| River Liffey Service Tunnel | |
| Location: | Dublin, Ireland |
| Coordinates: | 53.3467°N -6.2303°W |
| Startwork: | 2006 |
| Opened: | 2008 |
| Owner: | Dublin City Council |
| Construction: | Pipe Jacking |
| Height: | ID |
The Liffey Service Tunnel is a service tunnel for various pipelines in Dublin, Ireland, owned by Dublin City Council.[1]
The tunnel was designed by British company Atkins[2] and constructed by a joint venture of the German contractor Züblin and the Irish contractor Cleary & Doyle of Wexford. Its construction took place from September 2006 until October 2008.
The tunnel is long and consists of a single bore of diameter . It was built in pipe-jacking using a Herrenknecht tunnel-boring machine and -long precast reinforced-concrete pipes. The tunnel leads from the southern edge of the East Link Bridge, underneath the River Liffey towards the North Quay Wall, approximately west of 3Arena. The drive and reception shafts are respectively and deep, leaving the tunnel passing approximately below the shipping channel of the river.