Facility now not expected to be complete until July 2021
Dredging is required in the development of a new ferry terminal in Liverpool.
Infrastructure Minister Ray Harmer has confirmed the position following an update on the project in Tynwald.
The news came after a delay was announced to the work, which is set to cost a total of £38 million.
It's now set to be completed by 21 July, 2021.
Mr Harmer says there are many complicated facets to the construction:

Onchan election result stands but Edge loses votes
'Not realistic' to say road fuel increases create a specific windfall in VAT
One person treated for smoke inhalation following Anagh Coar flat fire
Community information sessions planned for offshore wind farm proposal