1511.1 General.
BC § 1511.1
Materials and methods of application used for recovering or replacing an existing roof covering shall comply with the requirements of Chapter 15. Exceptions: 1. Section 1504.9 shall not apply if the area to be recovered or replaced is less than 50 percent of the roof area and less than 500 square feet (46.5 m 2 ).
2.Recovering or replacing an existing roof covering shall not be required to meet the requirement for secondary (emergency overflow) drains or scuppers in Section 1503.4 for roofs that provide for positive roof drainage. For the purposes of this exception, existing secondary drainage or scupper systems required in accordance with this code shall not be removed unless they are replaced by secondary drains or scuppers designed and installed in accordance with Section 1503.4. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2011/021.
