By the Numbers
31: The percentage of Americans that are aware the 100-watt incandescent light bulb will no longer be made after January 2012, according to the Sylvania Socket Survey. For the third consecutive year, 13% of survey respondents said they plan to hoard 100-watt bulbs.
The percentage construction materials prices have risen over the past year. According to Ken Simonson, chief economist for the Associated General Contractors of America, “Coupled with weak growth in demand for construction, the price gap is likely contributing to the stagnant employment levels the industry experienced all year.”
In millions, the dollar value of building permits issued in fiscal 2011 in Joplin, Mo., as the area continues to rebuild from a May 2011 tornado. The permits included everything from demolition to homes to commercial buildings. Officials predict the city could issue another $200 million in permits for fiscal year 2012.
Tons of greenhouse gases expected to be eliminated over a period of 50 years upon the mid-2012 completion of Hong Kong’s first zero-carbon building. About 70% of the electricity used in the building will be generated by biodiesel; the remaining energy need will be supplied by PV panels.
The projected building energy-efficiency market will soar more than 50% between now and 2017, to $103.5 billion, according to “Energy Efficient Buildings: Global Outlook,” a report by Pike Research.
Increase in the percentage of injuries that LEED construction project workers suffer in falls to lower levels during roof work, according to the study “Identification of Safety Risks for High Performance Sustainable Construction Projects.” The study examined construction projects built to achieve USGBC LEED certification. Researchers attributed the increase in falls to the installation of PV panels in projects seeking LEED certification.
The number of properties in the 50 states owned or leased by the GSA, representing more than 370 million square feet of space. This inventory includes 481 historic properties, such as the Old Executive Office Building in Washington.
In dollars, the cost per square foot for commercial real estate in New York City—the most expensive commercial real estate market in the U.S., according to the Building Owners and Managers Association International. Washington, D.C., ranks second at $42.61.
The percentage of nonresidential construction projects that are stalled as a direct result of financial problems, according to the AIA. “Until more credit is extended, the potential of nonresidential construction to promote a greater level of economic growth will not be realized,” says Kermit Baker, Hon. AIA, PhD, the AIA chief economist. BD+C