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Amend Section P3111 Combination waste and vent systems; delete this section in its <br />entirety. <br />(Reason: i orrp i fh) w waste tdru,/ ventsystem i not approveii,fbr use in residential <br />Amend Section P3112.2 Vent Connection; delete and replace with the following: <br />P3112.2 Installation. Tra s for island sinks and similar a lui ment shall be rou hed in <br />above the floor and ma be vented b extendin the vent as hi h as_possible but not <br />less than the drainboard hei ht and then returnin it downward and connectin it to <br />the horizontal sink drain immediate) downstream from the vertical fixture drain. <br />The return vent shall be connected to the horizontal drain through a we -branch <br />fittiqjgAnd shall in addition be rovided with a foot vent taken off the vertical fixture <br />vent by means of a w e -branch immediate) below the floor and extendin to the <br />nearest artition and then throu h the roof to the o en air or may be connected to <br />other vents ata oint not less than six 6 inches 152 mm above the flood level rim <br />of the fixtures served. Draina a fittings shall be used on all arts of the vent below <br />the floor level and a minimum slo a ofone uarter inch ier foot 20.9 mm <br />back to the drain shall be maintained. The return bend used under the drain -board <br />shall be a one 1 iece fitting, or an assembl of a fort -five 45 de ree 0.79 radius), <br />a ninety 90de ree 1.6 radius and afort-fs�ive 45 de ree 0.79 radius elbow in <br />the order named. Pi a sizin shall be as elsewhere re uired in this Code. The island <br />sink drain u stream of the return vent shall serve no other fixtures. An accessible <br />cleanout shall be installed in the vertical portion of the foot vent. <br />(Reason: To clury),, the installation o,f iskvpd venting and to provide a regionid guideline orp <br />END 2024 IRC AMENDMENTS <br />