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FPETool, developed by NIST, provided detailed predictions of fire behaviour, smoke spread, and egress times to aid fire safety engineers. [10] EXIT89, developed by Dr Rita Fahy , added a behavioural dimension, simulating how individuals might respond to evacuation orders. [ 11 ]
An area of refuge or safe room [1] is a place in a building designed to hold occupants during a fire or other emergency when evacuation may not be safe or possible. Occupants can wait there until rescued or relieved by firefighters.
Emergency exit in Universitetet metro station in Stockholm. An emergency exit in a building or other structure is a special exit used during emergencies such as fires.The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.
Means of egress: The way out of a building during an emergency; may be by door, window, hallway, or exterior fire escape; local building codes will often dictate the size. location and type according to the number of occupants and the type of occupancy. Multiple alarms: A request by an incident commander for additional personnel and apparatus ...
The United States Environmental Protection Agency allows concentration of 9% volume in occupied spaces without mandated egress time, or up to 10.5% for a limited time. Most fire suppression systems are designed to provide concentration of 6.25-9%.
The equivalent width of a spectral line is a measure of the area of the line on a plot of intensity versus wavelength in relation to underlying continuum level. It is found by forming a rectangle with a height equal to that of continuum emission, and finding the width such that the area of the rectangle is equal to the area in the spectral line.
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PASS (The basic steps for portable fire extinguisher use.) [6]. Pull or Pin - Pull the pin at the top of the fire extinguisher (and immediately test the extinguisher).; Aim - Aim the nozzle or outlet of the extinguisher at the base of the fire.