105.2 Retaining earth wall

Geometry: line.

Definition

A retaining earth wall is an abrupt change in ground level which can be clearly distinguished from its surroundings used for minor peat edges and cultivation terraces. If such a feature is higher than 1 m, it should be drawn with the symbol Earth bank (104).

Parameters

Minimum height: 0.5 m.

Minimum length (isolated): 1.4 mm (footprint 21 m).

Colour: brown.

Comments

ISOM 2017-2 Revision 6 (January 2024): New symbol. Valid from 1st February 2024. Mandatory from 1st January 2025.