(A) As part of the final acceptance process, record drawings of the drainage facilities must be submitted to the Superintendent of Stormwater, as set forth herein, for all platted subdivisions. A professional engineer or professional land surveyor, licensed to practice in the State of Indiana shall certify record drawings. Record drawings shall provide the following information:
(1) Building pad elevations.
(2) Calculated percentage slope in swales, pipes and from building pads.
(3) Elevation shots along the flow line of the rear yard swales at its intersection with the property lines, and at the midpoint of the swale on each lot. In no case shall the distance between elevation shots along the rear yard swale exceed 50 feet.
(4) Flow line elevations of the highpoint along side yard swales.
(5) Pipe size and pipe material.
(6) Lengths of all pipe structures.
(7) Data regarding the stormwater storage basin, including top of bank elevation, invert elevations of primary and emergency spillways, size and pipe material of primary spillway, emergency spillway shape and dimensions, and width of top of embankment.
(8) Structure inverts, pipe inverts, top-of-castings.
(9) Horizontal alignment of storm drain pipes, culverts, streets and storm drain structures, to a minimum accuracy of plus or minus two feet.
(10) The horizontal location and/or bank cross-sections for all wet-bottom or dry-bottom storage facilities or other information sufficient to verify that the constructed stormwater storage facility provides the required minimum runoff storage volume.
(11) Certified statement on plans stating the completed storm drainage system substantially complies with construction plans as approved by the Board.
(12) Other information that may be requested by the City Engineer.
(B) Final record drawings shall not be accepted until the Stormwater Board and Board of Public Works accepts the improvements. Record drawings shall be initially submitted as paper copies, while final record drawings shall be submitted as original Mylar copies, and in an electronic format as approved by the City Engineer.
(Ord. 2-2010, passed 3-8-10)