One of the things that is often lacking in preplans is identifying safety hazards. There are ways to show hazards to both firefighters and civilians on the preplan diagram. A proposal for showing safety hazards is to use a consistent symbol on the diagram. There are several commonly recognized symbols including
There are several option to symbolize something that may be a hazard. The yellow triangle with an explanation point is a internationally recognized symbol. For a complete list of check the symbols page for a list of what we have created. In addition, the guys in Surrey BC also have several innovative ways to symbolize information on a preplan.
One symbol that is used is this one
Below is a sample of the hazard displayed on a building showing Poor Radio Reception and Do Not Enter Structure