Laserfiche WebLink
V 190 A117.1-2009 Cha_General Site and Building Elements <br /> 017, 2. Handrail extensions are not required in aisles 12 min <br /> r- serving seating where the handrails are dis- 305 <br /> continuous to provide access to seating and to <br /> permit crossovers within the aisle. <br /> r __ <br /> 3. In alterations, full extensions of handrails shall <br /> not be required where such extensions would <br /> be hazardous due to plan configuration. <br /> 505.10.1 Top and Bottom Extension at Ramps. _ <br /> Ramp handrails shall extend horizontally above the <br /> landing 12 inches(305 mm) minimum beyond the top <br /> II <br /> and bottom of ramp runs. Extensions shall return to a <br /> wall, guard, or floor, or shall be continuous to the <br /> handrail of an adjacent ramp run. <br /> 50510.2 Top Extension at Stairs. At the top of a <br /> stair flight, handrails shall extend horizontally above <br /> the landing for 12 inches (305 mm) minimum begin- <br /> ning directly above the landing nosing. Extensions <br /> shall return to a wall, guard, or the landing surface, or <br /> shall be continuous to the handrail of an adjacent FIG.505.10.2 <br /> stair flight. TOP HANDRAIL EXTENSIONS AT STAIRS <br /> 4—61/4 perimeter <br /> .'• 100—160 <br /> 11/4-2 21/4max <br /> '32-51 57 <br /> : 4 <br /> , 1[ <br /> L, <br /> (a) (b) (c) <br /> Circular Noncircular <br /> FIG.505.7 <br /> HANDRAIL CROSS SECTION <br /> 12 min <br /> 305 <br /> 12 min y y <br /> / 305 'I <br /> 1 <br /> is IA <br /> s j-- <br /> FIG.505.10.1 lr CJs <br /> TOP AND BOTTOM HANDRAIL EXTENSIONS AT RAMPS <br /> i ,ti <br />