One of Washington, D.C.'s most distinguished national landmarks, the Lincoln Memorial Reflecting Pool was nevertheless suffering considerable degradation and in significant need of a major rehabilitation.
Related Links: Engineering News Record Architectural Record The $15.8-million skirt restoration of the U.S. Capitol dome, which is composed of nearly 4,500 tons of iron, resolved deterioration and life-safety concerns involving cast-iron decorative and structural elements located at the dome's exterior. Work included interior and exterior lead-paint abatement and repainting of all cast-iron plates and trusses; repair of severely deteriorated cast iron; repair and cleaning of sandstone and historic brickwork; the application of protective epoxy coatings; and drainage redesign and improvements.Paint removal revealed numerous unforeseen challenges. After the removal of lead paint from the original sandstone, lead was still detectable
Related Links: Engineering News Record Architectural Record To comply with new nutrient-discharge limits imposed by the Pennsylvania Dept. of Environmental Protection related to the restoration of Chesapeake Bay, the Altoona Water Authority undertook $65 million in upgrades and the expansion of two wastewater treatment facilities at which existing processes were inadequate.Gwin, Dobson & Foreman designed the compliance project, which upgraded the authority's Easterly and Westerly plants by converting existing tankage to nutrient-removal technology reactors; constructing additional reactors; renovating and adding new final clarifiers; and installing new, high-efficiency aeration systems, UV disinfection systems, headworks and SCADA systems.The project also boosted each
The first launch pad in the U.S. to be built specifically as a multi-user facility to accommodate rockets from private companies, the Mid-Atlantic Regional Spaceport Pad-0A in Wallops Island, Va., enables continued space exploration and aims to foster the development of the commercial space transportation industry.
The five-year, $500-million Clairton C Battery project at North America's largest coke-making facility in Clairton, Pa., delivered a new 960,000-ton-capacity coke battery that improves U.S. Steel's overall environmental performance.
In light of rapid growth in Philadelphia's northwest suburbs, Pennsylvania Turnpike officials sought a low-maintenance, cost-effective solution for increased traffic volume at its Valley Forge interchange.
Located in the recently built 1000 Connecticut Building in downtown Washington, D.C., Arent Fox's 235,000-sq-ft leased space is spread across levels two through eight, as well as portions of the first level.