E AT U R E
A key decision to make when specifying backup-power systems is whether to use a single genset or a modular system.
Specify Backup Power That Fits Factors such as scalability, fuel sources, owner maintenance capabilities, and AHJ requirements determine whether a backup-power system will meet current and future needs. Michael Kirchner, Generac Power Systems
P
eace of mind is a priceless and coveted commodity in today’s business environment. Adequate backup power contributes to that peace of mind, because down time means lost revenue. However, specifying a backup-power system that is appropriate to a particular application requires attention to several details. The first thing to consider when specifying a backup-power system should be obvious: power demand—the amount of electricity needed to back up all necessary circuits. However, what’s often not so obvious are the future power needs for the application. Over time, the power demands of a building—or the tenants in that building, if applicable—will likely change. The demands won’t get smaller, either. According to a commentary by Max Schultz on Forbes.
20
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MARCH 2012
com (http://www.forbes.com/2009/06/04/americapower-grid-opinions-contributors-energy.html), the U.S. economy will require 30% more electricity by 2030. Increased power needs place more demand on a backup-power system in emergency situations, and can reach a point where the system can no longer supply the necessary amount of power. Additionally, because backup-power systems have an effective life of several decades, it’s important to build some scalability into the system so as not to replace a perfectly good—not to mention costly—backup-power system before it’s effective life has been exhausted. Scalability can be addressed in a single-generator solution by simply designing extra capacity into the specification to allow for future power needs. This approach, while often acceptable, has its drawbacks. First,
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it requires an accurate estimate of what the maximum power needs of an application will be over the course of the generator’s life. It also ties up capital in the backuppower system at the outset—monies that might be better invested elsewhere. Additionally, because large generators use equally large engines that are manufactured in relatively small volumes, turnaround time for such a system can be longer than anticipated, which can cause problems from a project-scheduling standpoint. An excellent alternative to this approach is a modular power system, in which several smaller generators are connected in parallel to provide the necessary output. Such systems are becoming increasingly cost effective and space efficient, thanks to new digital technologies that control all generator functions and switchgear integrated into the generators themselves.
As the power needs for the application grow, additional generators can be easily added to the system to provide additional capacity. This allows a less-accurate initial estimate of how power needs will grow, because additional capacity can be added in relatively small increments. A modular system also offers installation flexibility not found in a single-generator (genset) solution, because the units need not be installed side by side. Additionally, because these smaller generators typically use high-volume, on-highway truck- and automotive-derivative engines, instead of the lowervolume large engines mentioned earlier, most manufacturers can fulfi ll modular power-system generator orders in a shorter time. That means additional capacity can be added very quickly to a system to accommodate growth.
Build in reliability Reliability is also a key factor in specifying a backuppower system. Nothing is worse than expecting a backup-power system to protect your investment, only to have it fail when it’s needed most. While on the surface, reliability sounds subjective—related exclusively to one’s belief in a brand name or faith in a particular system’s components—there are some concrete ways to evaluate reliability in a backup-power system. Consider the single-engine vs. modular-power system example described above. Large single-engine gensets can offer reliability on the order of 98% to 99%, which is perfectly acceptable in many applications. However, there are those applications, such as mission-critical data, where a power failure means a business failure—not just a loss of revenue. In such cases, maximizing reliability should be the goal. Modular power systems can do that, as well, through increased redundancy. Unlike a single-generator solution, no one generator failure results in the failure of the entire backup-power system. As previously mentioned, if the reliability of a standby generator is defined at 98%, a modular power system, with an N + 1 configuration, has a reliability of 99.96% and an N + 2 configuration has a reliability of five nines. Thus, when the power absolutely, positively must remain on, it might be wise to eschew a single-generator solution in favor of a modular power system. Another reliability factor is the fuel supply. Diesel fuel has been the traditional choice for backup power because its high thermal efficiency typically results in a lower cost/kilowatt in larger applications. Additionally, emergency system on-site fuel storage tends to be preferred by many authority-having-jurisdiction (AHJ) agencies. However, issues of fuel storage, contamination, and breakdown can have an impact on system reliability. If ongoing fuel maintenance will be a challenge for a given customer, a diesel-fueled genset might not be the best choice. Natural gas is being considered more often for standby applications because it avoids the diesel-fuel storage issues. The natural-gas infrastructure is generally not affected by utility failures. However, the natural-gas supply can be affected in situations such as seismic ac-
BUILDING POWER
volumes, consumable tivity, raising questions preventive-mainteof suitability for codenance components required emergency tend to be more costsystems. The AHJ can ly. Such units also readdress the reliability quire large volumes of of natural gas in a given oil and coolant, which area. If on-site fuel storare similarly pricey. age is required for the E N E R G Y S O L U T I O N S F O R C O M M E R C I A L B U I L D I N G S Before specifying such application, dual-fuel a unit, it’s important gensets that can operate to make sure that the end user is willing to bear the on both natural gas and on-site LP fuel are an option. burden of these maintenance costs. Finally, because Bi-fuel generators, which simultaneously burn only a single generator provides all backup power, the diesel and natural gas, effectively capitalize on the facility won’t be protected during maintenance that benefits of diesel and gaseous fuels while minimizrequires taking the unit offline. ing drawbacks that affect reliability. They offer the Modular power systems, by comparison, are extended run times of natural gas, but can operate on multiple in number and offer the advantage of having 100% diesel fuel, if necessary. The amount of diesel units that can be taken offline one at a time for extenfuel stored on site is significantly reduced as well, besive maintenance without completely eliminating the cause natural gas is the dominant fuel. Other benefits facility’s backup-power protection. Additionally, beinclude reduced maintenance costs, lower emissions, cause they are powered by engines that are produced and reduced operational costs. in much higher volumes, preventive maintenance consumables are more cost effective. As you can tell from the previous discussion, it’s alThe chosen fuel supply also affects preventive ways wise to consult with your AHJ regarding specific maintenance. Diesel fuel, for instance, requires more code questions. The key NFPA (National Fire Protecmaintenance than gaseous fuels. Unless properly tion Association, Quincy, MA), standard for backupmaintained, diesel fuel will lose its efficacy. Maintepower generation is NFPA nance requires the removal 110, which addresses the of water and dirt from the assembly, installation, and diesel tank. Water must performance of backupalso be drained from the power supplies for emertank monthly—weekly in gency systems and legally more active systems or in required standby loads. areas with large daily temCompliance with NFPA perature changes. If the end 110 is compulsory in those user is unable to perform jurisdictions that have also this kind of maintenance, a adopted NFPA 101 (lifediesel-fueled genset might safety code) or NFPA 99 not be appropriate. (healthcare facilities), beThere’s no doubt that cause both of those stanbackup-power systems dards require NFPA 110 compliance. mean peace of mind for building owners. Specifying The local AHJ can advise as to whether NFPA 110 the right system requires planning for those things that compliance is required for a facility backup-power truly matter in a backup-power system: current and system. However, even if it is not, NFPA 110 complifuture power needs, reliability, standards compliance, ance goes a long way toward ensuring that a backupand ongoing maintenance. Being mindful of these power system is adequate for supporting key building items while maintaining a strong working relationship systems in particular applications. It can also help with the local AHJ and the end user will ensure specifiyou make determinations about the size and kind of cation of the right system for the application. BP system you will specify for a given application.
Explore standards compliance
Preventive maintenance is the most effective and important tool for ensuring the reliability and adequacy of any backup-power system.
Consider maintenance requirements Preventive maintenance is the most effective and important tool for ensuring the reliability and adequacy of any backup-power system. However, different backup-power systems will require different amounts of maintenance. The ability of the end user to comply with the system’s maintenance schedule should be considered when specifying a system. Single-engine gensets, for example, have the benefit of being the only unit that requires maintenance. However, because they use engines built in lower
AUTHOR Michael Kirchner has been with Generac Power Systems, Waukesha, WI, for 12 years. His current role is technical-support manager. He earned his electrical engineering degree and Master’s degree in business administration at the Univ. of Wisconsin.
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MARCH 2012
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project WALL SYSTEMS
Panels Perform In And Out For Daycare Center Exterior and interior panel systems allow architects to eliminate concrete and metal from a daycarefacility design.
T
Exterior panels allowed designers to replace expensive concrete columns with light-gauge, metal-column framing.
22
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
Inside, woodgrain panels provide the comfort and formality to which parents relate and the bright colors that make children feel comfortable.
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he Salvation Army opened its new childcare development center in Oak Park (Sacramento, CA) in June 2011. The Alhambra Day Care Center, a $3 million, 14,000-sq.-ft. facility, replaced a 2,400-sq.-ft. modular building that housed The Salvation Army daycare center for the past 24 years. As part of the exterior design, the architecture team chose a brick exterior to coordinate with the nearby community center’s brick building. In addition to the brick, the architect’s early design concepts for the new child-development center called for concrete columns and metal ceiling panels for the large entry canopy, soffit, and fascia. The problem was that the specified concrete columns were expensive and the metal-canopy soffit added another building material, which was undesirable. The search for alternatives succeeded when MEG exterior panels, manufactured by Abet Laminati, Englewood, NJ, were chosen. “MEG exterior panels were specifically selected to emphasize the entry of the building and its columns and canopied roof and introduce a material that was independent of all other campus building materials,” explained Mike Buschow, principal, GRA-Architecture, Sacramento, CA. “The MEG exterior panels allowed for economical light-gauge metal-column framing and material consistency between column, roof canopy, and fascia. The MEG panels’ exposed reveals also tied in with the curtain-window walls’ linear design expression. The panels’ water-resistant backing and membrane-applied, water-repellent substrate replaced the need for unsightly metal flashing details at the building’s entry,” explained Buschow. Another solution the exterior laminate
project WALL SYSTEMS panels provided was strength. The design team wanted to use a material that would offer durability and weather resistance to the strong southern exposure while incorporating a material that clearly identified the building’s entry. The silver color of the MEG exterior panels was selected to provide a welcoming reflectivity of sunlight without the blinding effects associated with metal-panel finishes. The panels were cut in the field, and installation was relatively easy. “We were pleased with the finished product. The panels provided an articulate, precise finish with clean and crisp exposed edges and the use of exposed fasteners and complementary color,” Buschow added.
radius corner trim, were specified. On the upper and lower floor corridors, the panel heights were reduced to 4 ft. and included a cherrywood cap rail with a radius edge. Abet’s interior wall system panels typically are 10-ft. tall. The general contractor, Ascent Builders Inc., Sacramento, CA, together with subcontractors and the design team, were
pleased with Abet’s MEG panel systems. Both exterior and interior panels provided design flexibility and ease of installation.
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Interior solutions Abet products also solved an interior-design issue. The design team wanted to incorporate a wall product that would complement the rich interior colors but also provide durability and impact resistance from the high volume of daily use by children and parents. Abet Laminati’s interior wall system solved the problem. The woodgrain implementation added a formality to the main central space, to which parents could relate, while the use of bold/ primary colors captured the interest and imagination of the children. “We chose the Abet interior wall system over a plastic-laminate, glueapplied system for ease of installation and higher-end trim options that connected the buildings’ interior with exterior material selections,” stated Buschow. “Going with an interior plastic laminate over gypsum board requires a glued application, butt joints, and aluminum top and bottom trim. Abet provided greater reveal options and corner trims as a part of their system, which provides a higher quality of finish. The interior panels’ selected trim reveals were aligned with the exterior curtainwall horizontal window frames and column reveals, which presented a visual sight line of materials that connected from the exterior of the building into the interior.” The interior wall’s tongue-andgroove fastening system installed easily. The system covered approximately 3,000 sq. ft. Two-way open aluminum reveals, with aluminum For free information, circle 209
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project WINDOWS & DOORS The front doors of Treasure Island Resort & Casino, Las Vegas, maintain their just-installed appearance thanks to DiamondGuard finish on the glass.
Treated glass can still be etched to add a design element or to create a visual warning for people who might otherwise walk into it, unaware the glass is there.
Glass Sparkles T On The Vegas Strip Durability in high-traffic use redefines the possibilities for glass.
24
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
reasure Island Resort Hotel and Casino is one of the best-known destinations for the nearly 37 million people who annually visit Las Vegas. With 3,000 guest rooms, 90,000 sq. ft. of premium casino space, and nightly pirate battles and fireworks, Treasure Island attracts thousands of people every year, testing the durability of the hotel and everything within it. When the resort recently underwent a $100-million renovation, DiamondGuard glass from Guardian Industries, Greer, SC, was installed on the front doors. Glass is a remarkably stable material, able to withstand most environmental stresses indefinitely. However, the surface of regular glass is relatively easy to damage through mechanical contact with hard materials, resulting in visible cosmetic blemishes. Thanks to a proprietary coating applied with patented technology, though, DiamondGuard resists scratching from contact with keys, bracelets, purses, and other everyday items.
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No fragile glass N S Since transparency is one of the primary sello iing points of glass, its rresistance to marring, sscratching, or corrosion directly influences its value. â&#x20AC;&#x153;We are seeing more demand for glass that can withstand the wear and tear of heavy use,â&#x20AC;? said Diane Turnwall, director of interiors for Guardian Industries. Historically, efforts to protect glass have relied on organic surface treatments or films that lower its coefficient of friction or yield under impact. Another approach has been the use of inorganic oxide or nitride coatings to produce a hard surface layer. The drawback of the organic treatments is that they wear off, while the inorganic coatings are easily marred due to inherently high friction. Permanently bonded to glass during the manufacturing process, DiamondGuard is a durable, protective coating that provides glass with exceptional scratch resistance. In fact, glass with DiamondGuard is proven to be more than 10 times more scratch-resistant
project WINDOWS & DOORS than tempered and chemically strengthened glass. The product’s low-maintenance and highly transparent qualities also make it a preferred material for interior-design applications, including tabletops, cabinets, shelving, furniture, wall panels, doors, partitions, store fixtures, display cases, and mirrors.
like protective layer on the glass, while fusing the carbon atoms into the surface on the front of the glass. On its back surface, the mirror coating is protected with a
Easy to clean and tough “The next big thing in decorative glass is a technology that addresses the biggest reasons that owners are reluctant to use glass: scratching and ease in cleaning,” said Turnwall. “DiamondGuard glass provides the solution to these common challenges. Its scratch-resistant properties make the glass more forgiving to surface scratches. It also is easy to clean, usually requiring nothing more than water and a soft cloth.” She added that the coating can be further enhanced by decorative processes including mirrors, back painting, and silk-screening. The same technology is used for mirrors. During the Treasure Island renovation, the company supplied its DiamondGuard UltraMirror for the bathrooms in the resort. A patented technology deposits a diamond-
Bathroom mirrors at Treasure Island have an invisible coating to protect against destructive elements.
scratch-resistant, UV-cured material that is permanent and proven to be at least 10 times more scratch-resistant than tempered and chemically strengthened glass. The UltraMirror is designed to defend
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SafeZone
itself against the destructive elements that degrade a mirror’s reflectance and lifespan. “The UltraMirror is increasingly sought after in the hospitality industry and in private homes ffor its striking look, while its unparalleled sscratch-resistant qualities make it a smart iinvestment,” said Turnwell. DiamondGuard is used in guestrooms at a Microtel Inn & Suite in Arkansas, the a Whisky Bar & Grill in the W Chicago City W Center Hotel, and on counters throughout C tthe luxury shops of the MGM Grand Hotel iin Las Vegas. The coating can also be a applied to shelving, furniture, wall panels, doors, and partitions. d In many hospitality sites, glass e endures significant wear and tear from lluggage, keys, and other personal items hitting and scraping against the glass. h D DiamondGuard provides a solution to a common problem, providing a durable c product to withstand high-traffic areas p w while mantaining aesthetic beauty.
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SafeZone senses movement in the opening and holds the door open, creating a “zone of safety”. Extends the life of the opening by limiting unnecessary door cycles Provides energy savings, fire code compliance, and increased security
Copyright © 2010–2012, Yale Security Inc., an ASSA ABLOY Group company. All rights reserved.
Reduces damage to doors and frames To learn how, visit safezone.nortondoorcontrols.com
Intelligent Door Closer with On-Board Sensor
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27
project EXTERIORS
The entrance to the building is easy to spot, thanks to the metal panels that “lead” to it.
The metal panels on the Marcus Nanotechnology Research Center create a distinctive look.
An Old Material S Makes The Grade At A Very Modern School The innovative use of copper in architecture puts a Georgia Tech research center in a class of its own. 28
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
cience and architecture have a long history of shared ideas, innovation, and creativity. Both academic disciplines use rational thought and inventive thinking to modify our surroundings. In many aspects, the two fields of study have shared origins and history. These commonalities can be seen in the design of the Marcus Nanotechnology Center on the campus of the Georgia Institute of Technology (Georgia Tech) in Atlanta. The center was built to house advanced nanotechnology research in the fields of healthcare, renewable energy, and personal technology. The architectural concept behind the building was to have a state-of-the-art research facility designed to reflect the groundbreaking research being conducted inside, without impinging on the considerable aesthetic charm and lush landscaping of the campus. Architects John Bush of the M+W Group, Chicago, and David Murray of Bohlin Cywinski Jackson, Philadelphia, spearheaded design efforts for what would eventually become known as the Marcus Nanotechnology Research Center Building. Aside from a few requirements from the university, they had quite a bit of leeway for
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the project. “We were able to develop different scenarios and designs as we saw fit,” said Bush.
Out of the box The designers had what amounted to a 190,000-sq.-ft. box and two design issues that required out-of-the-box thinking. First, there was no natural front or back to the building. With roads on three sides, the structure looked rather indistinct and not at all the aesthetic focal point the administration had envisioned. Second, the open design and surroundings of the building left it exposed to direct sunlight, resulting in cooling and energy-efficiency issues that were inconsistent with super-high-tech research being done inside the building. The architects proposed building a 22,000-sq.-ft. perforated copper-panel screen wall to enclose the central mass of the clean room and the peripheral support areas. The copper wall would decrease the amount of heat coming from the south side of the building, lower the air-conditioning and heating costs, and add shape and dimension to the facility. The screen wall also would serve as a design point around which the architects would shape the rest of the building. Builders added attachments to the
project EXTERIORS
The architects chose copper for its architectural and sustainable properties. The material selected needed to be able to withstand all weather conditions. Copper is not only durable and long lasting, but it also has a high level of corrosion resistance. When exposed to the elements, copper develops a natural blue-green patina that serves as a protective shell. An important consideration in choosing a material for the wall was ease of fabrication. Copper’s malleability and durability are why it has been a popular choice among architects for centuries. Copper does not have the negative environmental impact of many other metals; its use in the design decreased the carbon footprint of the building. “Using copper in architectural designs is a sound environmental choice because of its recyclability and long service life,” said Andy Kireta Jr., vice president of building and construction for the Copper Development Association (CDA), New York. “It is because of these qualities that you can still find copper roofs on buildings that date back many centuries.” Finally, the design team chose to use copper because they felt it would fit in well with the surrounding landscape, which consists of buildings scattered among wooded areas and rolling lawns. Made from a metal with a natural, warm tone, the screen fits in well with its surroundings.
The panels allow light to filter through while blocking much of the sun’s heat and cutting solar heat gain.
▲
Malleable, durable, recyclable
meant coming in slightly over budget. Another key to the project’s success was the school’s dedication to fostering a design that would complement the purpose of the building and its surroundings. In turn, the CDA and the Canadian Copper Brass Development Association, North York, Ontario, credited the Marcus Nanotechnology Research Center as one of 12 buildings to receive a North American Copper in Architecture award. Georgia Tech’s copper screen is a design innovation that could be replicated in many other settings. An ancient building material, copper has proven that it can work well to meet the needs of even high-tech institutions.
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structure’s framework, so that the screen could be designed and constructed separately and attached to the building later. The screen was manufactured by LinEl Signature, which designs, engineers, and manufactures architectural products in Mooresville, IN. LinEl purchased copper sheets from a U.S. copper fabricator, cut them to size, and shipped them to a subcontractor that punched them with circular holes in a specific pattern. The company then formed the perforated sheets into raised panels of various sizes, providing visual appeal and meeting the architect’s aesthetic intent.
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The metal panels blend well with the natural landscape around the building.
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D I A M O N D S TA N D A R D O F PA R K I N G S T R U C T U R E L I G H T I N G
Reflective optics system and heat sink maintain optimal light levels without overheating
PARKING GARAGE LUMINAIRES • Replaces 175- and 250-watt metal halide fixtures • Bi-level- or occupancy sensor-ready, and emergency battery back up optional • Available in bronze and white finish
Worth every penny Bush and Murray credited the Georgia Tech administration for understanding the benefits of investing in this kind of design, even if it
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29
project HVAC An energy performance contract at UNCW guarantees an annual savings of $336,566, with a 2.7% annual escalation in savings.
Partnership Greens Energy And Operational Savings Performance contract helps a university meet mandated energyefficiency goals.
I
n 2006, North Carolina state facilities received a deadline from the state legislature: By January 2015, all state facilities, including state universities, must reduce energy consumption by 30% from a 2003 baseline. While turning off lights and adjusting thermostats would be helpful, facilities would have to make much larger changes to reach the goal. Efficiency upgrades had to become a number-one priority for facility administrators across the system. Funding for capital-improvement projects was already tight. High-profile projects, such as a new facility, were still getting the green light, especially if there was a private-funding partner. Unfortunately, boilers, chillers, light fixtures, and environmental-control systems are not as exciting to trustees and the public. As the economy shifted and state revenue streams began to dry up, finding a way to fund mechanical upgrades quickly became a concern. The Univ. of North Carolina at Wilmington (UNCW) faced this very issue and turned to Brady Energy Services, Greensboro, NC, for a solution. Brady has a 50-year history of providing building and energy solutions for commercial and institutional facilities through its four offices and six parts stores across the state. The company’s comprehensive-solutions approach to facility upgrades results in dramatic energy savings and significant indoor-environmentalquality improvements. 30
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
Finding funding “The biggest hurdle for any improvement project is funding,” said Tim Gasper, PE, solutions engineer at Brady. “It can be even more cumbersome for state and local government projects, especially if there is a need for a bond issue or other public financing to raise capital for comprehensive retrofits.” Many educational institutions have had success with performance contracts (PCs). By leveraging operational-expense reductions, lending institutions look favorably on the netzero effect on balance sheets by providing lowinterest municipal financing for these projects. In addition, a PC typically includes an investmentgrade cosigner to provide an extra layer of security for the guaranteed savings. Performance contracts hold the provider responsible for the systems and equipment meeting annual performance guarantees or the provider must reimburse the institution for the difference, which lowers the risk for lenders. PCs are not a new concept, but they are gaining
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momentum similar to the growth of publicprivate partnerships in funding government projects. In 2006, the state approved the use of PCs by North Carolina agencies, including universities and community colleges.
Finding savings Technology is much more efficient today than it was 10, 15, or 20 years ago. However, identifying where the greatest benefits can be realized is a task for an engineer who can use building-modeling software to analyze multiple energy-saving scenarios. There were some easy wins at UNCW, such as outdated boilers, but to achieve the mandated reduction in energy consumption, engineers had to look beyond the mechanical room. One of the first things that the assessment revealed was that the university’s central plant was under-utilized by nearly 50%: the expense of owning and operating the boilers and chillers in the central plant was being duplicated in the
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project HVAC The UNCW Performance Contract
K
ey facts and factors in the performance contract and project at the Univ. of
North Carolina Wilmington (UNCW) include: • UNCW is the first performance contract in North Carolina to include the use of daylighting as an energy-savings measure. • Cost of the improvements: $4.5 million • Funding source: Branch, Banking & Trust (BB&T)-Municipal Lease, Charlotte, NC
degrees of heat to a room. With new intelligent lighting controls and sensors, engineers can program systems in buildings such as the university’s Randall Library to turn off fixtures in unoccupied areas instead of letting them burn 24/7. The result: lower energy demand and longer-lasting bulbs and fixtures, which provides additional operational savings. Another improvement that is unique to UNCW, among the state’s university PC projects, is the installation of solar tubes as an alternative lighting source. The application reduces the need for traditional lighting during daylight hours with no significant heat gain in a room.
Bear Hall
• Contract terms: 20 years • Contract dates: Start, September 2010; Commissioning, February 2011 • Improvements: - optimization of the central plant - boiler and chiller replacement - variable-speed air handlers - integrated environmental monitoring and control - solar tubes • Guaranteed annual savings: - 3.7 million kWh - 112,000 therms of natural gas - $ 333,500 in utility expenses, escalating at 2.7% annually ($9 million over 20 years)
mechanical rooms in other campus buildings. Connecting four more buildings to the central plant allowed Brady to eliminate the redundant heating and cooling units, as well as push the central-plant units to peak loading and efficiency. “The central plant was loafing along unloaded and running at an inefficient operating point,” said Gasper. “The university had made an investment in the central plant but was unable to realize all the benefits of this investment.” Big savings were available outside the mechanical rooms too. Adding programmable, computerized controls and monitoring that connects the campus allows the university staff to control comfort while simultaneously eliminating waste in unused areas of the buildings. The control system also improves the ability to detect and correct problems in real time. In addition, variable-speed drives were installed on a number of pumps and air handlers, allowing them to operate at reduced speeds and providing very substantial horsepower savings and prolonging the lives of the devices, thanks to reduced rotational speeds and pressures. An often-overlooked contributor to thermal load and overall energy consumption is lighting. Since virtually all of the power consumed by lights eventually is transformed into heat, even high-efficiency lighting can contribute several 32
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MARCH 2012
Major math In total, the improvements to UNCW came with a $4.5-million price tag. A regional bank provided the funding through a 20-year, low-interest loan. The performance contract guarantees a minimum of $336,566 in utility and operational savings with a 2.7% annual escalation in savings over the life of the contract—totaling more than $9 million. The first reconciliation audit is due in July of 2012. If performance at UNCW matches other Brady projects, the results will meet or exceed projections. Brady engineers also handled the energy-efficiency project at North Carolina Museum of Art, Raleigh, which was the first in the state to be funded with a PC. Now in its fifth year, the museum has exceeded projected savings by more than $2.8 million. The Univ. of North Carolina Greensboro, the first university PC in the state and another Brady project, is in its fourth year of savings. The first two years of reconciliation audits show annual energy and operational savings in excess of $1.2 million. Every facet in business seems to demand doing more with less, including the business of running an institution of higher learning. The public is resistant to tuition increases that would affect tight household budgets. State governments are cash strapped, calling for across-the-board cuts in spending, to the point of mandating percentages in specific areas of operations. However, PC-based facility improvements provide one shining light for meeting such mandates. They provide cash-neutral projects that help keep university facilities state-of-the-art, promote sustainability and efficiency, and even provide jobs for contractors in the construction industry. By the end of 2012, Brady projects that it will be responsible for almost $70 million in PC-financed facility upgrades across the state. This type of public-private cooperation may be a key to a more sustainable economy.
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Lot D
Light Includ HVAC Conn Conv Conv
Deloach Hall Lighting Upgrade HVAC Controls Replace Existing Boiler Connect CHW to WEP Transformer Replacement
Kenan Auditorium
Lighting Upgrade Replace Existing Boiler Retro Commission Controls
project HVAC UNCW HVAC Piping And System Upgrades
Lighting Upgrade Connect CWH to WEP Connect HW to WEP Transformer Replacement
Regel Drive
Lot B
Warwick Center
Hamilton Drive
King Hall Randall Library 4” CW 3” CW
Connect Bldgs to CHW, Connect Bldgs to HW Retro Commission Controls, Lighting Upgrade Connect Pumping for Other Buildings Replace Existing Boilers Install Waterside Economizer Irrigation System Optimization
Hamilton Drive
6” CW
ting Upgradedes Solatubes C Controls nect CHW System to WEP vert to HW Connect to WEP vert MZAHU to MW
Central Energy Plant
Hoggard Hall
Westside Hall
Lot A Lighting Upgrade Demand Control Ventilation Retro Commission Controls
Alderman Drive
Kenan Hall Drive
Lighting Upgrade
Kenan Hall
Demand Control Ventilation Metering
James Hall
Alderman Hall Lighting Upgrade HVAC Controls Connect CHW to CEP
Lighting Upgrade Demand Control Ventilation Retro Commission Controls
Alderman Drive
Lot B
A map of the campus shows how the new HVAC system connects cold-water pipe (blue) and hot-water (red) from various buildings to the central plant for greater energy efficiency.
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MARCH 2012
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AIA 2012
NATIONAL CONVENTION AND DESIGN EXPOSITION MAY 17–19 WALTER E. WASHINGTON CONVENTION CENTER WASHINGTON, D.C.
COMMUNITY
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ECONOMY
Get tto Ge oge geth th ther herr wit ith fe fell lllow arcchi hite tecctts te and an nd de desi sign si ign gn prro offe essio sss ona nallss at th he AIA 20 AI 2012 12 Nat a io iona ona al Co C n nvven nti tion an nd d Desi De ssiign g Exp xpos osittio osit os i n, n the e ind ndusstr try’ ys most com mo o pr p eh ehen hen nsive e natio atio at iona ona n le evvent. ent.. en
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REGISTRATION IS NOW OPEN For more information, visit www.aia.org/convention
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products HVAC & PLUMBING
Water-to-water series heat pumps Tranquility TMW series modular water-to-water heat pumps are available in 30 ton and 50 ton sizes. According to the company, the units are their most adaptable EarthPure HFC410A refrigerant units. The series can be used for radiant floor heating, snow/ice melt, chilled water for fan coils, hot/chilled water for make-up air, and other applications. The units have digital controls for BAS interface, four LEDs for unit status, and compressor-isolation switches. Other features include front and back service-access panels that allow side-by-side installation, staggered top water connections, and DDC controls with 11 safety protections for the refrigeration circuits. ClimateMaster Oklahoma City Free information: Circle 115
Tranquility TMW series:
EDITORS’ CHOICE
• Modular water-to-water heat pumps • Available in 30 tons and 50 tons • Use EarthPure refrigerant units
air allows the phase-change material to re-solidify and release the heat into the space. The materials change from solid to liquid at 75.2 F.
Tate Jessup, MD Free information: Circle 117
Integrated controllers, sensors FlexStat line of integrated BACnet controllers and sensors can be used for standalone control of mechanical equipment, small-building automation, or as part of a larger BACnet network. The 12x series has inputs for six external sensors and firmware that gives options for a remote-space temperature sensor. The 13x includes a built-in CO 2 sensor and demandcontrol ventilation sequences and uses Automatic Background Logic, a self-calibration technique. KMC Controls New Paris, IN Free information: Circle 116
Phase-change panel EcoCore phase-change raised-floor panel uses microencapsulated phase-change materials to reduce indoor-air temperature fluctuations. During peak solar load, the material embedded within the welded-steel panel melts and absorbs energy. The stored energy is held within the panel until cold
Grooved piping AGS advanced-groove system, large-diameter mechanical piping is a two-piece coupling available in sizes as large as 60-inches in diameter. According to the company, the system offers fast and simple installation over couplings with multi-segment housings. The piping has a pressure rating to 350 psi/2,410 kPA with a 3:1 safety factor. Victaulic Easton, PA Free information: Circle 119
In-floor radiator Wall-mount faucet M•Dura two-handle, wall-mount bar faucet provides a space-saving solution for food-service applications. Sturdy metal construction, a chrome finish, and tamper-proof Torx screws reduce opportunities for vandalism. Heavy-duty ceramic disc cartridges, with internal stops, prevent misalignment and provide reported complete shutoff. Models are available with or without a spout. Lever handles are ADA compliant. Moen Commercial North Olmsted, OH Free information: Circle 118
Micro Canal in-floor radiator provides a small, yet powerful, heat exchanger that operates with quiet fans. Only 6-inches high and 13-inches wide, the unit generates heat while remaining responsive to changing temperatures. A heating option for limited space, a height-adjustment system allows the stainless-steel grille to be aligned with the floor to provide a continuous look. Jaga Climate Systems Waterloo, Ontario Free information: Circle 120
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products HVAC & PLUMBING
Evacuated-tube solar collector Installation-ready coupling Figure 640 pivot-bolt rigid coupling is said to join rolled grooved, hard-drawn copper-tubing systems ten times faster than traditional joining methods and in less than half the time of other standard grooved couplings. The coupling provides a rigid joint by firmly gripping the entire circumference of the copper-tube groove. The coupling allows clear visual confirmation that the gasket is properly seated on the gasketsealing surfaces. Grinnell Mechanical Products Lansdale, PA Free information: Circle 123
AP-30C evacuated-tube solar collector is SRCC, CSA and USEC (IAPMO) certified, making it eligible for federal rebates and incentives. The collector has a stainless-steel frame and manifold casing and is able to withstand harsh environments. Mounted at only four points, the unit is said to be easy to install and offers excellent performance, even in non-optimal solar conditions. Apricus Branford, CT Free information: Circle 125
Volume water heaters Mighty Stack volume water heaters combine the companyâ&#x20AC;&#x2122;s Mighty Therm2 boiler with an 80-gallon storage tank, resulting in 199-, 300-, and 399-MBH sizes fueled by natural or propane gas. With less than 10-ppm NOx emissions, the sealed-combustion unit provides a reported 83% thermal efficiency and meets low-lead requirements. The unit has a small footprint, a removable upper-boiler section, and can be installed inside or outside. Laars Heating Systems Rochester, NH Free information: Circle 121
Control damper
Conversion app ERV system EnergyX ERV energy-recovery ventilator system is available on the companyâ&#x20AC;&#x2122;s WeatherMaster 48/50 HC rooftop units. The system pre-conditions outdoor air before it enters the rooftop-unit evaporator coil and uses building exhaust air as a heat-exchange source. Carrier Syracuse, NY Free information: Circle 122 38
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MARCH 2012
KoolApp mobile app works with mobile devices that use Android and Apple IOS to provide user-friendly pressure-to-temperature refrigerant converters. The app allows users to enter exact figures or use a slide rule to obtain precise, accurate conversions based on NIST refrigerant properties and Antoine equations. The app works with 48 refrigerants, can be customized, and switches between C and F, and bar and psi. Danfoss Baltimore Free information: Circle 124
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CD-94 control damper uses double-skin airfoil blades and a flanged frame for automatic air control and manual balancing in medium-to-high-pressure applications. The damper is rated to perform at a maximum system pressure of 32.0 wg and maximum velocity of 5,000 fpm. Pottorff Fort Worth, TX Free information: Circle 126
products HVAC & PLUMBING UV disinfection An automated UV disinfection system applies only the amount of UV light required, based on HVAC usage, to deliver a reported 60% to 80% savings on electrical costs. The Phillips intelligent-disinfection wall integrates with existing building-automation systems such as BACnet. Lumalier Memphis, TN Free information: Circle 129
Air purifier GeneralAire PCO2450 VectorFlo UV air purifier uses the VectorFlo semiconductor design to provide a high-performance kill rate. The unit creates a low-pressure zone around a high-output UVC germicidal lamp. Airborne germs, bacteria, and gaseous contaminants are slowed in the air stream, increasing the exposure time interval in the photocatalytic air-purifying process. General Filters Inc. Novi, MI Free information: Circle 127
Universal, rough-in valve GrohFlex universal valve system accommodates a variety of shower applications. A one-size-fits-all, rough-in box is used with the companyâ&#x20AC;&#x2122;s bath solution kit. Connections to the water supply are made through the box, reportedly eliminating leaks inside the finished wall. Authentic, Timeless, and Cosmopolitan styles are available in chrome, brushed-nickel, polished-nickel, and oil-rubbed-bronze finishes. Grohe New York Free information: Circle 128 For free information, circle 214
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products HVAC & PLUMBING
Shower pan
Technical-support website Exhaust fan Model AK100D dual-speed Quiet series exhaust fan has a low-profile grille design that is said to almost disappear into a ceiling, along with a metal housing and duct collar. A spring-loaded, back-draft damper prevents drafts from entering the room through the ducting. An electronically balanced centrifugal blower wheel provides maximum ventilation with minimum sound. Air King West Chester, PA Free information: Circle 130
The companyâ&#x20AC;&#x2122;s technical-support website is said to deliver information quickly and efficiently. Product applications and installation questions are addressed. The site contains downloadable technical literature, a FAQ section, and a troubleshooting section. Noritz America Fountain Valley, CA Free information: Circle 132
Project Stone shower pan reportedly provides seamless design for a renovated shower. An existing drain does not need to be re-plumbed as the pan goes over the drain, using a trench drain sloped to provide easy water flow. The unit is a molded, solid-surface material with stainless-steel filter and low-profile design. Belstone Los Angeles Free information: Circle 134
Pre-sloped shower pans Hydro Ban pre-sloped shower pans reportedly eliminate traditional mud-bed installations. The pans include a factory-installed drain assembly. Drains can be modified on-site to adjust measurement variations. Laticrete International Inc. Bethany, CT Free information: Circle 135
HVAC-system cleaning Compact heat pump
Dual-flush, hands-free valve
Versatec base water-source heat pump for water loop and geothermal applications exceeds ASHRAE 90.1 efficiencies and uses R410a refrigerant. Available in a wide range of capacities, the units use a reciprocating single-capacity compressor, paired with a PSC blower motor, to ensure quiet operation and a range of airflow selections. Units have a small footprint and have ThermaShield coating to protect against condensation. WaterFurnace International Inc. Fort Wayne, IN Free information: Circle 131
Selectronic dual-flush toilet valve releases a 1.1 gpf light flush when motion is detected for less than 60 seconds. A standard 1.6 gpf volume is used when motion is detected for 60 seconds or longer. The hands-free system uses a watertight miniature sensor and wireless program controller that are said to operate on all fittings in the line. Sensor range is factory pre-set and can be adjusted on site manually or by remote control. American Standard Piscataway, NJ Free information: Circle 133
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COMMERCIAL BUILDING PRODUCTS
MARCH 2012
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The Quick Cleansing line cleans HVAC systems, including coils, condensate pans, and system interiors. Fast Attack is an EPA-registered concentrated-iodine sanitizer for interior surfaces, removing algae, fungus, bacteria, and mold. Instant Powder Keg is a powder that is said to remove buildup from all coils. Instead of diluting the product, it is mixed with water to the desired strength. Clean Bond is a concentrated liquid cleaner that reportedly removes buildup and grease from metal surfaces and acts as an additional adhesion agent. Controlled Release Technologies Inc. Shelby, NC Free information: Circle 136
products EXTERIORS EDITORS’ CHOICE
TPO roofing
EverGuard Freedom TPO roofing uses RapidSeam technology with enhanced adhesion. The roofing is said to be faster to install than conventional taped seams, water-based adhesives, and solventbased adhesives. Use of the membrane is said to eliminate more than 95% of field seam preparation. Used with the company’s StormSafe anchor sheet, RapidSeam is said to virtually eliminate the need for hot-air welding. In addition to quick application, the roofing has no fumes and an energy efficiency that exceeds the requirements of California Title 24. It also requires no open flames, hot asphalt, or solvent-based adhesives. GAF Wayne, NJ Free information: Circle 50
EverGuard Freedom TPO: • Uses RapidSeam technology for enhanced adhesion • Eliminates more than 95% of field preparation • Exceeds requirements of California Title 24 electricity. The company’s solar PV options include thinfilm laminate for a building-integrated roof, and poly- or monocrystalline tilt, and direct-mount systems. Kingspan Insulated Panels Deland, FL Free information: Circle 52
Fire-code joists The company’s Trus Joist TJI line includes Flak Jacket protection, a coating applied to the joists to enhance their fire resistance. The product does not require special tools or training. Joists can be cut and drilled as usual with standard hangers for installation. In multi-family buildings, the product provides a 1-hour fire-rated assembly with a single layer of gypsum. Weyerhaeuser Federal Way, WA Free information: Circle 54
Rainscreen drainage, ventilation WaterWay rainscreen drainage and ventilation mats use a filter fabric that is said to prevent water penetration and provide a perm rating of 247. The fabric keeps walls dry and ventilates the underside of cladding to accelerate evaporation of any incidental moisture. Stuc-O-Flex International Inc. Redmond, WA Free information: Circle 51
Pigment system
Architectural-paver edge
Solar roofing solution Powerpanel solar-roofing solution is said to combine the thermal performance benefits of the company’s KingZip insulated standing-seam roof system with the power of the sun to generate on-site, renewable
ColorFast pigment system for building facades integrates 16 pigments to offer a range of bright colors. Providing fade resistance, enhanced opacity, and increased water resistivity, the pigments are VOC and APEO free. Parex USA Inc. Anaheim, CA Free information: Circle 55
The company’s Edge 400 edge restraint for paver systems is made from UV-resistant, 100% recycled material and allows curves, radii, and straight edges with a flexible piece. With a strength rib and low profile, the product can be used for thin-paver applications. Used with the company’s edging spikes, installation is said to be quick and simple. With an open base, soil can be backfilled and grass will grow through the voids in the edging and up to the paver edge. Hanover Architectural Products Hanover, PA Free information: Circle 53 Get free product information at www.cbpmagazine.com
MARCH 2012
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products EXTERIORS Rainscreen support system
Stair-lighting solution The company’s outdoor and indoor StairLighting system uses LED displays that illuminate individual steps. The lights are attached by plugging together each fixture’s A into B connectors. Interior systems provide options for battery-backup emergency lighting. I-Lighting North East, MD Free information: Circle 56
Protective/marine coating PSX One one-component, acrylic-siloxane coating is said to provide color and gloss retention in a lowVOC formula that can be applied by brush, roller, or spray. For inland marine, petrochemical, water, and wastewater applications, the coating is a high-gloss, non-isocyanate product that complements the company’s line of siloxane coatings. The coating provides abrasion resistance, cure-temperature flexibility, and surface tension to minimize rust or dirt streaking. PPG Industries Inc. Pittsburgh Free information: Circle 57
Driveway monitor A wireless driveway monitor detects a vehicle entering or leaving a driveway. Solar and battery models are also available. A sensor is mounted next to a driveway and the receiver plugged in to an inside electrical outlet. People, animals, and shadows will not trigger the sensor. A sensor can be placed as far as 1,000 feet away from a receiver. Safety Technology International Inc. Waterford, MI Free information: Circle 59
MTE maximum thermal-efficiency support system for the company’s Argeton terracotta rainscreen is said to eliminate the continuous aluminum rails traditionally used to hold insulation materials in place. The system uses a point-penetration method rather than continuous channels, allowing insulation to form around a bracket, creating a tight thermal barrier. The design allows a rail to be placed outside of the insulation plane and not penetrate the thermal barrier. Brackets are available in a variety of depths. Telling Architectural Systems Cranston, RI Free information: Circle 62
Copper shingle Leonardo CU shingle uses APP modified bitumen and copper. A built-in waterproofing membrane keeps the shingle flexible to conform to the unique contours of most roof designs. The shingle is also available with a zinc-titanium face and in a scalloped design. Brai-Cost Oakbrook Terrace, IL Free information: Circle 60
Exterior shades
Coil-coated panel Green pavers Vast pavers use a grid system to reportedly allow fast installation. Available in five colors, the pavers are lightweight and stain, impact, and scratch resistant. The product can be cut using a regular miter or jig saw and contains as much as 95% post-consumer content. Azek Building Products Scranton, PA Free information: Circle 58 42
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MARCH 2012
Reynobond, with EcoClean, is a coil-coated architectural panel that helps clean itself and the air around it. Using Hydrotect technology, titanium-dioxide particles break down nitrogen oxides and other organic matter in the air near the panel surface while turning the face of the panel into a hydrophilic surface that is slick in the presence of water. The coating can be used on a broad palette of paint colors and finishes. Alcoa Architectural Products Eastman, GA Free information: Circle 61
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FlexShades exterior shades provide window protection while preventing most solar energy from entering a building. Motorized versions can be positioned to block unwanted sunlight and heat with a variety of control options or can be integrated into building-automation systems. Heavy-duty cable guides or side channels secure the shade fabric in an aluminum headbox. Crank or clutch operation is also available. Draper Inc. Spiceland, IN Free information: Circle 63
Roofing specification software A web-based version of the company’s CertaSpec roofing specification software includes updated LEED information and the ability to create customizable accounts. Once specifications are finalized, the system generates submittal package materials that can be printed, emailed, or saved electronically. CertainTeed Corp. Valley Forge, PA Free information: Circle 64
products EXTERIORS
Solvent-free waterproofing Kemperol 2K-PUR is a solvent-free, fleece-reinforced and liquid-applied waterproofing system based on polyurethane resin. The odor-free product can be used on roof decks and gardens, plazas, balconies, and terraces, and for indoor areas such as bathrooms and kitchens. The system is root and rot resistant, according to FLL testing. Applications also include hospitals, schools, and healthcare facilities. Kemper System America Inc. Closter, NJ Free information: Circle 65
Deep green-roof module The companyâ&#x20AC;&#x2122;s Maxx module measures 1 foot by 1 foot by 3 1/4 inches for green roofs with soil depths to 8 inches. The module meets requirements of codes and regulations that call for 8 inches of planting medium and allows use of tall, dramatic plants, such as drought-tolerant grasses. LiveRoof Spring Lake, MI Free information: Circle 66
Site Furniture
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products EXTERIORS
Acrylic finish Security roof hatches
Solar installation clamps
Security series roof hatches prevent unauthorized access into a building from the roof level. Hatches are constructed of heavy-gauge materials and have manganese hinges to resist prying and forced entry. A keyed cylinder or detention lock prevents the unit from being opened. The Bilco Company West Haven, CT Free information: Circle 67
Pre-assembled module clamps, with WEEB washers, are approved for portrait-orientation use with the Arista monolithic rooftop racking system. The clamps also provide grounding for the PV modules. WEEB washers use teeth to break the anodized layer of the module frame and provide a gas-tight connection. Cooper B-Line Highland, IL Free information: Circle 68
AquaSol enhanced DPR acrylic finish and coating uses hydrophobic and photocatalytic technology. Buildings with the coating are cleaned with rain or any water source. As water hits the finish, it beads off the exterior wall and takes with it dirt or soil. The photocatalytic properties initiate an oxidation process that decomposes organic and inorganic pollutants in the environment. Parex USA Inc. Anaheim, CA Free information: Circle 69
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products WINDOWS & DOORS EDITORS’ CHOICE
Solar-control glass SunGuard SNR 43 provides a high light-to-solar-gain ratio and low solar-heat-gain coefficient (SHGC). With a visible light transmission of 43%, the material’s SHGC is said to be 0.23 on clear float glass. The glass is available on five float-glass substrates: clear, UltraWhite low iron, CrystalGray, green, and TwilightGreen. Guardian Industries Corp. Auburn Hills, MI Free information: Circle 70
SunGuard SNR 43: • 43% visible-light transmission • Solar heat-gain coefficient of 0.23 • Available on five substrates include electronically controlled backcheck, sweep, and latch; onboard power supply; and activation options for wall switches and presence detectors. Applications include public restrooms, restaurants, offices, and healthcare facilities. Norton Door Controls Monroe, NC Free information: Circle 74
Multi-wall sheet Macrolux IR multi-wall polycarbonate sheet offers high light transmission for natural lighting with thermal insulation. The 16-mm product can be incorporated into skylight glazing. The company’s polycarbonate line also includes Rooflite corrugated sheet, BDL standing-seam modular panels, and Modulit vertical glazing systems. Co-Ex Corp. Wallingford, CT Free information: Circle 71
Sunshade platform Versoleil SunShade platform offers, in addition to a single-blade system for curtain wall, Outrigger for curtain walls and storefronts and single-blade for storefronts. The systems are said to incorporate into any building envelope. Engineering of common parts and pieces reportedly allows easy fabrication and installation with a uniform attachment. The products withstand wind, snow, and dead loads. Kawneer Co. Inc. Norcross, GA Free information: Circle 73
Architectural casement window Evolution 8800 in-swing casement window has a 2 5/8-inch jamb depth and a 0.093-inch wall thickness. A continuous master-frame option allows multiple units to be combined horizontally or vertically. The window is available in large sizes to 48-inches wide and 80-inches high. The series is AAMA tested for strength and weather resistance of AW-PG100-C. Crystal Window & Door Systems Flushing, NY Free information: Circle 72
Custom doors
Low-energy operator The 5600 series low-energy door closer combines a door-closer function with operator control to meet ADA requirements. The non-handed unit uses pullside mounting and provides quiet operation. Features
Imported from The Netherlands, custom-designed sliding-door systems can be used as room dividers, glass walls, storage enclosures, or a simple closet door. Architectural glass can be incorporated into designs. The glass is laminated with an interlayer of high-resolution graphics, unique to the project. Noteborn USA Lynn, MA Free information: Circle 75
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products WINDOWS & DOORS Garage-door alert STI-34300 wireless Sentry alert provides open/closed status of a garage door. The unit includes a battery-operated sensor and fourchannel receiver. Range is 1,000 feet. An eight-channel receiver can be triggered from eight individual alert sites. Safety Technology International Inc. Waterford, MI Free information: Circle 76
Light-shelf system
ARCHITECTURAL HARDWARE
BrightShelf light-shelf system uses an ogee curve to catch sunlight at different points as the sun’s angle changes throughout the year. The curve is said to capture greater amounts of light for broader time periods and diffuse it further into a room. Made of 100% recyclable material, the device uses a bracket system to bring the shelf closer to a window for a clean look. Hunter Douglas Contract Poway, CA Free information: Circle 77
Insulated windows Additions to the company’s EnergyCore line of fusion-insulated window products include a horizontal slider, tilt single-hung, and side-load single-hung. Available in a variety of frames, the products use designs that isolate the AirCell insulation for sash weeping and include a fixedinterlock with triple weather-stripping contact points. Quanex Building Products Houston Free information: Circle 78
FFire-protection glass A wealth of experience, coupled with the large selection of architectural aluminum products enables you to design, create and build with complete confidence!
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P Pyrostop fire-protection glass is available for a variety of architectural applications where building codes require fire-resistant products. A b bbrochure explains how the glass performs in a fire and a why it is said to be the highest-quality firerrated glass product. Pilkington North America P TToledo, OH Free information: Circle 79 F
Router-carved interior doors Router-carved, MDF interior doors are available in the Bolection, Carte Blanche, and CYMA collections. The CYMA line features 65 standard designs. The Bolection line offers custom door designs. Masonite Tampa, FL Free information: Circle 80
products BUILDING TECHNOLOGY and prevention guidelines with other agencies and organizations. Messages can be sent from a web browser or mobile device, including RSAN mobile applications. Cooper Notification Long Branch, NJ Free information: Circle 85
EDITORS’ CHOICE
Emergency-communication tools
Keyless entry XS4 keyless-entry keypad is an addition to the company’s line of stand-alone RFID locks. Designed for doors where normal escutcheons cannot be fitted or are not permitted, the electronic device increases security and control with various forms of authentication. Users may employ a credential plus PIN code, keypad code, or credential only. All versions are compatible with the company’s SVN virtual network and are available in a wireless version for online, real-time control. Salto Systems Atlanta Free information: Circle 81
XS4 keypad: • Keyless entry • Designed for doors where escutcheons cannot be fitted
• Various authentication capabilities
Online project management COOL (Construction Online) website provides access to construction services such as print reviews, sample tests, warranties, and real-time progress reports. Users may also receive documentation sent directly to them, ask questions, and access information for their project 24/7. Dow Corning Midland, MI Free information: Circle 82
The FocalPoint family of graphic workstations includes a touchscreen monitor, high-speed desktop unit, and two mobile tablets to provide managers and first responders with real-time information and systems control. The system provides bird’s-eye views, including floor-by-floor layouts of all monitored facilities and their fire alarms, and ECS’ major components. The interactive displays automatically zero-in on devices in trouble or alarm, providing realtime information on the event and its location. Gamewell-FCI Northford, CT Free information: Circle 83
Outdoor IR camera SNO-7080R outdoor, 3-megapixel network-video-surveillance camera has an IR range of approximately 100 feet in total darkness. Using a 2.8X varifocal motorized zoom lens, the unit captures 16:9 full HD images at 1,920 x 1,080 pixels, with wide dynamic range. IP66 rated for severe weather, the camera can be powered using PoE and 24 VAC. Several resolution options are available, with the ability to transmit as many as six profiles for viewing and recording. Samsung Techwin America Ridgefield Park, NJ Free information: Circle 84
Health-alert network An addition to the company’s Roam Secure Alert Network, RSAN HAN health-alert network meets the interoperable notification needs of public health agencies and complies with the Centers for Disease Control and Prevention’s Public Health Information Network 2.0 requirements for cascade alerting. The system provides a secure method for sharing in realtime health alerts, response plans, disease incidents,
Automatic transfer-switch control The company’s RTS series 30-cycle-rated and 3-cycle-rated automatic transfer switches are equipped with the company’s RPTCS microprocessor automatic transfer-control system. Along with standard features, each system is factory programmed to include customer-specified options. An interactive menu guides users through controller setup and entering configuration data including communications and timing set points, adjustable control parameters, and event logging. Russelectric Hingham, MA Free information: Circle 86
Seismic-certified power switching ASCO power-transfer switches meet the IBC 2012 standard ground acceleration requirement of 2.50. IBC editions since 2000 require that critical mechanical, electrical, and plumbing equipment operate after a simulated seismic event. Equipment was fully cabled throughout shake-table testing. Emerson Network Power Florham Park, NJ Free information: Circle 87
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products INTERIORS
Rubber flooring with natural stone Noraplan Unita rubber floor covering integrates real granite chips into the flooring. Visually resembling concrete, the material provides the durability and performance of rubber. The flooring is available in sixteen colors, named after mountain peaks and ranges worldwide, that comprise the natural color palette that supports the design effect. While each color uses real granite chips, four feature a glitter effect. Applications include public areas providing a sophisticated aesthetic along with durability. The flooring is available in 2-mm rolls and is Greenguard Indoor Air Quality Certified for Children and Schools. Nora Systems Inc. Salem, NY Free information: Circle 88 EDITORS’ CHOICE
Noraplan Unita: • Rubber floor covering integrated with real granite chips • Provides durability with sophisticated aesthetic • Available in sixteen colors
of applications. The company uses a European technology to recycle polyethylene-coated cartons, cups, and their components into building materials. The process does not use added glue, water, or chemicals. The ReWall Co. Des Moines, IA Free information: Circle 91
Curtain-wall fire-containment system A perimeter fire-containment system uses the company’s No Backer Bar design, allowing thicker mineral-wool insulation without increasing mullion depth, providing additional R-value. The system uses components of the Impasse system, designed to use fewer insulation hangers than traditional systems. FireLedge is a pre-fabricated mineral-wool piece that provides additional support and fire resistance. Thermafiber Inc. Wabash, IN Free information: Circle 90
Sustainable tile flooring Raffia is a non-PVC, Biobased Tile (BBT) that combines traditional and original visuals. The product’s 12-inch by 24-inch format offers a linear visual in tonal steps, using the company’s Continuum color and design system that uses a tonal step system and cross-connected colors with different product types to optimize color selections. The tile also contains recycled content. Armstrong Commercial Flooring Lancaster, PA Free information: Circle 89 48
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
Recycled building materials The company’s line of 100% recycled building materials provides an eco-friendly solution. Boards and ceiling panels are available for a wide range
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Ready-mixed joint compound Sheetrock UltraLightweight ready-mixed, allpurpose joint compound is reported to weigh as much as 40% less than traditional compounds. With high performance in ease of application and finish appearance, the product creates a durable surface and strong bond when used with the line’s paper joint tape. According to the company, the compound produces less cratering in the finish and is easy to sand. A 4 1/2-gallon pail weighs about 35 pounds. USG Corp. Chicago Free information: Circle 92
products INTERIORS
Communication board View, part of the company’s Additions line, is a customizable, wall-mounted communication center. With a choice of corkboard, dry-erasable/magnetic lens, or a combination of the two, the product’s printed insert provides a range of messaging. The board is available in a variety of sizes, orientations, and finishes. Takeform Medina, NY Free information: Circle 93
Modular MRL elevator MMRL modular machine-room-less elevator is a fullsized commercial elevator that is a self-contained, freestanding unit with a weight capacity of 3,500 pounds. The unit is gurney compliant and travels at 350 feet/minute. Suitable for structures taller than five stories, the elevator eliminates the need for a separate equipment room and requires less space. Modular Elevator Mfg Inc. Chatsworth, CA Free information: Circle 94
Metal-wood panels Metalwoodz wood-toned, solid-core aluminum panels provide a dramatic surface laminate or can be used as a rigid architectural product. The series includes four colors: Honduran mahogany, Brazilian cherry, English walnut, and European beech. Sheets are available in 4-foot by 8-foot or 4-foot by 10-foot panels at 0.04-inch thickness. Finishes include gloss, satin, or high traffic. Moz Designs Oakland, CA Free information: Circle 96
Portable fan Yellow Jacket is a portable or mountable fan that is said to take abuse and stay in use. The fan has adjustable speed settings and provides quiet operation with a large coverage area. The fan has a limited lifetime warranty. Big Ass Fans Lexington, KY Free information: Circle 97
Premium Access Solutions & Services
Tile-installation system LokDots pressure-sensitive adhesive system is used with the company’s EcoWorx carpet tile as a non-toxic, odorless alternative to wet-adhesive installation. Applied using a triggerless, handheld applicator, the adhesive uses a reported 97% less material than wet adhesive and allows immediate occupancy. The system can be installed over concrete, VCT, VAT, cutback, raised-access floors, pressure sensitive and multi-purpose adhesive, and wood. Shaw Industries Group Dalton, GA Free information: Circle 95
DORMA By Choice™
DORMA provides innovative premium products, indepth technical support, and exceptional customer service — all supported by an extensive training and educational program. DORMA has earned a widespread reputation for offering products that safely and reliably provide convenience and security for commercial and institutional openings. Visit www.dorma-usa.com or call 800.523.8483. Locks · Exits · Access Control · Low Energy Operators · Closers · Sliding Door Hardware
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products INTERIORS
Resilient flooring Floorworks Strip Wood collection is available in six colors. The LVT planks are said to feature the benefits of resilient flooring with a hardwood look. Mats Inc. Stoughton, MA Free information: Circle 102
Zero-VOC VOC paint it Mythic paint, a non-toxic, zero-VOC paint is available in two lines. Mythic Pro is a high-performance paint formulated specifically for contractors and Mythic Black Label is a luxury paint and primer that is said to provide a superior finish with fewer steps. Southern Diversified Products Hattiesburg, MS Free information: Circle 98
Ceiling-grid systems HRCmax high-recycled-content ceiling-grid systems use 65% recycled steel in their suspensiongrid components. Premium Ultraline, Professional Tempra 4000, and the Standard 1200 system each have a LEED RC value of 58. The systems use double-web construction for increased strength and durability. Chicago Metallic Corp. Chicago Free information: Circle 100
Locking-tile system Creation Clic high-traffic, vertical-click flooring system uses a fiberglass grid to provide stability. The 6-mm-thick LVT wood-plank interlocking system has a 0.7-mm wear layer and beveled edges for applications in retail, healthcare, or hospitality spaces. The flooring is available in classic, rustic, and washed woods. Gerflor Arlington Heights, IL Free information: Circle 99 50
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
Expansion-joint xpansion joint cover system The company’s 807 standard cover-plate expansionjoint system accommodates various flooring thicknesses and finishes from carpet to VCT. An overlap design also reduces the product’s sightline. According to the company, the replacement covers deliver a quick fix with most switch-outs completed in a few hours. InPro Corp. Milwaukee Free information: Circle 103
On-line floor design Decorative laminate Additions to the company’s tactile surfaces include the Burlap collection, recycled banana fibers in the Abaca collection, a coarser Rift-Grain finish, and a Corrugated finish. Lamin-Art Schaumburg, IL Free information: Circle 101
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An interactive program allows users to envision and design a Herculan synthetic-floor system. Choosing from a variety of flooring and line accent colors, systems can be designed for athletic facilities. Fourteen main flooring colors can be paired with eight accent line colors. Action Floor Systems Mercer, WI Free information: Circle 104
products INTERIORS
Mobile website The companyâ&#x20AC;&#x2122;s website offers the ability to specify, design, or purchase products. Information is available on products including Hiny Hiders, Resistall partitions, and Tufftec lockers. A Color Visualizer allows a wide variety of colors and textures to be instantly applied to an actual room set-up. The website is mobile and iPad compatible. Scranton Products Scranton, PA Free information: Circle 105
Flooring panels Edge Gold flooring panels have a fastening template for simplified nailing. Pre-printed dashes guide fastener placement. The panels have a proprietary edgeseal formulation that is said to significantly reduce edge swell and a no-sand guarantee to 200 days. Weyerhaeuser Federal Way, WA Free information: Circle 107
European leather Tango is a full-grain aniline through-dyed leather with a hand-applied, two-tone tipped grain effect with a soft touch. With a durable, protective finish, the leather is suitable for hospitality, contract, aviation, and luxury environments. Using environmentally friendly techniques, the hides are re-tanned in oak drums using vegetable agents, natural fat liquors, and oils. Water-based finishes are applied to provide even coloration and protection. Green Hides Leather Studio Greensboro, NC Free information: Circle 160
Ceiling coating AirGuard coating for ceiling tiles is said to actively remove formaldehyde and other aldehydes from indoor air. Available on the companyâ&#x20AC;&#x2122;s Ultima ceiling panels, the coating converts naturally occurring and man-made formaldehyde, present in interiors, into an inert substance permanently captured by the ceiling. The coating can contribute to LEED credits. Applications include healthcare and school settings. Armstrong Ceiling & Wall Systems Lancaster, PA Free information: Circle 106
Laminated glass PIX Earth collection is a series of laminated-glass patterns that have the visual appearance of a natural material. Earth Wood is a wood veneer that allows architects and designers to use an otherwise delicate and exotic species as cladding for building exteriors or in high-traffic locations. Digitally printed on an interlayer encapsulated in glass, Wood is available in 13 veneer species, can be stained a custom color, and is available in sizes to 96 inches by 180 inches. The material is highly resistant to stains and scratches, will not fade, and can be used for furniture and other interior applications. Pulp Studio Los Angeles Free information: Circle 108 For free information, circle 219
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products INTERIORS natural travertine and wood. The textured surface can be combined with different shades for a unique installation. The line includes bullnose trim pieces and a decorative mosaic blend for inspired creations. The tile is available in various sizes and three colorsâ&#x20AC;&#x201D;walnut, oak, and almond. Bellavita Tile Vancouver, British Columbia Free information: Circle 112
FF&E Specifier
Lounge additions Additions to the companyâ&#x20AC;&#x2122;s Villa lounge line include privacy backs and crescent units, multiple storage and power/data/USB options, and youth pieces. Crisp design lines provide separation for efficient space division. A full range of upholstery and leather options is available. Kimball Office Jasper, IN Free information: Circle 109
Versatile furniture collection Suited for modern or traditional interiors, the 20-piece Collaborate furniture collection features crisp, clean lines. The crossover chair can be specified for corporate, hospitality, residential, institutional, or healthcare projects. The series includes a pull-up and lounge chair with coordinating tables available as oval, round, or square. The chairs have three base options: four legs, four star, or a disc. All seating features a 180-degree, self-returning swivel. Tables have two base options. Tabletops are available in marble, wood, or laminate. The company expects the collection to be certified by Level II and Greenguard. Haworth Holland, MI Free information: Circle 110 52
COMMERCIAL BUILDING PRODUCTS
MARCH 2012
Modern bath furniture The Casanova, part of the Vanity Flair line of vanities and cabinets, features recessed hardware, an aluminum base, and a travertine top with an integrated sink. The unit is customized with a linen hamper, hair dryer/curling iron holder, and an internal power option. The drawer system is a combination of stainless steel, rift-cut oak, and frosted glass. It is available in 30 finishes in standard sizes from 24 to 72 inches, with custom sizes available. The optional semirecessed, lift-up medicine cabinet provides 12 inches of storage but only protrudes 8 1/2 inches. Internal lights turn on automatically, while the external lighting has three different power settings. The Furniture Guild Canton, GA Free information: Circle 111
Wood-look porcelain tile Traverwood porcelain tile has the look of natural wood flooring with the durability and ease-of-maintenance of tile. The look is a hybrid cross between
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Architectural sconces Available in round, triangular, and rectangular shapes, Galileo LED sconces offer a variety of styles and sizes from 11-inches to 51-inches tall. More than 30 cage designs are available, designed for outdoor and indoor use. The Phoebus sconce has a half-round diffuser, four-bar configuration, and a Perfex perforated insert. Eclipse Lighting Schiller Park, IL Free information: Circle 113
products LIGHTING & ELECTRICAL EDITORS’ CHOICE
Decorative LED fixtures
The Sylvania line of decorative LED fixtures is an expansion of the company’s solid-state lighting products. Fixtures offer a traditional appearance while using energy-efficient technology. Featuring a plug-n-play design, the products are said to offer simple and easy installation with no external power supply or complex wiring required. Available in the line are outdoor, ceiling-mount, sconces, pendants, and track fixtures, all with an upgradeable and replaceable LED light engine. Osram Sylvania Danvers, MA Free information: Circle 137
Decorative LED fixtures: • Traditional appearance with energyefficient technology
• Plug-n-play design • Variety of styles
compound. Available in sizes from 14 AWG to 750 MCM, with outer dimensions ranging from 0.120 inches to 1.136 inches, the product is available in reels of 1,000, 2,000, 2,500, and 5,000 feet. Cerro Wire Hartselle, AL Free information: Circle 139
Outdoor lighting Expanding the company’s outdoor lighting line are accessories including a photocell, emergency battery backup, and wire guards. The wire guards can be used with all MaxLED standard wallpacks. The battery backup system operates fixtures for 90 minutes. The photocell activates when the light level drops below 20 lux and turns off when the level reaches 30 lux. MaxLite West Caldwell, NJ Free information: Circle 138
Insulated wire XHHW-2 cross-linked, polyethylene-insulated copper conductors have a SLiPWire jacket and True Sequential Footage. Applications include conduit or raceways for service, feeder, and branch circuit applications. The insulated wire requires no pulling
LED arrays
High-ceiling LED
LS, ES, and RS LED arrays are said to deliver an increase in efficacy of as much as 30%. The products provide optical and mechanical compatibility with previous product generations and offer system design flexibility to achieve Energy Star, Title 24, Part L, and other efficiency standards. Arrays are available in color temperatures from 2,700 K to 5,600 K with three SDCM color-control options. Bridgelux Inc. Livermore, CA Free information: Circle 140
The company’s 112-W LED replaces conventional incandescent and metal-halide light sources in a wide variety of applications. An optional diffuser for low-glare and uniform light distribution is available. The luminaire is said to provide 8,900 lumens using a Cree LED and advanced thermal technology. Applications include warehouses, gyms, malls, stadiums, and general area lighting. Meteor Solar LED/ILOS Corp. Los Angeles Free information: Circle 141
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MARCH 2012
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products LIGHTING & ELECTRICAL
LED track luminaires LED outdoor fixtures
Elegant pendant Eric glass pendant has a burnished-amber or frostywhite finish and measures 9 7/8-inches long with a 2 1/2-inch diameter. Also available as a sconce, the luminaire offers a range of mounting options including rail, track, canopy, or the companyâ&#x20AC;&#x2122;s quick-jack system. Light sources include 40-W G9 line, 60-W E12 candelabra base, and 50-W bi-pin low voltage. Nora Lighting Commerce, CA Free information: Circle 142
GranVille II LED luminaires are available with classic or premier prismatic-glass optics. The luminaires are said to provide HID light levels with low glare, less uplight, and less light trespass. Multiple-lumen packages are available and fixtures have asymmetric or symmetric distributions. Holophane Granville, OH Free information: Circle 144
Hornet LED line of low-voltage track luminaires is a replacement for 50-W halogen fixtures. With a palmsized footprint, the product offers a variety of beamspread distributions for controlled accent lighting in a 3,000-K white light. White, black, and silver texture finishes are standard; custom colors are available. Amerlux Fairfield, NJ Free information: Circle 147
Dimming alternative Half-Light controllers provide independent control for multiple-ballast light fixtures from a single existing wall switch. The controllers are said to be compatible with fluorescent and HID lamps. HAF2 two-stage controller works with a two-ballast, four-lamp fixture where each ballast controls two lamps. An initial toggle-on activates one ballast to produce 50% light. By toggling off and on again, both ballasts are activated for full output. HAF3 three-stage controller is available for a six-lamp fixture. Functional Devices Inc. Russiaville, IN Free information: Circle 145
Step, wall lights LEDme step lights have a sleek profile and provide safety lighting on indoor and outdoor stairs, walls, and other pathways. Available in horizontal and circular scoop designs for a clean-look installation, they are said to be easy to retrofit on a single-gang rectangular junction box. The luminaires provide a wide beam angle and are available in white, bronze, and brushed-nickel finishes. WAC Lighting Garden City, NY Free information: Circle 143 54
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MARCH 2012
Cable tray A double-tier, hand-bendable cable tray to manage MC and Datacom cables in one code-compliant system is available. The tray is designed for concrete deck installations with or without integrated concrete pins for loaded-shot installation. Snake Tray Bay Shore, NY Free information: Circle 146
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LED candelabra bulbs A line of LED candelabra lamps replaces traditional styles used in chandeliers and other fixtures. According to the company, the LED has the warmth and look of incandescents while offering a 90% energy savings. Bulbs have a standard E12 candelabra base and are available in clear or frosted designs in torpedo and flame tips. NxGen Technologies Yardley, PA Free information: Circle 148
products LIGHTING & ELECTRICAL LED streetlights LEDway SLM single-light module and SLM IP66 are low-profile LED luminaires that replace traditional cobrahead systems along streets. The products use scalable light modules to replace 70- to 250-W HPS heads and use NanoOptic technology for lighting performance. BetaLED Sturtevant, WI Free information: Circle 151
LED flat-panel downlight Slim wall sconce Celestial is an addition to the Galileo line of solidstate, LED sconces. The luminaire has a square-bar decorative aluminum frame with perforated insert and central bar extending beyond both ends of the diffuser. For indoor and outdoor use, the sconce is 5 1/2-inches wide in lengths of 26, 38, and 51 inches. All sizes are ADA compliant. Eclipse Lighting Schiller Park, IL Free information: Circle 149
The OL2 series 2-foot by 2-foot LED flat-panel downlight uses the companyâ&#x20AC;&#x2122;s edge lighting with 100 LEDs spaced along two sides of the light for optimal light dispersion. Four models are available with color temperatures ranging from warm white to cool white and brightness ranges from 2,050 to 2,840 Lm. CRI is greater than or equal to 75%, with a power consumption of 45 W. Global Lighting Technologies Brecksville, OH Free information: Circle 152
Gooseneck LED fixture A 10-W LED fixture with a 100-pound-grip magnetic base and 20-inch-long, bendable gooseneck is waterproof and produces 860 lumens. Operating from 9 to 26 VDC, the versatile lighting solution offers a wide range of adjustment and placement options. Larson Electronics Kemp, TX Free information: Circle 154
Metal-halide, tubular-base lamp The companyâ&#x20AC;&#x2122;s 150-W Cera Arc CMH tubular mogulbase lamp has a UV-reducing coating and 117 lpw high efficacy, said to block 90% of UV radiation, resulting in elimination of lens yellowing and insect infestation. The 150-W model is said to deliver light levels equivalent to 250-W quartz pulsestart metal-halide lamps. EYE Lighting International Mentor, OH Free information: Circle 150
High-voltage LEDs XLamp XT-E and XM-L LEDs allow the use of smaller drivers for applications such as candelabras and retrofit lamps. XM-L delivers as much as 600 lumens in cool white. XT-E delivers as much as 300 lumens in cool white. Both have a typical voltage of 46 at binning conditions. Cree Inc. Durham, NC Free information: Circle 153
Audible-alarm GFCI An audible-alarm GFCI receptacle provides an extra level of security. In addition to the standard trip indicator light, the alarm provides an additional signal for applications where a power interruption poses a hazard. Units are available with 15- and 20-A tamperresistant duplex receptacles. Hospital-grade models are also available. Legrand/Pass & Seymour Syracuse, NY Free information: Circle 155
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MARCH 2012
COMMERCIAL BUILDING PRODUCTS
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products LIGHTING & ELECTRICAL A variety of fabrics with varying degrees of diffusion is available. Applications include ceilings, wall panels, and facades. Sefar Architecture Depew, NY Free information: Circle 157
LED drivers The LEG series of LED drivers is said to offer constant-current performance. Standard models include 75-, 100-, 120-, and 150-W. Dimmable versions are available. Standard F Can enclosures offer flexibility for series use in existing fixture designs. Thomas Research Products Huntley, IL Free information: Circle 156
Fabric framing system LightFrame uses wrinkle-free architectural fabrics biaxially stretched over a light, modular frame system for light diffusion and acoustic improvement. Modules are seamless and less than 1/2-inch apart to ensure continuous, diffused, natural or artificial light.
Outdoor decorative luminaire
Wall-plug adapter POE16R-1AF is a 15.4-W wall-plug adapter for a variety of applications including wireless and Bluetooth access points, IP telephones, or IP print servers. The product has over-voltage, over-current, over-temperature, and short-circuit protection and conforms to UL60950-2. Phihong Fremont, Ca Free information: Circle 158
Boreal outdoor luminaire has a decorative style inspired by translucent paper lanterns. Designed by Laurent Fachard, the luminaires have a laser-cut, brushed stainless-steel exterior shade that can be complemented with optional dichroic filters for effect. The fixtures are available in single- or twin-light configurations. Schreder Lighting Addison, IL Free information: Circle 159
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Photoluminescent Marking Systems
SageGlass® Dynamic Glazing Only SageGlass allows people to tint their windows on demand to control sunlight, glare and heat. It’s not just smart glass, it’s brilliant.
For safe evacuations when power fails, the new ZERO system includes directional markings and door signage, designed to show the outlines of egress paths on floors, stairs, handrails and obstacles. Using top-grade strontium pigments, the material is nonelectric, and non-toxic. The photoluminescent strips and signs feature aluminum backing with foam tape for superior adhesion to uneven surfaces, and can be mechanically fastened. We also offer photoluminescent markings, integrated into extruded aluminum profiled stair nosings and door hardware.
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advertising SHOWCASE 6RXQGSURR¿QJ 6ROXWLRQV Commercial or residential, indoor or outdoor, our unique products offer advanced sound absorption and barrier solutions.
hat Sun
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Design Flexibility with Security
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supplier INDEX
Commercial
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SERVING ARCHITECTS, CONTRACTORS, AND OWNERS IN COMMERCIAL CONSTRUCTION
Abet Laminati ............................................................. 13 .......................... 205
Gary L. Parr
Acoustiblok ................................................................ 58 .......................... 234
E xe cu t i ve V ic e Pr esiden t , C onSour ce L L C 847.382.8100 ex t .101 gpar r @ cbpmagazine.com
AIA ............................................................................... 34 .......................... 213 ASCO ........................................................................... 4 ........................... 202
Jack Curley
C.R. Laurence Co. Inc. .............................................. 46 .......................... 217
Regional Sales Manager Nor t heas t 201.569.5481 201.805.9529 cell jcur ley @ cbpmaga zine.com
Scott Cunningham Regional Sales Manager Sou t heas t , OH, IN 770.913.0115 678.576.1487 cell s cunningham @ cbpmaga z ine.com
ClimateMaster Inc. .................................................... BC ......................... 221 Cooper Lighting ......................................................... 58 .......................... 236
COMING
CPI Daylighting Inc. .................................................. 58 .......................... 232
in future issues
Dawson Doors ............................................................ 58 .......................... 233 Dorma Architectural Products ................................ 49 .......................... 218 EFCO Corp. .................................................................. 19 .......................... 208 Envirospec Inc. .......................................................... 56 .......................... 224
Jon Heng Patricia Heng
Excel Dryer ................................................................. 10 .......................... 204
Regional Sales Manager s Wes t C oas t 626.799.3610 jheng @ cbpmagazine.com pheng @ cbpmagazine.com
Flex-Ability Concepts ............................................... 58 .......................... 238 Forbo ........................................................................... 15 .......................... 206 The Green Schoolhouse Series ............................... 39 .......................... 214 Hanover Architectural Products ............................. IFC ........................ 200
Dan Burke Regional Sales Manager Mid-Sou t h, MN, W I, IL , MO 732.229.2771 dbur ke @ cbpmaga zine.com
Tracy Ryle Inside Sales, Regional Sales MI 847.382.8100 ex t . 103 t r y le @ cbpmagazine.com
LG Electronics ............................................................ IBC ........................ 220 LightDirectory.com ................................................... 56 .......................... 225
APRIL
Lightfair ...................................................................... 31 .......................... 212
Hospitality
LiveRoof LLC .............................................................. 58 .......................... 237
Lighting Technology
Major Industries ........................................................ 57 .......................... 228
Flooring MaxLite ....................................................................... 29 .......................... 211
Marga Parr Pr oduc t ion Manager 847.382.8100 ex t . 115 mpar r @ cbpmagazine.com
MAY
Mitsubishi Electric & Electronics ........................... 7 ............................ 203
Healthcare
Nora Systems Inc. ..................................................... 2 ............................ 201
Interior Surfaces
Ellen Sandkam
Building Envelope
Norton Door Controls ............................................... 27 .......................... 210 Philips Emergency Lighting ..................................... 56 .......................... 222
Lis t Ren t al Ser v ices 847.382.8100 ex t . 110 esandk am @ a t plis t s.com
Philips Lumec ............................................................. 43 .......................... 215 Russelectric Inc. ....................................................... 23 .......................... 209
Jill Kaletha
Sage Electrochromics .............................................. 57 .......................... 230
F os t er Repr in t Ser v ice 866.879.914 4 ex t . 168 jillk @ f os t er pr in t ing.com
Salsbury Industries ................................................... 51 .......................... 219 Stuc-O-Flex International Inc. ................................ 57 .......................... 231
Arthur L. Rice
Taco ............................................................................. 17 .......................... 207
C hair man / C E O 847.382.8100 ex t . 106 ar ice @ a t pne t wor k .com
P
RECYC ASE LE LE
Tjernlund Products Inc. ............................................ 57, 58 .................... 226, 235 Trim-Tex ...................................................................... 56 .......................... 223 Wausau Tile Inc. ........................................................ 44 .......................... 216
Commercial Building Products ConSource LLC 1300 S. Gr ove Avenue, Sui t e 105, Bar r ing t on, IL 60010 847.382.8100 w w w.cbpmaga zine.com
Weston Solutions Inc. .............................................. 57 .......................... 227 Zero International Inc. .............................................. 57 .......................... 229
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MARCH 2012
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portfolio T
his stairway is one of many dramatic features in the
285,000-sq.-ft. Kauffmann Center for the Performing Arts, Kansas City, MO. Architect: Moshe Safdie of Safdie Architects, Somerville, MA. Associate Architect: BNIM Architects, Kansas City, MO. Project Manager: Land Capital Corp., Shawnee Mission, KS. General Contractor: J.E. Dunn Construction, Kansas City, MO. Photo courtesy of Engineered Lighting Products Inc., El Monte, CA, and photographer Eric L. Bowers.
52 60
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MARCH JAN/FEB2012 2012
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