This is the official release of the 2019 Edition of the Utility and Pipeline Data Model (UPDM).
It is designed to support data management for the natural gas and hazardous liquids industries. Supporting the diverse needs of these industries means supporting multiple implementation patterns. Specifically a network topology with the Utility Network implementation pattern, and a linear referencing implementation pattern with the ArcGIS Pipeline Referencing solution..
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Esri Technical Lead – Natural Gas Industry