Take the guesswork out of Earthwork

Earthwork takeoffs & GPS Modeling services

Topcon Solutions' Dirt Logic offering assists contractors, developers and civil engineers at any stage of a project to determine the most efficient way to deal with site grading. We provide practical 'what if' scenarios and solutions for any sized project, which reduces risk, project costs and overall design time.

With Dirt Logic’s expertise and sophisticated system of checks and balances there is nothing left to chance. The team provides detailed and user-friendly information for your project.

Discover solutions from Dirt Logic

Earthwork Takeoffs

The process of turning 2-D grading plans into a 3-D ‘earthwork takeoff’ used by contractors for project bids


GPS Modeling

We convert a two-dimensional, construction plan to a three-dimensional, electronic model



About Dirt Logic

Founded in 2001 and acquired by Topcon in 2021, Dirt Logic is based out of Portland, Oregon with another office located in Redmond, Oregon. Our clients range from local excavation contractors to multi-national development firms. Our talented group of takeoff and GPS model technicians are highly skilled and undergo more than six months of training before operating independently. The Dirt Logic team has over 40 years of industry experience to apply to your next dirtwork project. Dirt Logic has never turned away a dirtwork project. No matter how complicated or time-sensitive the job, we don’t consider it done until you are completely satisfied.

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Contact us  (855) 289-1772

Technical support  (888) 611-1209

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