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513.2 Retaining wall

from
ISOM 2017-2
513.2 Retained wall (ISOM 2017-2)

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 23.01.2022: New symbol.

Correct examples