513.2 Retaining wall
Geometry: line
Definition
A significant wall of stone, concrete, wood or other materials which is seen only from one side. Half dot must point to the lower level.
Parameters
Minimum height: 0.5 m.
Minimum length (isolated): 1.4 mm (footprint 21 m).
Colour: black.
Comments
The definition of this map symbol was updated on 20.01.2024:
Change of minimum height: 1.0 –> 0.5 m;
Change of minimum lenght: 2.4 –> 1.4 mm.
Shift of the half dots by 0.05 mm from the center line.
The definition of this map symbol was updated on 23.01.2022: New symbol.