All floor openings less than 12 inches inside dimensions shall be kept covered. Such covers shall be of such design that they cannot be easily dislodged.
N.J. Admin. Code § 12:185-22.5
All floor openings less than 12 inches inside dimensions shall be kept covered. Such covers shall be of such design that they cannot be easily dislodged.
N.J. Admin. Code § 12:185-22.5