Agree 100%. However, realize some standard response sprinklers utilize fast 
response therm  elements. The thermal element response is not the same as what 
the sprinkler is classified as.

As stated earlier:

  *   All quick response sprinklers utilize a fast response thermal element.
  *   All residential sprinklers utilize a fast response thermal element.
  *   All ESFR sprinklers utilize a fast response thermal element.

Thanks,
John

John August Denhardt, P.E
Vice President Engineering and Technical Services
American Fire Sprinkler Association
301-343-1457

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On May 12, 2023, at 7:20 PM, Tom Wellen <[email protected]> wrote:

 Steven Scandaliato put it best during an AFSA conference in Dallas circa 
2006, look at the definition of fast response sprinklers. Three sprinklers fall 
within that family; 1) ESFR, 2) quick response, and 3) residential.

As such, considered the same.

Steven is one of the best in my book!


Thomas Wellen, P.E.
Senior Fire Protection Consultant
Fire Engineering & Consulting, LLC
M: 972.355.2159
fireeac.com<http://fireeac.com/>

[https://docs.google.com/uc?export=download&id=1XiIfUFuqsIaS8hV1L5l0ILOBi77_zkXN&revid=0Bxj0TVkMtq_4d2VORjRBdnUvREZkZ0U1WmpyNTdHbUc5c1dZPQ]<http://fireeac.com/>

On May 12, 2023, at 9:26 AM, Gregg Fontes <[email protected]> wrote:


When applying FM Data tables that call for quick response fire sprinklers, is a 
ESFR fire sprinkler considered quick response or as the cut sheet states fast 
response?  Or is quick response and fast response considered the same?

Thanks,
Gregg Fontes
Lead Estimator
O: 209-334-9119
[email protected]<mailto:[email protected]>

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