Title: Preparation Work for Establishing Depth Charts Using Depth Sounders

14:08, 11/07/2024

On December 15, 2017, the Ministry of Transport issued Circular 49/2017/TT-BGTVT, specifically regulating the preparation of depth contour mapping using depth measuring devices.

According to Circular 49, when preparing to create a depth profile using a depth sounder, the following steps must be carried out:

- Based on the assigned tasks and technical requirements, develop a construction plan concerning schedule, manpower, equipment, materials, transportation, and accommodation;- On the basis of the prepared construction plan, fully prepare the materials, equipment, and tools for the project;- Inspect the floating means used for the survey (boats, canoes) and ensure adequate fuel is prepared;- Check the operational status of equipment for depth soundings, including positioning systems, echo sounders, water level gauges, computers, and survey software;- Configure settings on the measuring devices;- Install data collection policies;- Set the system parameters;- Test and calibrate survey equipment as required.

For more details, see Circular 49/2017/TT-BGTVT, effective from February 15, 2018.

-Thao Uyen-

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