By Dean Samet, CHSP
The Joint Commission Standard EC.02.03.05, EP1, states that “At least quarterly, the hospital tests supervisory signal devices (except valve tamper switches). The completion date of the tests is documented.” What systems contain these supervisory signal devices and what is their function? Actually, it is the automatic sprinkler systems as explained in the NFPA Life Safety Code® and National Fire Alarm Code® and as defined below.
Ref. 2000 NFPA 101® Life Safety Code®
Section 9.7 Automatic Sprinklers and Other Extinguishing Equipment
9.7.2.1* Supervisory Signals. Where supervised automatic sprinkler systems are required by another section of this Code, supervisory attachments shall be installed and monitored for integrity in accordance with NFPA 72®, National Fire Alarm Code®, and a distinctive supervisory signal shall be provided to indicate a condition that would impair the satisfactory operation of the sprinkler system. System components and parameters that shall be monitored shall include, but shall not be limited to:
