Jan 2015
Gas Distribution
WEKO Seal Removal
Jan 2015
Mar 2016
National Grid Gas Distribution
Neil Russell – Innovation Project Delivery Officer, James Clarke – tRIIO Innovation Manager
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Network Innovation Allowance
  • Complete development of the WSR900 so it is fit for use in the field.

  • Complete field trials extracting WEKO seals at Goulston Street, SE1 for 100m stretch of 36 inch main
  • Trial the WSR900 on London’s Medium Pressure Network replacement scheme.
  • Remove the need for a human to enter the pipe to extract WEKO seals.
  • Increase in safety of our operatives when undertaking replacement activities where WEKO seals have been previously installed

  • Feedback from trial participants and stakeholders is positive.
    • Unit is capable of extracting more WEKO seals than current method

  • Unit is successful at removing 36inch WEKO seals and returning them to the launch pit.

  • Reduce operational injuries and increase ease of use.

  • Reduce costs and improvements to operational efficiencies.