It will be 2.5 metres higher than the original one.
The idea's to protect the train track and stop the line being closed and damaged as happened during storms in 2014.
Work is expected to being in the Spring and be completed by 2021.
80 million pound Government investment for new Dawlish sea wall
More from Local News
-
Storm overflow prevention work set for Plymouth
But it will take five years
-
Help needed to find Exminster pensioner
Concerns for Charles Fulton, 74
-
City lose at home again
Kyle Wooton brace gives Stockport win over sorry Exeter
-
Calls for inclusion on Plymouth lord mayor role
It traditionally alternates between Conservative and Labour
-
Upgrades to Plymouth storm overflows to take place
Hoe bathing waters are priority to stop sewage discharges
