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SWIMMING POOLS steps, the ladder or steps either shall be capable of being secured, locked or removed to prevent access, or the lad- der or steps shall be surrounded by a barrier which meets the requirements of Sections R410 1.17 .1.1 through R4101.17.1.9 and Sections R4101.17.1.12 through R4101.l7.1.14. When the ladder or steps are secured, locked or removed, any opening created shall not allow the passage of a 4-inch-diameter (102 mm) sphere. R4101.17.1.11 Standard screen enclosures which meet the requirements of Section R4l 0 1.17 may be utilized as part of or all of the "barrier" and shall be considered a "nondwelling" wall. Removable child barriers shall have one end of the barrier nonremovable without the aid of tools. R4101.17.1.12 The barrier must be placed around the perimeter of the pool and must be separate from any fence, wall, or other enclosure surrounding the yard un- less the fence, wall, or other enclosure or portion thereof is situated on the perimeter of the pool, is being used as part of the barrier, and meets the barrier requirements of this section, R4101.17.1.13 Removable child barriers must be placed sufficiently away from the water's edge to prevent a young child or medically frail elderly person who may manage to penetrate the barrier from immediately falling into the water. Sufficiently away from the water's edge shall mean no less than 20 inches (508 mm) from the bar- rier to the water's edge. Dwelling or nondwelling walls including screen enclosures, when used as part or all of the "barrier" and meeting the other barrier requirements, may be as close to the water's edge as permitted by this code. R4101.17.1.14 A wall of a dwelling may serve as part of the barrier if it does not contain any door or window that opens to provide direct access from the home to the swimming pool. R4101.17.1.14.1 Adjacent waterways. Permanent natural or permanent man-made features such as bulkheads, canals, lakes, navigable waterways, etc., adjacent to a public or private swimming pool or spa may be permitted as a barrier when approved by the authority having jurisdiction. When evaluating such barrier features, the authority may perform on-site in- spections and review evidence such as surveys, aerial photographs, water management agency standards and specifications, and any other similar documenta- tion to verify, at a minimum, the following: 1, The barrier feature is not subject to natural changes, deviations, or alterations and is capa- ble of providing an equivalent level of protec- tion as that provided by the code. 2. The barrier feature clearly impedes, prohibits or restricts access to the swimming pool or spa. 41.6 R4101.17.1.15 A mesh safety barrier meeting the re- quirements of Section R4101.17 and thefollowing mini- mum requirements shall be considered a barrier as defined in this section: 1. Individual component vertical support posts shall be capable of resisting a minimum of 52 pounds (229 N) of horizontal force prior to breakage when measured at a 36-inch (914 mm) height above grade. Vertical posts of the child mesh safety bar- rier shall extend a minimum of 3 inches (76 mm) below deck level and shall be spaced no greater than 36 inches (914 mm) apart, 2. The mesh utilized in the barrier shall have a mini- mum tensile strength according to ASTM D 5034 of 100 lbf., and a minimum ball burst strength ac- cording to ASTM D 3787 of 150 lbf. The mesh shall not be capable of deformation such that a 1/4-inch (6.4 mm) round object could pass through the mesh. The mesh shall receive a descriptive performance rating of no less than "trace discoloration" or "slight discoloration" when tested according to ASTM G 53 (Weatherability, 1,200 hours). 3. When using a molding strip to attach the mesh to the vertical posts, this strip shall contain, at a mini- mum, #8 by liz-inch (12.7 mm) screws with amini- mum of two screws at the top and two at the bottom with the remaining screws spaced a maximum of 6 inches (152 mm) apart on center. 4, Patio deck sleeves (vertical post receptacles) placed inside the patio surface shall be of a nonconductive material. 5. A latching device shall attach each barrier section at a height no lower than 45 inches (11 613 mm) above grade. Common latching devices that in- clude, but are not limited to, devices that provide the security equal to or greater than that of a hook and eye type latch incorporating a spring actuated retaining lever (commonly referred to as a safety gate hook). 6. The bottom of the child mesh safety barrier shall not be more than 1 inch (25 mm) above the deck or installed surface(grade). R4101.17.2Indoor swimming pools. All walls surround- ing indoor swimming pools shall comply with Section R4l01.17.1.9. R4101.17.3 Prohibited locations. A barrier may not be lo- cated in a way that allows any permanent structure, equip- ment, or window that opens to provide access from the home to the swimming pool. R4101.18 Ladders and steps. All pools whether public or pri- vate shall be provided with a ladder or steps in the shallow end where water depth exceeds 24 inches (610 mm). In private pools where water depth exceeds 5 feet (1524 mm), there shall FLORIDA BUILDING CODE - RESIDENTIAL