functions

Hydrographic Survey Section

Channel surveying and mapping

Surveying and technical suggestions for waterways of the cross river bridges

To provide technical suggestions from river engineering points of views at construction of cross river bridges.

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River Engineering Section

Construction of river training structures to achieve adequate water depth

River bank protections

River training and bank stabilization for the long term existence of the cross river bridges.	Bank protection of Border Rivers.

To utilize the river water for agriculture all the year round.

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Dredging Section

Dredging in river constraints Bend cutting for improvement of waterways and erosion protection Dredging to improve approach channel for pump irrigation Dredging for new navigation channel

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Navigation Section

Provision of navigation aids. Promulgation of navigation warning

Snag removing

Monitoring and marking of approach channels for the cross river bridges according to seasonal changes. Administration of Twantay canal navigation.

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Hydrological Research and Planning Department

Establish the data banks to support the river training works.

Forecast the Least Available Depth along the inland rivers

Execute research works for the river training projects.

Monitor the environmental impact by the changes of water quantity and quality

Develop the yearly, monthly and daily water level hydrographic envelopes