Agreement for the execution of various topographical tasks involving the Fluxys Belgium pipeline network.

Description du marché

5-year agreement for the execution of various topographical tasks involving the Fluxys Belgium pipeline network. Fluxys Belgium nv. constructs, manages and operates an infrastructure for high-pressure gas transmission by pipeline in Belgium. Actually, this network is about 4 200 km long. The technical and administrative data for this network are given in a database which is used by various departments in the company. This database — which is spatial — plays a key role in the operation of the pipeline network. This means that a lot of importance is attached to the accuracy of the data. The 3-dimensional aspect of the database is mainly the result of topographical surveys. Fluxys Belgium nv mainly uses external surveyors to conduct these surveys. The tasks involving new and/or existing Fluxys Belgium nv pipelines and substations may include: a) terrestrial site survey and mapping of new and/or changed topography; b) terrestrial site survey and mapping of new and/or changed topography vis-à-vis the existing topography; c) terrestrial site survey and mapping of a new site profile; d) terrestrial pipeline survey + accessories and mapping of a new pipeline profile; e) digital output — supplying files in all of the following formats: Microsoft Excel format, Microstation DGN format and the Fluxys Belgium nv exchange format XSUF. As well as to take note of a ETL-application (Extract,Transform en Load) such as FME (Feature Manipulation Engine); f) the use of other surveying techniques alongside topographical surveying, e.g. active radio detection and ground tracing; g) tasks involving the preparation for site levelling. f) the tasks involving the purchase and sale of Fluxys sites include the preparation of survey and/or demarcation reports.

Pouvoir adjudicateur

Secteur d'activité

Services topographiques