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1104.16 Fire Escape Stairs
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Fire escape stairs shall comply with Sections 1104.16.1 through 1104.16.7.
|FEATURE||SERVING MORE THAN |
|SERVING 10 OR |
|Minimum Width||22 inches||18 inches|
|Maximum Height |
|9 inches||12 inches|
|Minimum Tread |
|9 inches||6 inches|
Access to a fire escape from a corridor shall not be through an intervening room. Access to a fire escape stair shall be from a door or window meeting the criteria of Section 1005.3.2. Access to a fire escape stair shall be directly to a balcony, landing, or platform. These shall be no higher than the floor or windowsill level and no lower than 8 inches (203 mm) below the floor level or 18 inches (457 mm) below the windowsill.
Components of fire escape stairs shall be constructed of noncombustible materials. Fire escape stairs and balconies shall support the dead load plus a live load of not less than 100 pounds per square foot (4.78 kN/m2). Fire escape stairs and balconies shall be provided with a top and intermediate handrail on each side. The fire code official is authorized to require testing or other satisfactory evidence that an existing fire escape stair meets the requirements of this section.
The lowest balcony shall not be more than 18 feet (5486 mm) from the ground. Fire escape stairs shall extend to the ground or be provided with counterbalanced stairs reaching the ground. For fire escape stairs serving ten or fewer occupants, an approved fire escape ladder is allowed to serve as the termination for fire escape stairs.
Fire escapes shall be kept clear and unobstructed at all times and shall be maintained in good working order.
Related Code Sections
1104.16 Construction Requirements for Existing Buildings, Fire Escape Stairs
Fire escape stairs shall comply with Sections 1104.16.1 through 1104.16.7. TABLE 1104.16 DIMENSIONS FOR EXISTING FIRE ESCAPE STAIRS ...
Minnesota Fire Code 2015 > 11 Construction Requirements for Existing Buildings > 1104 Means of Egress for Existing Buildings > 1104.16 Fire Escape Stairs