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NFPA 430

NFPA 430

NFPA 430

(OP)
How is the building limit(weight) calculated for the maximum storage of chemicals in buildings?  For example, I am designing a structure to house a Class 2 oxidizer.  It appears that the maximum building limit in a non sprinkled area is 9000 lbs.  For an aqueous solution is this limit calculated by the weight of the solution or the weight of the solute in dry form?

RE: NFPA 430

what code and edition are you desigining to??

appears pounds already in solution

RE: NFPA 430

Oxidizers are always calculated based on their wieght, not by their volume under NFPA 430.

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