We claim the ornamental design for an adjustable roof hatch safety rail, as shown and described.
FIG. 1 is a perspective view of the adjustable roof hatch safety rail positioned around a roof hatch which is shown in broken lines for illustrative purposes only and form no part of the claimed design;
FIG. 2 is a perspective view of the adjustable roof hatch safety rail;
FIG. 3 is a side elevation view of the adjustable roof hatch safety rail;
FIG. 4 is a front elevation view of the adjustable roof hatch safety rail;
FIG. 5 is a rear elevation view of the adjustable roof hatch safety rail;
FIG. 6 is a top plan view of the adjustable roof hatch safety rail; and,
FIG. 7 is a bottom plan view of the adjustable roof hatch safety rail.