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Many buyers of machine control equipment are lead to believe a CAD file will create a machine control file. With machine control systems, proper interpretation of grade between known data points needs to be done to the file before it can be used. This is done on the site using the information available on the site plan. Traditional grading using grade stakes requires operators to possess an understanding of grading objectives between stakes. Triangulation files normally contains thousands of these triangles. Three calculated points are shown, but a machine control system using this triangle for desired grade could sample this triangle anywhere and get a grade. The known spot elevations (30,29, 31) at the corners of the triangle are used to interpolate any elevation on the triangle. To understand how a TIN file works, study the animated file to the right. Unlike a staking file, a triangulated surface file contains a 3D elevation for every location on the site. The desired grade at each location is provided by a special file containing a Triangulated surface (TIN). The current location of the machine is obtained either by GPS (Global Positioning System) or a robotic total Stations, after orientation to the site using known control points. Productivity increases using machine control systems lead to less labor, less fuel, less machine maintenance, and ultimately, more profit.įield General allows contractors to create 3D machine control site models easily, allowing the maximum return on investment.Ī machine control system compares the current location of a machine blade with the desired grade at that location and either displays the difference (indicate systems), or automatically makes a blade adjustment. It will simplify your life as a Construction Surveyor.įield General ® - GPS Machine Control Modeling
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I highly recommend The Trimble SCS900 software.
Doing takeoffs on terramodel full#
SCS900 contains a few basic cogo routines, not full blown surveying, but enough to get you where you need to be which, in today's grab and go world, is all you need! As a sidenote, BCS moved roughly 1.5 million cubic yards of material on the Kentucky Speedway Parking expansion in about 90 days, accurate topo's were critical in verifing quantites. Topos for quantities were quick and easy, taking less and less time while maintaining a high degree of accuracy.
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Robotic Total Station or RTK GPS, Curb stakeout using a 3d linwork file is very quick and efficient. I usually perform curb stakeout with a Trimble 5600 Robotic Total station, the SCS900 Switches seamlessly from RTK to Robotic Total Station making stakeout very easy. SCS900 simplified all of my day to day tasks including Tasks that require high accuracy stakeout such as curb and gutter staking. Stakeout Points can be uploaded or the user can just select endpoints on the linework file. Much simpler than survey controller and much more efficient and effective. One of the things I noticed in the beginning was the Site Calibration routine. Jobs are created in Terramodel or Agtek and uploaded to the controlled via the Trimble Synchronizer software. The SCS900 is very easy to use and has a very short learning curve. But, after getting my hands on the SCS900, I am now converted! Having been schooled in the Trimble Survey Controller Software, I was a bit of a skeptic at first. An absolute top notch company from top to bottom equipped with Trimble SPS850 Base stations and SPS880 RTK Rovers running SCS900 Software. Over the last nine months, I have been working for Baker's Construction Services in Bristol Tennessee.