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IMPLEMENTATION OF ADVANCED GEOSPATIAL TECHNOLOGIES IN THE ANALYSIS AND MODELING OF NATURAL GAS NETWORKS. CASESTUDY: LIPOVA CITY, ARAD COUNTY
Abstract
This paper analyses the implementation of recent geospatial technologies to map and model underground natural gas networks in three dimensions, with a focus on the use of mobile LiDAR scanning systems. The research focuses on the Subcetate area in the municipality of Arad, a representative example for the technical-urban networks in western Romania. The main objective is to create a geospatial database (GIS) with a high degree of accuracy, which would include the information collected from the site about the routes of the pipes, the materials used, the dimensions, the operating pressure, the depth of burial and the surface components (connections, meters, valves). To develop the GIS database, various advanced equipment was used for data collection: the Leica Ultra underground pipe detection system, the Leica Viva GS14 and GS16 GNSS receivers, the Leica FlexLine TS07 total station and the Leica Pegasus: Backpack mobile scanning system, which enabled fast LiDAR data capture and centimetre-accurate imaging. The paper also includes a comparative analysis of the Leica Pegasus: Backpack system against other mobile scanning platforms, such as GeoSLAM ZEB Horizon, Kaarta Stencil Pro and Trimble MX9, highlighting the differences between GNSS/INS-based technologies and those using SLAM algorithms. The results obtained showed the increased efficiency of integrating mobile LiDAR technology with GIS processes in the mapping of natural gas infrastructures, reducing the acquisition time by more than 80% compared to traditional techniques.
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