Each concrete stair tread features a rounded leading edge and a textured surface finish. Parallel grooves are cast into the tread behind the nosing to provide a non-skid surface. A contrasting painted marking is applied full width across the stair tread behind the leading edge.
1" 2" OF STAIR IN CONTRASTING PAINT AT EACH TREAD PAINT NOSING AS INDICATED FULL WIDTH PROVIDE NON- SKID SURFACE AS INDICATED A CONCRETE NOSING -a! 23 4 23 4- 4 4 ' <1 4 '- 4 4 4 .-4 -4' 4.2 \ 4- 4- - 4 - -a 4'4 4 ■T 4 . < ~ -A'' ' 4. ,.4- 4 4 4 4' <r 4 . 4 4 4 W v
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