maintenance dredging

It undertakes maintenance dredging of river and navigation channels, and anchorage areas.

此外,河道、航道和船只碇泊处的疏浚工程,也由该署负责.

Technical specification for excavation volume measurement in maintenance dredging engineering for port on muddy ground

淤泥质港口维护性疏浚工程土方计量技术规程

Performing a sedimentation study of the port, Delft Hydraulics developed various solutions including by-pass maintenance dredging, relocating the port entrance, and shielding the port with a sand trap breakwater.

为此，德尔夫特水工研究所（Delft Hydraulics）进行了港池防淤研究，提出旁泄式维护性疏浚、重新布置口门、建屏蔽式拦沙防波堤等多种解决方案。

Causes for Formation of Shallow Points in Waters at Tianjin Port and Its Influence on Interval of Maintenance Dredging

天津港水深浅点形成原因及其对维护疏浚周期的影响

It also oversees maintenance dredging of navigation channels and anchorage areas.

此外,航道和船只碇泊处的疏浚工程,也由该署负责.