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This is the pilot bridge replacement project for the Pennsylvania Turnpike Commission’s (PTC) Bridge Information Modeling (BIM) and Digital Delivery Program, which includes developing a 3D model. The existing bridge was a single-span steel beam bridge, and we are proposing a two-span composite prestressed spread box-beam bridge. This project is part of a $1.5 million…
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Our client, planning to sell their property, received a compliance notice from the Ohio Department of Natural Resources (ODNR) requiring remedial actions. Historically, the site was contaminated by chloride, petroleum hydrocarbons, and technologically enhanced naturally occurring radioactive material (TENORM). Impacted soils, building materials, and equipment required demolition and excavation to restore the site for regulatory…
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Under an open-end work order for the Pennsylvania Turnpike Commission, RETTEW provided preliminary design and final engineering services for a resurfacing project along the Northeast Extension. The project required field inspection of a 5-mile stretch to identify milling and paving limits, safety issues, drainage repairs, and areas requiring full-depth patching. Knowing digital field data collection…
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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…
Read MoreNot Everything Gets Better with Age!
Some things improve as they get older, but when it comes to our country’s aging infrastructure, the opposite…
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