The Director may close any recreational facility or portion thereof to the public for the purpose of repair, maintenance or when usage would do damage to the facilities beyond normal wear and tear. When it is deemed necessary to temporarily close a facility, the Director shall cause signs to be placed giving notice that such facility is closed and that entry is unlawful.

Whenever the Director has determined it necessary to close a facility and has caused signs to be placed, it shall be unlawful for any person or persons to enter or remain in the facility or portion thereof which has been closed.