(1)Any person who, without lawful authority or excuse, closes or opens or operates any of the equipment or machinery comprised in Works Nos. 1, 2 and 3, or in any other way intentionally or recklessly interferes with the operation thereof, shall be liable on summary conviction to a fine not exceeding the statutory maximum or on conviction on indictment to a fine.
(2)A person shall not be guilty of an offence under subsection (1) above as respects any act done in an emergency in order to avoid danger to any person.