Underground pipeline is an important part of urban infrastructure, urban underground pipelines, including water supply, drainage, gas, heat, telecommunications, electricity, industrial pipelines and other broad categories,Is to play a city function, the material basisto ensure that the city's economic and social health, coordinated development, known as the city's "blood vessels" and "nerves".At the same time, in the process of urban planning, design, construction and management, if there is no complete and accurate underground pipeline information, it will become "blind", and even cause significant losses. In recent years, with the accelerated urbanization process and the rapid development of urban construction, all over the city has increased the underground space, especially the underground pipeline development and utilization, to strengthen the underground pipeline file management.However, due to some underground pipeline construction units, pipeline management units, etc., can not be timely to the urban construction archives management department to send underground pipeline files, resulting in underground pipeline archives information centralized management and query service work can not meet the needs of urban construction and development.Underground pipeline in the convenience of urban life at the same time, but also due to improper construction, disrepair and so there are a lot of security risks, may cause huge losses of personnel and property, and even become the local residents of the "deadline."

Statistics show that from 2009 to 2013, the country directly due to underground pipeline accidents and accidents involving a total of 27 cases, the death toll of 117 people. In summary, the underground pipeline detection and census work is particularly important, so take preventive measures, the accident hidden in the bud.