Southern Nevada�s Nellis Air Force Base is trimming construction costs of a new child development center by nearly 4% by using a unique aerated plastic-riser foundation system. Graphic: Courtesy USAF Cobblestone Construction, Las Vegas, broke ground on the $7.2-million design-build project in August 2010 and later discovered that the six-acre site along the northwest edge of the base was contaminated with radon. The 26,000-sq-ft block building consequently required a gas ventilation system, which typically comprises a vapor barrier consisting of a membrane of washed rocks and liquid as well as perforated pipe and fans. Wright Engineers, Las Vegas, proposed a
Southern Nevada’s Nellis Air Force Base is trimming construction costs of a new child development center by nearly 4% by using a unique aerated plastic-riser foundation system. Graphic: Courtesy USAF Cobblestone Construction, Las Vegas, broke ground on the $7.2-million design-build project in August 2010 and later discovered that the six-acre site along the northwest edge of the base was contaminated with radon. The 26,000-sq-ft block building consequently required a gas ventilation system, which typically comprises a vapor barrier consisting of a membrane of washed rocks and liquid as well as perforated pipe and fans. Wright Engineers, Las Vegas, proposed a
The Southern Nevada Water Authority�s largest single contract to date just got a little pricier. Photo: Tony Illia for ENR Southwest Drier days Workers in 2010 in staging vault that later flooded twice. Photo: Tony Illia for ENR Southwest Tunnel-boring machine head will drill for three miles. A starter tunnel for a third raw water intake at Lake Mead flooded three times in six months last year, prompting its contractor, Vegas Tunnel Constructors LLC �a joint venture of S.A. Healy Co., Lombard, Ill., and Impreglio S.p.A., Sesto San Giovanni, Italy�to drill in a drier direction. Costs for the design-build project,
The Southern Nevada Water Authority’s largest single contract to date just got a little pricier. Photo: Tony Illia For ENR Drier days Workers in 2010 in staging vault that later flooded twice. Photo: Tony Illia For ENR Tunnel-boring machine head will drill for three miles. A starter tunnel for a third raw water intake at Lake Mead flooded three times in six months last year, prompting its contractor, Vegas Tunnel Constructors LLC —a joint venture of S.A. Healy Co., Lombard, Ill., and Impreglio S.p.A., Sesto San Giovanni, Italy—to drill in a drier direction. Costs for the design-build project, awarded in
Article toolbar Developer Chris Milam is proposing to build a $1.57-billion three-arena sports complex, on 70 acres, in downtown Las Vegas. The project, designed by Kansas City, Mo.-based ThreeSixty Architecture, calls for a 17,500-seat basketball/hockey arena, plus a 9,000-seat ballpark and 50,000-seat football stadium, both partially covered with tensile roof structures. Romani Group Inc., Greenwood Village, Colo., is program manager, with Turner Construction Co., New York, as general contractor. The Las Vegas National Sports Center would be located on city owned land within the Symphony Park master-plan, northeast of the World Market Center near the Interstate 15/ U.S. 95 interchange.
Carter & Burgess Inc., a unit of Jacobs Engineering Group, will be back in a California court on Feb. 28, seeking dismissal of a December ruling ordering the company to pay the city of Victorville $52.1 million over a failed powerplant project. The project’s price tag had more than quintupled before it was scrapped for parts in 2006. Photo: Courtesy of Gibbs, Giden, Locher, Turner & Senet LLP Powerplant, now defunct, is focus of fight between city and Jacobs Engineering unit. Riverside County Superior Court Judge Ronald Taylor ruled on Dec. 17 against the Fort Worth-based engineer, which was acquired
Image courtesy Majestic Realty Co. The old Thomas & Mack Center at University of Nevada � Las Vegas could be transformed to a 40,000-seat stadium. Image courtesy Majestic Realty Co. Image courtesy Majestic Realty Co. The University of Nevada-Las Vegas� aging, bland campus could soon get a shot of high-octane excitement. Billionaire developer Ed Roski recently unveiled plans to build a new domed football stadium at the school�s 332-acre main campus at 4505 S. Maryland Parkway in central Las Vegas. The 40,000-seat steel-and-glass venue would serve as home to the UNLV Rebels football team, which currently plays at the outdated
Uncertainty over reauthorization of a federal transportation bill could curtail future concrete consumption, said attendees at the World of Concrete show held last month in Las Vegas. A protracted wait time for a new bill creates long-term budgeting uncertainty for municipalities that could result in smaller, less ambitious projects. Photo: Tudor Van Hampton For ENR Vendors showed wares in Las Vegas, as experts noted that renewal of the highway bill is needed to bring back the lagging cement market. Photo: Tudor Van Hampton For ENR Related Links: World of Concrete 2011: Around the Exhibit Hall “We’re hearing that we could
Persistent water seepage has prompted the contractor of a new “straw” at southern Nevada’s Lake Mead to drill a starter tunnel in a drier direction. Photo: Courtesy of Southern Nevada Water Authority Nevada starter-tunnel route must be changed. The contractor says it is investigating an alternate alignment roughly 20� east from the current 200-ft-long starter tunnel. The plan would be to eventually rejoin the original alignment. Vegas Tunnel Constructors LLC (VTC), a joint venture of S.A. Healy Co., Lombard, Ill., and Impreglio S.p.A., Sesto San Giovanni, Italy, last year encountered water three times in six months while creating a starter
A somber but resilient mood permeated this year’s World of Concrete expo, held on Jan. 18-21 in Las Vegas, where thin crowds circulated amid a kiosk-filled convention floor. Contractors looked for innovative ways to prepare for an economic recovery, while budget-conscious construction solutions dominated exhibitor offerings. “We’re focusing on our ability to reuse equipment in different applications, rather than buying anew from job to job,” said Andrew Mair, chief executive officer of Doka USA Ltd., a Little Ferry, N.J.-based concrete formwork provider. “We’re also showcasing our Frami Xlife product, which is light enough to be [handled] without a crane, saving