Second Narrows Water Supply Tunnel

<div class="ExternalClassF1001AB2A84642FD84F998C4F1C6804C"><p>Metro Vancouver is constructing a new water supply tunnel deep under Burrard Inlet, east of the Ironworkers Memorial Bridge between the District of North Vancouver and the City of Burnaby. This project is one of five new regional water supply tunnels that are being designed to meet current seismic standards to ensure the reliable delivery of drinking water in the region in the event of a major earthquake. When complete, the tunnel will also increase the capacity of the existing system to meet the long-term needs of the growing population. </p><p>The new water supply tunnel will be excavated deep underground using a tunnel boring machine. The tunnel boring machine will launch from a vertical entry shaft on the North Vancouver side and progress south under Burrard Inlet to the vertical exit shaft on the Burnaby side. Once the tunnel is excavated, three steel water mains will be installed inside the new tunnel and connected to the new valve chambers at each shaft site, and into the region’s drinking water system. </p> </div>

Under Burrard Inlet, east of the Ironworkers Memorial Bridge between the District of North Vancouver and the City of Burnaby

Second Narrows Water Supply Tunnel – TBM Breakthrough 2021	Second Narrows Water Supply Tunnel – TBM Breakthrough 2021	601347670
Second Narrows Water Supply Tunnel Update 2020	Second Narrows Water Supply Tunnel Update 2020	425260889

Second Narrows Water Supply Tunnel Alignment Map	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/_t/SNWST-Alignment-Map_Jan2019-update_jpg.jpg	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/Forms/DispForm.aspx?ID=53&RootFolder=/services/water/engagement/construction-projects/ConstructionProjectPictures	Second Narrows Water Supply Tunnel Alignment Map
Cross section of the Second Narrows Supply Tunnel	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/_t/Cross_Section-SNWST_2018-Feb_jpg.jpg	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/Forms/DispForm.aspx?ID=89&RootFolder=/services/water/engagement/construction-projects/ConstructionProjectPictures	Cross section of the Second Narrows Supply Tunnel
SecondNarrows-TunnelSizeImage	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/_t/SecondNarrows-TunnelSizeImage_jpg.jpg	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPictures/Forms/DispForm.aspx?ID=92&RootFolder=/services/water/engagement/construction-projects/ConstructionProjectPictures	SecondNarrows-TunnelSizeImage

<div class="ExternalClass6DB6C6E84171424CBBACD53D8B9A76E7"><p>Construction Activities Include: </p><ul><li>Shaft excavation and shoring </li><li>Valve chamber and pipe installation </li><li>Welding, backfilling and restoration </li></ul></div>

2019 – 2025

Second Narrows Water Supply Tunnel Fact Sheet	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPublications/Second Narrows Water Supply Tunnel Fact Sheet.pdf	Second Narrows Water Supply Tunnel Fact Sheet
Newsletter - Ground Investigation Work - Second Narrows Water Supply Tunnel Project - May 2022	http://www.metrovancouver.org/services/water/engagement/construction-projects/ConstructionProjectPublications/Newsletter-Ground-Investigation-Work-Second-Narrows-Water-Supply-Tunnel-Project-2-May-2022.pdf	Newsletter - Ground Investigation Work - Second Narrows Water Supply Tunnel Project - May 2022

January 2019 Open House

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Learn about Metro Vancouver’s drinking water system

<div class="ExternalClass206EA6CC18614BEBA3CE9E0A7FEB3CE0"><p><strong>Mon. to Fri. (8:00 am - 4:30 pm)</strong></p><p>Metro Vancouver Information Centre<br> (Community Liaison Officer) <br>604-432-6200 <br> <strong>Email:</strong><br><a href="mailto:icentre@metrovancouver.org?subject=Second%20Narrows%20Water%20Supply%20Tunnel%20Project"> Information Centre</a><br></p></div>

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