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building corners, sidewalks, paved areas and location of all above ground <br />structures within the plant or tlocation, site- <br />ines and grades of all lines 4-inch in <br />2. Certified drawing showing the <br />facilities <br />diameter and larger buried and exteriors to a result of the work. This shall be at <br />the valves, tanks, vaEngietc) installed <br />all piping <br />the same scale as the Eng anddrawing and submitted on <br />reproducible Mylar. process <br />Certified survey at the same scale as the Engineer's line drawings (e.g. <br />3. indicating lines, grades, elevations and <br />piping, force main, duct banks etc) ' <br />coordinates at each change of direction.Provide elevations of structure bottom, <br />pipe invert(s) and rim elevations on all <br />E. Topographical su100-feet shall <br />11-inch scale reproducible p otr2 foot contours. <br />2. Produced on national map accuracy standards for 1-inch =100-feet scale maps <br />with 2 foot contour intervals <br />computer enerated drawing files in AutoCAD 200 <br />3. Contractor shall submit comp gon layers named to <br />format on CD-R/RW disks. All entries shalllbe place <br />e the AutoCAD file hall be <br />the entity being mapped. All elevation in <br />appropriate three dimensional format. A digital terrain model (DTM) <br />in an <br />AutoCAD file containing adequate three dimensional points and break lines to <br />accurately model the surface shall be <br />software.. The DTM file shall be <br />compatible for use with softDe <br />sk i M below. <br />