Tranquille Road Sanitary Main Upgrade

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The sanitary sewer trunk main along Tranquille Road, which extends from Aviation Way to 12th Street, services a total population of 39,170 and is one of the city’s most critical sewer mains. The trunk main is nearing the end of its life and requires replacement and increase in capacity.

In 2013 and 2014, the City of Kamloops hired a consultant to assess the condition of the Tranquille Road sanitary gravity main from the North Primary Lift Station to 12th Street, using CCTV and sonar assessment. From the study, the City prioritized replacement of the gravity main into 3 phases:

Phase 1 - North Primary Lift Station to Crestline Street - Completed in 2017

Phase 2 – Southill Street to 12th Street - Construction 2020/2021

Phase 3 – Crestline Street to Southill Street - tentatively planned for 2025 or beyond

In 2017, the City of Kamloops replaced the sanitary gravity main from the North Primary Sewer Lift Station (near the Kamloops Airport) to Crestline Street and Tranquille Road, which included upsizing the new gravity main from a 900 mm main to a 1,050 mm main.

For Phase 2, a 900mm PVC gravity main will be constructed within the existing road right of way and is anticipated to start in early spring 2020. In addition to the main replacement, proposed upgrades along the corridor include pedestrian paths, landscaping, and intersection and boulevard improvements.

The City is committed to engaging the public and stakeholders throughout the project.

Please note that residents are advised that throughout the construction period, vibratory compaction equipment will be in use; therefore, any fragile items should be packaged or protected from any damage due to vibration.

Follow updates on the project by hitting “subscribe” below, or use the Q&A tab to leave us a question.


Physical Distancing: With the COVID-19 pandemic, Extreme Excavating and any project sub-contractors will take every precaution to help ensure the safety of crews and the general public within the construction site, including reducing crew numbers and following the guidelines for physical distancing set out by the Public Health Officer. For more details on how the City is responding to COVID, visit: LetsTalk.Kamloops.ca/COVID.

The sanitary sewer trunk main along Tranquille Road, which extends from Aviation Way to 12th Street, services a total population of 39,170 and is one of the city’s most critical sewer mains. The trunk main is nearing the end of its life and requires replacement and increase in capacity.

In 2013 and 2014, the City of Kamloops hired a consultant to assess the condition of the Tranquille Road sanitary gravity main from the North Primary Lift Station to 12th Street, using CCTV and sonar assessment. From the study, the City prioritized replacement of the gravity main into 3 phases:

Phase 1 - North Primary Lift Station to Crestline Street - Completed in 2017

Phase 2 – Southill Street to 12th Street - Construction 2020/2021

Phase 3 – Crestline Street to Southill Street - tentatively planned for 2025 or beyond

In 2017, the City of Kamloops replaced the sanitary gravity main from the North Primary Sewer Lift Station (near the Kamloops Airport) to Crestline Street and Tranquille Road, which included upsizing the new gravity main from a 900 mm main to a 1,050 mm main.

For Phase 2, a 900mm PVC gravity main will be constructed within the existing road right of way and is anticipated to start in early spring 2020. In addition to the main replacement, proposed upgrades along the corridor include pedestrian paths, landscaping, and intersection and boulevard improvements.

The City is committed to engaging the public and stakeholders throughout the project.

Please note that residents are advised that throughout the construction period, vibratory compaction equipment will be in use; therefore, any fragile items should be packaged or protected from any damage due to vibration.

Follow updates on the project by hitting “subscribe” below, or use the Q&A tab to leave us a question.


Physical Distancing: With the COVID-19 pandemic, Extreme Excavating and any project sub-contractors will take every precaution to help ensure the safety of crews and the general public within the construction site, including reducing crew numbers and following the guidelines for physical distancing set out by the Public Health Officer. For more details on how the City is responding to COVID, visit: LetsTalk.Kamloops.ca/COVID.

  • Project Update for July 23

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    Week of July 26
    This week, crews will complete the final sewer force main tie-in near 12th Street which will require vactor trucks working at the City’s sanitary lift station located at McArthur Island and dumping into the manhole on Tranquille Road at 13th Street.

    Electrical work continues along the corridor. Surface restoration and roadworks continue in preparation for upcoming paving.
  • Project Update for July 16

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    This week the sewer force main tie-in at 12th Street/Tranquille Road was completed, as was the Arlington Crescent sewer main installation. Roadworks and sidewalk preparations continue the week of July 19. Paving of the corridor is tentatively scheduled for early August.

    Centre Median Landscaping
    As part of the Tranquille Road Sanitary Main Upgrade project, three centre medians between Holt Street and 12th Street are receiving landscaping upgrades, including a variety of plants and trees. Landscaping in the median west of Singh Street was completed several weeks ago. Work in the medians east of Arlington Crescent and east of 13th Street will begin soon.
  • Project Update for July 12

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    The end is in sight as we move into week 20 of this year’s Tranquille Road Sanitary Main Upgrade project which remains on schedule for completion early Fall 2021. Thank you Brocklehurst residents, businesses and visitors for your continuing patience and cooperation!

    Week of July 12

    Crews will be prepping for the sewer force main tie-in at 12th Street, as well as completing the new sewer main installation at Arlington Crescent near Fire Hall #2. Roadworks and sidewalk preparations continue.

    What’s the difference between a gravity main and a force main?

    Gravity is usually the primary force pushing wastewater from its place of origin to its final location for treatment. However, when gravity can’t transport the wastewater from point A to point B, pressurized sewer pipes called force mains, are required.

  • Project Update for July 2

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    Week of July 5

    Due to the excessive heat this week, crews worked reduced hours. Consequently, the week of July 5, crews will complete the following:

    • Electrical crossing near Lepine Street;
    • Pedestrian signal upgrades at Valhalla Drive;
    • Installation of the final 100m of 900 mm gravity sewer;
    • Installation of the new sewer main at Arlington Crescent near Fire Hall #2.

    Sidewalk restoration and curb and gutter concrete work will take place throughout the construction zone.

  • Project Update for June 28

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    Monday, June 28th through Wednesday, June 30th

    The electrical crossing will be completed near Lepine Street. Pedestrian signal upgrades begin at Valhalla Drive.

    Crews will be installing the final 100m of 900 mm gravity sewer, as well as installing the new sewer main at Arlington Crescent near Fire Hall #2.

    Preparation work for sidewalk restoration and curb and gutter continues throughout the construction zone.

    Canada Day

    Crews will be taking Thursday, July 1 through Sunday, July 4 off to enjoy the Canada Day long weekend with their families, returning the morning of Monday, July 5.

  • Project Update for June 21

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    Week of June 21

    Crews will be installing new sewer main at Arlington Crescent near Fire Hall #2. Crews will also be prepping for the force main tie-in at 13th Street, and completing water main work near Valhalla Drive.

    Pedestrian signal upgrades have been completed at Cambridge Court and at Popp Street. Upgrades of the third pedestrian signal at Valhalla Drive will begin soon.

    Preparation work for sidewalk restoration and curb and gutter will continue, as will landscape restoration along the corridor.

    Traffic webcams are in place on Tranquille Road at Singh Street and at 12th Street. Watch the project progress by viewing the webcams at LetsTalk.Kamloops.ca/Tranquille.

    Did you know…?

    All of Westsyde’s sewage ends up at 13th Street and Tranquille Road via a 350mm force main where it discharges into the new 900 gravity sewer main.

  • Project Update for June 14

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    Week of June 14
    Crews continue installing the new 900mm gravity sewer main, as well as completing pedestrian signal upgrades at Popp Street, and landscape restoration between Desmond Street and Holt Street.

    So, what’s left?
    The Tranquille Road project involves the installation of 830 metres of new sewer main between Singh Street and 12th Street. Once the sewer main installation has been completed, crews will focus on road works, including road restoration and curb and gutter work, in preparation for paving of the corridor.

    Three pedestrian signals between Singh Street and 12th Street were identified for upgrades as part of this year’s Tranquille Road project. The signals at Cambridge Court have now been upgraded, and crews are currently completing the signalization upgrade at Popp Street. Once that is complete, they will begin work on the Valhalla Drive pedestrian signal.

    A road infrastructure project is more than just pipes in the ground. Crews have been hard at work completing landscape restoration on City boulevard and impacted properties between Southill Street and 12th Street.

    Did you know…?
    150 lineal metres of water main upgrades were completed this year as part of the Tranquille Road project. These upgrades were carried out at 12th Street, 13th Street, Barrie Drive, Valhalla Drive and Popp Street.
  • Project Update for June 7

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    Week of June 7
    Installation of the new 900mm gravity sewer main recommences Monday heading east. Once pedestrian signal upgrades are completed at Cambridge Court this week, crews will start updating the signalization at Popp Street. Landscape restoration continues between Desmond Street and Holt Street.

    Did you know…?
    Tranquille Road used to called Brocklehurst Road and Ord Road was originally known as Tranquille Road. When the first Kamloops airport was built, the BC Ministry of Highways improved the local road to the airport and renamed it the Tranquille Highway.
  • Project Update for May 28

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    Week of May 31

    Hydro work has been completed near Lepine Street and crews have recommenced installation of the new 900mm gravity sewer main heading east.

    Installation of the 200mm gravity sewer has been completed and tie-ins to the sewer main on the north side of Tranquille Road will take place the week of May 31. Road restoration will continue.

    Pedestrian signal upgrades will commence at Popp Street and at Valhalla Drive, and landscape restoration will continue throughout the Tranquille Road corridor.

    Did you know…?

    The sanitary sewer trunk main that runs along Tranquille Road from Aviation Way to 12th Street services all of Brocklehurst, North Kamloops, Batchelor and Westsyde - more 39,000 residents.

  • Project Update for May 25

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    Week of May 25

    As we move into week 13 of this year’s Tranquille Road Sanitary Main Upgrade project, we acknowledge Brocklehurst residents, businesses and visitors for your continuing patience and cooperation. The project is currently on schedule for completion early Fall 2021.

    The week of May 25, crews will be doing sidewalk restoration between Cambridge Crescent and Ollek Street. Pedestrian access is being maintained throughout the construction zone; however, please respect and follow direction from traffic control devices and flaggers, cross at marked crosswalks or designated walking areas, and make eye contact with drivers and wait for them to stop before crossing. Let’s all stay safe!

    Installation of the 200mm gravity sewer continues east towards Valhalla Drive. When Hydro work is complete near Lepine Street, crews will continue with the new 900mm gravity sewer main installation heading east from Lepine Street. Cambridge Crescent pedestrian signal upgrades are scheduled to be completed this week.

    Landscape work in the median between Holt Street and Singh Street is now complete. Crews continue with landscape restoration along the Tranquille Road corridor.