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Chronicles the project to renovate the vaulted space beneath the Manhattan approach to the Queensboro Bridge, called the New York Bridgemarket. Respect for the integrity of the 19th-century bridge; Focus on the bridge and its Guastavino vaults while aiming to create commercial and civic spaces. INSETS: The Guastavino Fireproof Construction Company.;Guastavino's Restaurant.;Technical challenges..

The article focuses on the construction projects in the U.S. through public private partnership (P3). Topics discussed include state leading in P3 construction include Virginia, Texas and Florida, successful projects include central terminal at LaGuardia Airport and Goethals Bridge replacement project in New York, and comments from Steve Gates of the organization Water Design-Build Council (WDBC).

The article offers news briefs on topics including the opening of Kosciuszko Bridge in New York City and a mental health summit hosted by Lendlease Foundation at The Grand Hyatt, New York City.

The article reports on reopening of Squibb Park Bridge in Brooklyn, New York City, after its shutdown for repair for being overly bouncy; possible lawsuit over its designer Ted Zoli; and comments of David Farnsworth, of engineering firm Arup, on efforts to prevent future deformation of the bridge.

Alexander Hamilton Bridge and Highbridge Interchange Rehabilitation Project [ABSTRACT FROM AUTHOR]

Describes an operation to save a worker who had fallen from New York City's Queensboro Bridge into the East River and his several co-workers hanging from the bridge after scaffolding had collapsed. Reasons for the collapse of a scaffold section placed for renovations in the area; Actions taken by the City of New York Fire Department (FDNY) Rescue 1 on September 29, 1997; Simultaneous rescue.

The article discusses the 2009 renovation of the Alexander Hamilton Bridge (AHB) in New York City by the New York State Dept. of Transportation (NYSDOT) and a joint venture between contractors CCA Civil Inc., a subsidiary of China State Construction Engineering Corp., and Halmar International. The NYSDOT's efforts to keep traffic flowing during construction, steel used for temporary ramps, and the deterioration of the arch bridge's floor beams are discussed.

The article focuses on the rehabilitation of the George Washington Bridge (GWB) which was planned by the Port Authority of New York and New Jersey. Principal structural engineer Stewart Sloane states that the 80-year-old bridge needs to be rehabilitate and the toll increase authorized in August 2011 has helped on the realization of the project. It adds that the billion-dollar makeover of cable and rope rehabilitation, roadway repairs and ramp reconstruction are all part of the project.

The article presents several news briefs. The amount of time which fire departments in New York City spend inspecting construction sites and occupied buildings has increased. According to a report by the New York State Department of Health, workers who were at the World Trade Center after it collapsed on September 11, 2001 are suffering from respiratory problems. The impact which pigeon droppings has had on bridge collapses is discussed.

Reports the construction of a cantilevered, cable-stayed bridge which will provide access between university housing and campus buildings at Manhattan in New York, New York. Reasons for adopting a cable-stayed design; Description of the bridge's steel main span.

Reports on the records set by the 1931 center span of the George Washington Bridge over the Hudson River which linked New York City, New York with Fort Lee, New Jersey. Design team of the bridge; Forms of suspension for the bridge; Bridge which surpassed its center span record.

Recalls the history of the Brooklyn Bridge in New York City, New York. Chief engineer of the bridge; How the bridge was constructed.

Reports on an investigation into the cause of a scaffold accident in New York City's Queensboro bridge. Death of ironworker Thomas Malcolm after scaffold collapsed over the East River; Awarding of contract to joint venture of Grow Tunneling Corp. and Perini Corp.; Description of engineering work on the bridge.

Focuses on repair work on the Tappan Zee Bridge in New York to extend the bridge's life. Removal and replacement of precast panels; Closure of lanes to traffic; Project cost.

Reports that a New York appellate court has banned sandblasting on all of New York City's bridges pending studies and hearings of lead-paint containment efforts. Action of the court on the lawsuit involving lead-paint removal on the Williamsburg Bridge.

Reports on plans to build a recreational park beside a bridge replacement project in Brooklyn, New York City. Parks designed on platforms over freight tracks; Reintegration n of Sunset Park communities; Conversion of the park into a green space; Cost of the planned park.

Reports on the awarding of the first contracts for the rehabilitation of the Tappan Zee Bridge in New York, under a union-only labor agreement. Contract bidders; Issues related to the issuance of contracts.

Reports on the New York City Department of Transportation's design-build contract to rebuild six bridges. Elimination of bureaucratic red tape; Decrease in construction time; Savings in contract.