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407.2 Corridors Continuity and Separation
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Waiting areas, public-use areas or group meeting spaces constructed as required for corridors shall be permitted to be open to a corridor, only where all of the following criteria are met:
- The spaces are not occupied as care recipient's sleeping rooms, treatment rooms, incidental uses in accordance with Section 509, or hazardous uses.
- The open space is protected by an automatic fire detection system installed in accordance with Section 907.
- The corridors onto which the spaces open, in the same smoke compartment, are protected by an automatic fire detection system installed in accordance with Section 907, or the smoke compartment in which the spaces are located is equipped throughout with quick-response sprinklers in accordance with Section 903.3.2.
- The space is arranged so as not to obstruct access to the required exits.
Areas wherein psychiatric care recipients who are not capable of self-preservation are housed, or group meeting or multipurpose therapeutic spaces other than incidental uses in accordance with Section 509, under continuous supervision by facility staff, shall be permitted to be open to the corridor, where the following criteria are met:
- Each area does not exceed 1,500 square feet (140 m2).
- The area is located to permit supervision by the facility staff.
- The area is arranged so as not to obstruct any access to the required exits.
- The area is equipped with an automatic fire detection system installed in accordance with Section 907.2.
- Not more than one such space is permitted in any one smoke compartment.
- The walls and ceilings of the space are constructed as required for corridors.
In Group I-2, Condition 1 occupancies, in areas where nursing home residents are housed, shared living spaces, group meeting or multipurpose therapeutic spaces shall be permitted to be open to the corridor, where all of the following criteria are met:
- The walls and ceilings of the space are constructed as required for corridors.
- The spaces are not occupied as resident sleeping rooms, treatment rooms, incidental uses in accordance with Section 509, or hazardous uses.
- The open space is protected by an automatic fire detection system installed in accordance with Section 907.
- The corridors onto which the spaces open, in the same smoke compartment, are protected by an automatic fire detection system installed in accordance with Section 907, or the smoke compartment in which the spaces are located is equipped throughout with quick-response sprinklers in accordance with Section 903.3.2.
- The space is arranged so as not to obstruct access to the required exits.
In Group I-2, Condition 1 occupancies, rooms or spaces that contain a cooking facility with domestic cooking appliances shall be permitted to be open to the corridor where all of the following criteria are met:
- The number of care recipients housed in the smoke compartment shall not be greater than 30.
- The number of care recipients served by the cooking facility shall not be greater than 30.
- Not more than one cooking facility area shall be permitted in a smoke compartment.
- The types of domestic cooking appliances permitted shall be limited to ovens, cooktops, ranges, warmers and microwaves.
- The corridor shall be a clearly identified space delineated by construction or floor pattern, material or color.
- The space containing the domestic cooking facility shall be arranged so as not to obstruct access to the required exit.
- Domestic cooking hoods installed and constructed in accordance with Section 505 of the International Mechanical Code shall be provided over cooktops and ranges.
- Cooktops and ranges shall be protected in accordance with Section 904.13.
- A shut-off for the fuel and electrical power supply to the cooking equipment shall be provided in a location that is accessible only to staff.
- A timer shall be provided that automatically deactivates the cooking appliances within a period of not more than 120 minutes.
- A portable fire extinguisher shall be provided. Installation shall be in accordance with Section 906, and the extinguisher shall be located within a 30-foot (9144 mm) distance of travel from each domestic cooking appliance.
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