Real-time control of work boats using GPS.
This is a system for guiding work vessels such as sand compaction, sand drains, and CDM (Cement Deep Mixing) for ground improvement work in harbor and coastal construction to their operational positions. By using two RTK-GPS units, it can correct not only the position but also the twist in real-time, allowing for easy guidance of the vessel to the designated position while checking the computer screen. Compared to traditional guidance methods using total stations, it does not require maintaining a line of sight and is not affected by weather conditions, thus leveraging the advantages of GPS.
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basic information
***Features*** The accuracy of Real-Time Kinematic (RTK) GPS is approximately 1 centimeter, allowing for guidance of the hull's position and twist in centimeter units. The amount of deviation during positioning is recorded internally on the analysis computer and can be printed as results. Since GPS is used, it is not affected by weather or time constraints. There is no need to deploy personnel at land points. Coordinates: The coordinates used for construction can be either public coordinates or local coordinates, and they are reflected in the guidance screen display. Coordinate systems: Coordinate systems 1 to 19 within Japan (compatible with both old and new geodetic systems) and associated local coordinates can be used. Geodetic systems: It is possible to switch between the old geodetic system (Tokyo Datum, Japan Geodetic System) and the new geodetic system (JGD2000, World Geodetic System). With an automatic GPS setup feature, it can be easily configured even by those who are not familiar with GPS. Additionally, it is packed with practical features such as entry direction to the work area, pile arrangement (triangular or rectangular), pile numbering, individual pile coordinate verification, and correction of fixed station coordinates.
Price information
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Applications/Examples of results
Positioning of various work vessels such as sand compaction vessels, sand drain vessels, and CDM vessels.
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Company information
Rex Co., Ltd. is a leading company that rents measuring instruments such as measuring devices, surveying equipment, weighing instruments, and inspection equipment. ■ Measurement Instrument Rental Business Rex offers over 1,000 types and more than 20,000 units of measuring instruments. We have everything from the latest models to renowned instruments that are not available from manufacturers. Please let us know the issues you are facing; we are sure you will find a measuring instrument that will be helpful. ■ Measurement System and Information Technology Construction Business In addition to renting measuring instruments, we also provide a rental service for systems that utilize these instruments. We handle a wide range of measurements, from work environment measurements such as noise and vibration to structural measurements like three-dimensional and displacement measurements. Additionally, we can propose the development of original measurement systems and measurement outsourcing tailored to your needs. ■ Measurement Instrument Calibration and Inspection Service We perform calibration for the measuring instruments you own. Rex Co., Ltd. is certified by the Japan Surveying Instrument Manufacturers Association and manufacturers for maintenance. No manufacturer restrictions!