Improving working practices for pipes

New methods should be sought to minimise disruption to the local community.

Working methods should be reviewed and potentially revised when possible to ensure the most effective procedures are implemented.

Below is an example of how working practices have been monitored and improved to ensure minimal disruption to local businesses and residents:

  • A machine exists that will shrink a small diameter plastic pipe for a short length for insertion into another pipe to line it out. The site commissioned their suppliers to invent a machine to do the same for a 500mm diameter pipe of 600mm length, which they did;
  • The result was that a pipe is fed into one end of the machine, where it is compressed by about 10mm and then it is immediately inserted into the existing cast iron pipe;
  • When completed it is expanded again with pressurised water and the job is complete.

Following the success of a new technology for pipes, the process and machine are currently being promoted to other pipe users such as Water Supply companies.

Footer Reference

Monitor Report, Northern Gas Networks, West Yorkshire, September 2015

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