A safety apparatus for containing a release of energy from a tension stud of a rotor assembly, the safety apparatus including a containment member configured to pivot about a pivot location, the containment member including a retaining arm located on a first side of the pivot location and a catch located on a second side of the pivot location, wherein the containment member is movable about the pivot location to a first position in which the catch is engaged with a lip of a disc of the rotor assembly to position the retaining arm in a containment position.