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1103.5.3 Basement Access or Sprinkler Protection
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An approved automatic sprinkler system shall be provided in the following occupancies located in basements when such areas exceed 2,500 square feet (232.3 m2) in size and do not have 20 square feet (1.86 m2) of opening entirely above the adjoining ground level in each 50 lineal feet (15 240 mm) or fraction thereof of exterior wall on at least one side of the building:
- Group A occupancies used as commercial drinking and dining establishments.
- Group A occupancies used as bowling alleys.
- Group E occupancies used for student occupancy.
- Group I occupancies.
- Group R-1 and R-2 occupancies having dwelling units or guest rooms.
Openings required by this section shall have a minimum dimension of 30 inches (762 mm).
If any portion of the basement is located more than 75 feet (22.86 m) from required openings, the basement shall be provided with an approved automatic sprinkler system throughout.
Related Code Sections
1103.5.3 Construction Requirements for Existing Buildings, Basement Access or Sprinkler Protection
An
approved automatic sprinkler system shall be provided in
the following occupancies located in basements when such
areas exceed 2,500 square feet ...
2020 Minnesota State Fire Code > 11 Construction Requirements for Existing Buildings > 1103 Fire Safety Requirements for Existing Buildings > 1103.5 Sprinkler Systems > 1103.5.3 Basement Access or Sprinkler Protection
1103.5.3 Construction Requirements for Existing Buildings, Basement Access or Sprinkler Protection
An approved automatic sprinkler system shall be provided in the following occupancies located in basements when such areas exceed 2,500 square feet ...
Minnesota Fire Code 2015 > 11 Construction Requirements for Existing Buildings > 1103 Fire Safety Requirements for Existing Buildings > 1103.5 Sprinkler Systems > 1103.5.3 Basement Access or Sprinkler Protection
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Where any portion of a basement is located more than 75 feet (22 860 mm) from openings required by Section 903.2.11.1, or where walls, partitions ...
Minnesota Fire Code 2015 > 9 Fire Protection Systems > 903 Automatic Sprinkler Systems > 903.2 Where Required > 903.2.11 Specific Buildings Areas and Hazards > 903.2.11.1 Stories Without Openings > 903.2.11.1.3 Basements
903.2.11.1.3 Fire Protection Systems, Basements
Where any portion of a basement is located more than 75 feet (22 860 mm) from openings required by Section 903.2.11.1, or where walls, partitions ...
Minnesota Building Code 2015 > 9 Fire Protection Systems > 903 Automatic Sprinkler Systems > 903.2 Where Required > 903.2.11 Specific Building Areas and Hazards > 903.2.11.1 Stories Without Openings > 903.2.11.1.3 Basements