Daduhe Company Adopts Unmanned Survey Vessel to Measure River Cross Sections

On June 9, the Daduhe Hydropower Development Co., Ltd. under China Energy for the first time used a mini unmanned survey vessel to measure the downstream river cross section of Shaping II Hydropower Station, which ensured the measurement accuracy and opened the era of “river cross section measurement with unmanned vessel” for hydropower stations in the Dadu River basin.

Introduced by the company in 2020, the mini intelligent survey vessel had previously been used for measurement in the reservoir area. In the past, surveyors needed to board on a rented boat to carry out river cross section measurement, which might present safety risks such as falling into the water and collision with other boats in the river, and the water waves and the stability of the boat directly affected the measurement accuracy. The adoption of the unmanned vessel allows the surveyors to stay on the banks to complete efficient and accurate measurement of river cross sections, with operational efficiency and safety improved greatly compared to the traditional method.