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// CODE SNIPPET

[BG] 1510.5.1 Noncombustible Construction Required

Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1510 Rooftop Structures > 1510.5 Towers, Spires, Domes and Cupolas > 1510.5.1 Noncombustible Construction Required
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Towers, spires, domes and cupolas greater than 60 feet (18 288 mm) in height above the highest point at which such structure contacts the roof as measured to the highest point on such structure, or that exceeds 200 square feet (18.6 m2) in area at any horizontal section, or which is intended to be used for any purpose other than a belfry or architectural embellishment, or is located on the top of a building greater than 50 feet (15 240 mm) in building height shall be constructed of and supported by noncombustible materials and shall be separated from the building below by construction having a fire-resistance rating of not less than 1.5 hours with openings protected in accordance with Section 711. Such structures located on the top of a building greater than 50 feet (15 240 mm) in building height shall be supported by noncombustible construction.

Related Code Sections


1510.5.1 Roof Assemblies and Rooftop Structures, Noncombustible Construction Required
) in building height shall be constructed of and supported by noncombustible materials and shall be separated from the building below by construction ...
Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1510 Rooftop Structures > 1510.5 Towers, Spires, Domes and Cupolas > 1510.5.1 Noncombustible Construction Required
1511.5.1 Roof Assemblies and Rooftop Structures, Noncombustible Construction Required
) in building height shall be constructed of and supported by noncombustible materials and shall be separated from the building below by construction ...
Building Code 2021 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1511 Rooftop Structures > 1511.5 Towers, Spires, Domes and Cupolas > 1511.5.1 Noncombustible Construction Required
9.3.4.2.1 Sprinkler Location Requirements,
In noncombustible stair shafts having noncombustible stairs with noncombustible or limited-combustible finishes, sprinklers shall be installed ...
Standard for the Installation of Sprinkler Systems 2019 of Illinois > 9 Sprinkler Location Requirements > 9.3 Special Situations > 9.3.4 Stairways > 9.3.4.2 Noncombustible Construction > 9.3.4.2.1
1511.7.5 Roof Assemblies and Rooftop Structures, Flagpoles
Flagpoles and similar structures shall not be required to be constructed of noncombustible materials and shall not be limited in height or number ...
Building Code 2021 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1511 Rooftop Structures > 1511.7 Other Rooftop Structures > 1511.7.5 Flagpoles
3106.5 Special Construction, Construction
A marquee shall be supported entirely from the building and constructed of noncombustible materials. Marquees shall be designed as required ...
Building Code 2021 of Illinois > 31 Special Construction > 3106 Marquees > 3106.5 Construction
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