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ORDINANCE NS-2273 <br />Page 10 <br /> <br />source of supply and after subtracting one-half (1/2) pound <br />per square inch pressure for each foot of difference in <br />elevation between such source of sUpply and the highest water <br />supply outlet in the building or on the premises, use the <br />"Pressure Range" group within which this pressure will fall. <br />Select the "length" column which is equal to or longer than <br />the required length. Follow down the column to a fixture unit <br />value equal to or greater than the total number of fixture <br />units required by the installation. Having located the proper <br />fixture unit value for the required length, sizes of meter and <br />building supply pipe will be found in the two (2) left-hand <br />columns. <br /> <br />Each single family residential structure shall be served with <br />a main water supply pipe of not less than one (1) inch I.D. <br /> <br />Two (2) hose bibbs served by three-quarter () inch I.D. pipe <br />or larger shall be provided; one (1) serving the front yard <br />and one (1) serving the rear yard. <br /> <br />Code <br /> <br />Sec. <br /> <br />SECTION 23: That section 8-402 of the Santa Ana Municipal <br />is hereby amended to read as follows: <br /> <br />8-402. Building supply pipe (Table 6-4). <br /> <br />Table 6-4 of the Uniform Plumbing Code is amended by changing <br /> <br />the double asterisk footnote to read as follows: <br /> <br /> ** Building Supply--" minimum--l" minimum <br /> family residential structure. <br /> <br />for each single <br /> <br /> SECTION 24: That the Santa Ana Municipal Code is hereby <br />amended by adding a section, to be numbered 8-405, which said <br />section reads as follows: <br /> <br />Sec. 8-405. <br /> <br />Grade, support, and Protection of Building Sewers <br />(Section 718.1). <br /> <br /> Section 718.1 of the Uniform Plumbing Code is amended by <br />adding the following paragraph thereto. <br /> <br /> Building sewer piping systems designed for grades of less than <br /> one percent shall be designed by a registered civil engineer. <br /> The engineer shall be responsible for supervising the instal- <br /> lation and shall certify in writing that the sewer installa- <br /> tion is in compliance with the approved plan, relative to line <br /> and grade. <br /> <br />SECTION 25: That s. ~tion 8-556 of the Santa <br /> 10 <br /> <br />Ana Municipal <br /> <br /> <br />