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SWIMMING POOLS R4101.7.1 Strainer. Pool circulating pumps shall be equipped on the inlet side with an approved type hair and lint strainer when used with a pressure filter. R4101.7.2 Installation. Pumps shall be installed in accor- dance with manufacturer recommendations. R4101.7~3 Capacity. Pumps shall have design capacity at the following heads. 1. Pressure Diatomaceous Earth-At least 60 feet (18 288 mm). 2. Vacuum Diatomaceous Earth-20-inch (508 mm) vac- uum on the suction side and 40- foot (12 192 mm) total head. 3. Rapid Sand-At least 45 feet (13 716 mm). 4. High Rate Sand-At least 60-feet (18288 mm), R4101.7.4 Materials. Pump impellers, shafts, wear rings and other working parts shall be of corrosion-resistant mate- rials. R4101.8 Valves. R4101.8.1 General. Valves shall be made of materials that are approved in the Florida Building Code, Plumbing. Valves located under concrete slabs shall be set in a pit hav- ing a least dimension of five pipe diameters with a minimum of at least 10 inches (254 mm) and fitted with a suitable cover. All valves shall be located where they will be readily accessible for maintenance and removal, R4101.8.2 Full-way (gate) valves. Full-way valves shall be installed to insure proper functioning of the filtration and piping system. When the pump is located below the over- flow rim of the pool, a valve shall be installed on the dis- charge outlet and the suction line. R4101.8.3 Check valves. Where check valves are installed they shall be of the swing, spring or vertical check patterns. R4101.8.4 Combination valves. Combination valves shall require approval of the administrative authority prior to their installation. R4101.9 Water supply. Unless an approved type of filling sys- tem is installed, any water supply which in the judgment of the administrative authority may be used to fill the pool, shall be equipped with backflow protection. No over the rim fill spout shall be accepted unless located under a diving board, or prop- erly guarded. R4101.10 Waste water disposal. R4101.10.1 Connection limitations. Direct or indirect connections shall not be made between any storm drain, sewer, drainage system, seepage pit underground leaching pit, or subsoil drainage line, and any line connected to a swimming pool unless approved by the administrative au- thority. R4101.10.2 Disposal through public sewer. When the waste water from a swimming pool is to be disposed of through a public sewer, a 3-inch (76 nun) P-trap shall be in- stalled on the lower terminus of the building drain and the tall piece from the trap shall extend a minimum of 3-inches (76 nun) above finished grade and below finished floor grade. This trap need not be vented, The connection be- 41.4 tween the filter waste discharge piping and the P-trap shall be made by means of an indirect connection. R4101.10.3 Deviations. Plans and specifications for any deviation from the above manner of installation shall first be approved by the administrative authority before any portion of any such system is installed. When waste water disposal is to seepage pit installation, it shall be installed in accor- dance with the approval granted by the administrative au- thority. R4101.1l Separation tank. A separation tank of an approved type may be used in lieu of the aforementioned means of waste water disposal when connected as a reclamation system. R4101.12 Tests. R4101.12.1 Pressure test. All pool piping shall be tested and proved tight to the satisfaction of the administrative au- thority, under a static water or air pressure test of not less than 35 pounds per square inch (psi) (241 kPa) for 15 min- utes. Exception: Circulating pumps need not be tested as re- quired in this section. R4101.12.2 Drain and waste piping. All drain and waste piping shall be tested by filling with water to the point of overflow and all joints shall be tight. R4101.13 Drain piping. R4101.13.1 Slope to discharge. Drain piping serving grav- ity overflow gutter drains and deck drains shall be installed to provide continuous grade to point of discharge. R4101.13.2 Joints and connections. Joints and connec- tions shall be made as required by the Florida Building Code, Plumbing. R4101.14 Water heating equipment. R4101.14.1 Labels. Swimming pool water heating equip- ment shall conform to the design, construction and installa- tion requirements in accordance with accepted engineering practices and shall bear the label of a recognized testing agency, and shall include a consideration of combustion air, venting and gas supply requirements for water heaters. R4101.14.2 Water retention. If a heater is not equipped or designed for an approved permanent bypass or antisiphon device, an approved permanent bypass or anti siphon device shall be installed to provide a positive means of retaining water in the heater when the pump is not in operation. R4101.14.3 Pit drainage. When the heater is installed in a pit, the pit shall be provided with approved drainage facili- ties. R4101.14.4 Connections. All water heating equipment shall be installed with flanges or union connection adjacent to the heater. R4101.14.5 Relief valve. When water heating equipment which is installed in a closed system has a valve between the appliance and the pool, a pressure relief valve shall be in- stalled on the discharge side of the water heating equipment. 1- For units up to and including 200,000 Btulhour input, the re- lief valve shall be rated by the American Gas Association. FLORIDA BUILDING CODE - RESIDENTIAL