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- 302.1 ExteriorWa I ls —Change summary: Reference nce to the InternationalBuild ing Code (I BQ offer <br />additional options and provide flexibility in determining the fire-resMance rating of exterior wall <br />assemblies. Table footnotes have been revised to cllairify the correlation between gable end <br />vents and the fire -resistance requirements for projections. <br />- 302.2 —Townhouse Separation -- Change Summary: Two paths for achieving the fire-resistant <br />separation between townhouse dwelling units —two 1-hour wails or a common wall) — are <br />spelled out in the townhouse provisions, <br />- 302.5 — Dwelling -Garage Opening Protection — Change Summary: An automatic -closing device is <br />now permitted as an alternative to a self -closing device for the door between the garage and <br />dwelling. <br />- 324,6.2.2 — Solar Panels near Emergency Escape and Rescue Openings — Change Summary: <br />Requirements for roof access and pathways for firefighters have been introduced into the lRC <br />provisions for rooftop -mounted photovoltaic solar energy systems. <br />- 1005.8 — Chimney Insulation Shield — Change Summary: Factory -built chimneys, whichhave <br />been required to maintain a minimum clearance to insulation, are now required to have an <br />insulation shield to provide the clearance. <br />Please Note: The Code Changes Listed Above Do Not include All Changes to the Code <br />