We are designing an apartment complex per NFPA 13 requirements. Is it
permissible to install intermediate temperature sprinklers throughout
all spaces (except those that would specifically require a high temp
sprinkler due to other sections)?
The specific question arises because we have ordinary temperature
sprinklers throughout most areas, and intermediate temp sprinklers in
mechanical closets and laundry rooms in the dwelling units. The AHJ
states that since the areas (mech closets and laundry areas in the
dwelling units) are conditioned spaces, that we must use ordinary
temperature rated sprinklers. He states that Table 8.3.2.5(c)
over-rides the flexibility provided by 8.3.2.1 which allows ordinary or
intermediate temp sprinklers throughout buildings.
This has been common practice to install the intermediate temp
sprinklers in these areas. This is the first time that this plan
reviewer has ever brought this up. Some contractors in this area are
moving toward intermediate temp sprinklers throughout in residential
areas for various reasons.
--
Travis Mack, SET
MFP Design, LLC
2508 E Lodgepole Drive
Gilbert, AZ 85298
480-505-9271
fax: 866-430-6107
email:[email protected]
http://www.mfpdesign.com
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