The truncated domes feature wet set installation using Armor-Tile or an approved equal meeting Cal-Trans standard plan RSP A88A. The tactile surface units have a base diameter ranging from 0.9 inches to 0.92 inches and a top diameter from 0.45 inches to 0.47 inches. Each dome stands between 0.18 inches and 0.22 inches high with typical tapered edges where they occur. Center to center spacing between domes measures 2.3 inches to 2.4 inches.
2.3"-2.4" TAPERED EDGES WHERE OCCUR CENTER TO CENTER SPACING 2.3"-2.4" CENTER TO CENTER SPACING 0.45"-0.47" AT TOP 0.9"-0.92" AT BASE 0.18"-0.22" HT TYP. SECTION A-A NOTES: 1. TRUNCATED DOMES SHALL BE WET SET TYPE ARMOR-TILE OR APPROVED EQUAL. 2. TRUNCATED DOMES SHALL MATCH CAL-TRANS STANDARD PLAN RSP A88A. A A
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