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.

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 situation, 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.

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 situation, 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.

  • Stage 2 Starts July 6

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    8 days ago

    Tranquille Road Sanitary Main Upgrade Project Stage 2 Starts July 6

    Starting Monday, July 6, Extreme Excavating will begin work on Stage 2 of the Tranquille Road Sanitary Main Upgrade Project. Stage 2 encompasses Tranquille Road from Desmond Street to Holt Street and is anticipated to be completed by mid-September.

    Stage 1 (Tranquille Road from Southill Street to Desmond Street) also continues as crews complete road restoration work and install a multi-use pathway on the south side of Tranquille Road between Southill Street and Desmond Street.

    From July 6 to 12, there will be a full closure of the Desmond...

    Tranquille Road Sanitary Main Upgrade Project Stage 2 Starts July 6

    Starting Monday, July 6, Extreme Excavating will begin work on Stage 2 of the Tranquille Road Sanitary Main Upgrade Project. Stage 2 encompasses Tranquille Road from Desmond Street to Holt Street and is anticipated to be completed by mid-September.

    Stage 1 (Tranquille Road from Southill Street to Desmond Street) also continues as crews complete road restoration work and install a multi-use pathway on the south side of Tranquille Road between Southill Street and Desmond Street.

    From July 6 to 12, there will be a full closure of the Desmond Street and Tranquille Road intersection as crews install the new sewer main through the intersection. All vehicle traffic, with the exception of local traffic, on Tranquille Road between Southill Street and Holt Street will be detoured via Greenfield Avenue. Access to the Brock Shopping Centre and Desmond Street businesses and residences will be from Desmond Street. Transit will be rerouted to Greenfield Avenue and Sunnycrest Avenue. Bus stops will be temporarily relocated. Pedestrian access through the intersection will be maintained.

    From July 13 to approximately mid-August, eastbound traffic, including transit, on Tranquille Road from Desmond Street to Holt Street will be allowed, however, all westbound traffic will be detoured via Greenfield Avenue. Transit (westbound/outbound) will be rerouted to Sunnycrest Avenue and Greenfield Avenue. Bus stops will be temporarily relocated.

    All traffic and transit detour maps for Stage 1 and Stage 2 can be viewed on this project page.

    Traffic webcams are in place on Tranquille Road at Desmond Street, at Southill Street, and at Holt Street. View the webcams and watch the construction progress on this project page.

    While every attempt is made to minimize the impact on business owners, residents, motorists, transit users and pedestrians during construction, delays and congestion are inevitable and should be expected. Commuters are encouraged to consider using alternate routes or other modes of transportation, such as transit, cycling, or walking.

    With the COVID-19 situation, Extreme Excavating is taking 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.

  • Project Update for June 26

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    11 days ago

    The week of June 29, Extreme Excavating will continue work in Stage 1 (Southill Street to Desmond Street). Crews will be installing a new water main for residents on the south side of Tranquille Road. Crews will also continue to install the new sewer main to west of the Desmond Street/Tranquille Road intersection.

    Work in Stage 2 (Desmond Street to Holt Street) is now anticipated to start the week of July 6. Stage 1 road work restoration will continue at the same time. More details, including traffic and transit routing, will be posted this week on LetsTalk.Kamloops.ca/Tranquille.

    Motorists are reminded of the 30 km/hr reduced speed limit currently in place on Tranquille Road between Desmond Street and Holt Street, and on the traffic detour route on Gellrich Avenue.

    Canada Day

    Crews will be taking Wednesday, July 1 off to enjoy Canada Day with their families and will return the morning of Thursday, July 2.

    The week of June 29, Extreme Excavating will continue work in Stage 1 (Southill Street to Desmond Street). Crews will be installing a new water main for residents on the south side of Tranquille Road. Crews will also continue to install the new sewer main to west of the Desmond Street/Tranquille Road intersection.

    Work in Stage 2 (Desmond Street to Holt Street) is now anticipated to start the week of July 6. Stage 1 road work restoration will continue at the same time. More details, including traffic and transit routing, will be posted this week on LetsTalk.Kamloops.ca/Tranquille.

    Motorists are reminded of the 30 km/hr reduced speed limit currently in place on Tranquille Road between Desmond Street and Holt Street, and on the traffic detour route on Gellrich Avenue.

    Canada Day

    Crews will be taking Wednesday, July 1 off to enjoy Canada Day with their families and will return the morning of Thursday, July 2.

  • Project Update for June 19

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    18 days ago

    The week of June 22 crews will continue connecting services and commence road work restoration in Stage 1 between Southill Street and Desmond Street.

    Upcoming work in Stage 1 includes installation of a 3m wide asphalt multi-use pathway for pedestrians and cyclists on the south side of Tranquille Road between Southill Street and Desmond Street. The multi-use pathway will be separated from the roadway by a 1m boulevard and will connect to the existing bike path on Desmond Street.

    In preparation for Stage 2, crews milled the asphalt on Tranquille Road between Desmond Street and Holt Street earlier this week...

    The week of June 22 crews will continue connecting services and commence road work restoration in Stage 1 between Southill Street and Desmond Street.

    Upcoming work in Stage 1 includes installation of a 3m wide asphalt multi-use pathway for pedestrians and cyclists on the south side of Tranquille Road between Southill Street and Desmond Street. The multi-use pathway will be separated from the roadway by a 1m boulevard and will connect to the existing bike path on Desmond Street.

    In preparation for Stage 2, crews milled the asphalt on Tranquille Road between Desmond Street and Holt Street earlier this week. Motorists are reminded of the 30 km/hr reduced speed through this area. Stage 2 is anticipated to start the week of June 29.

    Traffic webcams are in place on Tranquille Road at Desmond Street, at Southill Street, and at Holt Street. View the webcams and watch the construction progress here.

    With only one access currently available in and out of the Brock Shopping Centre, motorists travelling on Desmond Street are reminded to please be courteous and allow gaps for vehicles to exit and enter the shopping centre when possible. Thank you for your patience and kindness! We’re all in this together!

  • Project Update for June 12

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    25 days ago

    Extreme Excavating continues work in Stage 1, between Southill Street and Desmond Street. We thank the local residents for their patience as crews continue to install the new sewer main east of Ridgeview Terrace.

    Milling on Tranquille Road between Desmond Street and Holt Street

    On Tuesday, June 16 from 7 am until approximately late afternoon, crews will be milling the asphalt on Tranquille Road between Desmond Street and Holt Street. (This work is in preparation for Stage 2 (Desmond Street to Holt Street) which is anticipated to start in late June/early July.)

    The milling will take place on the north...

    Extreme Excavating continues work in Stage 1, between Southill Street and Desmond Street. We thank the local residents for their patience as crews continue to install the new sewer main east of Ridgeview Terrace.

    Milling on Tranquille Road between Desmond Street and Holt Street

    On Tuesday, June 16 from 7 am until approximately late afternoon, crews will be milling the asphalt on Tranquille Road between Desmond Street and Holt Street. (This work is in preparation for Stage 2 (Desmond Street to Holt Street) which is anticipated to start in late June/early July.)

    The milling will take place on the north side of Tranquille Road, starting at the Desmond Street intersection, moving east through the Holt Street intersection. Two lanes of traffic (one each direction) will be maintained. The intersections, as well as accesses to properties on the north side, will be impacted for very short periods as the milling machine moves through. Motorists should expect delays in this area. Sidewalk access will not be impacted.

    Bus stops on Tranquille Road between Desmond Street and Holt Street will be temporarily impacted as the milling machine moves through, however, temporary bus stops will be in place and traffic control personnel will be on site to assist transit users as needed.

    Brock Shopping Centre Entrance

    With only one access currently available in and out of the Brock Shopping Centre, we remind motorists travelling on Desmond Street to please be courteous and allow gaps for vehicles to exit and enter the shopping centre when possible. Thank you for your patience and kindness! We’re all in this together!

  • Project Update for June 5

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    about 1 month ago
    During the week of June 8, Extreme Excavating will continue to install the new sewer main east of Ridgeview Terrace. Crews will also be installing a water valve which will result in a temporary water shut down for some residents and businesses. All impacted properties received notices this week. Crews will start installing new sanitary services and hooking up properties to the new PVC sewer main.

    Watch For Pedestrians Crossing
    With traffic detouring on Gellrich Avenue, motorists are reminded to watch for pedestrians crossing on Gellrich Avenue at Southill Street and at Desmond Street. Motorists travelling on Desmond Street are...
    During the week of June 8, Extreme Excavating will continue to install the new sewer main east of Ridgeview Terrace. Crews will also be installing a water valve which will result in a temporary water shut down for some residents and businesses. All impacted properties received notices this week. Crews will start installing new sanitary services and hooking up properties to the new PVC sewer main.

    Watch For Pedestrians Crossing
    With traffic detouring on Gellrich Avenue, motorists are reminded to watch for pedestrians crossing on Gellrich Avenue at Southill Street and at Desmond Street. Motorists travelling on Desmond Street are also asked to please be courteous and allow gaps for vehicles to exit and enter the shopping centre when possible.

    Traffic webcams are back in place on Tranquille Road at Southill Street and at Desmond Street. View the webcams at LetsTalk.Kamloops.ca/Tranquille.
  • Project Update for May 29

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    about 1 month ago

    During the week of June 1, crews will continue to excavate the sewer main and install the first two manholes near Southill Street. Crews will also begin installing the third manhole east of Ridgeview Terrace.

    Your patience and co-operation are appreciated!

    Currently, access to and from the Brock Shopping Centre is only available via Desmond Street. Changes were recently made to the traffic signals on Tranquille Road at Desmond Street to better accommodate southbound traffic on Desmond Street turning left onto Tranquille Road and to help alleviate congestion for traffic exiting left or right onto Desmond Street from the Brock...

    During the week of June 1, crews will continue to excavate the sewer main and install the first two manholes near Southill Street. Crews will also begin installing the third manhole east of Ridgeview Terrace.

    Your patience and co-operation are appreciated!

    Currently, access to and from the Brock Shopping Centre is only available via Desmond Street. Changes were recently made to the traffic signals on Tranquille Road at Desmond Street to better accommodate southbound traffic on Desmond Street turning left onto Tranquille Road and to help alleviate congestion for traffic exiting left or right onto Desmond Street from the Brock Shopping Centre. Motorists travelling on Desmond Street are asked to please be courteous and allow gaps for vehicles to exit and enter the shopping centre when possible.

    With Tranquille Road between Southill Street and Desmond Street closed, traffic is being detoured via Gellrich Avenue. A speed reader board is in place on Gellrich Avenue to remind motorists of the reduced 30 km/hr speed limit.

    Motorists using alternate routes are asked to please respect the speed limits throughout Brocklehurst’s residential areas.


  • Project Update for May 22

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    about 2 months ago

    Crews are currently excavating the sewer main and installing the first two manholes near Southill Street at the east end of stage 1. Bypass pumps have been installed in preparation for installation of the new sewer main. These pumps will be operational during the day to start, with personnel on site to monitor their safe operation.

    During stage 1, Tranquille Road between Southill Street and Desmond Street is closed with traffic being detoured via Gellrich Avenue and transit detouring on Greenfield Avenue. Motorists are asked to respect the 30 km/hr reduced speed limit that is in place 24 hours per...

    Crews are currently excavating the sewer main and installing the first two manholes near Southill Street at the east end of stage 1. Bypass pumps have been installed in preparation for installation of the new sewer main. These pumps will be operational during the day to start, with personnel on site to monitor their safe operation.

    During stage 1, Tranquille Road between Southill Street and Desmond Street is closed with traffic being detoured via Gellrich Avenue and transit detouring on Greenfield Avenue. Motorists are asked to respect the 30 km/hr reduced speed limit that is in place 24 hours per day on Gellrich Avenue.

    Residents living on Tranquille Road between Southill Street and Desmond Street are utilizing Ridgeview Terrace to access their homes. Motorists are reminded that Ridgeview Terrace is not a detour route for regular traffic.

    Access to the Brock Shopping Centre, as well as Tranquille Road pedestrian access, will be maintained throughout the project.

    A traffic webcam is in place on Tranquille Road at Desmond Street. The Tranquille Road at Southill Street webcam is temporarily inactive to accommodate work taking place in that area. View webcams here.

  • Project Update for May 15

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    about 2 months ago

    Earlier this week, Extreme Excavating Ltd. began construction of the first stage of the Tranquille Road Sanitary Main Upgrade Project Phase 2 between Desmond Street and Southill Street. Crews have been mobilizing equipment and materials to site, milling asphalt, locating existing utilities, and preparing to install the new sewer main. Bypass pumping will be taking place in conjunction with the installation of the first two manholes. The pumps will be running 24 hrs a day, with personnel on site to monitor the safe operation of these pumps.

    With Tranquille Road between Southill Street and Desmond Street closed to all but...

    Earlier this week, Extreme Excavating Ltd. began construction of the first stage of the Tranquille Road Sanitary Main Upgrade Project Phase 2 between Desmond Street and Southill Street. Crews have been mobilizing equipment and materials to site, milling asphalt, locating existing utilities, and preparing to install the new sewer main. Bypass pumping will be taking place in conjunction with the installation of the first two manholes. The pumps will be running 24 hrs a day, with personnel on site to monitor the safe operation of these pumps.

    With Tranquille Road between Southill Street and Desmond Street closed to all but local traffic, detours are in place for traffic and transit. Detour maps can be viewed at LetsTalk.Kamloops.ca/Tranquille.

    The Tranquille Road entrance to the Brock Shopping Centre is temporarily closed to all vehicle traffic to accommodate the construction. All traffic will enter and exit the Brock Shopping Centre off of Desmond Street.

    Pedestrian access via the sidewalk on the north side of Tranquille Road will be maintained through the construction zone, and the pedestrian crosswalks on Tranquille Road at Southill Street/Mayfair Street and on Tranquille Road at Desmond Street will remain open and accessible.

    Changes have been made to the traffic signals on Tranquille Road at Desmond Street to better accommodate southbound traffic on Desmond Street turning left onto Tranquille Road. This will help alleviate congestion for traffic exiting left or right onto Desmond Street from the Brock Shopping Centre and for detoured traffic on Gellrich Avenue turning left or right onto Desmond Street.

    Traffic webcams have been installed on Tranquille Road at Desmond Street and at Southill Street. View the webcams and watch the construction progress at LetsTalk.Kamloops.ca/Tranquille.

    Construction Hours and the Victoria Day Long Weekend

    Construction is scheduled to occur Monday to Friday, 7:00 am to 5:00 pm, with the possibility of some weekend or night work. Crews will be taking the long weekend off to enjoy Victoria Day with their families and will return the morning of Tuesday, May 19.


  • Tranquille Road Sanitary Upgrade Project to Get Underway

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    2 months ago

    Kamloops, BC – The City would like to advise residents that construction for the Tranquille Sanitary Main Upgrade Project will start on Monday, May 11. The purpose of the project is to replace the sanitary gravity main on Tranquille Road from Southill Street to 12th Street.

    Extreme Excavating Ltd., the successful proponent for the project, will begin Phase 1 on Monday. This phase will require complete closure of Tranquille Road from Southill Street to Desmond Street, with a detour via Gelrich Avenue. Transit will be rerouted to Greenfield Avenue, and stops will be temporarily relocated. View detailed detour maps in...

    Kamloops, BC – The City would like to advise residents that construction for the Tranquille Sanitary Main Upgrade Project will start on Monday, May 11. The purpose of the project is to replace the sanitary gravity main on Tranquille Road from Southill Street to 12th Street.

    Extreme Excavating Ltd., the successful proponent for the project, will begin Phase 1 on Monday. This phase will require complete closure of Tranquille Road from Southill Street to Desmond Street, with a detour via Gelrich Avenue. Transit will be rerouted to Greenfield Avenue, and stops will be temporarily relocated. View detailed detour maps in the righthand menu.

    The project was originally slated to start in March of this year, before being delayed by the COVID-19 pandemic. The shift in schedule results in an extended completion date, likely summer 2021.

    In addition to replacing the sanitary gravity main, proposed upgrades along the corridor include pedestrian paths, landscaping, and intersection and boulevard improvements. This scope of work has also been impacted by the pandemic, and updated design details will be available in the coming weeks.


    While every attempt will be made to minimize the impact on business owners, residents, motorists, transit users, and pedestrians during construction, delays and congestion are inevitable and should be expected. Commuters are encouraged to consider using alternate routes or other modes of transportation, such as carpooling, transit, cycling, or walking.

  • Tranquille Road Sanitary Main Project Will Break Ground This Spring

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    5 months ago

    Kamloops, BC - 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.

    In the second phase of that project, a gravity main will be constructed along Tranquille Road from Southill Street to 12th Street to replace the existing gravity main. The project is expected to start in mid-March, with an anticipated completion of November 2020. In addition to the main replacement, proposed upgrades along the corridor include pedestrian paths, landscaping, and intersection and boulevard improvements.

    While every attempt will be...

    Kamloops, BC - 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.

    In the second phase of that project, a gravity main will be constructed along Tranquille Road from Southill Street to 12th Street to replace the existing gravity main. The project is expected to start in mid-March, with an anticipated completion of November 2020. In addition to the main replacement, proposed upgrades along the corridor include pedestrian paths, landscaping, and intersection and boulevard improvements.

    While every attempt will be made to minimize the impact on business owners, residents, motorists, transit users, and pedestrians during construction, delays and congestion are inevitable and should be expected. Commuters are encouraged to consider using alternate routes or other modes of transportation, such as carpooling, transit, cycling, or walking.

    The City will work closely with essential service providers, including Kamloops Fire Rescue, BC Ambulance Service, the RCMP, and Kamloops Transit, to ensure service is maintained through the construction area.

    Residents are invited to attend a drop-in information session on Thursday, March 5, between 5:30 pm and 7:00 pm at the Sports Centre Lounge, McArthur Island (1665 Island Parkway) to view the project design. Staff from the City, the designing consultants, and the leading contracting contender will attend to provide information and answer questions.

    The City will implement an extensive communications plan that utilizes traffic webcams, electronic roadside message boards, radio and print ads, social media, the City’s website, and other means to inform the public of anticipated delays, lane closures, and other traffic disruptions.

    To view the project details and access up-to-date road information and traffic webcams during construction, please visit LetsTalk.Kamloops.ca/Tranquille.