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1101.8 Cleanouts required. Cleanouts or manholes shall be installed in the building storm drainage <br />system and shall comply with the provisions of this code for sanitary drainage pipe cleanouts. <br />Section 1106. 1, General, shall be amended to read as follows: <br />1106.1 General. The size of the vertical conductors and leaders, building storm drains, building storm <br />sewers, and any horizontal branches of such drains or sewers shall be based on six (6) inches per hour <br />the 100 year hewFl rainfall rate inrlina }°r! in Figure 1106.1 pr tan eth er rainfall rates determiner! fro-RA <br />appr-OV9d 10Gal weather data. <br />Section 1108.3, Sizing of secondary drains, shall be amended to read as follows: <br />1108.3 Sizing of secondary drains. Secondary (emergency) roof drain systems shall be sized in <br />accordance with Section 1106 t9A the r '^fall rate fpr `"'hinh the primary system io Sized in Fog .re <br />. Scuppers shall be sized to <br />prevent the depth of ponding water from exceeding that for which the roof was designed as determined by <br />Section 1101.7. Scuppers shall not have an opening dimension of less than 4 inches (102 mm). The flow <br />through the primary system shall not be considered when sizing the secondary roof drain system. <br />Section 1109, COMBINED SANITARYAND STORM PUBLIC SEWER, shall be deleted in its entirety. <br />Section 1202. 1, Nonflammable medical gases, shall be amended to read as follows: <br />1202.1 Nonflammable medical gases. Nonflammable medical gases systems, inhalation anesthetic <br />systems and vacuum piping systems shall be designed and installed in accordance with NFPA 99. <br />END <br />Exceptions: 4-. This section shall not apply to portable systems of cylinder storage. <br />7 Amendments to 2015 IPC <br />