transmountain bannering



AUGUST 2019 – DECEMBER 2021*

The Town of Hinton has received this notice from Transmountain and is resharing it through our channels for resident information. 

As part of the Trans Mountain Expansion Project, Trans Mountain will begin the reactivation work of the original 24-inch Trans Mountain Pipeline in the Jasper-Mount Robson region between its Hinton pump station and Hargreaves trap site. The Hinton pump station is located approximately 16 km west of the Town of Hinton and the Hargreaves trap site is located approximately 2 km west of Mount Robson Provincial Park.
Work will commence in a series of phased activities along the pipeline right-of-way from August 2019 to December 2021.* Reactivation of the pipeline segment from Hinton to Hargreaves is authorized under the original OC-2 certificate of public convenience and necessity (CPCN) for the existing Trans Mountain pipeline.
The schedule and map on the following pages provide more information about the locations and timing of activities. Detailed explanations of the reactivation activities are also included.
*Dates are subject to change and commencement of work is subject to necessary regulatory approvals and permits.
During the course of these activities, the public may notice:

  • Construction equipment and vehicles, and workers on-site
  • Increased activity and intermittent construction-type noise in proximity to the work-site
  • Odours
  • Intermittent, temporary traffic delays and traffic control needed to move equipment in and out of the work-sites safely
  • Signage in locations where Project activities will take place near recreation areas
  • Additional directed lighting at the work-site
  • Traffic delays or increase in volumes
Trans Mountain’s goal is to maintain safe work environments and minimize any impacts of these activities to the public and the environment. When work commences, the following measures will be in place to manage these effects:
  • Hours of work:
    • Activities will follow a 15 days on and 6 days off schedule
    • This will include work on Sundays and some statutory holidays
    • Typical working hours will be 7 am to 7 pm
  • Contractors will abide by applicable noise bylaws
  • Dust from construction traffic will be controlled using best industry practices, including water trucks and street sweepers
  • Lighting will be directed only on areas of work for worker safety
  • Tree and vegetation removal work will comply with necessary approvals. Registered professional foresters and certified arborists will be on-site as needed
  • Construction-related traffic will follow site-specific traffic management and control plans to minimize impacts during peak hours
  • Work will be monitored by Environmental Inspectors

Trans Mountain conducts all work under its Environmental Protection and Pipeline Protection Programs to ensure compliance with applicable regulations and requirements.
The public’s patience is appreciated as we work to minimize any disruptions or inconvenience associated with Project activities.


Public Safety During Activity
The safety of the public and workers during all activity is Trans Mountain's first priority. For the public's safety, access to sections of the pipeline right-of-way may be restricted where certain work is being performed. Ground patrols and extra signage may be posted in work areas to guide the public away from sections of the pipeline, with particular focus on areas where the public gathers near the pipeline right-of-way to view the scenery or wildlife. Members of the public observed would be asked to vacate the area.
Environmental Protection
As part of the Trans Mountain Expansion Project, extensive work has been conducted to determine environmental effects and mitigation measures to reduce those effects. Our goal is to protect the environment, have as little impact as possible and, where we do have an impact, ensure we return the land to a similar function.

Environmental Protection Plans are in place to guide the reactivation work conducted by Trans Mountain personnel and our contractors.
Mitigation strategies for avoiding or reducing potential environmental effects will be employed at all stages of the Project. For more information about environmental mitigation methods and our Environmental Protection Plans, visit
Construction Yard and Site Access Points
In the coming months, Trans Mountain will begin preparing and activating a construction yard in Jasper, AB to support reactivation activity. This site is being used for:

  • Delivery and storage of materials and equipment, including stockpiling and staging of pipe
  • Installation of temporary office buildings or trailers to support crews working on the reactivation
  • Transportation of materials and equipment to and from the site

In the coming months, crews will also prepare site access points along the reactivation segment, ensuring there is safe access to the pipeline right-of-way. These may include highway ramps or temporary bridges.

Digs and Sleeve Removal | Pipe Replacement
Earlier in the Project, in-line inspection tools were run through the deactivated pipeline to identify any anomalies or areas where repair may be needed. As part of reactivation, we will be investigating these areas and repairing them as required.
This activity will require excavation of the pipeline at all anomaly locations along the line, pipe will be inspected with a number of non-destructive examination methods and repaired as required.
Once the inspections and repairs are complete, the pipeline is recoated and the ditch is backfilled to protect the pipe and cleanup and restoration activities will begin.
Natural Hazard Remediation
Work will be completed to protect the pipeline in areas where active natural features, such as rivers, occur.
Performing a Hydrostatic Test
Before the pipeline is ready to transport oil, a hydrostatic test is performed. A hydrostatic test is a way pipelines can be tested for strength and leaks. The test involves filling the pipe system with water and increasing pressure within the pipe to the specified test pressure. Should there be any leaks they can be identified through this test and rectified. Hydrostatic testing is the most common method employed for testing pipes.
Valve Installations
Valves are installed at intermediate locations as required by the pipeline design and the Canadian Standards Association pipeline code. The valves are used once the line is operational to shut off or isolate part of the pipeline. Existing valves will be replaced and new valves will be installed along the pipeline route once hydrostatic tests are completed.


area of reactivation

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For more information please contact:

In the event of a pipeline emergency or to report odours, call 24 hours 1.888.876.6711

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