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...