Carlson GeoTechCarlson GeoTech

Carlson GeoTech provides the ability to import borehole data for analyzing subsurface conditions and materials.

“GeoTech will model all core samples and produce a detailed, easy-to-read report  for drill logs, cross sections, and plan view,” says Dave Carlson, V.P. of Development for Carlson Software.

In addition, this information is fully integrated with Carlson Civil, for determining site stability and suitability, and also Carlson Construction, for accurate strata takeoff estimation.

Carlson GeoTech supports AutoCAD® and comes with IntelliCAD® built-in. This is in addition to working on legacy AutoCAD versions.Analyze the subsurface with GeoTech

Developed initially within Takeoff,  Carlson’s popular site estimating and data prep software, Carlson GeoTech joins Carlson CADnet, Carlson Trench, and Carlson Construction to form the Carlson Takeoff Suite, replacing the non-OEM version of Takeoff. (Note: Carlson Takeoff with built-in AutoCAD remains the same.)

“These modules serve to answer the specific needs of geotechnicians, civil engineers, and construction professionals who may not have required all of  Takeoff’s many capabilities,” says Todd Carlson, product manager for Takeoff.

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System Requirements


Key Capabilities

– Input and edit drillhole log data with strata elevation, depth and attribute data
– Generate drillhole log reports
– Label drillholes
– Draw Geologic Columns
– Draw Fence Diagrams
– Draw Isopach Maps for strata thickness, elevation or attributes
– Draw Strata Surfaces
– Draw Strata Depth Contours and Cut Color Maps
– Model Strata Surfaces with linkage to Carlson Civil and Construction for strata quantities
– Annotate plan view drillhole location maps


      • Built on AutoCAD and IntelliCAD

        Carlson GeoTech will run in AutoCAD®, versions 2010 to current, as well as AutoCAD® Map, Land Desktop and Civil3D and also on IntelliCAD.

      • Allows users to do the following:

        –Input and edit drillhole log data with strata elevation, depth and attribute data–Input and edit drillhole log data with strata elevation, depth and attribute data

      • Drawing Cleanup

        Fix common drafting errors

      • Drafting Enchancements

        Handy tools for working in AutoCAD® such as Join Nearest, Shrinkwrap Entities, Polyline Utilities, Drawing Inspector, Layer Inspector and Twist Screen

      • Data Compatibility

        Supports industry standard LandXML and scores of specific data conversions



      • Build Surfaces

        By triangulation or rectangular grids

      • Contouring

        One step triangulate and contour from 3D entities as well as contouring from surface files

      • Surface Manager

        Change surface display properties and adjust surface functions to add and remove points and breaklines and swap edges

      • Volumes

        Earthwork volumes between triangulation or grid surfaces

      • Pad Design

        Tie cut/fill slopes from pad perimeter to surface, build pad surface, calculate and balance volumes, and edit pad parameters

This 13 minute video shows creating and processing drillhole data.


Strata Cut Map


Strata Volumes by Interval

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Surface Profiles

Carlson GeoTech

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Companion Products

GeoTech can be utilized in conjunction with:

Civil Suite

GeoTech is also available as part of the Takeoff Suite:

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