Engineering Surveys

An engineering survey aides in the design process. These types of surveys help engineers in the planning and future development of the site. A map or exhibit is typically produced.

    Topographic Exhibit
    • A site map showing the topographic features of a site by way of contour lines
    • Shows drainage patterns, locations of rock outcroppings, hills and other natural features
    • Also includes artificial features such as buildings, utility locations, and detention ponds
    • Contours can be shown at almost any interval that is specified by the client, but typically 1 foot
    • Can be on "real world" or assumed datum for elevations
    • Requested by engineers, architects or building contractors who need to know about overall site grade and elevations
    • This information may be used to determine placement of site improvements, estimate the volume of dirt to be moved, or for many other
    • construction and development purposes
    • See an example...
  • Plan & Profile
    • Typically used to delineate a corridor in which a linear structure, such as a roadway, pipeline, or runway, is to be constructed
    • Plan view may include topography, structures, utilities, or other features which could impact a proposed design
    • Profile view is a representation of the vertical features, both at ground level and underground
    • Used by engineers to prepare construction plans for surface and subsurface improvements
  • Site Plan
    • A simple map showing the proposed site features
    • Typically requested by the city or county in addition to a subdivision process
    • See an example...
  • Volume
    • A topographic survey is done to gather elevation information
    • A surface in interpolated based on the gathered information
    • Calculations of the area are made to find the volume
    • See an example...
  • Control
    • Establishes a network of survey control to be used on a large project or job
    • Typically for construction sites, and subdivisions
    • Also used top establish city or county control networks
    • See an example...
  • Aerial Mapping
    • Aerial mapping can be used to map the horizontal and vertical features of land in a more efficient manner in large areas
    • Surveyors provide the initial horizontal and vertical control necessary to position the aerial photos
    • Aerial targets (panel points) are placed on the ground at positions that will provide adequate visual coverage for the photography
    • Possible drawbacks are features obscured by foliage or unidentifiable and the possibility of less precise information
    • Supplemental information provided by the surveyor can include manholes, fire hydrants, or other items not visible by photo
    • In areas of critical match points, we may be able to provide information that is more precise than available by aerial mapping
  • Right of Way Acquisition Map
    • Shows the relationship of a proposed corridor or other improvement to the existing parcels
    • Shows current ownership
    • See an example...

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