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I I BUILDfrfG SHAll COMPLY wrm ALL APPLiCABLE cr:v OF ZEPHYRHlLLS O~D(NANCE. 11-4.8.3 Clear Width. The minimum clear width of a ramp shall be 36 jnches (915 mm). 11-4.8.4 La dings. Ramps shall have level landings at bot- tom and top of each ramp and each ramp run, Landings shall have the fol owing features: (1) The 1 nding shall beat least as wide as the tamp run lead' g to it. (3) Ifra ps change direction at landings, the minimum landi g size shall be 60 inches by 60 inches (1525 mm b 1525 mm). (4) If a d orway is located at a landing, then the area in front of the doorway shall comply with Section 11-4. 3.6. 11-4.8.5 Ha draUs. If a ramp run has a rise greater than 6 inches (150 ) or a horizontal projection greater than 72 inches (183 mm), then it shall have handrails on both sides. Handrails ar not required on curb ramps or adj acent to seat- ing in assem ly areas. Handrails shall comply with Section 11-4.26 and hall have the following features: (1) Hand ils shall be provided along both sides oframp segm nts. The inside handrail on switchback or dog- leg ra ps shall always be continuous. (3) The c ear space between the handrail and the wall shall e 11/1 inches (38 mm), (4) Gripp' . g surfaces shall be continuous. (5) Top 0 handrail gripping surfaces shall be mounted betwe n 34 inches and 38 inches (865 mm and 965 mm) a ove ramp surraces. (6) Ends handrails shall be either rounded or returned smoot ly to floor, wall, or post. (7) Handr ils shall not rotate within their fittings. 11-4.8.6 Cro s slope and surfaces. The cross slope of ramp surfaces shal be no greater than 1 :50. Ramp surfaces shall comply with ection 11-4.5. 11-4.8.7 Ed e protection. Ramps and landings with drop-offs sha 1 have curbs, walls, railings, or proj ecting sur- faces that pre ent people from slipping off the ramp. Curbs shall be a mi imam of 2 inches (50 mm) high (see Figure 11-17). 11-4.8.8 Out oor conditions. Outdoor ramps and their ap- proaches shal be designed so that water will not on walking Sl rfaces. ' 11-4.9 Stairs. ltEVrgW DATE: 11.26 BLfj; ",;., SHAL~:. COMPLY;'ITH All.'-IJ'yUCABLt. BUILDIN , ELECTR\(:.o\L, PLU~ING AND fviECH I\..NIC:t."L CODES 11-4.9.1 Minimum number. Stairs required to be accessi- ble by Section 11-4.1 shall comply with Sectionl1-4.9. 11-4.9.2 Treads and risers. On any given flight of stairs, all steps shall have uniform riser heights and uniform tread widths. Stair treads shall be no less than 11 inches (280 mm) wide, measured from riser to riser [see Figure 11-18(a)]. Open risers are not permitted. 11-4.9.3 Nosings. The undersides of nosing shall not be abrupt. The radius of curvature at the leading edge of the tread shall be no greater than 111 inch (13 mm). Risers shall be sloped or the underside of the riosing shall have an angle not less than 60 degrees from the horizontal. Nosing shall projectnomorethan 1 '/1 inches (38 mm)(seeFigure 11-18). 11-4.9.4 Handrails. Stairways shall have handrails at both sides of all stairs. Handrails shall comply with Section 11-4.26 and shall have the following features: (1) Handrails shall be continuous along both sides of stairs. The inside handrail on switchback ordogleg stairs shall always be continuous [see Figure 11~ 19(a) and Figure 11-19(b)]. (2) If handrails are not continuous, they shall extend at least 12 inches (305 mm) beyond the top riser and at least 12 inches (305 mm) plus the width of one tread beyond the bottom riser. At the top, the extension shall be parallel with the floor or ground surface. At the bottom, the handrail shall continue to slope for a distance of the width of one tread from the bottom riser; the remainder of the extension shall be horizon- tal [see Figure ll-19(c) and Figure 11-19(d)]. Hand- rail extensions shall comply with Section 11-4.4. (3) The clear space between handrails and wall shall be 1111 inches (38 mm). (4) Gripping surfaces shall be uninterrupted by newel posts, other construction elements, or obstructions. (5) Top of handrail gripping surface shall be mounted be- tween 34 inches and 3 8 inches (865 mm and 965 mm) above stair nosing. (6) Ends of handrails shall be either rounded or returned smoothly to floor, wall or post. (7) Handrails shall not rotate within their fittings. 11-4.9.5 Detectable warnings at stairs. Reserved. 11-4.9.6 Outdoor conditions. Outdoor stairs and their ap- proaches shall be designed so that water will not accumulate on walking surfaces, 11-4.10 Elevators. 11-4.10.1 General. Accessible elevators shall be on an ac- cessible route and shall comply with Section 11-4.10 and with the ASME A 17 .1-1990, Safety Code for Elevators and Escalators. Freight elevators shall not be considered as meeting the requirements of this section unless the only ele- vators provided are used as combination passenger and freight elevators for the public and employees, 11-4.10.2 Automatic' operation. Elevator operation shall be automatic. Each car shall be equipped with a self-level- ing feature that will automatically bring the car to floor land- FLORIDA BUILDING CODE - BUILDING