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// CODE SNIPPET

R310.4.2 Ladder and Steps

Residential Code 2021 of Colorado > 3 Building Planning > R310 Emergency Escape and Rescue Openings > R310.4 Area Wells > R310.4.2 Ladder and Steps
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Area wells with a vertical depth greater than 44 inches (1118 mm) shall be equipped with an approved, permanently affixed ladder or steps. The ladder or steps shall not be obstructed by the emergency escape and rescue opening where the window or door is in the open position. Ladders or steps required by this section shall not be required to comply with Section R311.7.

R310.4.2.1 Ladders

Ladders and rungs shall have an inside width of not less than 12 inches (305 mm), shall project not less than 3 inches (76 mm) from the wall and shall be spaced not more than 18 inches (457 mm) on center vertically for the full height of the area well.

R310.4.2.2 Steps

Steps shall have an inside width of not less than 12 inches (305 mm), a minimum tread depth of 5 inches (127 mm) and a maximum riser height of 18 inches (457 mm) for the full height of the area well.

Related Code Sections


1030.4.2 Means of Egress, Ladders or Steps
Window wells with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an approved permanently affixed ladder or steps. Ladders ...
Building Code of the Department of Personnel & Administration/Office of the State Architect (DPA/OSA) > 10 Means of Egress > 1030 Emergency Escape and Rescue > 1030.4 Window Wells > 1030.4.2 Ladders or Steps
1030.4.2 Means of Egress, Ladders or Steps
Window wells with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an approved permanently affixed ladder or steps. Ladders ...
Fire Code 2018 of Colorado > 10 Means of Egress > 1030 Emergency Escape and Rescue > 1030.4 Window Wells > 1030.4.2 Ladders or Steps
1030.5.2 Means of Egress, Ladders or Steps
Window wells with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an approved permanently affixed ladder or steps. Ladders ...
Building Code of the Department of Personnel & Administration/Office of the State Architect (DPA/OSA) > 10 Means of Egress > 1030 Emergency Escape and Rescue > 1030.5 Window Wells > 1030.5.2 Ladders or Steps
1031.5.2 Means of Egress, Ladders or Steps
Area wells with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an approved permanently affixed ladder or steps. The ...
Building Code 2021 of Colorado > 10 Means of Egress > 1031 Emergency Escape and Rescue > 1031.5 Area Wells > 1031.5.2 Ladders or Steps
1031.5.2 Means of Egress, Ladders or Steps
Area wells with a vertical depth of more than 44 inches (1118 mm) shall be equipped with an approved permanently affixed ladder or steps. The ...
Fire Code 2021 of Colorado > 10 Means of Egress > 1031 Emergency Escape and Rescue > 1031.5 Area Wells > 1031.5.2 Ladders or Steps
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