Steps in stairs shall be designed wherever practicable so as not to have abrupt (square) nosing. Stairs shall have handrails thirty-two (32) inches high as measured from the tread at the face of the riser. Stairs shall have at least one (1) handrail that extends at least eighteen (18) inches beyond the top step and beyond the bottom step. Steps should, wherever possible, and in conformation with existing step formulas, have risers that do not exceed seven (7) inches.