- #Trimble business center hce surface elevation explorer tool full#
- #Trimble business center hce surface elevation explorer tool verification#
Low gain or directional PPM error 1cm +/- 1ppm (+/- 1 millimeter for every kilometer away from base, e.g.
#Trimble business center hce surface elevation explorer tool full#
Size and duration of site dictates: GPS base station setup Semi-permanent installation vs daily setups? Connectivity Fixed GPS and radio network infrastructure Linear versus enclosed IBBS / Local Base VRS (Virtual Reference Station) Rebroadcast ITEMS TO MENTION: Optimally you would want to set up a site base central to the site surround by control used in calibration Conditions to keep in mind on linear projects – the first red circle indicates the primary base station location might be sufficient for radio coverage for the west side of the job, but not for the east side of the job – size of the site might dictate use of radio repeaters and / or a second GPS base station location to ensure full coverage of the job site Range Limitations K based on line of sight, Cellular allows for significantly extended range from the base station, Correct radio antenna, High gain vs.
#Trimble business center hce surface elevation explorer tool verification#
Peak use outages Will you be using remote correction source? VRS Private or government IBSS Managed or Unmanaged Remember - these are things beyond contractor controlġ2 Site reconnaissance Size, duration, and environmental considerationsĬontrol verification GPS base station locations Correction source delivery Stable & faster transfer rate Cellular – At&t, Verizon, T-Mobile, etc.
TCC or - Rovers TCC or 2-Way data - machines Remote Productivity reporting Work Order results from SCS900 Productivity tag files from machine Remote troubleshooting Trimble Assistant 2-Way data RTK Correction source delivery IBSS VRSġ1 Connected Site Things to be aware of Internet Connectivity
This example - 7 points, 18 baselines.ġ0 Connected Site Connecting your site enables Remote transfer of designs Optimal control- Multiple control points Geometry strongest, balanced Points encompass the site.
Preliminary preparation Site reconnaissance Setting up the site Site Calibration Conclusionĭigital data – What do you have? CAD data 3D Model Who is responsible for control? Owner or you? Resources to perform in-house or contract Trimble Connected Site preparedness Internet connectivity (Land Line vs Cellular) IBSS 2-Way dataĥ Digital Data CAD data must always be verifiedĬAD data often must be corrected and/or enhanced Trimble Business Center – Heavy Construction Edition (HCE) data prep module can provide you with the tools to perform this task You should understand the needs of office systems vs field systems and learn what formats are neededĪ set of points by which everything is referenced to They should be set with a high degree of accuracy Usually have been network adjusted (TBC Advance Survey Modules can be used for this) Control points are measured to “calibrate” the site for GPS-based systems You need a minimum of 3 and 5 or more are recommended Do control points exist on site? Check the site plans for control point lists and locations Check with engineerģ points will work, but yields only 3 baselines Geometry could be weak Control should encompass the entire siteĤ Points Better, 6 baselines 4th point - independent height check Geometry is stronger Setting up the site right – the first time! Reduces setup errors, which could result in rework Reduces time wasted on multiple equipment setups and site visits Increases productivity of machines and field crews The project is completed faster! You save time and make more money! Multiple GPS setups due to poor planning on a site could result in site systems providing erroneous information which could cause rework and added project costs Setting the site up correctly the first time will enable site crew to work on getting the project completed, rather than wasting time on subsequent equipment setups When the site is setup correctly the productivity of machines and field crews is increased - when multiple setups are performed, the machine and site positioning systems go down until the site is setup 1 Setting Up a New Site for GPS Operations
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