Adoption of network-type RTK-GPS for road ledger annex drawing modification work!
We would like to introduce a case study where the Kansai Division of PASCO Corporation adopted the JENOBA method using network-type RTK-GPS for the "Road Ledger Appendix Modification Work." The site is a general national road under the jurisdiction of the Osaka National Highway Office, with a total length of approximately 85 km. Due to the short construction period of 4 months, it was necessary to consider the work methods and processes. Given the work conditions, we established a policy to improve quality and accuracy, particularly in the measurement of reference points, implementing GPS static surveying using electronic reference points and network-type RTK-GPS using the JENOBA method (both indirect and direct methods with a single receiver). 【Solution】 - Adopted network-type RTK-GPS using the JENOBA method for the installation of relevant reference points. - For areas with poor overhead visibility during reference point surveying, a combination of GPS and TS was used. - Implemented a point distribution plan that took into account areas under construction. - Considered the efficiency of work through planning that accounted for existing and planned reference points from other organizations. - Established reference points within the system (including those from other organizations) and introduced an inspection system using ArcGIS. *For more details, please refer to the PDF document or feel free to contact us.
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**Technical Features of Each Process (Excerpt)** ■ Benchmark Survey - Class 3 benchmark survey → Conducted using GPS static - Class 4 benchmark survey → Conducted using network RTK and TS ■ TS Topographic Survey - Maintains an accuracy of 0.2mm on the map - Conducted boundary point observations on the edge of roads ■ Geodetic Result 2000 Transformation - Maintains an accuracy of 0.5mm on the map - Sets regional parameters based on the difference between TS topographic survey and old data ■ Digital Mapping - Maintains an accuracy of 0.5mm on the map - Standardization of acquisition classification and mapping is implemented *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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Genova Corporation is a company that provides high-precision location information services using GNSS satellites. Currently, applications utilizing network-based RTK (Real-Time Kinematic) are expanding. Our high-precision positioning data services are used in numerous fields, including autonomous driving, precision agriculture, i-Construction/ICT construction, UAVs, general surveying, civil engineering, research work, land and building surveying, and archaeological investigations.