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ICF provides security to coastal residents

As hurricane season is once again ramping up, Turnstone Builders is constructing virtually hurricane-resistant homes in the Rehoboth Beach, Del. area. When Turnstone’s CFO David Eppes and Managing Director Harvey Ryan learned that insulated concrete forms (ICF) houses were nearly hurricane proof, they applied the building process to a three-story, 7,100-sq.-ft. house on Collins Avenue in Dewey Beach.

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A transverse placement method exhibits longevity

Five years into the Interstate Highway program, bridge contractors faced a number of limitations to place and finish decks: Equipment and industry practice confined them to paving only the distance between abutment and the first pier. Placement and finishing operations were longitudinal, yielding an uneven ride in finished decks stemming from post-pour transfer deflection.

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With Shelby Materials mix... Caldwell rounds out its largest silo

Late last year, Louisville-based Caldwell Tanks, Inc., completed its largest jumpform grain silo: A 160-ft.-tall, 90-ft.-diameter structure at Kokomo Grain Inc.’s Edinburgh, Ind., facility. The entire tank, from foundation start to silo wall completion, took about 110 days to complete, and crews were challenged by extreme summer heat and an early harvest.

Read more: With Shelby Materials mix... Caldwell rounds out its largest silo

With Shelby Materials mix... Caldwell rounds out its largest silo

Late last year, Louisville-based Caldwell Tanks, Inc., completed its largest jumpform grain silo: A 160-ft.-tall, 90-ft.-diameter structure at Kokomo Grain Inc.’s Edinburgh, Ind., facility. The entire tank, from foundation start to silo wall completion, took about 110 days to complete, and crews were challenged by extreme summer heat and an early harvest.

Read more: With Shelby Materials mix... Caldwell rounds out its largest silo

Green U-beams spell safe travels for Phoenix Sky Train

U.S. Concrete Precast Group has completed the production of 130 prestressed, green concrete U-beams for the Sky Train project, a massive, $1 billion-plus public works effort now under construction at the east end of the Phoenix Sky Harbor International Airport. U.S. Concrete secured the project in 2009 with lead contractor Hensel Phelps Construction Co. Production of high-strength U-beams began at the company’s Phoenix manufacturing facility in February 2010, utilizing environmentally friendly concrete mix design, EF Technology, which used 12.5 percent fly ash replacement and can have a carbon footprint 30 percent lower than standard concrete mix designs.

Read more: Green U-beams spell safe travels for Phoenix Sky Train