Grandstands, bleachers and stadiums shall be provided with aisles which shall be located as directed by the Commissioner. Aisles shall be not less than 3 feet 6 inches in width, provided, that where an aisle is divided into two parts, each part shall be 2 feet in width. Where an aisle commences more than one foot above ground level, it shall be provided with a stairway or ramp not less than the width of the aisle. Aisles shall not be required in the case of bleachers with less than 15 rows of seats.
09- 137 C.M.R. ch. 11, § 05