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`� Pl/B C L�'O!�/C5 <br /> RAMPS (cont.) <br /> • Surfaces to be stable,firm, and slip resistant and prevent the accumulation of water on walking surfaces. <br /> • Maximum slope 1:12, where the maximum rise for any run is 30 inches, cross slope of 1:48 or less. <br /> • Minimum 44"width measured between handrails. <br /> HANDRAILS <br /> • Provide 34"-38" high handrails at ramp runs greater than 6 inches. <br /> • Handrails to extend at least 12 inches beyond the top and bottom of any ramp run. <br /> • Handrails to be graspable circular shape between 1 '/4 and 2 inches, typical. Other shapes per IBC 1012.3. <br /> • Gripping surFace of handrail to be continuous without interruption by support or other obstructions. <br /> RAMP AND LANDING EDGE PROTECTION <br /> • A curb or barrier is required that prevents passage of a 4-inch sphere below the height of 4 inches for ramps <br /> without railings. When used, railings are required to have one of the following features: <br /> o An intermediate rail mounted 17-19 inches above the ramp or landing surface; <br /> o The surface of the ramp or landing extends 12 inches beyond the inside face of the r ailing. <br /> o Edge protection not required where the ramp rise is no more than 6 inches adjacent to grade, and ramp <br /> meets curb ramp requirements, subject to field inspection. <br /> t2 min 12 min <br /> 305 305 <br /> adJolNng surface,, <br /> maximum slope 20 �2 curb ramp meximum <br /> —,o�_._—^�,1 �- --- sloPe <br /> (a)Fxtended Swface {b)Curb w Barrier F�8•qpg•2 <br /> Counter Slope of Surfacas AdJacent to Curb Ramps <br /> F�a.aos.s <br /> GUARDS Hamp Edge Protectlon — <br /> • Provide 42" high guards for portions of landings or ramp that are 36 min(915� <br /> more than 30 inches above adjacent grade. section aos.� <br /> • Guard openings should not allow a 4 inch sphere to pass, except *aa°�in Public <br /> as noted in IBC section 1013.3. Riynt otway <br /> CURB RAMPS <br /> • Curb ramps (36" minimum width; 48"width in Public R/W)and flared sides <br /> (1:10 maximum slope) should not be obstructed by parked vehicles or project <br /> into parking or parking access aisles. <br /> • Three foot long landings (48" in Public R/W) should be provided at the tops of flared sides i:10 max siope <br /> curb ramps,the full width of the ramp. <br /> o Alternative: flared sides should not exceed 1:12. �ig.aos.3 <br /> Sides of Curb Ramps <br /> For additional information, see City of Evereft Design and Construction Standards online at <br /> http://www.ci:everett wa.us/DocLibrary.aspx?ID=9 650&LibID=22 <br /> ACCESSIBLE ROUTE TO BUILDINGS: BUILDING ENTRY <br /> LANDINGS <br /> • Landing length in the direction of travel of not less than 44 inches; width not less than the door. <br /> • Landing required on each side of door at same elevation. <br /> • Changes in level of greater than %inch should be ramped. ,�, <br /> �!"�/ 6.4 � � �( <br /> 6.4-13 � 1 13 <br /> 1 ��4 <br /> . 6.4 � <br /> (b) �a� <br /> ,,�.... <br /> �3 � �.� <br /> CITY OF EVERETT BUILDING DEPARTMENT 3200 CEL�A ST, EVERETT, WA 98201 425-257-8810 <br /> website: www.everettwa.qov/permit email:everetteas(c�everettwa.pov <br />