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// CODE SNIPPET

[BS] 706.3.2 Roof Diaphragms Resisting Wind Loads in High-Wind Regions

Existing Building Code 2018 of Illinois > 7 Alterations—Level 1 > 706 Structural > 706.3 Additional Requirements for Reroof Permits > 706.3.2 Roof Diaphragms Resisting Wind Loads in High-Wind Regions
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Where roofing materials are removed from more than 50 percent of the roof diaphragm or section of a building located where the ultimate design wind speed, Vult, determined in accordance with Figure 1609.3(1) of the International Building Code, is greater than 115 mph (51 m/s) or in a special wind region, as defined in Section 1609 of the International Building Code, roof diaphragms, connections of the roof diaphragm to roof framing members, and roof-to-wall connections shall be evaluated for the wind loads specified in the International Building Code, including wind uplift. If the diaphragms and connections in their current condition are not capable of resisting 75 percent of those wind loads, they shall be replaced or strengthened in accordance with the loads specified in the International Building Code.

Related Code Sections


706.3.2 Alterations—Level 1, Roof Diaphragms Resisting Wind Loads in High-Wind Regions
wind region, as defined in Section 1609 of the International Building Code , roof diaphragms, connections of the roof diaphragm to roof framing members ...
Existing Building Code 2018 of Illinois > 7 Alterations—Level 1 > 706 Structural > 706.3 Additional Requirements for Reroof Permits > 706.3.2 Roof Diaphragms Resisting Wind Loads in High-Wind Regions
503.12 Prescriptive Compliance Method, Roof Diaphragms Resisting Wind Loads in High-Wind Regions
diaphragms, connections of the roof diaphragm to roof framing members, and roof-to-wall connections shall be evaluated for the wind loads specified ...
Existing Building Code 2018 of Illinois > 5 Prescriptive Compliance Method > 503 Alterations > 503.12 Roof Diaphragms Resisting Wind Loads in High-Wind Regions
Section 1609 Structural Design, Wind Loads
shingles installed over a roof deck complying with Section 1609.5.1 shall comply with the wind-resistance requirements of Section 1504.1.1 ...
Building Code 2018 of Illinois > 16 Structural Design > 1609 Wind Loads
1705.11.3 Special Inspections and Tests, Wind-Resisting Components
connections. Exterior wall covering and wall connections to roof and floor diaphragms and framing ...
Building Code 2018 of Illinois > 17 Special Inspections and Tests > 1705 Required Special Inspections and Tests > 1705.11 Special Inspections for Wind Resistance > 1705.11.3 Wind-Resisting Components
1507.18.7 Roof Assemblies and Rooftop Structures, Wind Resistance
BIPV roof panels shall be tested in accordance with UL 1897. BIPV roof panel packaging shall bear a label to indicate compliance with UL 1897 ...
Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1507 Requirements for Roof Coverings > 1507.18 Building-Integrated Photovoltaic Roof Panels > 1507.18.7 Wind Resistance
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