Specifications include, but are not limited to: Providing all labor, equipment, materials, supplies, tools, and supervision necessary to abandon approximately 184 LF of 36" storm sewer and (1) manhole; remove approximately 499 LF of 42" storm conduit, (4) storm manholes, (2) sanitary manholes, and (1) headwall with apron; Install approximately 773 LF of 48" storm conduit, 74 LF of 24" storm conduit, 246 LF of 8" sanitary conduit, (9) storm structures, (2) sanitary manholes, (1)45,850 CF Contech underground storm detention system, and (1) headwall with apron; Construct/remove/restore (1) temporary parking area, and (1) temporary driveway; Perform regrading per plans; Install permanent erosion protection in stream; Perform necessary sewer reconnects; and perform all final restorations and testing as shown on the Contract Documents.