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11. <br /> <br />12. <br /> <br />13. <br /> <br />14. <br /> <br />15. <br /> <br />(See diagram Exhibit A.2). <br /> <br />Section 807.4 is amended by the addition of a new Section 807.4(a) <br />to read as follows: <br /> No domestic dishwashing machine shall be directly connected to a <br /> drainage system or food waste disposer without the use of an <br /> approved dishwasher airgap fitting on the discharge side of the <br /> dishwashing machine. Listed airgaps shall be installed with the <br /> flood level (FL) marking at or above the flood level of the sink or <br /> drainboard, whichever is higher, or separately trapped with the <br /> airgap located on the stand pipe (See diagram Exhibit A.3). <br /> <br />Section 911.0 is amended by the addition of a new Section, to read <br />as follows: <br /> <br />Section 911.1. Single bathroom groups-a single bathroom group of <br />fixtures may be installed with the drain from an individually vented <br />lavatory or lavatories serving as a wet vent for a bathtub, shower <br />compartment, or floor drain and for a water closet provided the <br />requirements listed below are met: <br /> <br />Section 911.1(a). Not more than four fixture units drain into a <br />minimum 2 inch diameter wet vent. Kitchen sinks, dishwashers, or <br />automatic clothes washer connections are not permitted. <br /> <br />Section 911.1 (b). The horizontal branch drain connects to the stack <br />at the same level as the water closet drain; or it may connect to the <br />upper half of the horizontal portion of the water closet bend at an <br />angle not greater than 45 degrees from the direction of flow. <br /> <br />Section 911.1(c). Trap arm sizes and lengths shall conform to <br />tables 7.3, 7.5 and 10.1 (See diagram Exhibit A.4). <br /> <br />Section 1009.0-1009.7 is amended by the adoption of an <br />illustrative diagram for the minimum requirements for grease trap, <br />grease interceptor, oil or sand trap (See diagram Exhibit A.5). <br /> <br />Section 1015.0 is amended by the addition of the following <br />exception, to read as follows: <br /> <br />Section 1015 Exception: Special regulation s by the Public Works <br />Department may supersede this requirement. <br /> <br />Appendix H 106.3 is amended by the addition of a new Section to <br /> <br />6 <br /> <br /> <br />