The addition of air curtains in the International Green Construction Code (IgCC), the new comprehensive high performance green building code, promises energy and construction cost savings for commercial, industrial and institutional buildings.
Specifying air curtains as energy-saving, cost-cutting alternatives to vestibules in 3,000-square-foot buildings and larger has been a recent trend among consulting engineers and architects. However, many times specifications are blocked by local jurisdictions that have adopted the International Energy Construction Code (IECC), which doesn't yet sight air curtains as vestibule alternatives.
Thus, the newly-enacted IgCC, which is scheduled for March 2012 publishing, now provides an approved overlay of green construction products to the base code IECC, which is overseen by the International Code Council, the Washington-based organization responsible for providing minimum safety, sustainability and affordability building codes and standards.
Recent proposals to the IgCC by the Air Movement and Control Association International (AMCA), Arlington Heights, Ill., helped establish air curtains as a vestibule alternative with the stipulation that they're tested in accordance with ANSI/AMCA Standard 220-05, "Laboratory Methods of Testing Air Curtains for Aerodynamics Performance Ratings."
Also helpful in the code modification effort were recent studies proving air curtains as 10% more energy-efficient than vestibules. The three-month research study “Air Curtains: A Proven Alternative to Vestibule Design” used second-party validation from research/validation consultant, Blue Ridge Numerics, Charlottesville, Va., with certified results from proven computational fluid dynamics (CFD) analysis.
Besides energy savings, vestibules, especially in retail settings, consume anywhere from 25 to 250 square feet of usable retail space and carry construction costs ranging from $3,750 to $37,500, based on an average of $150/square feet construction costs.
Meanwhile air curtain proponents will continue to present energy efficiency data to code committees, in hopes of instituting the vestibule alternative measure into the IECC. The next meeting on the subject is scheduled in January 2013.
Related Stories
| Aug 11, 2010
Autodesk 2010 Certification Now Available for Design Professionals
Autodesk, Inc., (Nasdaq: ADSK), today announced that design and engineering professionals can become Autodesk Certified in AutoCAD 2010, Autodesk Inventor 2010, Autodesk Revit Architecture 2010, and AutoCAD Civil 3D 2010 software. Becoming Autodesk Certified allows professionals, and companies boasting Autodesk Certified employees, to validate their industry skills and knowledge, demonstrate expertise and gain credibility.
| Aug 11, 2010
Jacobs, CH2M Hill, AECOM top BD+C's ranking of the 75 largest federal government design firms
A ranking of the Top 75 Federal Government Design Firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants
| Aug 11, 2010
Manhattan's Pier 57 to be transformed into cultural center, small business incubator, and public park as part of $210 million redevelopment plan
LOT-EK, Beyer Blinder Belle, and West 8 have been selected as the design team for Hudson River Park’s Pier 57 at 15th Street and the Hudson River as part of the development group led by New York-based real estate developer YoungWoo & Associates. The 375,000 square foot vacant, former passenger ship terminal will be transformed into a cultural center, small business incubator, and public park, including a rooftop venue for the Tribeca Film Festival.
| Aug 11, 2010
AIA selects three projects for National Healthcare Design Awards
The American Institute of Architects (AIA) Academy of Architecture for Health (AAH) have selected the recipients of the AIA National Healthcare Design Awards program. The AIA Healthcare Awards program showcases the best of healthcare building design and healthcare design-oriented research. Projects exhibit conceptual strengths that solve aesthetic, civic, urban, and social concerns as well as the requisite functional and sustainability concerns of a hospital.
| Aug 11, 2010
AGC: Construction employment declines in 47 states in July
Few states were immune from construction employment declines this July based on an analysis of federal employment data released today by the Associated General Contractors of America. That analysis found that 47 states saw declines in construction employment, while only two states saw increases and one saw no change in construction employment between July 2008 and July 2009.
| Aug 11, 2010
AGC: Construction unemployment reaches 19.2%
Unemployment in the construction sector climbed to a “horrendous” 19.2 percent (not-seasonally adjusted) as an additional 59,000 construction workers lost their jobs in May according to new federal data, said construction economist Ken Simonson today.
| Aug 11, 2010
Gensler, HOK, HDR among the nation's leading reconstruction design firms, according to BD+C's Giants 300 report
A ranking of the Top 100 Reconstruction Design Firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants
| Aug 11, 2010
Gensler, Arup, HOK among the largest office sector design firms
A ranking of the Top 100 Office Design firms based on Building Design+Construction's 2009 Giants 300 survey. For more Giants 300 rankings, visit http://www.BDCnetwork.com/Giants
| Aug 11, 2010
Callison strengthens retail design presence with RYA acquisition
Callison LLC on June 1 acquired RYA Design Consultancy, a Dallas-based retail architecture and design firm with offices in New York City. The new “Callison RYA Studio” will merge staff and clients into Callison ’s existing retail practice at their Dallas and New York offices.
| Aug 11, 2010
Prism-shaped design unveiled for five-star hotel in Saudi Arabia
Goettsch Partners has been commissioned by Saudi Oger Ltd. to design a new five-star, 214-key business hotel in the King Abdullah Financial District in Riyadh, Saudi Arabia. As a design-build assignment, Saudi Oger is serving as the contractor, selected by developer Rayadah Investment Company. The project is sited on Parcel 1.08, one of the first 10 parcels currently under development in the massive new master-planned district.
