Liffey Service Tunnel

Liffey Service Tunnel

Infobox tunnel
name = River Liffey Service Tunnel
location = Dublin, Ireland
coordinates =
startwork = 2007
owner = Dublin City Council
construction= Pipe Jacking
length = 260m
height = 2.5m ID

The Liffey Service Tunnel is a service tunnel for various pipelines in Dublin, Ireland, owned by [http://www.dublincity.ie/ Dublin City Council] .

The tunnel was designed by [http://www.atkinsglobal.com/ Atkins] and constructed by a Joint Venture of the German Contractor [http://www2.zueblin.de/ Ed. Züblin AG] , Stuttgart and the Irish Contractor [http://www.clearydoyle.com/ Cleary & Doyle Contracting Ltd.] , Wexford. Construction period was from September 2006 until October 2008.

Tunnel specifications

*Length: 260 m
*Bores: 1
*Bore width: 2.96 m
*No. of Pipes: 107

Tunnel design

The tunnel is built in pipe-jacking using a [http://www.herrenknecht.com/ Herrenknecht] tunnel boring machine (TBM) and 2.5m 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, approx. 150m west of The Point Theatre.The drive and reception shafts are 19 resp. 22m deep, leaving the tunnel passing approx. 8m below the shipping channel of the river.

External links

* [http://www.dublincity.ie/ Dublin City Council official website]
* [http://www.atkinsglobal.com/ Atkins official website]
* [http://www2.zueblin.de/ Ed. Züblin AG official website]
* [http://www.clearydoyle.com/ Cleary & Doyle Contracting Ltd. official website]
* [http://www.herrenknecht.de/en/ Herrenknecht AG] — makers of the tunnel boring machine used.


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