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Orange County Facility Renovations <br />Hillsborough, NC <br />Smith Sinnett EXECUTION <br />2020046/2020047/2020048/2020049/2020055 01 73 00 - 4 <br />E. Record Log: Maintain a log of layout control work. Record deviations from required lines and levels. <br />Include beginning and ending dates and times of surveys, weather conditions, name and duty of each <br />survey party member, and types of instruments and tapes used. Make the log available for reference by <br />Architect. <br />3.4 FIELD ENGINEERING <br />A. Identification: Owner will identify existing benchmarks, control points, and property corners. <br />B. Reference Points: Locate existing permanent benchmarks, control points, and similar reference points <br />before beginning the Work. Preserve and protect permanent benchmarks and control points during <br />construction operations. <br />1. Do not change or relocate existing benchmarks or control points without prior written approval of <br />Architect. Report lost or destroyed permanent benchmarks or control points promptly. Report the <br />need to relocate permanent benchmarks or control points to Architect before proceeding. <br />2. Replace lost or destroyed permanent benchmarks and control points promptly. Base replacements <br />on the original survey control points. <br />C. Benchmarks: Establish and maintain a minimum of two permanent benchmarks on Project site, <br />referenced to data established by survey control points. Comply with authorities having jurisdiction for <br />type and size of benchmark. <br />1. Record benchmark locations, with horizontal and vertical data, on Project Record Documents. <br />2. Where the actual location or elevation of layout points cannot be marked, provide temporary <br />reference points sufficient to locate the Work. <br />3. Remove temporary reference points when no longer needed. Restore marked construction to its <br />original condition. <br />D. Certified Survey: On completion of foundation walls, major site improvements, and other work requiring <br />field-engineering services, prepare a certified survey showing dimensions, locations, angles, and <br />elevations of construction and sitework. <br />E. Final Property Survey: Engage a professional engineer to prepare a final property survey showing <br />significant features (real property) for Project. Include on the survey a certification, signed by <br />professional engineer, that principal metes, bounds, lines, and levels of Project are accurately positioned <br />as shown on the survey. <br />1. Show boundary lines, monuments, streets, site improvements and utilities, existing improvements <br />and significant vegetation, adjoining properties, acreage, grade contours, and the distance and <br />bearing from a site corner to a legal point. <br />3.5 INSTALLATION <br />A. Locate the Work and components of the Work accurately, in correct alignment and elevation, as <br />indicated. <br />1. Make vertical work plumb, and make horizontal work level. <br />2. Where space is limited, install components to maximize space available for maintenance and ease <br />of removal for replacement. <br />3. Conceal pipes, ducts, and wiring in finished areas unless otherwise indicated. <br />4. Maintain minimum headroom clearance of 96 inches in occupied spaces and 90 inches in <br />unoccupied spaces, unless otherwise indicated on Drawings. <br />DocuSign Envelope ID: 09980A3B-0691-41B4-854D-3865F2287392