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Class 3 is the highest level of ANSI gear, “for workers in the highest-risk situations who need to be visible through a full range of body motions from a minimum distance of 1,280 feet, and who are exposed to very high-speed traffic” (from ANSI certification standards). Full American National Standards Institute (ANSI) Certified Class 3 safety vests and pants were required on the job site.
Inclement weather, high traffic volume, a blind intersection hill and trying cross-section ramp work required the utmost of attention to safety detail. The survey work itself provided a number of challenges in the field. AutoCAD C3D was then used to transform the processed data into 3D metadata in. MSA employed the use of a Trimble S7 Robotic Total Station, a Trimble DiNi digital level and GPS rovers for data collection, then transferred information to the Trimble Business Center, a field-to-finish CAD software, for processing. To ensure accuracy, establish control, and create the highest degree of efficiency, it was imperative to use the best tools for the job. High-test tools for a high-risk roadwayĪs part of a broader 10,000-linear-foot road reconstruction project, the survey was ultimately done to increase safety by converting the roadway junction from a partial cloverleaf to a diamond interchange. This interchange survey was completed for the WisDOT near Lodi, Wisconsin, and required the utmost attention to detail and safety. Pair that with a project location at the confluence of three major interstate highways, high traffic volume, and a condensed WisDOT timeline, and you have 6,000 linear feet of challenging work ahead of you. In south-central Wisconsin in late autumn, this can mean collecting data in adverse weather conditions. Project surveying means a willingness to be out in the elements.
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