| Project activities | Project activities | <div class="ExternalClassDDC00EEF220748EF9CD1FE358CD04BED"><p>
<strong>Site preparation</strong></p><ul><li>Prepare the site: The contractor will install fencing, set up site trailers, and deliver construction materials and equipment.</li><li>Relocate existing utilities: Some utilities will be relocated to accommodate the new infrastructure.</li><li>Remove trees: Trees are expected to be removed in the following areas: </li><ul><li>16 hazardous trees along Dewdney Trunk Road between Pier Drive and Cawthra Court to mitigate risk to the public</li><li>Four trees temporarily relocated at Dewdney Trunk Road and Lougheed Highway</li></ul></ul><p>
<strong>Construction</strong></p><ul><li>Install the water main: Water main will be constructed in segments where crews will excavate a trench, install shoring, install and weld steel pipes, backfill, and temporarily restore the area before moving to the next segment.</li><li>Construct an underground valve chamber: A valve chamber will be constructed at the northwest corner of Dewdney Trunk Road and Mariner Way. This work will involve excavating a large pit, installing shoring, building a concrete structure, and installing piping and equipment to regulate the flow of water through the distribution system. <img src="/services/water/ConstructionImages/Dewdney_Trunk_road_Water_Main_Pipe_Size_Graphic.jpg" alt="Dewdney_Trunk_road_Water_Main_Pipe_Size_Graphic.jpg" style="margin:5px;" /><br><br></li></ul>
<br><br></div> |
| Restoration | Restoration | <div class="ExternalClass75CDF74DA4264A91BDC5559616E82781"><p>All impacted areas including roadways, curbs, and landscaping will be restored to previous or better condition. </p><p></p><p>Metro Vancouver and the City of Coquitlam recognize the importance of trees in the community, and are committed to working together to meet tree restoration and replanting requirements. </p><p>We will share details about the restoration plans as they become available. <br></p></div> |
| Impacts and mitigation | Impacts and mitigation | <div class="ExternalClass52A71E6E11C549C89A10EC423700B4C4"><p>Metro Vancouver recognizes these projects will impact residents and businesses. During construction, the community will experience noise and vibration, parking restrictions, and partial or full road closures along the construction area. </p><p>Wherever possible, construction crews will implement measures to prevent or reduce construction impacts, including:</p><p><strong>Reduce noise and vibration</strong></p><ul><li>Minimize nuisance noise such as idling or warming up heavy equipment</li><li>Monitor noise and vibration to ensure the work is compliant with City of Coquitlam’s bylaws</li></ul><p><strong>Keep people moving safely and efficiently</strong></p><ul><li>Place traffic control personnel, detour signage, and other traffic management resources to help people moving near work areas</li><li>Maintain access to homes; however, residents may experience delays while driving or parking</li><li>Ensure emergency service vehicles have access to residences and businesses</li><li>Ensure sidewalks and pedestrian paths remain accessible or have detour options</li><li>Ensure sidewalks and pedestrian paths remain accessible or have detour options</li></ul><p><strong>Manage cleanliness, air quality, and dust</strong></p><ul><li>Sweep or water the construction site to keep the area clean</li><li>Cover construction vehicles, such as dump trucks, when travelling to and from site to reduce dust</li><li>Tidy the site at the end of each day</li></ul>
<br></div> |
| Work hours | Work hours | <div class="ExternalClass5F865E1BF1A04D3C9A57A7415A42C46A"><p>Typical hours of work will be:</p><ul><li><strong>Monday to Friday</strong>: 7:00 am to 8:00 pm</li><li><strong>Saturday</strong>: 8:00 am to 7:00 pm</li></ul>
<p>All work will comply with City of Coquitlam bylaws or granted bylaw variances. There may be times when construction crews will need to work longer hours to complete critical activities safely and efficiently. Metro Vancouver will notify the community about these activities in advance.</p></div> |
| Engagement | Engagement | <div class="ExternalClassA3E969C306E84BFCACAB4BE34367B2C1"><p>At Metro Vancouver we make decisions that impact over 3 million residents that live in our region. Metro Vancouver engages municipalities, businesses, and the public whenever we are working on a new program, policy, or project across our service areas. Learn more about our <a href="/about-us/community-engagement" target="_blank">engagement principles</a>.<br></p><p><strong>Keeping the community informed</strong></p><p>Metro Vancouver will keep the community informed about the project and engagement opportunities by sending updates through print notifications, email, social media, the project webpage, and on-site signage. You can subscribe to our mailing list to receive regular updates via email by selecting the project name on our <a href="/services/water/water-engagement-mailing-list" target="_blank">sign-up page</a>.</p><p>We also have a dedicated community liaison available throughout the project to address any questions or comments you may have.</p>
</div> |
| Public comment period | Public comment period | <div class="ExternalClass93C7B3620BD14EAC8B86108A470543CF"><p>Metro Vancouver held the public comment period for the Coquitlam Water Main - Cape Horn Section and Dewdney Trunk Road Water Main from September 8 to October 7, 2025. The purpose was to share project information and request input from local residents and businesses on how we can further minimize impacts during construction.<br></p><p>As part of the public comment period, we:<br></p><ul><li>Conducted an online survey from September 8 to October 7, 2025</li><li>Held an in-person open house on September 25, 2025<br></li></ul><div><div>Supporting materials:<br></div><div><ul><li>
<a href="/services/water/ConstructionDocuments/invite-postcard-open-house-and-survey-coquitlam-and-dewdney-trunk-road-water-main.pdf">Engagement Phase – 2025 – Postcard Invite<br></a></li><li>
<a href="/services/water/ConstructionDocuments/2023-display-open-house-display-panels-sep-2025.pdf">Engagement Phase – 2025 – Open House Display Panels<br></a></li><li>
<a href="/services/water/ConstructionDocuments/coquitlam-water-main-cape-horn-section-and-dewdney-trunk-road-water-main-feedback-highlights.pdf">Engagement Phase – 2025 – Feedback Highlights Postcard</a></li></ul><div>Metro Vancouver will report back to the community on what we heard later in 2025 via the project webpage and email.<br></div></div></div></div><br> |
| Project materials | Project materials | <div class="ExternalClass35DD13FA12AF4ACFAEDDEC24E14417E4"><ul class="fa-ul"><li>
<span class="fa-li"><i class="fa-light fa-file"></i></span>
<a href="/services/water/ConstructionDocuments/project-update-and-closures-at-mariner-way-dewdney-trunk-road-water-main.pdf">May 2026 Newsletter - Project Update and Upcoming Traffic Impacts</a><br></li><li>
<span class="fa-li"><i class="fa-light fa-file"></i></span>
<a href="/services/water/ConstructionDocuments/2026-april-dewdney-trunk-road-water-main-mariner-way-section-norman-ave-closure.pdf">April 2026 Newsletter - Norman Avenue Closure and Project Update</a><br></li><li>
<span class="fa-li"><i class="fa-light fa-file"></i></span><a href="/services/water/ConstructionDocuments/2026-march-project-update-and-sharpe-st-closure.pdf">March 2026 Newsletter - Project Update and Closure at Sharpe St</a><br></li><li>
<span class="fa-li">
<i class="fa-light fa-file"></i></span><a href="/services/water/ConstructionDocuments/2025-october-mobilization-letter-dewdney-trunk-road-water-main.pdf">Mobilization Letter - Dewdney Trunk Road Water Main - October 2025</a><br></li><li>
<span class="fa-li">
<i class="fa-light fa-file"></i></span>
<a href="/services/water/ConstructionDocuments/fact-sheet-cwmp-cape-horn-section-dewdney-trunk-road-water-main.pdf">Fact Sheet - Coquitlam Water Main Cape Horn Section and Dewdney Trunk Road Water Main</a><br></li></ul></div> |
| Related links | Related links | <div class="ExternalClass2EB7BC2807B047978C404B7706AE5832"><ul class="fa-ul"><li>
<span class="fa-li"><i class="fa-light fa-link"></i></span><a href="/services/water/coquitlam-water-utility-projects" target="_blank" title="Coquitlam Water Utility Projects">Coquitlam Water Utility Projects</a></li>
<li>
<span class="fa-li">
<i class="fa-light fa-link"></i></span><a href="/services/water/Pages/cape-horn-section.aspx" target="_blank" title="Coquitlam Water Main – Cape Horn Section">Coquitlam Water Main – Cape Horn Section</a></li>
<li>
<span class="fa-li"><i class="fa-light fa-link"></i></span><a href="/services/water/the-regional-system" target="_blank" title="Regional Drinking Water System">Regional Drinking Water System</a></li>
<li>
<span class="fa-li"><i class="fa-light fa-link"></i></span><a href="/services/water/water-conservation" target="_blank" title="Water Conservation">Water Conservation</a><br></li></ul></div> |