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// CODE SNIPPET

612.4 Window Opening Limiting Devices

Ohio Residential Code 2013 > 6 Wall Construction > 612 Exterior Windows and Doors > 612.4 Window Opening Limiting Devices
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Where provided , window opening limiting devices shall comply with the provisions of this section.

612.4.1 General Requirements

Window opening limiting devices shall be self acting and shall be positioned to prohibit the free passage of a 4-in. (102-mm) diameter rigid sphere through the window opening when the window opening limiting device is installed in accordance with the manufacturer's instructions.

612.4.2 Operation for Emergency Escape

Window opening limiting devices shall be designed with release mechanisms to allow for emergency escape through the window opening without the need for keys, tools or special knowledge. Window opening limiting devices shall comply with all of the following:

  1. Release of the window opening-limiting device shall require no more than 15 pounds (66 N) of force.
  2. The window opening limiting device release mechanism shall operate properly in all types of weather.
  3. Window opening limiting devices shall have their release mechanisms clearly identified for proper use in an emergency.
  4. The window opening limiting device shall not reduce the minimum net clear opening area of the window unit below what is required by Section 310.1.1 of the code.

Related Code Sections


612.4 Wall Construction, Window Opening Limiting Devices
Where provided , window opening limiting devices shall comply with the provisions of this section ...
Ohio Residential Code 2013 > 6 Wall Construction > 612 Exterior Windows and Doors > 612.4 Window Opening Limiting Devices
1015.8 Means of Egress, Window Openings
Operable windows where the openings are provided with window fall prevention devices that comply with ASTM F2090. Operable windows ...
Ohio Building Code 2017 > 10 Means of Egress > 1015 Guards > 1015.8 Window Openings
R312.1.3 Building Planning, Opening Limitations
Required guards shall not have openings from the walking surface to the required guard height that allow passage of a sphere 4 inches (102 mm ...
2019 Residential Code of Ohio > 3 Building Planning > R312 Guards and Window Fall Protection > R312.1 Guards > R312.1.3 Opening Limitations
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