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<br />vent piping shall have a weight of not less than that <br />of copper drainage tube Type D.W.V. <br />It' (c) Copper tube for water piping shall have a <br />weight of not less than that of copper water tube <br />Type L. Type M copper tubing may be used for water <br />piping when piping is above ground and' the normal <br />pressure does not exceed 100 pounds and the working <br />temperature does not exceed 210. F. . <br />II I (d) In addition to the required incised marking, <br />all hard drawn copper tubing shall be marked by means <br />of a continuous and indelibly colored stripe at least <br />one quarter inch in width as follows: <br />II 'Type K, green: Type L, blue: Type M, red: <br />Type DWV, yellow. <br />" · (e) No copper tubing shall be used for gas <br />piping. · <br />"section 24.22 Section 302 of the Plumbing Code is <br />amended to read as follows: <br />"'Section 302 All plumbing fixtures, drains, <br />appurtenances and appliances used to receive or dis- <br />charge liquid wastes or sewage shall be connected <br />properly to the drainage system of the building or <br />premises, in accordance with the requirements of this <br />Code. <br /> <br />"'The arrangement of all sewer, soil, waste and <br />drainage pipe lines shall be as direct as possible <br />and grouped at a point not to exceed three feet beyond <br />the wall of the building, or buildings(~nearest, the.:main <br />sewer in the street, alley or easement, and shall have <br />a continuous fall of not less than one-quarter inch <br /> <br />-8- <br /> <br />. <br /> <br />~_. '-.... ,.,,"'::'~1~--'-~--"''l''-'--~~"'-' <br />