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"Also, single stack drainage and venting systems, with unvented <br /> branch lines aze prohibited." <br /> <br /> (7) Deleting Section 311.6. <br /> Section 311.6 is deleted. <br /> <br /> (8) Amending Section 313.2. Section 313.2 is amended by changing the second sentence <br /> to read: <br /> "No piping shall be directly embedded in concrete or masonry <br /> unless provisions aze made to protect the piping from damage <br /> resulting from expansion, contraction and structural settlement." <br /> <br /> (9) Amending Section 313.4. Section 313.4 is amended to read: <br /> "313.4. No building sewer or other drainage piping or part thereof, <br /> constructed of materials other than those approved for use under or <br /> within a building, shall be installed under or within five (5) feet <br /> (1.5 m) of any building or structure or less than one (1) foot (.3 m) <br /> below the surface of the ground or as approved by the <br /> administrative authority." <br /> (10) Deleting Section 314.8. <br /> Section 314.8 is deleted. (See Table 3-2, which requires only one <br /> support within eighteen inches of the joint.) <br /> (11) Adding Section 314.9. Section 314.9 is added to read: <br /> "314.9. Seismic Supports. Where earthquake loads are <br /> applicable in accordance with the building code, plumbing piping <br /> supports shall be designed and installed for the seismic forces in <br /> accordance with the building code." <br /> (12) Deleting Sections 318.0 and 319.0. <br /> Sections 318.0 and 319.0 are deleted. (The requirements of <br /> Section 318 aze covered in DOH Chapter 12, Food Establishment <br /> Sanitation 11-12-21.) <br /> (13) Amending Section 402.1. Section 402.1 is amended by adding to the end of the <br /> sentence: <br /> "but shall not exceed the requirements of Section 402.3: ' <br /> 14 <br /> <br />