NG Net PLLC

Existing-Conditions Information for Engineering, Design, and Development

Topographic surveying documents the horizontal and vertical positions of natural and constructed features within a project area.

Reliable topographic information helps engineers, architects, developers, and contractors understand existing site conditions before design or construction begins.

When You May Need This Service

• Site planning and development
• Grading and drainage design
• Stormwater management
• Roadway and infrastructure improvements
• Building and site additions
• Utility planning
• Landscape design
• Existing-condition documentation

What We Provide

Depending on the agreed scope:

• Ground elevations and contour mapping
• Existing buildings and structures
• Pavement, sidewalks, curbs, and retaining walls
• Drainage features and watercourses
• Visible utilities and selected utility information
• Survey control and benchmark information
• Topographic maps and digital survey data

Flexible Surveying Technology

Topographic information may be collected using:

• Conventional surveying instruments
• GNSS/GPS
• Terrestrial LiDAR scanning
• Photogrammetry
• UAV/drone mapping

Two Types of Deliverables

Boundary and Topographic Survey: Combines topographic information with a professional boundary survey.

Topographic Map: Documents existing site conditions without establishing the property’s legal boundaries.

The appropriate service is selected according to the client’s project requirements.

Digital deliverables, including CAD drawings, terrain surfaces, and survey data, can be coordinated with the design team. Signed and sealed survey documentation is provided as required.

Planning a project that requires accurate existing-condition information? Contact us to discuss your topographic mapping needs.