Hydraulic Studies

Large reclamation projects may affect the flow of water, sediment
transport and wave activity in the harbour. To minimise any adverse
effects, the Civil Engineering Department employs sophisticated hydraulic
models to analyse the likely effects of proposed schemes and check that
they are within acceptable limits. The models are used for reclamation
layout planning, design of marine structures, waterway studies and
assessment of future maintenance dredging requirements. The models
comprise computer-based mathematical models and a large physical
model housed in the Harbour Hydraulics Laboratory at Tuen Mun.

To meet the requirements for comprehensive assessments of impact on
the harbour arising from the large reclamation projects being planned, the
Civil Engineering Department is enhancing the physical and mathematical
models to improve their predictive capacity. Enhancement of the physical
model has been completed. Upgrading of the mathematical models began
at the end of 1996 and was completed at the end of 1997.

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