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  1. SprinkGuy23

    Flexible sprinkler drop

    Does anyone know of any clarification of NFPA 13 2019 edition 17.4.1.3.3.3? "17.4.1.3.3.3* Where flexible sprinkler hose fittings exceed 6 ft(1.8 m) in length and are supported by a suspended ceiling in accordance with 17.4.1.3.3.2, a hanger(s) attached to the structure shall be required to...
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