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ORDINANCE NS-2273 Page 9 Be~. 8-341 Horizontal piping (section 314.7). Section 314.7 of the plumbing cOde is amended as follows: 314.7 Horizontal cast-iron drain, waste, and vent piping, and all other suspended horizontal piping two and one-half (2%) inches and larger, shall be supported with approved rod and hangers. Exception: Plumbers tape (perforated strap-iron) may be used to support piping 2" and smaller in type V (wood) construction only. Plumbers tape shall be galvanized and not less than 3/4" wide and 22 gage. SECTION 20: That the Santa Ana Municipal Code is hereby amended by adding a section, to be numbered 8-342, which said section reads as follows: Bee. 8-342 Suspended piping support (Table 3-1). Table 3-1 of the plumbing code is amended by adding footnote 2 to the requirements for horizontal piping of the following materials: Copper Tube and Pipe; Steel and Brass Pipe for Water or DWV; Steel, Brass and Tinned Copper Pipe for Gas; Schedule 40 PVC and ABS DWV; CPVC; and Lead. Code Sec. SECTION 21: That section 8-400 of the Santa Ana Municipal is hereby amended to read as follows: 8-400. Water piping in buildings (Section 609.3.1). Section 609.3.1 of the Uniform Plumbing Code is amended to read as follows: 609.3.1 Non-metallic and ferrous piping shall be prohibited; except that ferrous piping four (4) inches and larger may be used when protected against corrosion and installed in channels, tubes, or in a similar protective manner when approved by the administrative authority. SECTION 22: That section 8-401 of the Santa Ana Municipal Code is hereby amended to read as follows: Sec. 8-401. Building supply pipe (Section 610.8). Section 610.8 of the Uniform Plumbing Code is amended to read as follows: 610.8 Size of meter and building supply pipe using Table 6-4. Knowing the available pressure at the water meter or other 9