It is a fact that damage to underground services can cause serious injury and on occasion can be fatal. That is why, before ever inserting a spade into the ground, any contractor that has to dig, whether to install new services, repair existing ones, or carry out any other type of work should take every precaution to ensure that underground services are avoided.
The fact is that underground services can be anywhere. Quite obviously, in a high street, there will be electricity cables running to shops and stores, water pipes, there may be gas, there will be telephone cables, and so on. However, part of the problem is that even though we know they are there we don't know exactly where they run.
A second problem is that you may have to dig in an area well away from buildings somewhere out in the countryside, but there can still be services there even though it may not appear so. This is why it is essential to carry out a survey using the CAT and Genny before ever beginning any work.
However, the CAT and Genny, useful as they are, have certain limitations, and also require expert knowledge on their use. This is why everyone involved in surveys should undertake a CAT and Genny course. There are several companies which specialise in running a CAT course, and these can be from a day's training up to a full week. Attending such a course will empower surveyors with the confidence to carry out a full survey.
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