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Stoney CNG Bus Storage and Transit Facility

Project update - Jan. 30, 2017

The City of Calgary celebrated a groundbreaking event on October 4, 2016, to officially mark the beginning of construction for the Stoney Compressed Natural Gas (CNG) Bus Storage and Transit Facility.

Earthwork construction (rough grading) took place prior to the winter weather setting in. In the spring of 2017, construction on the facility and three surrounding roadways will begin.

Prior to the groundbreaking, The City signed a fixed price agreement with Plenary Infrastructure Calgary LP to design, build, finance and maintain the Stoney CNG Transit Facility for Calgary Transit.

Plenary Infrastructure Calgary LP was chosen after extensive evaluations following an open, fair and competitive request-for-proposals process that began in August 2015.

Plenary Infrastructure Calgary LP is a consortium of Plenary Group (Canada) Ltd. and PCL Investments Canada Inc. Other team members include PCL Construction Management Inc. and Johnson Controls Canada LP.

The facility is located in the Stoney Industrial Area at 12620 – 15 Street N.E.

About the project

The new 44,300 square metre facility will provide storage and maintenance space for Transit’s new fleet of CNG buses as well as diesel buses that are currently stored outside the City’s other bus garages. It will be capable of housing a minimum of 424 buses, 36 maintenance bays, two steam bays, on-site compressed natural gas fuelling infrastructure, and associated staff facilities. It will also support diesel bus operations, recognizing the transition period needed to introduce CNG buses into Transit’s fleet.

Facility operations for this P3 project will differ from Calgary Transit’s typical process. Once the facility has been constructed and is operational, Plenary Infrastructure Calgary LP will receive a substantial completion payment, followed by a series of monthly payments from the City over a 30-year period. The monthly payments will cover janitorial services, routine facility and landscape maintenance, as well as major maintenance and rehabilitation of the facility for the duration of the 30-year contract.

City staff will continue to service and maintain the buses.

Photo Gallery - Unclassified

Project background

As a result of the existing shortfall of indoor bus storage capacity and projected growth in the next 30 years (from approximately 1,000 buses to over 2,000 buses), Calgary Transit determined that it would be best to expand the capacity of the existing Spring Gardens and to construct a new bus facility.

In 2011, City Council endorsed Calgary Transit’s recommendation to incorporate CNG vehicles into the regular transit bus fleet on the basis of operational cost savings and environmental benefits. A critical requirement for a CNG powered fleet is the infrastructure is to store, fuel, and maintain the buses. CNG fuelled buses are not compatible with existing facilities.

In March 2013, City Council approved the delivery of the Stoney CNG Bus Storage and Transit Facility by way of a public-private partnership (P3) DBFM model, depending on the provision of funding from PPP Canada.

The City of Calgary applied for grant funding under a federal government program designed to foster infrastructure delivery via P3 project methodology. In July 2014, The City hosted the announcement of a funding agreement between The City and the Federal Government, through PPP Canada, of a federal investment of up to $48.4 million towards the construction of the new facility.

In March 2013, Calgary Transit launched a pilot project incorporating four CNG vehicles into the transit bus fleet. In 2015, the pilot concluded that the City would see upwards of $3 million in annual savings on the cost of fuel based on a fleet of 400 CNG buses. The cost savings is expected to have a positive impact on the transit fares.

By planning for the future, Calgary Transit would be able to meet its commitment to provide safe, reliable, easy to use and affordable mode of transportation.

Project budget

Estimated capital cost - $174 million

The Federal Government, through PPP Canada, has committed to an investment of up to $48.4 million towards the construction of this facility.

Project timeline

  • Late 2014 – Request for Qualifications (RFQ)
  • Summer 2015 – Request for Proposal (RFP)
  • September 2016 – earthwork construction begins
  • October 4, 2016 – Groundbreaking event held
  • Spring 2017 – construction on the facility begins
  • Early 2019 anticipated completion

More information

Transportation Infrastructure will keep citizens informed about this project, and details will be updated on this site on an ongoing basis. For more information, please fill out the online form.

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