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SANJOAQUIN —COUNTY Enviru.imental Health Department 7. Chemical feeders and associated components shall be constructed and installed to prevent uncontrolled discharge or siphoning of chemicals and fumes directly into the pool, its recirculation system, the pool area or ancillary facilities. 8. A flowmeter must be installed on a horizontal straight run of pipe with a minimum of 10 pipe diameters before and 4 pipe diameters after the flowmeter. It should be positioned after the filter and before the heater. I may be installed after the heater, if a great enough distance can be maintained so that heated water will not damage the flowmeter. Depth markers required at maximum depth, minimum depth, each end, break in slope, on perimeter at increments not exceeding 25 feet. Pool width greater than 20 feet: Slip -resistant depth markers required on edge of deck. Depth markers shall have numerals a minimum of 4 inches in height and of color contrasting with the background, and be marked in units of feet and inches. Abbreviations of FT and IN may be used in lieu of feet and inches; and be slip resistant when they are located on the pool deck. 10. 311013.5 No diving markers. For pool water depths 6 feet (1830 mm) or less no diving markers with the universal symbol of no diving, which is a red circle with a slash through it superimposed over the image of a diver, shall be installed on the deck directly adjacent to the depth markers required by Section 311013.4.1. 11.311213.3 The overhang for either bull -nosed coping or cantilevered decking shall not exceed 2 inches (51 mm) or be less than 1 inch (25 mm) and shall not exceed 2'/z inches (64 mm) in thickness. 12.31166.4.3 The showers must be provided with hot and cold water. A means to limit hot water to 110°F maximum shall be provided to prevent scalding. This temperature limit control shall not be adjustable by the bather. 13. The sump for backwashing the filtration system must be sized to meet the flow. Provide calculations for the sump to this department. 14. 31166.3.1 Showers, toilet and bathroom facilities. Floors shall have a hard, nonabsorbent surface, such as Portland cement concrete, ceramic tile or other approved material, which extends upwards onto the wall at least 5 inches (127 mm) with a coved base. Floors which may be walked on by a wet bather shall be slip resistant. Floors shall be sloped not less than 1/4 inch (6.4mm) per foot to floor drains or other approved surface water disposal areas. Carpeting and other similar artificial floor covering shall not be permitted on shower and toilet room floors. 2 of