171,271
Total of LEED ACCREDITED PROFESSIONALS recognized by the U.S. Green Building Council, as of September 2011.
LEED APs with specialty – 64,060
LEED APs without specialty – 83,985
LEED Green Associates – 23,226
Total LEED Professionals – 171, 271
Source: USGBC
$200.21
The cost per square foot to build a DAYCARE CENTER in San Francisco in 2011, according to RSMeans.
Source: RSMeans
1.0
The approximate U-FACTOR (Btu/hr-sf-°F) of currently available aluminum frame windows and doorframes. Also the number of AIA/CES DISCOVERY LEARNING UNITS that can be obtained by studying “High- Performance Windows + Doors” and passing the 10-question exam (80% score required). Source: BD+C
72%
The percentage a GEOTHERMAL HEAT PUMP can reduce energy consumption when compared to conventional HVAC system, according to the EPA. Additionally, the U.S. Department of Energy reported that geothermal heat pumps can but HVAC energy demand by 50% and overall energy demand by 35%. Geothermal heat pumps are expected to gain market share as recent government mandates require newly constructed buildings to be zero net energy. Energy-efficient retrofits will also increase market demand for the pumps. Source: EPA
46.9
The September 2011 AIA ARCHITECTURE BILLINGS INDEX, following a score of 51.4 in August 2011. The monthly ABI index scores are based on a score of 50, with scores above 50 indicating an aggregate increase in billings and scores below 50 indicating a decline. In regard to September’s 46.9 score, “It appears the positive conditions seen last month were more of an aberration,” said AIA Chief Economist Kermit Baker, PhD, Hon. AIA. Source: AIA
420
Buildings taller than 420 feet are now required to include an EXTRA EXIT STAIRWELL OR ELEVATOR that occupants can use for evacuations, according to the National Institute of Standards and Technology. Source: NIST
$886.2
Total put-in-place CONSTRUCTION DOLLARS in billions predicted for 2012, according to the latest FMI forecast, which calls for 2% growth in 2011, and 6% for 2012. In 2012, the construction industry will return a level of construction in current dollars that is comparable to levels recorded in 2003. Source: FMI
83%
The percentage of AIR REDUCTION possible following the installation of an air barrier system in a commercial or industrial building, according to the National Institute of Standards and Technology. The installation of an air barrier can also shrink gas bills by more than 40%, and reduce electrical use by 25%. Source: NIST
$65,000,000
Total funds currently invested in the energy-efficiency financing initiative known as the BILLION DOLLAR GREEN CHALLENGE. The fund aims to get colleges, universities, and other nonprofits to invest $1 billion in self-managed funds to be used to finance energy-efficiency upgrades. Source: BD+C
50,000
Owners of every New York City commercial and residential buildings larger than 50,000 sf will have to post each building’s ENERGY USE ONLINE, starting with commercial buildings in 2012, followed by residential buildings in 2013. Architects and environmentalists believe the measure will prompt owners to invest in cleaner, more sustainable designs. Source: BD+C
6
The number of sides to the Octagon House in Washington D.C., the original home of the AIA. Built between 1978 and 1800, the Octagon House was designed by Dr. William Thornton, the architect of the U.S. Capitol. Adapted to an irregular-shaped lot, the design of the three-story brick house combines a circle, two rectangles, and a triangle, resulting in a six-sided structure. Source: National Park Service
--
Submit your “By the Numbers” item to: Tim Gregorski, Senior Editor, tgregorski@sgcmail.com.
You must include documentation showing the source of your entry. Readers whose items are chosen will receive credit in the magazine and a $10 Amazon gift certificate. Decision of the editors of BD+C is final.
Related Stories
Office Buildings | Feb 9, 2023
Post-Covid Manhattan office market rebound gaining momentum
Office workers in Manhattan continue to return to their workplaces in sufficient numbers for many of their employers to maintain or expand their footprint in the city, according to a survey of more than 140 major Manhattan office employers conducted in January by The Partnership for New York City.
Giants 400 | Feb 9, 2023
New Giants 400 download: Get the complete at-a-glance 2022 Giants 400 rankings in Excel
See how your architecture, engineering, or construction firm stacks up against the nation's AEC Giants. For more than 45 years, the editors of Building Design+Construction have surveyed the largest AEC firms in the U.S./Canada to create the annual Giants 400 report. This year, a record 519 firms participated in the Giants 400 report. The final report includes 137 rankings across 25 building sectors and specialty categories.
University Buildings | Feb 8, 2023
STEM-focused Kettering University opens Stantec-designed Learning Commons
In Flint, Mich., Kettering University opened its new $63 million Learning Commons, designed by Stantec. The new facility will support collaboration, ideation, and digital technology for the STEM-focused higher learning institution.
Sustainability | Feb 8, 2023
A wind energy system—without the blades—can be placed on commercial building rooftops
Aeromine Technologies’ bladeless system captures and amplifies a building’s airflow like airfoils on a race car.
Codes and Standards | Feb 8, 2023
GSA releases draft of federal low embodied carbon material standards
The General Services Administration recently released a document that outlines standards for low embodied carbon materials and products to be used on federal construction projects.
University Buildings | Feb 7, 2023
Kansas City University's Center for Medical Education Innovation can adapt to changes in medical curriculum
The Center for Medical Education Innovation (CMEI) at Kansas City University was designed to adapt to changes in medical curriculum and pedagogy. The project program supported the mission of training leaders in osteopathic medicine with a state-of-the-art facility that leverages active-learning and simulation-based training.
Multifamily Housing | Feb 7, 2023
Multifamily housing rents flat in January, developers remain optimistic
Multifamily rents were flat in January 2023 as a strong jobs report indicated that fears of a significant economic recession may be overblown. U.S. asking rents averaged $1,701, unchanged from the prior month, according to the latest Yardi Matrix National Multifamily Report.
Giants 400 | Feb 6, 2023
2022 Reconstruction Sector Giants: Top architecture, engineering, and construction firms in the U.S. building reconstruction and renovation sector
Gensler, Stantec, IPS, Alfa Tech, STO Building Group, and Turner Construction top BD+C's rankings of the nation's largest reconstruction sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Transit Facility Giants: Top architecture, engineering, and construction firms in the U.S. transit facility sector
Walsh Group, Skanska USA, HDR, Perkins and Will, and AECOM top BD+C's rankings of the nation's largest transit facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.
Giants 400 | Feb 6, 2023
2022 Telecommunications Facility Sector Giants: Top architecture, engineering, and construction firms in the U.S. telecommunications facility sector
AECOM, Alfa Tech, Kraus-Anderson, and Stantec head BD+C's rankings of the nation's largest telecommunications facility sector architecture, engineering, and construction firms, as reported in the 2022 Giants 400 Report.