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New buildings four or more stories above grade plane, except those with a roof slope greater than four units vertical in 12 units horizontal (33.3-percent slope), shall be provided with a stairway to the roof. Stairway access to the roof shall be in accordance with Section 1011.12. Such stairway shall be marked at street and floor levels with a sign indicating that the stairway continues to the roof. Where roofs are used for landscaped roofs or for other purposes, stairways shall be provided as required for such occupancy classification.

Related Code Sections

504.3 Fire Service Features, Stairway Access to Roof
-percent slope), shall be provided with a stairway to the roof. Stairway access to the roof shall be in accordance with Section 1011.12. Such stairway ...
504.3 Fire Service Features, Stairway Access to Roof
-percent slope), shall be provided with a stairway to the roof. Stairway access to the roof shall be in accordance with Section 1011.12. Such stairway ...
1011.12 Means of Egress, Stairway to Roof
Where a stairway is provided to a roof, access to the roof shall be provided through a penthouse complying with Section 1510.2 ...
1011.12 Means of Egress, Stairway to Roof
Where a stairway is provided to a roof, access to the roof shall be provided through a penthouse complying with Section 1511.2 ...
1011.12 Means of Egress, Stairway to Roof
Where a stairway is provided to a roof, access to the roof shall be provided through a penthouse complying with Section 1510.2 ...