When the public swimming pool is without water safety personnel on duty, a locked barrier with a minimum height of 4 ft. shall be present at the pool entrance. The barrier must be secured at all times with access limited to residents and patrons. In addition, one of the following warning signs shall be placed in plain view with lettering 2 inches in height:
A) "POOL CLOSED, NO SWIMMING, NO LIFEGUARD ON DUTY": PERSONS FOUND IN VIOLATION SHALL BE SUBJECT TO A FINE OF UP TO $100.00"
B) "WARNING, NO LIFEGUARD ON DUTY, NO ONE MAY BE ALONE AND NO MORE THAN 5 PERSONS MAY BE IN THE POOL AT ANY TIME. PERSONS UNDER 16 MUST BE ACCOMPANIED BY AN ADULT. PERSONS FOUND IN VIOLATION SHALL BE SUBJECT TO A FINE UP TO $100.00"