Construction of exterior landscape structures and features, namely, pools, water features, hardscapes, concrete patios, concrete water features, architectural retaining walls, cantilever and stem wall concrete planters, patios, decks, stone walls for slope stabilization, hillside erosion control and shoring, terraces, retaining walls, garden walls, outdoor living spaces, fire pits, fire places, walkways, stairs and steps; installation of irrigation systems and drainage systems; construction s...