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// CODE SNIPPET

R310.1 Emergency Escape and Rescue Required

DC Residential Code 2013 > 3 Building Planning > R310 Emergency Escape and Rescue Openings > R310.1 Emergency Escape and Rescue Required
JUMP TO FULL CODE CHAPTER
Basements, habitable attics and every sleeping room shall have at least one operable emergency escape and rescue opening. Where basements contain one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room. Where emergency escape and rescue openings are provided they shall have a sill height of not more than 44 inches (1118 mm) measured from the finished floor to the bottom of the clear opening. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with Section R310.3. The net clear opening dimensions required by this section shall be obtained by the normal operation of the emergency escape and rescue opening from the inside. Emergency escape and rescue openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2. Emergency escape and rescue openings shall open directly into a public way, or to a yard or court that opens to a public way.
Exception: Basements used only to house mechanical equipment and not exceeding total floor area of 200 square feet (18.58 m2).

R310.1.1 Minimum Opening Area

All emergency escape and rescue openings shall have a minimum net clear opening of 5.7 square feet (0.530 m2).

Exception: Grade floor openings shall have a minimum net clear opening of 5 square feet (0.465 m2).

R310.1.2 Minimum Opening Height

The minimum net clear opening height shall be 24 inches (610 mm).

R310.1.3 Minimum Opening Width

The minimum net clear opening width shall be 20 inches (508 mm).

R310.1.4 Operational Constraints

Emergency escape and rescue openings shall be operational from the inside of the room without the use of keys, tools or special knowledge.

Related Code Sections


R310.1 Building Planning, Emergency Escape and Rescue Required
one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room. Where emergency escape and rescue openings ...
DC Residential Code 2013 > 3 Building Planning > R310 Emergency Escape and Rescue Openings > R310.1 Emergency Escape and Rescue Required
R310.1.1 Building Planning, Operational Constraints and Opening Control Devices
opening control devices complying with ASTM F2090 shall be permitted for use on windows serving as a required emergency escape and rescue opening ...
DC Residential Code 2017 > 3 Building Planning > R310 Emergency Escape and Rescue Openings > R310.1 Emergency Escape and Rescue Opening Required > R310.1.1 Operational Constraints and Opening Control Devices
403.5.6 Special Detailed Requirements Based on Use and Occupancy, Emergency Escape and Rescue
Emergency escape and rescue openings required by Section 1029 are not required ...
DC Building Code 2013 > 4 Special Detailed Requirements Based on Use and Occupancy > 403 High-Rise Buildings > 403.5 Means of Egress and Evacuation > 403.5.6 Emergency Escape and Rescue
1030.7 Means of Egress, Emergency Escape and Rescue Openings
Required emergency escape and rescue openings shall be maintained in accordance with the code in effect at the time of construction ...
DC Fire Code 2013 > 10 Means of Egress > 1030 Maintenance of the Means of Egress > 1030.7 Emergency Escape and Rescue Openings
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