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[P] 1502.2 Secondary (Emergency Overflow) Drains or Scuppers
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Where roof drains are required, secondary (emergency overflow) roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason. The installation and sizing of secondary emergency overflow drains, leaders and conductors shall comply with Sections 1106 and 1108, as applicable, of the International Plumbing Code.
Related Code Sections
1502.2 Roof Assemblies and Rooftop Structures, Secondary (Emergency Overflow) Drains or Scuppers
Where roof drains are required, secondary (emergency overflow) roof drains or scuppers shall be provided where the roof perimeter construction ...
Building Code 2018 of Illinois > 15 Roof Assemblies and Rooftop Structures > 1502 Roof Drainage > 1502.2 Secondary (Emergency Overflow) Drains or Scuppers
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