17A.10.130 Record Drawing Requirements.
Record drawings must be prepared by the engineer based on as-built survey data and must include the following:
A. Storm drainage detention, retention and water quality facility finished contours, elevations and dimensions such that key aspects of the approved design can be verified such as required detention volume, required retention volume, required volumes based on key elevations, overflow elevations, spillway elevations, invert elevations, orifice elevations, orifice sizes, etc.
B. Invert and rim elevations of catchbasins and pipe outfalls, pipe sizes, pipe slopes such that verifications can be made that conveyance systems have been built in accordance with this Title.
C. Finished contours and key spot elevations for areas that require specialized or detailed grading such as areas that will be providing compensatory flood storage, or areas that provide for a stormwater overflow route.
D. Verification of required vehicle sight distances when requested by the County.
The approved site development drawings shall be used as the base drawing for the record drawings. The record drawings shall be prepared using common drafting standards. It is preferred that the original design dimensions, elevations, etc., are struck through and the actual number is written immediately adjacent to the strike out. The engineer that prepares the record drawings shall mark them as "Record Drawings."