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RETTEW performed the design of this $3.1 million overhead bridge project carrying Nissley Drive (renamed Baker Avenue as part of the project) over the turnpike mainline. We completed an alternative analysis to replace this rigid-frame structure with a two-span bridge and accommodate future widening of the mainline. In addition to the structure design, RETTEW developed…
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A team of solar developers was looking to install rooftop and carport solar arrays on two mixed-use commercial buildings in downtown Washington, D.C. to benefit lower-income residents in the D.C. area. RETTEW was the ideal candidate to make this goal a reality because of our vast experience in designing solar arrays, as well as general…
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Two small bridges in West Cocalico Township, one over Little Cocalico Creek and one over a tributary to Cocalico Creek, were deteriorating and needed repairs. Horseshoe Trail Road Bridge was previously closed because of collapsed abutments, and Mill Road Bridge was restricted by a steel plate over a portion of the failed deck. These failing…
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Deltech Polymers was looking to reinforce its personal fall arrest system (PFAS) at its rail car loading and offloading area. This project presented many challenges including several adjacent live rail lines and an existing curvature in the rail spur. As an authorized dealer for Rigid Lifelines, RETTEW proposed a new solution for optimized safety. Before…
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Lebanon Valley College was in need of better cell phone coverage for its employees and students. The installation site for the required equipment was an existing building rooftop not originally designed to hold that amount of weight. Another challenge was placing the equipment in the least obtrusive spot on that rooftop. RETTEW teamed with Verizon…
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Built in 1955, Hawk Falls Bridge (NB-610) is one of only four deck truss structures on the Pennsylvania Turnpike similar to Minnesota’s I-35W bridge, which collapsed. The bridge spans 738 feet and rises 200 feet over Mud Run in Penn Forest and Kidder Townships. The bridge’s leaking deck joints were removed but had already caused…
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Case New Holland, a world leader in the agricultural and construction equipment business, needed a new facility to test harvesting equipment with 1,000-horsepower engines running under full loads for days at a time. The facility required a special room to give the client the flexibility to test multiple equipment configurations and various pieces of equipment….
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A leading manufacturer of commercial boilers and related heating, ventilating, and air conditioning products that has been in business for more than 150 years had been operating under outdated workplace safety procedures. In order to come into compliance with the Occupational Safety and Health Administration (OSHA) and avoid costly penalties, the client hired RETTEW’s Safety…
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Located in South Central Pennsylvania along the Susquehanna River, Lancaster County is more than 950 square miles, with a population of more than 507,000 residents throughout 60 municipalities. The County touts a diverse population with rich agricultural roots, a large Amish community, and a strong sense of history. In this role, RETTEW is responsible for…
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The Lancaster City Bureau of Police outgrew its headquarters facility and needed a new state-of-the-art, four-story, 60,000-SF police station. In addition to housing offices for patrol and criminal investigation units, this highly specialized facility would need to accommodate investigation laboratories, a round-the-clock communications center, and a live ammunition firing range. Partnering with an architect nationally…
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Go to NewsroomParadise Township Sewer Authority Breaks Ground on Wastewater Treatment Plant Expansion
On May 5, the Paradise Township Sewer Authority broke ground on its recently funded wastewater treatment plant expansion…
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Some things improve as they get older, but when it comes to our country’s aging infrastructure, the opposite…
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