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// CODE SNIPPET

406.6.1 Tread and Riser Nonuniformity Permitted

Minnesota Fire Code 2015 > 4 Emergency Planning and Preparedness > 406 Employee Training and Response Procedures > 406.6 Dimensional Uniformity > 406.6.1 Tread and Riser Nonuniformity Permitted
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Treads and risers located in transition areas between adjacent tiered seating elements, parabolic seating configurations or onto or off of tiered seating are not required to be of uniform depth or height where a mid-aisle handrail is provided. The handrail shall meet the requirements of Section 409. Mid-aisle handrails in transition areas shall extend the full length of the transition and a minimum of one tread depth, parallel to the run of the aisle stairs, above and below the uppermost and lowermost riser in the transition. Where extensions of the aisle handrail interfere with adjacent means of egress, the handrail extension shall terminate at the riser.

Related Code Sections


406.6.1 Emergency Planning and Preparedness, Tread and Riser Nonuniformity Permitted
Treads and risers located in transition areas between adjacent tiered seating elements, parabolic seating configurations or onto or off of tiered ...
Minnesota Fire Code 2015 > 4 Emergency Planning and Preparedness > 406 Employee Training and Response Procedures > 406.6 Dimensional Uniformity > 406.6.1 Tread and Riser Nonuniformity Permitted
406.6.1 Egress, Tread and Riser Nonuniformity Permitted
Treads and risers located in transition areas between adjacent tiered seating elements, parabolic seating configurations or onto or off of tiered ...
Minnesota Fire Code 2015 > 4 Egress > 406 Aisle Stairs > 406.6 Dimensional Uniformity > 406.6.1 Tread and Riser Nonuniformity Permitted
406.6.1 Egress, Tread and Riser Nonuniformity Permitted
Treads and risers located in transition areas between adjacent tiered seating elements, parabolic seating configurations or onto or off of tiered ...
Minnesota Building Code 2015 > 4 Egress > 406 Aisle Stairs > 406.6 Dimensional Uniformity > 406.6.1 Tread and Riser Nonuniformity Permitted
1011.5.4 Means of Egress, Dimensional Uniformity
, complying with Section 1011.5, differing from rectangular treads in the same flight of stairs . Nonuniform riser dimension complying with Section ...
2020 Minnesota State Fire Code > 10 Means of Egress > 1011 Stairways > 1011.5 Stair Treads and Risers > 1011.5.4 Dimensional Uniformity
1011.5.4 Means of Egress, Dimensional Uniformity
with Section 1011.5, differing from rectangular treads in the same flight of stairs. Nonuniform riser dimension complying with Section 1011.5.4.1 ...
2020 Minnesota Building Code > 10 Means of Egress > 1011 Stairways > 1011.5 Stair Treads and Risers > 1011.5.4 Dimensional Uniformity
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