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such a way that the location of the construction may be compared with the construction plans. Clearly shown by symbols, notations, or delineations, those constructed improvements located by the survey. D. All vertical information (elevations) provided on the Record Drawings shall be referenced to the National Geodetic Vertical Datum of 1929 (NGVD 1929) unless otherwise specified by the Project Engineer. A conversion to the North American Vertical Datum of 1988 (NAVD 88) shall also be shown. E. The horizontal information provided on the Record Drawings shall be referenced to the State of Florida, State Plane Coordinate System, Florida East Zone as established by Global Positioning System (GPS) which meets or exceeds Third Order Class I Accuracy Standards according to current publication of the Federal Geodetic Control Committee (FGCC) procedures. F. All Record/As-Built drawings shall be prepared in digital format (ACAD Ver.2009 ) and shall utilize the digital design drawings as prepared by the Project Engineer as a base for the Record/As-Built drawings. It is the responsibility of the Surveyor to request these files from the Contractor or Project Owner in order to produce the Record/As-Built drawing set. G. ALL improvements proposed to be constructed as shown on the approved construction plans shall be field measured upon completion and shown on the Record/As-Built survey. Any improvements that appear in both plan and profile views shall show the Record/As-Built information in both views. H. The following items are required to be shown on all Indian River County project Record/As-Built drawings submitted to the County: DRAINAGE: 1. Right-of-way Swale/Drainage — All culvert inverts, elevations and station offsets; inlet grate and bottom elevations; swale beginning and end bottom elevations; and highs and lows along top of bank. Size of swale. 2. Pipe Culvert/PVC Sleeves — All inverts, pipe size, stations and offsets. 3. Outfalls — All pipe inverts, pipe size, elevations and station offsets, weir box elevations, weir elevation, bleeder elevation and sizes. 4. Roadway/Off Site Drainage — All inverts, elevations and station offsets; manhole top elevation; grate top elevations. 5. Retention Ponds — Provide perimeter elevations, grade breaks, depths and calculated pond areas at control elevation and grade breaks above and below water surface. Show as -built of typical cross section as shown on design plan. ROADWAY: 1. Stations and offsets related to controlling baseline and elevations of all structures, side street and major driveway radius returns (edge of pavement), 01025-3 Technical Specifications F:\Public Works\ENGINEERING DIVISION PROJECTS\1137-OId Dixie Hwy Resurfacing IRF North Relief Canal to 71st St\Admim\Addendums\Technical Specifications ADDENDUM 1 07-31-2014.doc