Catalogue and specification requirementsSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedApr 14, 20251 minute readEngineeringE3D DesignUnified EngineeringE3D Design (Unified Engineering) This section includes requirements for catalogue items and specification components. Related LinksCatalogue requirementsProperty requirements for spoolsWeight element requirementsRules for automatic naming and coloringSpecific component requirementsComponent types not in AVEVA supplied specifications