A concrete pump with a telescoping boom section – one of the first such models in North America — is enjoying steady employment in Colorado, specializing in tight-quarter jobs with overhead obstructions. Southwest Concrete Pumping, Denver, purchased the new Schwing 31-HT truck-mounted boom pump following the Bauma show in Germany, where the first-of-its-kind model was […]
In a Carnegie Hall performance they hoped would not bring down the house, foundation renovators at the venerable New York City music hall cautiously excavated tons of rock, and shored and underpinned structural columns, beams and walls for tricky load transfers. Their work in the dismal basement deep below the 8-story building in mid-town Manhattan […]
The only concrete pump in North America with a 58-meter placing boom made distant deck pours that helped contractors complete construction of the highest bridge in Colorado. The 1,225-ft-long structure over Aregua Gulch is part of an expansion project at a gold mine site west of Colorado Springs in the Victor-Cripple Creek area. State Highway […]
In a project to create natural-looking artificial rock formations for a city zoo, contractors compared application methods before determining that a high volume of shotcrete could most efficiently be placed by a concrete pump. The project for the city-owned John Ball Zoo in Grand Rapids, MI, calls for 360 lin ft of simulated rock in […]
A specialized self-climbing concrete forming system, designed to work in tandem with a separate placing boom and concrete pump, is speeding construction of the core walls for a mid-sized office tower in downtown Minneapolis. The form’s custom design minimizes intermediate rework and adjustments throughout the pouring sequence for the project’s general contractor M.A. Mortenson, Minneapolis. […]
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