This standard covers the design and
installation of automatic sprinkler
systems for protection against fire
hazards in residential occupanc
ies up to and including two
four
stories in height. Residential occupancies
three or more stories in height shall be prot
ected throughout in accordance with NFPA 13.
When sprinkler protection is being pr
ovided to mitigate the minimum Fire
Code requirements for fire flow,
number of fire hydrants, or fire department access
for single-family residential occupancies, the minimum
design criteria shall be as outlined in Section 7.5 Pr
otection Matrix for Group R Division 3 Occupancies and
buildings built under the IRC.