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Gallant Avenue storm sewer replacement
To help reduce the risks of flooding, we are replacing the storm sewer along Gallant Avenue in Deep Cove starting in the early spring of 2021.
The existing storm sewer — which was subject to flooding in 2014 and 2018 — must be replaced due to the increasingly heavy storms caused by our changing climate. When complete, the new sewer will be able to handle a one-in-200-year flood, help mitigate debris flows (branches, mud, and rocks that can block sewers), and provide an improved habitat for fish in the inlet.
We expect the project to be completed by late summer or early fall of 2021.
To accommodate Gallant Ave storm sewer construction, we are creating a temporary detour using Naughton Ave. We want to know what you think should be done once construction is complete. Tell us your ideas for Naughton Ave
News and updates
April 12, 2021 — BC Hydro infrastructure relocations update
Pre-works for the BC Hydro infrastructure relocation are complete. There will be a pause in work until BC Hydro crews complete the final tie-ins, which is expected to happen in the next several weeks and will last only a few days.
There will be some single-lane alternating traffic and a short, scheduled power outage. More details on the dates and the scheduled power outage will be posted here once confirmed.
March 25, 2021 — BC Hydro infrastructure relocations have started
Crews are now working on upper Gallant Avenue and Deep Cove Road to relocate BC Hydro’s electrical infrastructure. These relocations must be completed before any other work can begin on this project.
The current BC Hydro work will take approximately 3-4 weeks. During this period, you may experience some travel delays; please allow for additional time in your travel schedule.
March 17, 2021 — Share your ideas for Naughton Avenue
To accommodate construction, we are creating a temporary detour using Naughton Avenue. We want to know what you think should be done once construction is complete.
Should Naughton Avenue become a multi-use path? Be removed and retreed? Kept as a vehicle link? Used a different way? Nothing is off the table, so please share your ideas!
Detour and traffic impacts
Current traffic impacts
Until mid-April, 2021, expect intermittent single lane alternating traffic on Deep Cove Rd and Gallant Ave, near Caledonia Ave. Traffic control personnel will be on site to assist vehicles, cyclists, and pedestrians.
View our map of District-wide construction-related traffic impacts
Detours during construction
Replacing the storm sewer requires significant excavation of upper Gallant Avenue, which will disrupt traffic and parking in the area.
To ensure the safe and efficient flow of cars, bikes, and pedestrians in and out of Deep Cove, we will create a detour by temporarily opening and extending approximately 100 metres of the Naughton Avenue right-of-way between Panorama Drive and Deep Cove Road.
This will allow us to create a short, counter-clockwise one-way loop, as shown here.
Details & Drawings
Updated engineering drawings
The following are updated drawings for the Naughton Avenue detour, the Panorama Park landscaping and the upper Gallant north sidewalk. Other drawings can be obtained by sending a request to JordanW@dnv.org. Please note that the Naughton Avenue detour drawing is subject to change based on community feedback about traffic operations on Naughton east of Deep Cove Crescent.
Take a closer look at the sewer replacement project
Watch this video for complete details of the Gallant Avenue storm sewer replacement project, including information about the temporary construction detour and our plans for traffic management and pedestrian safety during construction.
The video is a rerecording of a staff presentation to the Deep Cove Community Association on January 27, 2021.
Get an update on the sewer replacement project
Watch this video for updates on our revegetation plans, the Naughton detour design, our upcoming public engagement process regarding the final use of the detour, and more. The information in this video builds on information shared during the January 27, 2021 video.
The video is a rerecording of a staff presentation to the Deep Cove Community Association on March 17, 2021.
Creating the detour route
A temporary detour using Naughton Avenue is the safest and most effective way to minimize disruption to Deep Cove residents and businesses throughout construction. By temporarily opening Naughton Avenue, we can:
- avoid single lane alternating traffic through the work zone, which would result in heavy delays exiting Deep Cove during the busy summer season
- avoid a circuitous detour through the surrounding neighbourhood and elementary school
- improve the safety and performance of the Panorama/Gallant intersection by streamlining traffic
- ensure emergency response vehicles have direct access into and out of Deep Cove
Other routes we considered
Other construction detour options were evaluated to preserve the safe and efficient flow of pedestrians, transit, and traffic into, out of, and within Deep Cove during the storm sewer project including:
- Single lane alternating traffic on upper Gallant
- Clockwise or counter-clockwise one-way loop along Cliffmont, past Cliffmont Elementary and along Rockcliff
- One-way loop into and out of Deep Cove on a new Naughton Avenue extension, connecting Deep Cove Road to Naughton Avenue (the chosen option)
We assessed each option for pedestrian and cyclist safety, traffic flow and delay, and traffic and transit operation. Vehicle, cyclist, and pedestrian counts were taken at several locations throughout Deep Cove and used to simulate mobility and delay. We also evaluated impacts to transit service and assessed each route for operational issues such as road widths and turning radius.
The single lane alternating option on Gallant was eliminated because it would cause gridlock exiting Deep Cove for residents, transit, and visitors.
The Cliffmont/Rockcliff route was eliminated because of pedestrian safety close to the elementary school, excessive delays along the entire route, road width and turning radii challenges for vehicles, and extensive impacts to transit service and routing.
The Naughton Avenue extension has minimal impact to traffic flow, is the safest option for pedestrians, has very minimal impact on transit service, and has sufficient width to accommodate traffic safely.
Other projects in Deep Cove
The provincial and federal governments are offering grant funding to communities who want to improve their outdoor spaces, in light of the COVID-19 pandemic. We are exploring opportunities to create a more liveable Deep Cove by applying for this funding, which would cover 100% of the costs involved.
This proposal is not directly related to the Gallant Ave storm sewer replacement project. The temporary construction detour being put in place to accommodate the sewer replacement does not need to remain in place at the end of the project in order for this project to work.
As this video overview explains, this project is subject to approval of the grant funding and public engagement with the community.