Canadian Common Ground Alliance

Damage Prevention is a Shared Responsibility


Canadian Common Ground Alliance
International Damage Prevention Symposium
November 16 - 18, 2021

Join us for the 2021 CCGA International Damage Prevention Symposium, held virtually from November 16 - 18, 2021.

This event is a signature event for the CCGA attracting over 265+ damage prevention management professionals and decision makers from across Canada including stakeholder groups such as oil and gas, municipalities, telecommunications, emergency management, electrical transmission/distribution, surveyors and provincial regulators. 

New for 2021!

We have expanded the Symposium content, as well as the delegate list, to discuss international damage prevention challenges.  Meet with international colleagues to exchange industry information, focus on public awareness initiatives for damage prevention and expand stakeholder knowledge on efforts to protect essential infrastructure.


The format for the conference consists of 3 days of professional development, workshops, panel presentations, networking events, along with an exhibitor tradeshow.

Event Info and Registration

CCGA's Monthly Newsletter
Know What's Below

The Know What's Below Newsletter is a fantastic opportunity for partners across Canada to share information: updates from each province, regional issues we encounter and the latest developments in damage prevention.

Upcoming Events

  • Please check back for future CCGA hosted events

CCGA Best Practices

In the fall of 2018 the CCGA released Best Practices Version 3.0. This includes updates developed through regional and stakeholder consensus. 

This is a continuation of the significant goal of the harmonized Best Practices Version 1.0 released in 2014.

To order printed copies of The CCGA Best Practices Volume 3.0, please email Cost per book is $10.00 CDN and includes shipping and handling.

" is Canada's only one-window national portal to initiate the damage prevention process anywhere in Canada serviced by a One Call Centre. Click on your province and request your locate online 24 hours per day, 7 days per week! You'll never be placed on hold and you'll be done in minutes."

One Voice

The Canadian Common Ground Alliance is the voice of Canada's Regional Partner CGAs dedicated to working toward damage prevention solutions that will benefit all Canadians.  This website is a portal to Canada's Common Ground Alliance Partners and provides routine updates to the damage prevention issues of national interest the CCGA is managing on behalf of our Regional Partners.

One Mission

"Through shared responsibility among all stakeholders, the CCGA works to reduce damages to underground infrastructure - ensuring public safety, environmental protection, and the integrity of services by promoting effective damage prevention practices."

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