1% (That would be 5 if you had 500 of all the same type and temp.) If say
you had 200 SSU and 200 SSP and 100 HSW, then you would need to supply 4 of
each type.)

Remember, if even one fails, you replace all the sprinkler in the area that
sample represents. NFPA 25, 2008 5.3.1.3.

Thom McMahon, SET
Firetech, Inc.
2560 Copper Ridge Dr
P.O. Box 882136
Steamboat Springs, CO 80488
Tel:  970-879-7952
Fax: 970-879-7926



-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dyce Geoffrey
H.
Sent: Monday, November 17, 2008 3:37 PM
To: [email protected]
Subject: Testing Sprinklers

We have a situation where there are aprox. 10 warehouse systems with
sprinklers over 50 years old  which include offices, racks, and ceiling
sprinklers.  If each system has 500 +/- sprinklers and each sample requires
4 sprinklers or 1%, whichever is greater, what would you call a
representative sample of this building?
Thanks in advance

Geoffrey H. Dyce
Sales Manager
Contractor I, #87582700012007
NICET IV
Industrial Fire & Safety Inc.
Ph:    727-573-1556
Fx:    727-572-7266
Cell:  727-644-8872

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