State-of-the-Art: 3D Technology

Calvada Surveying is proud to be an elite land surveying firm offering the most state of the art in surveying technology called High-Definition Surveying (HDS), or 3D laser scanning. This powerful technology not only allows us to perform our traditional surveying services more quickly and accurately, but also opens up new ways of providing value to our clients.

What Does it Do for You?
At the beginning of any renovation, retrofit, remodel, expansion or addition project, the management, construction and design team need access to accurate data of existing conditions (As-Built conditions). Team members can face a number of As-Built Documentation
challenges including obsolete or total lack of As-Built Drawings, and manual collection of As-Built measurements can be slow and error-prone.

High-Definition Surveying is an innovative tool used by CALVADA that simply put, takes the guess work out of obtaining As-Built Documentation. HDS provides an unobtrusive method to obtain highly accurate As-Built information of ANY indoor or outdoor man-made or natural structure quickly and efficiently, under any lighting conditions and regardless of site conditions, often in as little as a few hours.

• Provides more accurate and more detailed As-Built Drawings over information obtained from manual measurements and outdated or incomplete previous As-Built Drawings
  
• Accurate As-Built Drawings translate directly into reduced project costs through the reduction of construction reworks and construction delays
  
• Prevents schedule delays by reducing data collection time for obtaining As-Built information
  
• Safer data capture - all information can be captured safely from the ground without the need for safety harnesses
  
• Eliminates costly "return visits" to a project site
  
• Reduces facility downtime as a result of the unobtrusive data capture and reduced field construction time
  

• As-Built Surveys for exterior or interior building renovation, retrofit, remodel, expansion, or addition
  
• As-Built Surveys of complex facilities such as processing plants
  
• Piping and Ductwork Retrofits
  
• Building Information Modeling (BIM)
  
• Historic Building Preservation & Renovation
  
• Façade Scanning for Historic Restoration
  
• Freeway / Highway Design Surveys
  
• Bridge / Tunnel Design Surveys
  
• Surveying of busy street intersections - eliminates need for traffic control
  
• Construction Volume Calculations
  
• 3D Modeling
  
• 3D Topographic Surveys
  
• Monitoring Structure Deformation
  
• Surveys for Hazardous Site Areas
  
• Forensic Surveys (accident/crime scene reconstruction)
  
• Marketing Tool - allows your client to view area in 3D without having to be there
  

How Does it Work?
The High-Definition Surveying system is a high-speed, high-accuracy laser radar scanner with a 360° x 270° field of view. The technology can scan any interior or exterior man-made or natural structure or area within its field of view and create a complete raw data set in the form of a 3D image made up of millions of points of data, called a "3D point cloud". Every two points of the 3D point cloud provide direct point to point measurements within AutoCAD to within 6 mm accuracy! Quick, complete surface geometry is safely and accurately captured with the High-Definition Surveying system.

The raw scanner data, or 3D point cloud, can be used with software to view, pan, zoom, and rotate in 3D and obtain instant point to point measurements from. With additional post-processing, the raw data can be translated into accurate 2D or 3D AutoCAD drawings to be utilized for 3D visual walk-throughs and 2D or 3D design, and can even be rendered further into a full 3D solid model.