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// CODE SNIPPET

425.2 Use of School Buildings by Lower Grades

Minnesota Building Code 2015 > 4 Special Detailed Requirements Based on Use and Occupancy > 425 Group E Occupancies > 425.2 Use of School Buildings by Lower Grades
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In addition to the occupancy and construction requirements in this code, this section applies to those special uses and occupancies described in this section.

425.2.1 School Buildings Equipped With Approved Automatic Fire Sprinkler and Fire Alarm Systems

Rooms used by preschool, kindergarten, and first and second grade students for classrooms, latchkey, day care, early childhood family education, teen parent, or other programs conducted in the building may be located on any floor level below the fourth story if the following conditions exist:
  1. The building is protected throughout with an approved automatic fire sprinkler system; and
  2. The building is protected throughout with an approved automatic fire alarm system having automatic smoke detection devices installed throughout the exit system within every room or area used for purposes other than a classroom or office.

425.2.2 School Buildings Equipped With Either an Approved Automatic Fire Sprinkler System or a Fire Alarm System

Rooms shall be located on the story of exit discharge when used for the purposes of classroom, latchkey, day care, early childhood education, teen parent, or other programs conducted in the building by preschool, kindergarten, or first grade students. Rooms shall be located on the story of exit discharge or one story above when used for any purpose by second grade students.
Rooms occupied by preschool, kindergarten, first or second grade students, when used for the programs described in this section, may be located on floor levels other than those designated above if one of the following conditions is met:
  1. An approved automatic fire sprinkler system is provided throughout the building and the use of the affected room or space is limited to one grade level at a time and exiting is provided from the room or space that is independent from the exiting system used by students above second grade; or
  2. An approved automatic fire alarm system is installed throughout the building consisting of automatic smoke detection installed throughout the exit system and within all rooms and areas other than classroom and office areas, and the use of the affected room or space is limited to one grade level at a time, and exiting is provided from the room or space that is independent from the exiting system used by students above second grade. For the purposes of this subpart, pupils from the second grade down are considered one grade level.

425.2.3 Accessory Spaces

Accessory spaces, including spaces used for gymnasiums, cafeterias, media centers, auditoriums, libraries, and band and choir rooms, used on a temporary basis by preschool, kindergarten, first and second grade students are permitted to be located one level above or one level below the story of exit discharge, if the building is protected throughout by an approved automatic sprinkler system or an approved corridor smoke detection system.

Related Code Sections


425.2 Special Detailed Requirements Based on Use and Occupancy, Use of School Buildings by Lower Grades
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Minnesota Building Code 2015 > 4 Special Detailed Requirements Based on Use and Occupancy > 425 Group E Occupancies > 425.2 Use of School Buildings by Lower Grades
220.86 Wiring and Protection, Schools
The calculation of a feeder or service load for schools shall be permitted in accordance with Table 220.86 in lieu of Part III of this article where ...
National Electrical Code, 2020 > 2 Wiring and Protection > 220 Branch-Circuit, Feeder, and Service Load Calculations > 220.86 Schools
Section 304 Use and Occupancy Classification, Business Group B
Business Group B occupancy includes, among others, the use of a building or structure, or a portion thereof, for office, professional or service-type ...
Minnesota Building Code 2015 > 3 Use and Occupancy Classification > 304 Business Group B
425.1 Special Detailed Requirements Based on Use and Occupancy, Applicability
This section applies to Group E school buildings containing uses described in this section. School buildings shall comply with this section and all ...
Minnesota Building Code 2015 > 4 Special Detailed Requirements Based on Use and Occupancy > 425 Group E Occupancies > 425.1 Applicability
3104.5.3 Special Construction, Open Sides on Walkway
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2020 Minnesota Building Code > 31 Special Construction > 3104 Pedestrian Walkways and Tunnels > 3104.5 Connections of Pedestrian Walkways to Buildings > 3104.5.3 Open Sides on Walkway
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