What characteristics are essential for fire fighter suit?
A good fire fighter suits must protect the firefighter from the following: Flash fire. Conductive heat. Radiant heat….Beside above it should have following additional characteristics:
- Thermal insulation.
- Water repellency.
- Breathable.
- Flexible.
- Light weight.
- Durability to several washes.
- High impact, puncture and tear resistance.
What are the three principles of hazmat response?
Another system, outlined in NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response,3 identifies hazards by the severity of the hazard in three principal categories (health, flammability, and instability).
What is a level 4 Hazmat?
Risk level 4: Materials too dangerous to human health to expose firefighters. A few whiffs of the vapor could cause death or the vapor or liquid could be fatal on penetrating the firefighter s normal full protective clothing.
What is a Level 3 hazardous material?
A Level 3 incident involves hazardous materials “beyond the capabilities of a single state or regional response team and requires additional assistance.” These incidents generally pose extreme, immediate, or long-term risk to the environment and public health.
How can a hazard turn into a disaster?
A hazard becomes a disaster when it happens where many people are living or have their livelihoods and causes damage to them and their property. For example, during a flood many people drown or are injured, lose their animals and their property.
Does size and magnitude matter in determining a hazard?
Thus the magnitude (size) and frequency (regularity) of events are closely inter-related for any given type of hazard (Figures 4a and 4b). Magnitude/frequency relationships in natural hazards. Large events are infrequent but catastrophic, whereas most hazards are of moderate size and common occurrence.