Tunnel fire risk assessment
Expert-defined terms from the Advanced Certificate in Tunnel Fire Protection course at London School of Business and Administration. Free to read, free to share, paired with a globally recognised certification pathway.
Advanced Certificate in Tunnel Fire Protection #
A certification program that provides in-depth knowledge and training on tunnel fire protection, including fire risk assessment, fire safety engineering, and fire suppression systems.
Air Pressure Stabilization System #
A system that maintains a stable air pressure differential between the tunnel and the outside environment to prevent the spread of smoke and fire.
Area of Refuge #
A safe and accessible area within a tunnel where passengers can wait for assistance in the event of an emergency.
Backup Power System #
An emergency power supply system that provides power to critical safety systems in the event of a power failure.
Carbon Monoxide (CO) #
A toxic gas produced by the incomplete combustion of fuels, which can be deadly in high concentrations.
Combustible Material #
Any material that is capable of burning, including fuel, wood, and plastics.
Computational Fluid Dynamics (CFD) #
A numerical modeling technique used to simulate and analyze the movement and behavior of fluids, including smoke and fire in a tunnel.
Conflagration #
A large and destructive fire that spreads quickly and can be difficult to control.
Consequence Analysis #
The process of evaluating the potential impact of a fire on people, property, and the environment.
Cone Calorimeter #
A bench-scale testing device used to measure the fire behavior of materials, including their heat release rate and smoke production.
Design Fire Scenario #
A hypothetical fire scenario used to design and evaluate the fire protection systems in a tunnel.
Egress Time #
The time it takes for occupants to evacuate a tunnel in the event of an emergency.
Evacuation Plan #
A plan that outlines the procedures and strategies for evacuating a tunnel in the event of an emergency.
Fire and Smoke Extraction System #
A system that removes smoke and fire from a tunnel using a combination of fans, ducts, and filters.
Fire Barrier #
A physical barrier that separates different areas of a tunnel to prevent the spread of fire.
Fire Detection System #
A system that detects and alerts occupants to the presence of a fire in a tunnel.
Fire Engineering #
The application of engineering principles and techniques to the design, analysis, and management of fire safety in a tunnel.
Fire Hazard Analysis #
The process of identifying and evaluating the fire hazards in a tunnel.
Fire Modeling #
The use of mathematical models to simulate and analyze the behavior of fire in a tunnel.
Fire Resistance Rating #
The time a fire barrier can withstand exposure to fire under specified conditions.
Fire Risk Assessment #
The process of identifying, evaluating, and prioritizing the fire risks in a tunnel.
Fire Safety Management Plan #
A plan that outlines the policies, procedures, and responsibilities for managing fire safety in a tunnel.
Fire Suppression System #
A system that actively extinguishes a fire in a tunnel, including water sprinklers, foam systems, and gas suppression systems.
Fuel Load #
The amount of combustible material present in a tunnel, including vehicles, fuels, and structural components.
Heat Release Rate #
The rate at which a material releases heat during combustion.
Human Behavior in Fire #
The study of how people react and behave in the event of a fire in a tunnel.
Ignition Source #
Any energy source that can initiate a fire, including sparks, hot surfaces, and open flames.
Occupant Load #
The number of people present in a tunnel at any given time.
Passive Fire Protection #
Fire protection measures that do not require any active intervention, including fire barriers and fire-resistant materials.
Post #
Fire Analysis: The process of evaluating the effectiveness of the fire protection systems in a tunnel after a fire.
Quantitative Risk Assessment #
A risk assessment method that uses mathematical models to quantify the fire risks in a tunnel.
Radiant Heat #
The heat energy emitted by a fire in the form of infrared radiation.
Risk Management #
The process of identifying, evaluating, and prioritizing the risks in a tunnel, and implementing measures to mitigate or eliminate those risks.
Smoke Control System #
A system that controls the movement and behavior of smoke in a tunnel, including smoke exhaust fans, smoke barriers, and smoke curtains.
Smoke Exhaust Ventilation System #
A system that removes smoke from a tunnel using a combination of fans, ducts, and vents.
Smoke Management Plan #
A plan that outlines the policies, procedures, and responsibilities for managing smoke in a tunnel.
Structural Fire Protection #
Fire protection measures that are designed to protect the structural integrity of a tunnel in the event of a fire.
Temperature Rise Curve #
A graph that shows the rate of temperature increase during a fire.
Tunnel Fire Safety #
The overall approach to managing fire safety in a tunnel, including fire risk assessment, fire protection systems, and emergency response planning.
Ventilation System #
A system that provides fresh air to a tunnel and removes exhaust gases and pollutants.
Wildfire #
A fire that occurs in a natural environment, such as a forest or grassland, and can spread to a tunnel.