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9 <br />- 403.1— Determining Minimum Number of Plumbing Fixtures --Change Summary: The IBC <br />occupancy classifications (A,B,M, etc.) are no longer used to determine which row in Table <br />4011, Minimum Number of Required Plumbing Fixtures, to use for fixture quantities. The <br />actual use of the building or space determines which row in the table to, use. <br />- 403.3 — Required Public Toilet Facilities Exception — Change Summary: Occupancies that <br />have limited areas for public access, Such as dry cleaners, take-out only restaurants and <br />automated teller machine lobbies, do not require public toilet facilities for those limited <br />areas (Public area access of 300 sq. ft., or less). <br />- 504.6 — Temperature and Pressure Relief Discharge Piping— Change Summary: The <br />temperature and pressure relief valve discharge pipe termination must have an air gap <br />suitable to protect the potable water supply distribution system of the building. <br />- 60521 — Lead Content of Components Conveying Drinking Water — Change Summary: The <br />code now has more stringent limitations for lead content in pipe, pipe fittings, joints, valves, <br />faucets and fixture fittings that convey water used for drinking and cooking. <br />1105.2, 1106.2 — Sizing of Roof Drains, Vertical and Horizontal Storm Drain Piping — Change <br />Summary: Testing of many different sizes and configurations of roof drains from a variety of <br />manufacturers indicated that the roof drain assembly is the limiting factor in the design of <br />storm drain systems. Storm drain piping must now be Sized based on the published roof <br />drain flow rate and anticipated poncling at the roof drain., <br />Please Note: The Code Changes Listed Above Do Not Include All Changes to the Code <br />