Abstract
The process of designing and implementing industrial models (or GIS) for underground utility infrastructure (UUI) includes a number of activities related to the analysis of source data to identify objects, pre‑processing the initial data, creating spatial database and development of relevant graphic (maps) and text (registers) products. Nowadays, every organization needs to be flexible and able to respond in a timely and adequate manner to the changes that occur in a complex and dynamic external environment. This is the reason why the paper proposes an approach for the design and development of a geoinformation system (GIS), through the capabilities of modern software for a part of the water supply and sewerage network for the needs of Water Supply and Sewerage Berkovitsa LTD. The purpose of the paper and GIS for maintaining data on UUI is to provide access to digital data for underground utility infrastructure and their characteristics, as well as to assist in the easy creation of references to underground utility infrastructure data in digital and graphic form.
Highlights
Within the territory of a given country, and mainly in the big cities, there are different types of overground and underground utility infrastructure
This is the reason why the paper proposes an approach for the design and development of a geoinformation system (GIS), through the capabilities of modern software for a part of the water supply and sewerage network for the needs of Water Supply and Sewerage Berkovitsa LTD
The speed of changes in the un‐ derground utility infrastructure is important to society, the correction of break‐ downs, the prevention of unauthorized access and their safety [1]
Summary
Within the territory of a given country, and mainly in the big cities, there are different types of overground and underground utility infrastructure. The lack of reliable and accessible digital information about the existing WSS infrastructure is one of the most serious problems in the management of wa‐ ter supply and sewerage companies in Bulgaria. Quate verification of accuracy and updating of the information in practice; –– the paper data are of an uncertain origin – often the WSS companies have parts of projects with unknown status (conceptual decisions, parts of execu‐ tives, etc.), old operational registers in text form, etc., which makes it impos‐ sible to check the connectivity and correctness of the networks; –– in some cases, the available data is digitized, but often without a profes‐ sional methodology or engineering validation for the accuracy of the infor‐ mation; –– generally, operation and asset status registers are not maintained; –– in general, there is no system for managing data on networks – the informa‐ tion is stored randomly in different administrative units without procedures for exchange and quality control. The available initial input data are as follows: cadastral map and register; par‐ tial surveying measurements of existing WSS networks; maps and documents on paper, owned by the Water supply and Sewerage, Berkovitsa LTD
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