Can fixed foam fire extinguishers be omitted for covered vertical oil tanks and vertical storage tanks for Class B liquids?
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Mobile foam fire extinguishing systems can be used for above-ground horizontal storage tanks, buried vertical oil tanks, vertical storage tanks for Class B liquids, and above-ground storage tanks with a capacity of not more than 200 m3. ——Is it to avoid using fixed foam fire extinguishers?
The ignition point of Class B C is already quite high, and coupled with low reserves, the probability of fires is extremely low; therefore, there is no need to install fixed systems.
“Mobile foam fire extinguishing systems can be used for above-ground horizontal storage tanks, buried vertical oil tanks, vertical storage tanks for Class B liquids, and above-ground storage tanks with a capacity of not more than 200 m3. ”This sentence is the original text from the GB 50074-2014 Code for Design of Oil Depots.
It’s not necessary to do it; there are mobile foam stations available now