Personal Backup 6.3.4.1 instaling1/12/2024 ![]() The following design and installation guides shall apply where pendent sprinklers in the upright position or old-style sprinklers are to be utilized: * The supply line to the duct sprinklers, if taken from the ceiling sprinkler system, shall be equipped with an accessible listed control valve.* The system demand shall include the discharge from the hydraulically most remote adjacent sprinklers in a common 100 linear ft (30.5 m) area of duct (horizontal and/or vertical).Sprinklers shall be ordinary temperature rated, unless required to be higher due to operating temperatures measured in the ducts, in which case the operating temperature shall be at least 50☏ (28☌) above the inside temperature of the duct. ![]()
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