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Preparation of utility maps of cities using Advanced technology
Sanjay Rana
Managing Director
IGG Services (P) Limited
Abstract:
Trenchless technology is being used for laying of pipes and cables in India at an increasing rate. The successful use of this technology, and benefits in terms of speed and least inconvenience to people, are well known. One of the problems being faced, however, is the damage to existing utilities in the process. The rate of such damages is especially high in India due to missing utility records and unavailability of a one-point contact where database of existing utilities is available.
Technological advancement in the fields of GIS, Remote Sensing and Geophysics provide an answer to the problem. Using these techniques it is possible to create accurate maps of the area, with information on underground utilities, to decide on important aspects like alignment, safe depth etc. Present paper discussed various tools available for mapping (GIS & Remote Sensing) and non-destructive detection of underground utilities (Ground Penetrating Radar etc.).