Dublin Port has launched a public consultation on the third part of its masterplan project, which includes a new bridge over the River Liffey.
The 190m structure will be to the east of the Tom Clarke Bridge and will part of a new 2.2km road that will link the northern and southern areas of the port.
The aim is to remove heavy goods vehicles off the local roads in the area.
Other parts of the plan include the largest container terminal in Ireland, located in front of the ESB's Poolbeg Power Station, that will have 650m of deep water berths.
Relocating container traffic to the east of the port will enable the building of a new ro-ro terminal north of Sean Moore roundabout.
There will also be a new 325 metre ship turning circle in front of Pigeon House Harbour.
A utility area will be added for other service providers, including the district heating system powered by the Covanta-operated waste incinerator.
Community facilities will include a sailing and rowing campus in a new maritime village, while there will also be a new port park and landscaped area.
"Growth in volumes has been driven by a vibrant economy which has resulted in an increase in household consumption, but also a hugely successful export sector," said Dublin Port chief executive, Barry O'Connell.
"Exports now account for 40% of all movements through the port with at least some of the 60% of imports also comprising of raw materials later to be exported.
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"With the value of exports up to 3.5 times that of imports it is clear to see how important the export sector is to the economy and indeed, how successful the State’s FDI strategy has been."
The 3FM project is the final piece of the port’s masterplan and it is hoped to have it completed by 2040 to provide some of the new capacity needed for the future.
It is focused on the Poolbeg Peninsula on the south side of Dublin Bay.
The company said the 3FM project completion will not negate the need for further new port facilities elsewhere on the east coast.
However, without it the port would hit capacity much sooner, possibly as early as 2030.
The consultation period will close on Friday 28 April.
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However, some local residents in the area near Dublin Port have complained about what they claim are proposals to hijack land on the Poolbeg Peninsula for the construction of a boiler station and the largest container storage facility in Ireland.
The Sandymount and Merrion Residents' Association (SAMRA) said the proposal to use 20 acres of land next to an accredited UNESCO Marine Biosphere and an EU Conservation Area noted for its rare and internationally important habitats and species of wildlife, to build a container storage facility and boiler station is wrong.
"This creeping type of port development is not how this unique finite city central resource should be used. It may suit the businesses operating in the port but it is regressive for the needs of the community," said David Turner Chairman of SAMRA.
"3FM needs to return to the drawing board".