Agenda - Council - 08/28/2018 - Laserfiche WebLink

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Advisory R304.2.1 Perpendicular Curb Ramps. Detectable warnings are intended to provide a tactile equivalent underfoot of the visible curbline; those placed too far from the street edge because of a large curb radius may compromise effective crossing analysis. R304.2.2 Landings and Blended Transitions. The detectable warning shall be located on the landing or blended transition at the back of curb. R304.2.3 Alignment. The rows of truncated domes in a detectable warning surface shall be aligned to be perpendicular or radial to the grade break between the ramp, landing, or blended transition and the street. Advisory R304.2.3 Alignment. Where a ramp, landing, or blended transition provides access to the street continuously around a corner, the vertical rows of truncated domes in a detectable warning surface should be aligned to be perpendicular or radial to the grade break between the ramp and the street. for a 1.2 meter -wide (4.0. ft) width. for each crosswalk served. R304.2.3 Rail Crossings. The detectable warning surface shall be located so that the edge nearest the rail crossing is 1.8 m (6 ft) minimum and 4.6 m (15 ft) maximum from the centerline of the nearest rail. The rows of truncated domes in a detectable warning surface shall be aligned to be parallel with the direction of wheelchair travel. R305 Pedestrian Crossings R305.1 General. Pedestrian crossings shall comply with R305. R305.2 Crosswalks. Crosswalks shall comply with R305.2 and shall contain a pedestrian access route that connects to departure and arrival walkways through any median or pedestrian refuge island. R305.2.1 Width. Marked crosswalks shall be 1.8 m (6 ft) wide minimum. R305.2.2 Cross Slope. R305.2.2.1 Crossings with Stop Control. The cross slope shall be 2 percent maximum. R305.2.2.2 Crossings without Stop Control. The cross slope shall be 5 percent maximum. 38