Specifications include, but are not limited to: The Work shall include installation of helical piles beneath two existing steel and concrete stairs.A portion of the concrete plaza will require demolition to install the helical piles, and then require new reinforce concrete placed to restore the plaza. Any deconstruction of the stairs to install the piles will require the contractor to re-connect the stairs and repair any damaged caused by the deconstruction. If stair parts are to be stored, this can be accommodated on site, with the contractor having the responsibility of securing the stored pieces. Stairs are to be set level and drain down tothe base, with no water collecting on the landings. Expansion joints shall be placed between plaza sections and Isolation joints shall be placed (or maintained) around existing building elements,such as columns, elevator shaft and building slab. Flush elevation transitions between new and existing concrete slabs must be maintained for ADA access requirements.