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The Columbus Division of Fire oversees 35 engine companies, 16 ladder companies, 5 rescue companies, and 40 EMS transport vehicles as well as several special units and reserve apparatus. It is staffed by a minimum of 292 personnel during daytime hours (first 12 hours) and 331 during nighttime hours (second 12 hours). [ 5 ]
The servicer places a tag on the extinguisher to indicate the type of service performed (annual inspection, recharge, new fire extinguisher). Hydrostatic pressure testing for all types of extinguishers is also required, generally every five years for water and CO 2 models up to every 12 years for dry chemical models.
Dry chemical powder is used on all classes of fires. Dry chemical powder puts out the fire by coating the burning material with a thin layer of dust, thereby separating the fuel from the oxygen in the air. The powder also works to interrupt the chemical reaction of fire, so these extinguishers are extremely effective at putting out the fire.
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br.It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [1]
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This page was last edited on 12 February 2023, at 00:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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