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Diverting a major gas main in Northwich
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Guidance documents
We offer services to households and businesses
Safe and warm this winter
Being prepared for winter is vital, especially when it comes to keeping warm, cooking and access to hot water. Our simple tips will make sure you stay safe, warm and connected during the colder months.
Digging safely
If you’re thinking about digging near our pipes or equipment you must let us know before you start. This is so we can help you dig safely.
If you require our assets to be moved in order to carry out your project, call 0330 678 1034 or
Apply online
There are pipelines all over the country that help transport gas safely. Our pipeline covers 82,000 miles placed end to end, and makes the supply of vital resources to homes and businesses simple for those needing them. However, our network of pipelines can often be affected by work that needs to be carried out nearby. It is important for safety reasons that you let us know about your planned works well in advance, as the new location of a diverted pipe will need to comply with proximity rules and other safety policies. If you are unsure whether our assets are within the area of your works, please submit a 'Dial before you dig' enquiry. If our assets are identified within your area of works, please contact us on 0330 678 1034 or at diversions@cadentgas.com to determine if a diversion is required. When you’re doing any sort of excavation work, from building a small conservatory through to things like road and motorway work or the building of new houses, the diversion of gas pipes may be a necessity. Here, we’ll cover some more information around gas diversions.
We’ll meet you on-site as soon as possible to discuss your plans and requirements
If you requested a C3 estimate, you will need to let us know if you wish to progress to a C4
On average it takes about 16 weeks from payment to start the works agreed
Once we’re finished, we’ll re-turf, re-seed any grassed areas and replant any flower beds if we’ve disturbed them
C2 (preliminary enquiries): The utility companies are required to supply information regarding the general position and nature of apparatus from their records and draw attention to any limitations in the quality of this information. If you have a query about the location of our assets please email our plant protection team plantprotection@cadentgas.com C3 (initial design and budget estimates): requests for initial budget cost estimation are submitted to the utility companies along with preliminary project designs. this includes the extent of the proposed works with potential diversion routes indicated for existing apparatus (ie, mitigation measures) and budget estimates of the measures (as assessed at preliminary design stage). C4 (detailed design and estimates): requests for detailed estimates are submitted to utility companies along with final design details of the proposed project, working drawings and an outline programme. Stage C4 is a very important stage as it establishes in detail what the necessary utility mitigation measures are, who they are to be undertaken by and form the basis of the Official Works Order.As of April 1st 2021 C4 requests are now covered by our Guaranteed Standards of Performance. For more information please visit https://www.ofgem.gov.uk
A gas diversion is carried out to do exactly what you'd expect: diverting part of the gas pipeline away from its current route in order to facilitate safe working. Any gas pipe that is tampered with represents a hazard as it can easily ignite and cause an explosion. The route of underground gas pipes can be unclear, especially as pipes don’t always travel in a straight line and can change direction. Before carrying out any work whatsoever, it’s important that you contact us to let us know about your planned works and find out whether a gas diversion needs to be put in place. Before contacting our diversions team, you’ll need to know:
Once our team have assessed your plans, someone will be in touch to discuss in further detail. If we do decide that a gas pipe diversion is necessary, this may also involve a site visit to ascertain in further detail what work needs to be carried out.
There’s no definitive way to say how long a gas diversion will take due to the complex nature of a diversions project and the fact that some require much more time than others. The amount of time we’ll need to assess, plan and carry out any necessary work depends on the scale of the development and amount of pipework that needs to be moved. It’s vital that the plans you submit from the start are as accurate as possible so there are no unforeseen delays to the diversions process.
If you’d like more information about diversions or are unsure whether you need one, you can speak to our Connections Team on 0330 678 1034.
Contact us: Email: Diversions@cadentgas.com Phone: 0330 678 1034