OS3 Safety in Use



Intent 1:

To limit the probability that, should backflow occur, a lack of protection by traps or indirect connections will lead to exposure to corrosive or acid waste or fumes, which could lead to harm to persons.

Intent 2:

To limit the probability that the discharge of full-strength corrosive or acid waste into drainage systems will lead to corrosive damage to pipes or fittings, which could lead to leakage, which could lead to the entry of corrosive or acid gases into occupied space, which could lead to harm to persons.

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