In the UK there is a vast network of underground services such as water, electricity, gas, sewage pipes, telecoms, and more, and they can be found anywhere and everywhere. Depending on whose figures you believe, there are at least 1.5 million km of them and maybe a lot more. This presents a problem when a contractor needs to carry out any sort of excavation work, because striking many of these can result in serious damage, injury, and on occasion can be fatal.
The first thing to do before carrying out excavation is to contact the relevant local utilities and obtain any plans that they have. However, this in itself presents a problem because different utilities draw up their plans in different formats, they are not always accurate, and in some cases there are no plans at all.
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