Specifications include, but are not limited to:The Stoneridge and Elm Stormwater Diversion System project is a stormwater conveyance project in the vicinity of West Concord Drive and North Juniper Place within the Stoneridge Towne Center commercial and medical development near Battle Creek golf course. The project will divert stormwater flows from the developed area northwesterly to a City of Broken Arrow owned stormwater detention facility lake. The project involves construction of storm sewer inlets, manholes, and outfall structures. Approximately 624’ of storm pipe ranging from `18” diameter to 48” diameter will be constructed. Approximately 461’ of a trapezoidal channel with concrete- lined low-flow ditch will be constructed.