The Tolerance Zone
Powering Your Project with Innovation
Oakville Enterprises Corporation
OEC's family of companies offer integrated utility infrastructure and risk management services including utility locates, damage prevention risk analysis, utility engineering design, LIDAR mapping, pole testing, GIS design and analysis. Follow the link to see how OEC is using innovation to bring value, reduce costs and protect your assets.
Calling All Damage Prevention Industry Leaders!
Trenchless Utility Equipment

The Damage Prevention Technician, DPT® program provides instruction on the fundamentals of locating based on locating processes employed by specific industries. Click here for the brochure. 

Click here for the DPT course schedule.


Kawartha Utility Services - Excavation Contractors for Central Ontario
Kawartha Utility Services
As a recognized contractor for Hydro One and the Go To Contractor for Central Ontario, we specilzie in: Hydro Excavation, Septic Systems, Overhead and underground utility installation, Foundations, and Barge services. When you want utility installation, hydrovac services and even more finished safely and efficiently, contact us:
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PGC Services
Vivax Canada
Naylor Association Solutions
Landscape Ontario
Member News
The CGA 811 Excavation Safety Conference & Expo is the premiere international event dedicated to providing educational content and resources to help protect buried assets. Don’t miss your chance to take part in the event and take home information to help your business.

The CGA 811 Excavation Safety Conference & Expo is the premiere international event dedicated to providing educational content and resources to help protect buried assets. Make a difference in the industry by connecting with those who can effect change.
A frequent debate in the construction industry is whether to buy or rent industrial equipment. There is no single one-size-fits-all answer. There are pros and cons of each option, and you will need to weigh these within the context of your own situation at any one particular point in time.
Depending on your requirements, there are situations where purchasing equipment is the right choice. However, renting equipment is also an increasingly popular option and can be the absolute right decision in certain cases for a number of valid reasons. Read on to learn more about the benefits of renting versus the benefits of buying industrial equipment.
Effective February 1st, 2020 Ontario One Call will remove the option for any communications via fax.



We have a complex utility locate system in Ontario with many regulations, standards, guidelines and best practices that employers and workers must follow to ensure they are working safely near buried utility lines. Many of these documents state that you must hand dig within the tolerance zone or hand expose zone without giving clear direction of HOW to hand dig or hand excavate.
Read more for helpful steps when working with Ontario One Call.
This seminar will provide an overview of the goals of the UESI, including various advancements in utility mapping technologies and standards. Viewpoints, needs, and issues from various stakeholders will be discussed, and will include speakers from the utility, consulting/construction, and municipal sectors.
Source: CBC News 
P.E.I. does not have a single phone number to locate infrastructure like power lines and sewer pipes.
Source: Daily Commercial News
The federal government is providing $2.4 million towards eligible costs for three infrastructure projects to improve roads and bridges in Eastern Ontario. The funding for the projects in Tyendinaga, Tweed and Stone Mills, Ont. will come from the Rural and Northern Communities Infrastructure Stream of the Investing in Canada infrastructure plan.
Source: Job Talks Construction
Come and explore different types of construction jobs in Ontario. Learn about the work environment and job requirements from workers who love what they do.
Source: On-Site Magazine
Construction crews at a job site just east of Toronto’s Pearson International Airport have their work cut out for them. For the next two years, they’ll be digging a pair of tunnels under Canada’s busiest highway at what’s nearly its widest point.

If you are looking to make contributions to the damage prevention industry through best practices, reporting and evaluation, or events and communication, the ORCGA committees are looking for your input.

Events and Communication Committee meeting: September 26, 2019

Reporting and Evaluation Committee meeting: September 19, 2019

Best Practices Committee meeting: TBC

Contact Jennifer by email or call 905.328.7063.