Requested survey data shall include but not be limited to: Research and obtain available site record data, as required. Show scale, north arrow, and date of survey (confirm with drawing size and scale). Show benchmark with official reference. Indicate datum used. Show existing property boundaries for all adjacent properties to the subject property area including right-of-way boundaries. Show all dimensions and all encroachments both ways over property lines. Check tops of building walls built on property lines and footings or foundations. Show all easements: location, width, purpose, and ownership. Show possibilities of abandonment of easement, if required (easements or restrictions other than those stated, implied or indicated). Topography shall cover entirety of subject requested survey areas. Contour intervals shall be shown one-foot interval gradients. Spot elevations at breaks in grade, along all drainage channels or swales and selected points as needed, including spot elevations at building corners and stairs. Locate street improvements (sidewalks, curbs, gutters, cross-gutters, or flow- line of ditch or drainage if no curbs) on adjacent streets to the site. Show center lines and elevations. Locate all drainage structures, swales, and pipes in the requested subject area. Provide inverts, topography, and describe all drainage infrastructure in the accepted surveying standard.
