JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Reference Point The Project Reference Points (PRP) refers to an origin point for the OpenUtilities Substation site, related to a latitude and longitude value. The Reference Point group provides options to Manage, Move and Delete reference points. Accessed from: 3D Design Ribbon Manage Project Reference Point (PRP) Delete Reference Point Move Reference Point Parent topic: 3D Design Ribbon