If you are the director of a contracting company that is engaged in any sort of ground work you will no doubt be very aware of the necessity for locating underground pipes and cables before undertaking any actual digging. Even so, you may not be aware of the appalling number of cable strikes that occur in Britain every year. Estimates vary, but an often quoted figure is around 60,000. Several of these result in serious injury and death.
Of course, the cost of repairs is one thing, but the University of Birmingham produced a report in January 2016 (http://assessingtheunderworld.org/wp-content/uploads/2016/11/IBuild-Cost-of-Strikes-Report-General-Anonymised-FINAL-1.pdf) which indicated that there is a ratio of 29 – 1. In other words, if you have a cable strike which costs £1,000 to repair, the true cost in terms of indirect and social costs such as downtime on site, loss of business by companies affected, and a whole lot more, is £29,000.
It follows that locating and identifying underground utilities through the use of a CAT and Genny is critical in reducing the number of these incidents. The combined network of underground utilities – gas, water, electricity, telecoms, sewage – totals over 1.5 million km. This is five times the length of the UK road network. Furthermore, the utility industry undertakes about the same number – 1.5 million – of street works every year in order to maintain and upgrade the various systems.
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