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  1. RLabire

    Fire Protection system needing connection to two water mains?

    Stookeyfpe you are confusing two issues, this requirement was not eliminated in 2015 IBC. 403.3.1 does require a building over 420' to have two supplies. However 403.3.3 requires any highrise building in Seismic Design Category C, D, E, or F to have a secondary supply.

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