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  • Diverting the NTS

  • Why Divert the NTS

  • Pipelines are the safest way to move large quantities of liquids and gases over distances, but work will always need to be carried out nearby and that's when they can become a hazard.  A gas leak from a damaged pipeline has the potential to ignite.  

    Remember, gas marker posts can be accidentally moved and that pipelines change direction and may not always run in straight lines between posts.

    Always contact National Grid before commencing work in the vicinity of a gas pipeline.  Depending on the nature of the work it may be necessary for the pipeline to be diverted.

    No mechanical excavators should be used within 3 metres of a high-pressure gas pipeline.

    Written approval from National Grid must be gained before any planting on the easement strip above a gas pipeline. No trees are permitted usually within 6 metres of a pipeline, and only shallow rooted hedge specimens directly above.

    In the event of accidentally hitting a pipeline, call National Grid straightaway on 0800 111 999.

  • Gas Distribution Connections Glossary of terms Contact Transmission Customer Commitment - Capacity