Modular precast concrete steps
(10) US 2017/0234014 Al
(22) 21.12.2016
(43) 17.08.2017
(57) A precast concrete step unit formed of left and right side-walls, risers, and treads, wherein left and right sidewalls are assembled from a plurality of pre-cast sidewall panel modules, including at least one stepped panel module and at least one rectangular panel module. The panel modules are joined edge-to-edge at seams, with cement and/or with hardware. Pre-cast concrete tread modules extend at least between the left and right sidewalls and are mounted onto respective stepped edge surfaces of the right and left sidewalls. Pre-cast...
