GB/T 35649-2017Specification for emergency response plotting symbols (English PDF)

3.1 Emergencies

Immediate, urgent (usually unexpected) accidents or events requiring immediate response.

3.2 Emergency responseresponse

Measures taken to respond to emergencies.

3.3 Plotting symbol

Graphical symbols used to identify and map emergency management information when handling an incident.

3.4 Hazard

Potential causes of personal injury or illness, loss of material property, disruption of the work environment, or a combination of these factors.

Note. Mainly include natural disaster risk hidden areas (points), hazard sources of accidental disasters, public health hazard sources, social security risk hidden trouble areas (points), etc.

Four categories.

3.5 Protection target

In the event of an emergency, the objects that need to be protected due to the risks involved usually include important parts and critical infrastructure.

And its personnel.

Note. The important parts mainly include. key government departments, schools, scientific research institutions, news broadcasters, national defense goals, public gathering places, financial institutions, and important fields.

Institutes, monitoring stations, wildlife protection and management sites, important ecological security areas, construction sites under construction, etc.; key infrastructure mainly includes.

Systems, highway infrastructure, railway infrastructure, water transportation infrastructure, civil aviation transport facilities, water conservancy facilities, electric infrastructure, oil and gas facilities

Shi, urban lifeline infrastructure, etc.