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Vacuum does Park Service’s heavy lifting for steps to 1600 Pennsylvania Avenue

The National Park Service Historic Preservation Training Center (HPTC) deployed a lifting system from Oklahoma-based Vacuworx to set 46 new Missouri limestone slabs, topping out at 2,400 lbs., during the recent White House South Portico stairway reconstruction.

Read more: Vacuum does Park Service’s heavy lifting for steps to 1600 Pennsylvania Avenue

Concrete interests gain share in growing, evolving bridge market

Higher volumes of vehicles on the road over the next 25 years stand to spur a 5 percent gain in cement shipments for bridges above present consumption levels. A new Portland Cement Association Market Intelligence report estimates the U.S. will need as many as 140,000 new or substantially reconfigured bridges by 2040, nearly 60 percent or 81,200 of which will be concrete.

Read more: Concrete interests gain share in growing, evolving bridge market

Agencies move on border wall, crane operator certification

Eyeing large scale installations along the Mexico border, the federal government has awarded Caddell Construction Co. of Montgomery, Ala., Fisher Industries of Tempe, Ariz., Texas Sterling Construction of Houston and W.G. Yates & Sons of Philadelphia, Miss., contracts to cast prototypes of 18- to 30-ft. high reinforced concrete walls. The structures will be built in San Diego and allow U.S. Customs and Border Protection (CPB) officials to assess their potential to deter illegal crossings and complement wall and barrier designs used along the border in recent years.

Read more: Agencies move on border wall, crane operator certification

STATE DOT-SEASONED TROMBINO TO HEAD FHWA

Read more: STATE DOT-SEASONED TROMBINO TO HEAD FHWA

Labor Board upholds CMC Rebar case decision against Iron Workers

The National Labor Relations Board has affirmed a May 2017 decision and order determining that the International Association of Bridge, Structural, Ornamental, and Reinforcing Iron Workers, Local 229, San Diego, violated the National Labor Relations Act in activities tied to picketing a Temecula, Calif., construction site.

Read more: Labor Board upholds CMC Rebar case decision against Iron Workers