(1)         A workplace is a place where work is carried out for a business or undertaking and includes any place where a worker goes, or is likely to be, while at work.

        (2)         In this section—

"place" includes—

            (a)         a vehicle, vessel, aircraft or other mobile structure; and

            (b)         any waters and any installation on land, on the bed of any waters or floating on any waters.