The safety device is to be installed in a well. The safety device is has a support structure that is arranged to be lowered at least partly into the well and that restricts the movement of the safety device in the horizontal direction. A collar is in connection with the support structure and arranged to be set against the ground to restrict the movement of the safety device in the vertical direction, with a protective structure arranged on the collar to define a safe working area around the well.

Embodiments of a manhole cover safety apparatus having a circular base defining a central opening and a flange that extends outwardly from the circular base. An expandable cover is in rotatable engagement with the flange through a plurality of frame members that are secured to a cover portion which is operable between a deployed position wherein the cover portion covers at least a portion of the circular opening to provide a visual and physical warning of an uncovered manhole and a retracted position wherein the cover portion does not cover the central opening.

A safety rail protection system disclosed herein is adaptable to be positioned adjacent to a portal. The system may include a hinged gate having an opening and first and second opposing members, with the hinged gate being operable to open from a closed position to an open position. A first side rail may be present, and may include a first side gate projection extending at least partially into the hinged gate opening, with the first side rail interfacing with at least one of the first and second opposing members when the hinged gate is in the closed position. A second side rail may be present, and may include a second side gate projection extending at least partially into the hinged gate opening when the hinged gate is in the closed position.