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// CODE SNIPPET

903.2.11.3 Other Below-Grade Stories

NYC Building Code 2014 > 9 Fire Protection Systems > 903 Automatic Sprinkler Systems > 903.2 Where Required > 903.2.11 Specific Building Areas and Hazards > 903.2.11.3 Other Below-Grade Stories
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An automatic sprinkler system shall be installed throughout every first basement or cellar story below grade of buildings on which access is not provided directly from the outdoors within each 100 feet (30 480 mm) or fraction thereof of horizontal length of every wall that fronts on a street or frontage space required pursuant to Section 501.3.1.
Exception:
  1. One- and two-family dwellings need not provide direct access.
  2. Any building classified in Occupancy Group R-2 not more than three stories in height and with not more than two dwelling units on any story need not provide direct access when such first basement or cellar story is used for dwelling units or for uses accessory to the residential use in the building.
  3. Except as provided in Exception 2, above, for Group R-1 and R-2 occupancies, only one direct access from the outdoors to the first basement or cellar story consisting of a stair or door shall be required when such story is used for dwelling units or for uses accessory to the residential use in the building.

903.2.11.3.1 Opening Dimensions and Access

Such access shall be by stairs, doors, windows or other means that provide an opening 48 inches (1219 mm) high and 32 inches (813 mm) wide, the sill of which shall not be higher than 36 inches (914 mm) above the inside floor. If an areaway is used to provide below grade access, the minimum horizontal dimension shall be at least one-third the depth of the areaway or 6 feet (1829 mm), whichever is less.

Related Code Sections


903.2.11.3 Fire Protection Systems, Other Below-Grade Stories
An automatic sprinkler system shall be installed throughout every first basement or cellar story below grade of buildings on which access ...
NYC Building Code 2014 > 9 Fire Protection Systems > 903 Automatic Sprinkler Systems > 903.2 Where Required > 903.2.11 Specific Building Areas and Hazards > 903.2.11.3 Other Below-Grade Stories
903.2.11.3 Fire Protection Systems, Other Below-Grade Stories
An automatic sprinkler system shall be installed throughout every first basement or cellar story below grade of buildings on which access ...
NYC Building Code 2022 > 9 Fire Protection Systems > 903 Automatic Sprinkler Systems > 903.2 Where Required > 903.2.11 Specific Building Areas and Hazards > 903.2.11.3 Other Below-Grade Stories
8.5.2.1.3 General Requirements,
: When any portion of the escalator is more than six stories above grade, other values of C p may apply and should be determined based upon ...
Safety Code for Elevators and Escalators 2013 of New York City > 8 General Requirements > 8.5 Escalator and Moving Walk Safety Requirement for Seismic Risk Zone 2 or Greater > 8.5.2 Truss Members > 8.5.2.1 > 8.5.2.1.3
501.3.2.2 General Building Heights and Areas; Separation of Occupancies, Below Grade
Access shall be provided directly from the outdoors to the first basement or cellar story below grade, except as provided below, within each 100 feet ...
NYC Building Code 2008 > 5 General Building Heights and Areas; Separation of Occupancies > 501 General > 501.3 Fire Department Access > 501.3.2 Building Access > 501.3.2.2 Below Grade
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