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Prohibition Signs
Mandatory Signs
Restriction Signs
Hazard Signs
Danger Signs
Emergency Signs
Fire Signs
Dangerous Goods
Placement of Signs
Common Industry Signage
The construction industry uses signs and symbols to convey information. It is important that the signs quickly convey the required information. To assist with this, standard signs are used. Some examples of the types of signs used are shown below.
Some signs have their meaning shown. Others have the meaning hidden.
Test yourself to see if you know the meaning of the sign before clicking on
the answer
| Border | Background | Symbol / Text | Notes | |
|---|---|---|---|---|
| Prohibition Signs |  |
Water not suitable for drinking |  |
Click here for answer |
| Red | White | Black | ||
| Mandatory Signs |  |
Face shields must be worn |  |
Click here for answer |
| White | Blue | White | ||
| Restriction signs |  |
Speed limited to 10 kph | ||
| Red | White | Black | ||
| Hazard Signs |  |
Forklifts in vicinity |  |
Click here for answer |
| Black | Yellow | Black | ||
| Danger Signs |  |
Danger as stated on the sign |  |
Click here for answer |
| Black | White | Black | Standard "DANGER" symbol | |
| Emergency Signs |  |
Emergency eye wash |  |
Click here for answer |
| White | Green | White | ||
| Fire Signs |  |
Fire extinguisher location |  |
Click here for answer |
| Black | Red | White | ||
| Dangerous Goods |  |
Flammable Gas Class is 2 |
 |
Click here for answer |
| Black | Various | Black |
All these signs follow an Australian Standard. It is important that standard signs are used. This allows a common understanding of the message being conveyed.
Sign Placement
Signs should be:
- placed near a person's line of sight
- in a clear space where they are unlikely to be covered
- in a position that gives adequate warning of the hazard.
Signs may be grouped where they have a common purpose and do not confuse thereader.
Scenario:
Four signs placed together 3 metres from the ground, behind a tree, in the dark, warning of speed limit, biological hazards and requiring respirators to be worn.
| Read the scenario above and then indicate by checking true or false beside the statements below: | True | False |
|---|---|---|
| The signs are placed too high | ||
| The grouping of these warning signs makes it easier to avoid the hazards | ||
| Warning signs need to be well lit and clear of impediments | ||
| These signs provide effective warning of hazards |
|