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R312.2.1 Window Sills

Los Angeles Residential Code > 3 Building Planning > R312 Guards and Window Fall Protection > R312.2 Window Fall Protection > R312.2.1 Window Sills
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In dwelling units, where the top of the sill of an operable window opening is located less than 24 inches (610 mm) above the finished floor and greater than 72 inches (1829 mm) above the finished grade or other surface below on the exterior of the building, the operable window shall comply with one of the following:

  1. Operable windows with openings that will not allow a 4-inch-diameter (102 mm) sphere to pass through the opening where the opening is in its largest opened position.
  2. Operable windows that are provided with window fall prevention devices that comply with ASTM F2090.
  3. Operable windows that are provided with window opening control devices that comply with Section R312.2.2.

Related Code Sections


R312.2.1 Building Planning, Window Sills
In dwelling units, where the top of the sill of an operable window opening is located less than 24 inches (610 mm) above the finished floor ...
Los Angeles Residential Code > 3 Building Planning > R312 Guards and Window Fall Protection > R312.2 Window Fall Protection > R312.2.1 Window Sills
R310.2.2 Building Planning, Window Sill Height
(1118 mm) measured from the floor; where the sill height is below grade, it shall be provided with a window well in accordance with Section R310.2.3 ...
Los Angeles Residential Code > 3 Building Planning > R310 Emergency Escape and Rescue Openings > R310.2 Emergency Escape and Rescue Openings > R310.2.2 Window Sill Height
1104.16.4 Construction Requirements for Existing Buildings, Access
not be higher than the floor or window sill level and not lower than 8 inches (203 mm) below the floor level or 18 inches (457 mm) below the window sill ...
Los Angeles Fire Code > 11 Construction Requirements for Existing Buildings > 1104 Means of Egress for Existing Buildings > 1104.16 Fire Escape Stairways > 1104.16.4 Access
1224.4.9.2 Interior Environment, Operation and Sills
Patient room windows shall have sills not more than 36 inches (914 mm) above the floor. If operable windows are provided that require the use ...
Los Angeles Building Code > 12 Interior Environment > 1224 [OSHPD 1] Hospitals > 1224.4 General Construction > 1224.4.9 Windows and Screens > 1224.4.9.2 Operation and Sills
1227.6.3 Interior Environment, Door View Windows
Doors to patient bedrooms shall be provided with a view window with a minimum area of 288 square inches (0.186 square meters). Window sill height ...
Los Angeles Building Code > 12 Interior Environment > 1227 [OSHPD 4] Correctional Treatment Centers > 1227.6 Doors and Door Openings > 1227.6.3 Door View Windows
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