Photo by ENR/Tom Sawyer The City Hall renovation in New York City includes a fuel cell near the building that will be generating most of the its daily load of electricity. Tricky tunneling work paved the way for the box, which has also attracted controversy. Photo by Tom Sawyer/ENR A trench helps bring in upgraded ConEd electrical feeds before it turns about 30 for a 200-ft run to City Hall, which was part of construction management firm Hill International's plan to build new power lines while working around the archaeological hotspots in lower Manhattan. Related Links: Fuel Cells Finding Their
Related Links: Skanska Quits U.S. Chamber of Commerce Over Anti-LEED Lobbying ENR's 2013 Top Green Design Firms Tumult Grows Over LEED Rating System Update An Uphill Battle Against LEED-Based Codes Skaska USA CEO: Don't Let Green Standards Wither LEED version 4 has been approved by a vote of U.S. Green Building Council (USGBC) members, with 86 percent of the voting body voting in the affirmative. Approval of LEED v4 as the next version of the LEED Rating System clears the way for its launch during the Greenbuild conference in November 2013.The landmark vote, in which more than 1,200 USGBC member
Mike Current says he almost had a nervous breakdown in anticipation of the first lift of the site-preassembled, glass-enclosed pedestrian bridges that link CityCenterDC's 11-story office buildings across a 24-ft-wide alley.
The conventional reinforced-concrete frames of the six 11-story buildings that stand in place of the razed Washington, D.C., convention center don't hold a candle to the innovative space truss that supported the old exhibit hall's clear-span roof.
Related Links: Concerns Over Specialty Contractor Failures, Economy Abound at CFMA's Annual Conference Construction Financial Management Association Foreign firms' growing interest in U.S. design-build projects and public-private partnerships (P3s) may turn big contractors into "the pretty girl at the dance" but, in some cases, also might leave out smaller firms, industry experts recently cautioned in response to questions from officials of those very firms.P3s are "picking up at a fast pace, with 33 states having P3 legislation," said James Merrill, managing director with Star America Capital Advisors. Merrill was a panelist on the subject at the annual meeting, held last
Image Courtesy of Trimet Special cable-stayed design calls for permanent stays to connect to every other bridge segment and continuously run through the pylon, a tactic that allows for a slender cross section. Image Courtesy of Trimet New Willamette River crossing in Oregon will be nation's first to bar private vehicles. Related Links: Light-Rail Bridge Job Awarded Portland-Milwaukie Light Rail Bridge There's no wiggle room in Portland, Ore., regarding the aesthetics and geometry of the new cable-stayed Willamette River bridge that, at 1,750 ft, will be the country's longest mass-transit, non-car commuter crossing. All 78 of the 16-ft-long, cast-in-place bridge
Image courtesy California American Water The 106-ft-tall San Clemente Dam has is at risk of failure during an earthquake or probable maximum flood. Image courtesy California American Water Crews will divert the river and leave tons of sediment in place. Related Links: Elwha River Restoration Project Involves Largest Dam Removal Effort in U.S. History As Funds Line Up, a Tall Dam In California Will Come Down California's largest-ever dam removal project will take advantage of the area's unique topography to allow builders to divert permanently the Carmel River into a new channel.Built in 1921 about 18.5 miles upstream of the
Photo by AP/Wide World New CO2 regulations from the EPA could bring about a new wave of coal-plant closures. Related Links: Presidential Memorandum on Power Sector CO2 Standards DOE Fact Sheet on Draft Advanced Fossil Energy Solicitation The climate-change action plan laid out by President Obama on June 25 provided a broad outline of how the administration plans to address greenhouse-gas emissions for the remainder of his term. While the plan lacked many specifics, Obama and administration officials already have started filling in the details.As a first step, the president on the same day signed a memorandum directing the Environmental
Photo courtesy of Hill International The utility chose the Red Lion substation because of its proximity to major transmission lines that deliver Bloom's electricity to its grid. Related Links: Cover Story: Fuel Cells Find Their Niche Delaware PUC Report Approving the Bloom/Delmarva Power Deal Delaware State Assembly Bill SB 124 Bloom Energy website Hill International Delaware's campaign to entice Bloom Energy to build a new manufacturing plant in the state and then source energy from a fuel-cell farm to the grid went through a political minefield.Consumer and environmental groups opposed the plan; ratepayers would have to shoulder some of the
Photo By Jeff McIntosh/Associated Press Crews prepare to pump petroleum diluent from railcars stranded on the buckled Calgary bridge into other cars securely placed on a parallel bridge. Related Links: Train Derails on Collapsing Bridge (Video) CP Officials Say Bonnybrook Bridge Had Been Inspected 18 Times Since Flooding Premier Alison Redford says it will take Alberta, Canada, a decade and $5 billion to recover and rebuild from a once-in-a-century flood that tore through the southern portion of the province on June 20. Damage was extensive in Calgary, where a state of emergency extended into July as floodwaters receded.Tens of thousands
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