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Home > Forums > Engineering Codes, Standards & Certifications > Engineering Codes, Standards & Certifications > NFPA (fire) Code Issues Forum

Wasn't there a time when there was a figure associated with 5.3.1.1.3

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lightecho (Mechanical)

11 Apr 11 17:29

I have a building with 22 year old QR sprinklers that I will send out for UL testing as per 25, 5.3.1.1.1.3.

I thought there was a recommendation of how many per 100 or percentage in 25. I sure don't see it now.

Thx
Dave

NJ1 (Mechanical)

11 Apr 11 21:45

NFPA 25-2002
5.3.1.1.1.2 Sprinklers using fast response elements that have being in service for over 20 years shall be tested. They shall be retested at 10 years intervals.

5.3.1.2
A representative sample of sprinklers for testing per 5.3.1.1.1 shall consist of a minimum of not less than 4 sprinklers or 1 percent of the number of sprinklers per sprinkler sample, whichever is greater.

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