Specifications include, but are not limited to: Replacement of the existing borehole/in-ground hydraulic jack with a new hydraulic system and cylinder assembly that complies with all current ASME-A17.1 code and includes double-bottom design on Elevators 1 and 2 in rooms B100H and B100I respectively. The project also includes replacement of the hydraulic pumping unit on both elevators. The work includes securing the elevator car in the hoistway to permit work on the jack, removing existing jack assembly, installing new jack with double bottom design, bolster plate, reinforced pit channels, and set of pit buffers to work in conjunction with jack, replacement of hydraulic jack oil as required, and replacement the hydraulic pumping unit for both elevators.