Boman-Kemp
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Boman-Kemp |
Emergency Escape & Rescue Opening Code
Requirements For One & Two Family Dwellings
Emergency Escape and Rescue Openings: section: R310.1
Basements with habitable space and every sleeping room shall have at least one open able emergency escape and rescue window or exterior door. They shall have a sill height of not more than 44 inches above the floor. The net clear opening dimension shall be a minimum of 5.7 square feet X min. Net opening height shall be 24 inches = min. width opening of 34 1/4 inches. Net clear opening of 5.7 sq. ft. X min. Net clear opening width shall be 20 inches min. height opening of 41 inches. And shall be obtained by the normal operation of the window or door opening form the inside.
Natural Light: Section R303.1
Habitable rooms shall be provided with natural light be means of exterior glazed opening with an area no less than (8%) of the floor area of such rooms with a min. of 10 sq. ft. with the deductions for the bathrooms, closets, halls, storage and utility space square footage. Sleeping rooms and habitable rooms shall be provided with natural ventilation by means of open able exterior openings with an are of not less than (4%) of the floor area of such rooms with a min. of 5 sq. ft.
Window Wells: Section: R310.2
The horizontal dimensions of a window well shall allow the emergency escape and rescue opening to be fully opened. The horizontal dimensions of the window well shall provide a minimum net clear area of (9) square feet with a minimum horizontal projections and width of 36 inches. Exception: The ladder or steps required by section R310.2.1 shall be permitted to encroach a maximum of 6 inches into the required dimensions of the window well.
Ladder and Steps: Section: R310.2.1
Window wells with a vertical depth greater than 44 inches below adjacent ground level shall be equipped with a permanently affixed ladder or steps usable with the window in the fully open position. Ladders or rungs shall have an inside width of at least 12 inches, shall project at least 3 inches from the wall and shall be spaced not more that 18 inches on center vertically for the full height of the window well.
Bars, Grills, Covers and Screens: Section: R310.3
Placed over emergency escape and rescue opening or window wells that serve such openings shall be releasable or removable from the inside without the use of a key, tool or special knowledge.