<p>A base support for mounting a hoisting apparatus over an opening. The base support comprises a plurality of elongated framing members coupled to each other in a closed polygonal arrangement sized and shaped to surround the opening. The polygonal arrangement has a plurality of corners where two of the framing members meet. The base support also comprises a hoisting apparatus bracket securable to at least one of the framing members and having a hoisting apparatus mounting assembly for mounting the hoisting apparatus thereto.</p>
