Specifications include, but are not limited to: This work consists of creating a Stormwater Treatment Unit (STU) – Infiltration Swale primarily by installing multiple earthen check dams along an existing swale segment at the specified location and performing all associated tasks, including: land surveying for horizontal and vertical control and construction layout, measuring vertical elevation differential between existing edge of pavement and existing swale elevation at each check dam location to set check dam height; coordinating with utility companies, verifying existing underground utility and drainage infrastructure locations; controlling stormwater runoff during construction with soil erosion controls, re‐establishing all areas that erode prior to grass stabilization, removing sediment and controlling dust; clearing and grubbing, excavating, removing earth, providing suitable soils for construction of check dams as shown on the Plans, transporting, stockpiling, reshaping and replacing earth to establish proper lines and grades; removing and replacing unsuitable soils; dewatering excavations; scarifying, trimming, and fine grading the disturbed surface area to receive the proposed materials; removing sediment from drainage swales, installing erosion mats and loam and seed; and furnishing all labor, equipment, materials, and incidentals as indicated in the plans and details, as described in these Specifications, or as otherwise needed to complete the work.