Stair identification signage layout showing the required letter sizing and text positioning for stairwell panels. The layout specifies one and one-half inch letters for the stair designation, five-inch numbers for the floor or level indicator, and one-inch letters for supplementary text. Overall plaque dimensions measure one foot wide by one foot six inches high.
B THRU 1 STAIR X 1 5" LETTERS 1" LETTERS 1 1/2" LETTERS A FOR STAIR #X 1'-6" 1'-0"
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