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40 40 40 40 Exhibit "A" Indian River County Department of Utility Services Survey Requirements I. All Construction and/or Route surveys shall meet the minimum requirements of Chapter 61G17, Florida Administrative Code Pursuant to section 472 of the Florida Statutes. 2. All state plane coordinates shall be based on the Florida State Plane Horizontal Data (East Zone); Florida High Precision Geodetic network (Superstation) and NAD 83/1990 -final adjustment. 3. All elevations shown shall be based on 1929 NGVD. 4. All incoming route construction survey CAD drawing files shall be received on 3 ''/2" diskette with a tie to state plane coordinates. (NOTE: Prior to submitting the CAD drawing on 3 %z" diskette, one (1) copy of each survey shall be submitted for review and approval. After all approvals, a reproducible Mylar along with two (2) signed and sealed copies of each survey shall be submitted. Modified: Deliverables will be limited to the topographic project mapping in Digital AutoCAD R14 format at a scale of 1" = 401, accompanied with a final signed/sealed surveyor's report. 5. All construction surveys shall be tied to a minimum of one permanent reference monument (P.R.M.) at each end of the project. One P.R.M. shall be tied to a minimum of one section comer or one quarter ('/o) section comer whichever is closest to the project. State plane coordinates shall be physically shown on the survey next to the P.R.M. used. 6. All surveys that are required for the use of engineering design, and are located within a distance of one (1) mile from any of the Indian River County Global Positioning System (G.P.S.) control project monuments shall tie into the GPS monument from one (1) permanent reference point or subdivision comer that is along the survey route and shall then be tied to the survey base line. 7. Horizontal Control Monumentation for utility lines shall be a minimum of two (2) points at a maximum of 1,400 feet between points and shown on all plans. Modified: Horizontal Control Monumentation for utility lines shall be a minimum of two (2) points at the end of each run. 8. Vertical Control (when required) for linear utility lines such as sewer, shall have a maximum of 1,100 feet between existing construction, or established benchmarks. Modified: Vertical Control Monumentation shall be established at the end of each run.