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SAVE the DATE – OTEC Presentation

Over the past few decades, Geotechnical instrumentation have been gaining more widespread acceptance in monitoring construction and confirming that projects meet design expectations. This presentation will discuss TTL’s recent experience with installation and monitoring of geotechnical instrumentation for the I-75 realignment project in Toledo, Oh. The geotechnical instrumentation task for the project consisted of installing 33 vibrating wires piezometers, 75 vented settlement cells and 13 slope inclinometers, including roughly 1,900 feet of soils drilling and 3.5 miles of communication wires. This project is considered a very large scale instrumentation project and could possibly be the largest instrumentation application on roadway projects in the state of Ohio. This presentation will focus on site-specific challenges, the installation and monitoring process, construction observations, and lessons learned. We will discuss how these equipment works and provide some feedback regarding the planning aspect during both, the pre-construction and post-construction phases of the project. We will also demonstrate some of the deliverables that were provided.