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- 602.4-- Type IV Member Size Equivalencies — Change Summary: Equivalent size dimensions for <br />structural composite lumber (SCL) in relationship to solid -sawn Type IV heavy -timber members <br />have been introduced into Table 6014. <br />602.4.2 — Cross -Laminated Timber in Exterior Walls — Change Summary: Cross -laminated timber <br />is now permitted within the exterior walls of Type IV buildings where protected by one of thiree <br />specified materials. 1. Fire retardant -treated wood sheathing complying with Section 230,2.2 <br />and not less than 15/32 (12 mm) thick 2. Gypsum board not less than Y2 inch (12.7 mrn) thick <br />3. Noncombustible material <br />907.2,11.3 & 907.2.11.4 — Smoke alarm installation near Cooking Appliances and Bathrooms — <br />Change Summary: Requirements from the NFPA 72 standard addressing the installation of <br />smoke, alarms near cooking appliances and bathrooms have been introduced to the IBC in order <br />to provide direct guidance on the placement of smoke alarms <br />101019 — Door Operations -Locking Systems — Change Summary: Numerous revisions <br />throughout the locking provisions now help clarify requirements and their applications through <br />the use of consistent terminology. <br />1011,16— Ladders — Change Summary: Locations where ladders can be used for access have <br />now been identified and permanent ladders must follow the construction requirements from <br />the International Mechanical Code (I MC). <br />311.1.1 — Classification of Accessory Storage Spaces — Change Summary: Regardless of size, <br />storage rooms and storage spaces that are accessory to other uses are to be classified as part of <br />the occupancy to which they are accessory, <br />- 1607,1 — Deck Live Load — Change SUrnmary: Table 1607.1 is now consistent with provisions in <br />the 2010 and 2016 editions of ASCE 7 for minimum uniformly distributed live loads on decks and <br />balconies by increasing the deck live load to one aind one-half times the live load of the area <br />served, <br />1609 —Wind Loads .-- Change Summary: Section 1609 now has updated wind speed maps, <br />including maps for the state of Hawaii. Terminology for describing wind speeds, has been <br />changed again, with the ultimate design wind speeds now called basic design wind speed. <br />Please Note: The Code Changes Listed Above Do Not Iniclude All Changes to the Code <br />