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511 Major power line

ISOM 2017-2
511 Major powerline (ISOM 2017-2)

Geometry: line, point.


Major power lines should be drawn with a double line. The gap between the lines may indicate the extent of the power line. The lines may be broken to improve legibility. The bars show the exact location of the pylons. Very large carrying masts shall be represented in plan shape using outline of symbol Building (521) or with symbol High tower (524).


Colour: black.

Correct examples