Build Better Roads and Runways for Less

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Leveraging design surfaces, grades and alignments inside the cab, operators can mill and pave more accurately, reduce material overages and significantly improve productivity. You no longer risk using stringlines that are incorrectly set or that could be damaged. Trucks can be more productive as they no longer need to drive around stringlines or stakes.

The Trimble PCS900 Paving Control System is a 3D automatic screed control system that uses digital design data to pave in a stakeless environment. "This stakeless capability saved us time and effort setting and adjusting stringlines and increased our truck productivity by eliminating the need to drive around stringlines," states Alan Buoy, superintendent with Western Rock Products, St. George, Utah. "We were able to load the design data into the control box and the machine automatically kept the screed on design. We didn't need to run a piano wire to control our elevation," Buoy says. "That saved a lot of labor and hassles for the trucks that would need to maneuver around stringlines."

The Trimble GCS900 on a milling machine allows contractors to mill surfaces at variable depth and slope without stringlines. Controlling the precise cutting depth of the mill minimizes over-cutting, reduces the number of passes, creates a smoother surface and reduces the need for additional costly asphalt or concrete in the repaving process. "We began working in May 2009 and completed the project on time in November," states John Dowalter, survey manager for Shelly and Sands, Dublin Ohio. "We first had to mill the existing asphalt to a variable depth of zero- to five-inches in multiple passes."

Shelly and Sands had a subcontractor mill the old surface to a new design using the Trimble GCS900 3D system. "Even though stringlines were spec'd into the project, we eliminated the need for literally miles of stringline and easily saved a week's worth of staking," Dowalter says. "We stuck to our guns as far as using the Trimble systems and proved we could achieve the grade tolerances required."

Dependable Technology. Dependable Support.
Reliability is especially important in paving systems, because the paving can't stop. Trimble components are built to withstand the heat, steam, tamping and vibration that are regular on pavers. And while system durability prevents downtime, Trimble's extensive dealer network assures that training and support are always close.

"The feedback we're getting from the end product is that everybody is over the moon," Richard Needham, operations director for Bardon Composite Pavements, Leicestershire, England, concludes. "The rideability, consistency, and reliability have everyone happy. With the Trimble systems, we've eliminated the need for re-work; we're getting it right the first time."

Visit www.trimble-productivity.com to learn how contractors are building better roads and runways today with Trimble milling and paving solutions.

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