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

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Measurement Range Dot base diameter Distance between two dots in the same cell' Distance between corresponding dots in adjacent cells' Dot height Distance between corresponding dots from one cell directly below' 1. Measured center to center. minimum and 4 times the raised character stroke width maximum at the base of the cross sections, and 3.2 mm (0.125 in) minimum and 4 times the raised character stroke width maximum at the top of the cross sections. Characters shall be separated from raised borders and decorative elements 9.5 mm (.375 in) minimum. R409.2.8 Line Spacing. Spacing between the baselines of separate lines of raised characters within a message shall be 135 percent minimum and 170 percent maximum of the raised character height. R409.3 Braille. Braille shall be contracted (Grade 2) and shall comply with R409.3 and R409.4. R409.3.1 Dimensions and Capitalization. Braille dots shall have a domed or rounded shape and shall comply with Table R409.3.1. The indication of an uppercase letter or letters shall only be used before the first word of sentences, proper nouns and names, individual letters of the alphabet, initials, and acronyms. R409.3.1 Braille Dimensions Minimum in Millimeters Maximum in Millimeters 1.5 mm (0.059 in) to 1.6 mm (0.063 in) 2.3 mm (0.090 in) to 2.5 mm (0.100 in) 6.1 mm (0.241 in) to 7.6 mm (0.300 in) 0.6 mm (0.025 in) to 0.9 mm (0.037 in) 10 mm (0.395 in) 10.2 mm to (0.400 in) R409.3.2 Position. Braille shall be positioned below the corresponding text. If text is multi -lined, braille shall be placed below the entire text. Braille shall be separated 9.5 mm (.375 in) minimum from any other tactile characters and 9.5 mm (.375 in) minimum from raised borders and decorative elements. Braille provided on elevator car controls shall be separated 4.8 mm (.1875 in) minimum and shall be located either directly below or adjacent to the corresponding raised characters or symbols. 55