11A - 2ND READ ORDINANCE - BUILDING CODES

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Table 313.1 of the plumbing code is amended by adding footnote 2 to the requirements for horizontal piping of all materials specified in Table 313.1 of the California Plumbing Code. SECTION 25: That section 8 -401 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Sec. 8 -401. Building supply pipe (California Plumbing Code Section 610.8 using Table 610.4). Section 610.8 of the Plumbing Code is amended to read as follows: 610.8 Size of meter and building supply pipe using Table 610.4. The size of the meter and the building supply pipe shall be determined as follows: 1. Determine the available pressure at the water meter or other source of supply. 2. Add or subtract depending on positive or negative elevation change,' /2 psi for each foot of difference in elevation between such source of supply and the highest water supply outlet in the building or on the premises. 3. Use the "pressure range" group within which this pressure will fall using Table 610.4. 4. Select the "length" column that is equal to or longer than the required length. 5. Follow down the column to a fixture unit value equal to or greater than the total number of fixture units required by the installation. 6. Having located the proper fixture unit value for the required length, sizes of meter and building supply pipe as found in the two left -hand columns shall be applied. No building supply pipe shall be less than three - quarters (3/4) inch (20 mm) in diameter. Each single family residential structure shall be served with a main water supply pipe of not less than one (1) inch I.D. Two (2) hose bibs served by three - quarter (3/4) I.D. pipe or larger shall be provided; one serving the front yard and one serving the rear yard. SECTION 26: That section 8 -402 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Ordinance No. NS -XXXX 11 A -20 Page 18 of 67