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By: TrueNorth Steel The scope of this project was replacement of an existing pipe crossing with a larger corrugated metal pipe that won’t cause the roadway to be overtopped during high flow events. Additionally, the structure was designed to pass debris and survive these high flow events undamaged. The combination of large diameter CSP and... Read More

By:  Pacific Corrugated Pipe Company A large tilt-up Industrial Park located in Rancho Cucamonga, California required two large, multi-barrel retention systems to support the storm water management plan for this property. Both systems utilized fully-perforated 60” diameter 16 gage 5” x 1” Aluminized Type 2 corrugated steel pipe. The first... Read More

By: Contech Engineered Solutions As part of Guilford Technical Community College’s Master Plan development, the GTCC Connector was needed to connect the proposed new North Campus which was separated from the remainder of campus. The new North Campus was planned to house the state-of-the-art Center for Advanced Manufacturing, a $35.5 million... Read More

By: Big R Bridge Bridge No. HAN-075-1713 carries I-75 traffic over an abandoned railroad bed north of the Blanchard River on the west side of Findlay, Ohio. The existing bridge was constructed in 1989, consisted of three spans totaling 140 ft and carried two lanes of traffic in each direction. The bridge was scheduled to... Read More

By: Contech Engineered Solutions The Thompson Middle School expansion was required as the School District shifted from a three school configuration to two. Civil Engineering firm Rettler Corp identified three areas of the site that could be used to meet the required detention storage volume of 6.10 Ac-Ft. Three options were analyzed: ponds,... Read More