Layers TutorialsBuildingFloor__BN_EnvironmentalDeckOn this page__BN_EnvironmentalDeckReference Image📐 Drawing Conventions Environmental Deck must be drawn within the BUA inside non-parking floors. 📏 Allowed Geometric Types Closed Polyline 🏗️ Applicable Project Types Building Permission Layout With Housing And Gated Community & Layout With Housing Without Gated Community