FEATURE
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Innovation Through Dedication
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Airport in Lima, Peru, required 70,000 cubic meters of concrete. For this project, the team used machine control on graders with corrections and a universal total station to achieve tolerances on subbase and base layers, while asphalt control technology boosted accuracy and control. While sensors and other technology collected data, field-focused software analyzed how much material to lay – providing seamless guidance for the operator. Automatic paving control technology eliminated time-consuming prep work such as survey stakes, which empowered crews to acquire to grade and tolerances faster, while producing some of the smoothest surfaces possible – accuracies that exceeded the 1.8-centimeter requirement. Carlos Ruiz Miranda, chief surveyor with SACYR, part of the Inti Punku consortium that was selected to engineer and construct the new, modern passenger terminal, said,“ We haven’ t had a single non-conformity from the client. Even though we started months behind schedule, we managed to finish two months ahead of schedule. This has meant, above all, cost savings and a 20 % increase in production.” For Toledo, Ohio-based Buck Brothers Asphalt Paving & Concrete, the technology is also applicable for parking lots. On a recent project, crews used a Universal Total Station( UTS) to regrade a 20-yearold, 100,000-square-foot parking lot to 1 / 16 " precision with curbs and islands optimized for drainage. Jacob Buck, co-owner of Buck Brothers, said,“ Our old methods were inefficient and sometimes inaccurate, which required rework. Now I know everything we pave is at the right thickness and is going to drain correctly – and that’ s big in the asphalt world. I can’ t picture us ever going back to the way we did it before.”
Setting New Benchmarks
While operational and field-based solutions are readily available, the burden of collecting data about the physical world to verify completed work and improve future bidding, resource allocation and operational strategies has been a bit more of a challenge. The advancement of reality capture and mobile mapping is helping. Early mobile
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