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surrounded by a barrier which. meets the requirements of Sections R4501.17:1:1 through R4501.17:1.9 and Sections R4.501.17.1.12 through R4501.17.1..14:When the ladder or steps are secured, locked or removed, any opening created shall not allow the passage:of a flinch-diameter (102 mm) sphere. R4501:17.1.11 Standard screen enclosures which meet the requirements of Section R4501.17 may be utilized as Part of or alt 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: R4501.17:1.12 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 unless 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. R4501.17:1..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 (50.8 min) from the barrier 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: R4501:17::1.14 A wall of a dwelling may serve as part of the barrier if it does not contain anydoor or window that opens to provide direot access from the home to the swimming pool: R450:1.17.1:15 A mesh safety barrier meeting the requirements of Section R4501:17 and the following minimum requirements shall be considered a barrier as defined in this section: 1. 1.1ndividual component vertical, support posts shall be capable of resisting,a minimum of 52 pounds(-?9 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. barrier 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: 2.The mesh utilized in the barrier shall have a minimum tensile.strength according to ASTM D5034 of 100 pounds per foot, and a minimum. ball,.burst strength_ according to ASTM D3787 of:150 pounds per.foot:The mesh shall not be capable of deformation such that a I.=inch (6:4 men) 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 G53(Weatherability, 1,200 hours). 3. 3,When using.a molding strip to attach.the mesh to the vertical posts, this,strip shall contain,:at a minimum, #8 by'L::inch(12.7 mm)screws with a minimum of two screws atthe top-and two at the bottom with the remaining screws spaced.a maximum of 6 inches.(152 mm).apart on center. 4. 4-Patio. deck sleeves (vertical post receptacles) placed inside the patio surface shall be of a nonconductive material. 5. 5.A latching-device,shall attach each barrier section at a height no lower than 45 inches_(11 61:3 men) above grade: Common latching devices that include-, :but are .not limited to; devices that provide the security:equa to or,great er than t.at of a oo =an -eye-type latch incorporating a spring actuated retaining lever(commonly referred to as a safety gate hook). 6. 6:The bottom.of the child mesh safety barrier shall not be more than 1 inch (25 men) above the deck or installed surface (grade).