// CODE SNIPPET
405.4.2 Smoke Barrier Penetration
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The compartments shall be separated from each other by a smoke barrier in accordance with Section 709. Penetrations between the two compartments shall be limited to plumbing and electrical piping and conduit that are firestopped in accordance with Section 714. Doorways shall be protected by fire door assemblies that comply with Section 716, automatic-closing by smoke detection in accordance with Section 7184.108.40.206 and installed in accordance with NFPA 105 and Section 7220.127.116.11. Where provided, each compartment shall have an air supply and an exhaust system independent of the other compartments.