Dahej LNG terminal
Modelling of wave disturbance with currents
client Ballast Nedam International
location Dahej, India
Ballast Nedam International appointed HR the centre line of the proposed LNG berth.
Wallingford to undertake hydraulic modelling Longitudinal and transverse current strengths
studies for a planned LNG terminal, including a were measured at the centre of the berth. To
breakwater and an unloading jetty, at Dahej in assess the design with respect to potential
the Gulf of Khambhat on the west coast of India. berth tenability, wave height and current results
were compared with supplied operational
HR Wallingford was commissioned to construct criteria for the moored LNG carrier.
a 1:110 scale physical model and test a range of
operational conditions to assess the tenability of The results of the wave measurements showed
the berth. Both ebb and ﬂood conditions up to that under a third of the conditions tested
2.5m/s were tested along with wave conditions exceeded the given threshold level. The results
representing storm events. of the current measurements showed that the
ﬂows in all of the tests passed the maximum
Wave heights and currents were measured current threshold criteria.
CAR3071 PDS125 MAP 0111
across the study area key locations and along