The data driven solution to determining explosion risk

All water companies manage and operate assets that are subject to Dangerous Substances and Explosive Atmospheres Regulations (DSEAR), and they are responsible for classifying the level of explosion risk for every asset.  

The level of explosion risk impacts the cost of maintaining and operating the assets as well as the precautions that must be taken by operational staff. Our data-driven solution provides DSEAR assessments for all sewerage assets through the innovative application of special analytics. 

By taking a root-cause approach to risk assessment, our DSEAR Analyzer is able to precisely locate points within the network that are at risk. This method moves you away from the industry-standard procedure of “blanket zoning,” a process where the risk extent is unknown and everything is determined to be at risk. 

Improved accuracy

Given the advanced algorithm embedded within the tool, DSEAR can generate accurate overland flow paths and determining sewer connectivity. This ensures that a consistently accurate result is generated, removing the “will it, won't it?” elements that inevitably come with a manual approach to assessing data of this complexity and magnitude.

Document and plan generation

The DSEAR tool saves significant time through its ability to automatically populate reports and generate PDF plans for each site, showing key information such as asset location, sewer connectivity, and location of upstream risk.

Alert system

Stantec’s DSEAR solution has advanced functionality to identify changes to DSEAR  risk, alerting users to potential risk with regular updates and ensuring that an asset’s classification is always up to date. Updates include new fuel sources within catchment, abandonment of previous fuel sources, new adopters or built assets, and changes in network connectivity.

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Datasets to determine potential source risks

Assessments can be updated through automation, data mining, and digital transformation.

  • Use of GIS/data analytics to identify unforeseen risk 
  • Fuel station locations
  • Fuel storage licence holders who store fuel on-site
  • Ground models based on LiDAR 
  • Client sewer models 
  • Historic traffic incident data 
  • Fuel tanker routes 
  • Prerequisite conditions for methane 
  • Natural gas 

DSEAR wins Digital Initiative of the Year at the 2020 BCIA Awards

Yorkshire Water and Stantec have developed an innovative and industry-leading approach to determining the Highly Flammable Liquids and septicity risk of their catchment assets across Yorkshire Water’s region.

Yorkshire Water - Digital DSEAR

We worked with Yorkshire Water to better classify the risk of flammable or explosive substance entry into their water system by running their assets through our DSEAR Analyzer tool. Read More
Our People

Andrew Sitti, GIS Geospatial Lead

Having access to data is great—how we use that data though and the insights it can bring is what gives us the power to drive change.

Brett Stewart, Head of Digital Solutions, UK

Our aim is to create impactful digital solutions that meet or exceed the expectations of our client’s customers and their communities.

Andrew Sitti

GIS Geospatial Lead

Brett Stewart

Head of Digital Solutions, UK

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