I know it not required every year the inspector thinks it should be done 5 or 10 years
Is this a private inspector or public???
Where is he pulling that from??
What is it protecting??
What fire code and edition are you under??
NFPA 25 defines:
3.6.4* Sprinkler System. A system that consists of an integrated network of piping designed in accordance with fire protection engineering standards that includes a water supply source, a water control valve, a waterflow alarm, and a drain. The portion of the sprinkler system above ground is a network of specifically sized or hydraulically designed piping installed in a building, structure, or area, generally overhead, and to which sprinklers are attached in a systematic pattern. The system is commonly activated by heat from a fire and discharges water over the fire area. [13, 2016]
And I do not see anything in NFPA 25, that says less than so many heads does not need an annual inspection.
My understanding is that any more than 6 heads and you have a "system" which needs to be inspected as indicated in NFPA 25?
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