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In addition to the means of egress required by this chapter, provisions shall be made for emergency escape and rescue openings in Group R occupancies. Basements and sleeping rooms below the fourth story above grade plane shall have at least one exterior emergency escape and rescue opening in accordance with this section. Where basements contain one or more sleeping rooms, emergency escape and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basement. Such openings shall open directly into a public way or to a yard or court that opens to a public way.

- Exceptions:
  1. Groups R-1 and R-2 occupancies are not required to provide emergency and escape openings where they comply with all of the following:
     1. Each story has access to two or more means of egress.
     2. The building is constructed of Type I, Type II, Type IIIA or Type IV construction.
     3. The building is equipped throughout with an approved automatic sprinkler system in accordance with Sections 903.3.1.1 or 903.3.3.2.
  2. The emergency escape and rescue opening is permitted to open onto a balcony within an atrium in accordance with the requirements of Section 404, provided the balcony provides access to an exit and the dwelling unit or sleeping unit has a means of egress that is not open to the atrium.
  3. Basements with a ceiling height of less than 80 inches (2032 mm) shall not be required to have emergency escape and rescue openings.
  4. Emergency escape and rescue openings are not required from basements or sleeping rooms that have an exit door or exit access door that opens directly into a public way or to a yard, court or exterior exit balcony that opens to a public way.
  5. Basements without habitable spaces and having not more than 200 square feet (18.6 m2) in floor area shall not be required to have emergency escape and rescue openings.

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In addition to the means of egress required by this chapter, emergency escape and rescue openings shall be provided in the following occupancies:

1. Group R-1 and R-2 occupancies.
2. Group R-1 and R-2 occupancies located on stories with one exit or access to one exit where permitted by Tables 1006.3.2(1) and 1006.3.2(2).
3. Group R-3 occupancies.

Basements and sleeping rooms below the fourth story above grade plane shall have at least one exterior emergency escape and rescue opening in accordance with this section. Where basements contain one or more sleeping rooms, emergency escape and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basement. Such openings shall open directly into a public way or to a yard or court that opens to a public way.

- Exceptions:
  1. Emergency escape and rescue opening are not required from Group R-1 and R-2 occupancies where each story has access to at least two exits or access to exits and the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.
  2. Basements with a ceiling height of less than 80 inches (2032 mm) shall not be required to have emergency escape and rescue openings.
  3. Emergency escape and rescue openings are not required from basements or sleeping rooms that have an exit door or exit access door that opens directly into a public way or to a yard, court or exterior exit balcony that opens to a public way.
  4. Basements without habitable spaces and having not more than 200 square feet (18.6 m2) in floor area shall not be required to have emergency escape and rescue openings.

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In addition to the means of egress required by this chapter, provisions emergency escape and rescue openings shall be made for emergency escape and rescue openings provided in the following occupancies:

1. Group R-1 and R-2 occupancies. Basements
2. Group R-1 and R-2 occupancies located on stories with one exit or access to one exit where permitted by Tables 1006.3.2(1) and 1006.3.2(2).
3. Group R-3 occupancies.

Basements and sleeping rooms below the fourth story above grade planegrade plane shall have at least one exterior emergency escape and rescue openingemergency escape and rescue opening in accordance with this section. Where basementsbasements contain one or more sleeping rooms, emergency escape and rescue openingsemergency escape and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basementbasement. Such openings shall open directly into a public waypublic way or to a yard yard or court court that opens to a public waypublic way.

- Exceptions:
  1. Groups R-1 and R-2 occupancies are not required to provide emergency and escape openings where they comply with all of the following:
     1. Each story has access to two or more means of egress.
     2. The building is constructed of Type I, Type II, Type IIIA or Type IV construction.
     3. The building is equipped throughout with an approved automatic sprinkler system in accordance with Sections 903.3.1.1 or 903.3.3.2.
  2. The emergency escape and rescue opening is permitted to open onto a balcony within an atrium in accordance with the requirements of Section 404, provided the balcony provides access to an exit and the dwelling unit or sleeping unit has a means of egress that is not open to the atrium.
  3. Basements with a ceiling height of less than 80 inches (2032 mm) shall not be required to have emergency escape and rescue openings.
  4. Emergency escape and rescue openings are not required from basements or sleeping rooms that have an exit door or exit access door that opens directly into a public way or to a yard, court or exterior exit balcony that opens to a public way.
  5. Basements without habitable spaces and having not more than 200 square feet (18.6 m2) in floor area shall not be required to have emergency escape and rescue openings.

- Exceptions:
  1. Emergency escape and rescue opening are not required from Group R-1 and R-2 occupancies where each story has access to at least two exits or access to exits and the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1.
  2. Basements with a ceiling height of less than 80 inches (2032 mm) shall not be required to have emergency escape and rescue openings.
  3. Emergency escape and rescue openings are not required from basements or sleeping rooms that have an exit door or exit access door that opens directly into a public way or to a yard, court or exterior exit balcony that opens to a public way.
  4. Basements without habitable spaces and having not more than 200 square feet (18.6 m2) in floor area shall not be required to have emergency escape and rescue openings.

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