submitted 2023-05-16T12:20:51 VU053 VU053_UML 2023 This enumeration identifies different types of distribution systems. It is used to designate systems by their function as well as ports of devices within such systems to restrict connectivity to compatible connections. https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDistributionSystemEnum.htm DistribusjonssystemType overvann Overvann vannOgAvloep Vann og avløp rekkverk Rekkverk