The $42-million Mason Inn Conference Center and Hotel in Fairfax, Va., is an unsolicited Public Private Education Facilities and Infrastructure Act of 2002 project, one of the first at George Mason University. Photo Courtesy Balfour Beatty Construction Photo Courtesy Balfour Beatty Construction Related Links: Best of 2010 List Balfour Beatty Construction of Fairfax, Va., teamed with development partner Concord Eastridge to secure this public-private contract to develop, design and build a 135,000-sq-ft conference center and hotel facility at George Mason University’s main campus. The Mason Inn includes approximately 20,000 sq ft of convention space integrated with a 149-room hotel. The

The 1.4-million-sq-ft Constitution Center in Washington, D.C., aims to become the largest office renovation project in the United States to achieve LEED-Gold certification. Photo Courtesy James G. Davis Construction Corp. Related Links: Best of 2010 List James G. Davis Construction Corp. of Rockville, Md., began work on the project in July 2009 with demolition of the interior spaces and the exterior. The job included a 700,000-sq-ft, 1,500-car parking deck. The general contractor added shoring to the underground garage to support the 45,000-sq-ft central courtyard during construction waste sorting. The team recycled more than 77% of the 24,270 tons of waste.

PROJECT COST: $99.4 million Ballenger-McKinney Wastewater Treatment Plant Related Links: Top Project Starts Key Facts: Location: Frederick, Md. Owner: Frederick County, Md. Contractor: Allan A. Myers, a Company of American Infrastructure, Worcester, Pa. Architect and Engineer: Whitman, Requardt & Associates, Baltimore Start Date: December 2009 Completion Date: March 2013 The $99.4-million Ballenger-McKinney Wastewater Treatment Plant Expansion and Enhanced Nutrient Removal project in Frederick, Md., will increase the facility�s capacity to 15 million gallons per day, up from 6 MGD. Construction began in December. Allan A. Myers, a company of American Infrastructure, Worcester, Pa., will complete a new influent pumping station

PROJECT COST: $92 million Little Patuxent Water Reclamation Plant Addition No. 7 Related Links: Top Project Starts Key Facts: Location: Savage, Md Owner: Howard County, Md. Contractor: Clark/US, a joint venture between Clark Construction Group, Bethesda, Md., and Ulliman Schutte Construction, Rockville, Md. Engineer: PBS&J, Baltimore Start Date: June 2009 Completion Date: Summer 2012 The $92-million Little Patuxent Water Reclamation Plant Addition No. 7 Enhanced Nutrient Removal Expansion and Improvements project in Savage, Md., will increase the plant�s ability to treat wastewater before its release into the Little Patuxent River and onward to Chesapeake Bay. Clark/US, a joint venture between

PROJECT COST: $160 million Photo: photo courtesy ronald williams, wssc Bi-County Water Tunnel Related Links: Top Project Starts Key Facts: Location: Bethesda, Md. Owner: Washington Suburban Sanitary Commission, Laurel, Md. Construction Manager: Jacobs Associates, Baltimore; EA Engineering, Science and Technology of Hunt Valley, Md. Contractor: Renda, Southland, SAK joint venture, a partnership among Oscar Renda Contracting of Roanoke, Texas; Southland Contracting of Fort Worth; and SAK Construction of O�Fallon, Mo. Start Date: August 2009 Completion Date: 2012 The Washington Suburban Sanitary Commission first identified the need for the Bi-County Water Tunnel, which will transport drinking water from the Potomac Water

PROJECT COST: $178 million Wilmington Hospital Related Links: Top Project Starts Key Facts: Location: Wilmington, Del. Owner: Christiana Care Health System, Wilmington, Del. Contractor: Skanska USA Building, Philadelphia Architect: Wilmot/Sanz, Gaithersburg, Md. Start Date: April 2009 Completion Date: August 2013 Christiana Care Health System began a transformation project at Wilmington Hospital aimed at dramatically increasing capacity at the Delaware acute-care facility. Construction manager Skanska USA Building of Philadelphia broke ground in April 2009 on the $178-million, 386,000-sq-ft addition to the 122-year-old hospital. Construction will be complete in August 2013 and bring the hospital to 1 million sq ft. The project

PROJECT COST: $79 million Penrose Square Related Links: Top Project Starts Key Facts: Location: Arlington, Va. Owner: Carbon Thompson Development, Reston, Va. Contractor: Foulger-Pratt Contracting, Rockville, Md. Architect: Heffner Architects, Alexandria, Va. Start Date: April 2009 Completion Date: September 2011 The $79-million Penrose Square in Arlington, Va., transforms an aging shopping center into an upscale, mixed-use development with retail and a community park. The project, on a 4-acre parcel near the Pentagon, consists of 299 luxury rental apartments, 97,000 sq ft of retail space and a public square featuring various amenities. Foulger-Pratt Contracting of Rockville, Md., began work on the

PROJECT COST: $83 million Riverside Regional Medical Center Related Links: Top Project Starts Key Facts: Location: Newport News, Va. Owner: Riverside Health System, Newport News, Va. Contractor: W. M. Jordan Co., Newport News Architect: Earl Swensson Associates, Nashville, Tenn. Start Date: July 2009 An $83-million, 240,648-sq-ft addition to Riverside Regional Medical Center in Newport News, Va., doubles the size of the hospital�s central energy plant, which will supply heating and cooling and medical gases to a new surgical suite with 13 operating rooms, related services and 68 patient beds. W.M. Jordan Co. of Newport News, Va., broke ground on the

PROJECT COST: $164 million Metrorail Red Line Rehabilitation Related Links: Top Project Starts Key Facts: Location: Washington, D.C. Owner: Washington Metropolitan Area Transit Authority, Washington, D.C. Design-Build Contractor: Kiewit Corp., Peachtree City, Ga. Start Date: December 2009 Completion Date: Summer 2012 The Washington Metropolitan Area Transit Authority embarked in December on the first phase of a four-year rehabilitation to the Metrorail�s Red Line in Washington, D.C. The Red Line, WMATA�s first subway line, opened in March 1976 with five stations. The project aims to enhance the authority�s ability to keep the system in good repair with minimal disruptions. WMATA Metro

PROJECT COST: $100 million Rolls-Royce Crosspointe Centre, Phase I Related Links: Top Project Starts Key Facts: Location: Prince George County, Va. Owner: Rolls-Royce North America, Indianapolis Program Manager: Faithful+Gould, Alexandria, Va. Design-Build Contractor: The Haskell Co., Jacksonville, Fla. Architect: Gresham, Smith and Partners, Richmond, Va. Rolls-Royce started construction in October on the first $100-million phase of an aerospace facility, slated to become the company�s largest U.S. manufacturing facility. The company says it is undertaking the project to provide capacity to accommodate its improving market position and significant growth in orders. Faithful+Gould of Alexandria, Va., serves as program manager. Rolls-Royce selected