Real time GPS and Robotic Total Station Technology allows us to deploy single person crews to maximize efficiency
GPS and GLONASS enabled survey grade instrumentation with Precise Point Positioning software allow us to establish and survey with centimeter level accuracy anywhere in the North
Ground Penetrating Radar (GPR) is highly effective in detecting density differentials between both structural and natural layers
Dual Frequency Bathymetric survey data improves accuracy and redundancy when collecting water depth measurements.
A Terrestrial Lidar scan provides the ability to survey an inaccessible or complex surfaces and digitally revisit the site anytime using a combination of photographic imagery and a 3D point cloud
Incorporated in the Northwest Territories in 1996, Ollerhead & Associates Ltd. is a 100% Northern owned and operated firm of Canada Lands Surveyors and Engineers.