Hanover, Md.-based Cathedral Stone Products, Inc. has developed a full line of masonry restoration systems, backed by technical support, laboratory testing and color matching services. As an industry pioneer, the company offers proven systems for preservation projects including surface preparation products, mineral coatings and masonry staining systems.
St. Louis-based Ascent LLC, a builder and operator of highly secure data centers is promoting its latest facility on the strength of mass, reinforced concrete: 15-in. walls and a 13.5-in. roof enclosing 42,600 sq. ft. of space. Dubbed DAL1 for its Dallas-Ft. Worth metroplex proximity, the new Plano, Texas, facility is built to withstand exposure to 360-mph winds, well above the National Weather Service’s 200-mph threshold for (Enhanced Fujita Scale) EF5 tornadoes.
Daniel Krentz, a recent Bowling Green State University (Ohio) graduate, fabricated a 10.5-ft. high x 3.5-ft. wide concrete and steel cylindrical sculpture that despite weighing nearly 1,500 lbs. demonstrates the illusion of weightlessness.
One of the key suppliers to Switzerland’s Gotthard base tunnel bills the structure as both novelty and “remarkable achievement in engineering.” At 57 meters or 35 miles, it is the world’s longest rail tunnel; passes through one of the highest Alpine massifs; and, will reduce the time that massive freight and modern high-speed trains need to travel from Zurich to Milan by around one hour.
To limit downtime and inconvenience to Middletown residents, the Connecticut Department of Transportation aimed for a quick method to replace the short span Route 17 bridge over Long Hill Brook. Anchor Engineering Services, a civil and environmental consulting firm located in Glastonbury, Conn., decided that precast concrete would be the quickest solution. Its task was to design a replacement structure bearing on a foundation set in the stream bed’s variable rock base.