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904.6.8.2 Fusible link maintenance.
Fixed temperature-sensing elements shall be maintained to ensure proper operation of the system.
904.6.8.3 Commercial cooking installations.
Wet chemical fire extinguishing systems installed to protect a commercial cooking operation shall additionally comply with the requirements of FC 904.3.8.
904.6.9 Commercial cooking systems.
Commercial cooking fire extinguishing systems shall be maintained in accordance with FC 609, 901.6.1, 904.5 and 904.6.9.1.
904.6.9.1 Fusible link and sprinkler head replacement.
Fusible links and foam water sprinkler heads shall be replaced at least annually, and other protection devices shall be serviced or replaced in accordance with the manufacturer's instructions.
Exception: Frangible bulbs are not required to be replaced annually.
904.6.10 Domestic cooking systems.
Fire extinguishing systems installed on domestic cooking hoods in Group I-2 occupancies, or in any other occupancy, shall be installed and maintained in accordance with FC 904.6.10.1 and 904.6.10.2.
904.6.10.1 Installation.
Such fire extinguishing systems shall be installed by a master fire suppression piping contractor, who shall certify to the department that the installation is in compliance with the construction codes and this code. Such certification shall be submitted to the department in the manner prescribed by the department.
904.6.10.2 Maintenance.
Such fire extinguishing systems shall be maintained in accordance with FC 901.6.1 and 904.5.
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