The services listed below are available through one of our IDIQ Contractors.

Topographic Mapping - obtain existing topography and planimetric features (roads, buildings, rivers, lakes, vegetation, etc.)

Utility Surveys - locate and verify existing above- and below-ground utilities.

Subsurface Utility Locating - utility locating and air/vacuum excavation operations to pinpoint underground utility locations, pipe/duct condition and size.

 Aerial Photography - Including LiDAR, satellite imagery, digital terrain and elevation models (DTM and DEM) and digital orthophoto mapping.

Land/Cadastral Surveys - locate and/or re-establish section lines or corners, and location/verification of boundary and property lines, rights-of-way, easements, and preparation of legal descriptions of a parcel of land.

Hydrographic Surveys - chart bottom profiles of streams, rivers, lakes and harbors, and obtain river and bridge cross-section data.

Dam Deformation Surveys - assist in monitoring of horizontal and vertical movement of dams.

Quality Assurance Surveys - taken during construction to assist the field in assuring contracted quantities are correct.

As-Built Surveys - final conditions after construction of a project.

Control Surveys - locate existing or establish new temporary or permanent benchmarks and control monuments.

Master Plan Mapping - update ground control, utility and site information for the major field office activities covered by the District.