Integrity. Integrity must not be compromised. Honest relationships and trust are essential for long-term business success. 

Safety. We are fully committed to the health and safety of our workforce and on the protection of our people, the environment and our assets.

Efficiency.  We continuously work together with our clients and within our teams to discover and apply safer, better, faster and more cost-efficient ways to provide the services our clients value.



Established in 1977, Datum Surveys Ltd. has been a pioneer in the exploration survey industry for many years.  Founder Harvey Tetzlaff , a graduate from the Geomatics Engineering course at Sait, was the author of various software applications for conventional surveys (sunshot, offset routines, 3d corrections, datum conversions etc).   He also developed a set of computerized chaining notes in 2003 that became widely used throughout the industry. Datum was also the first to introduce the use of fluorescent survey tags in 1999. Upgrading them to Neon tags in 2003. (70% more visible at night).

Today the company is operated by current owners, Cam Virostek and Adam Ramsay.  Cam brings of 30 years of experience, ranging from Surveying, Cat Pushing, Advance Work and GIS Mapping.  Adam has over 15 years of experience ranging from Surveying,  GIS Mapping and Data Processing. 




SURVEY – Datum Surveys Ltd. has been providing quality exploration surveys to clients across Canada for over 40 years.  With a large inventory of Leica GNSS units, we can handle any project, big or small.  We also have experienced Mulch/Slash Push personnel that can get your project started off on the right path. 


GIS MAPPING & DATA PROCESSING – We  provide our clients with a range of mapping options.  Field and office maps up to 42″ wide. NEW georeferenced pdf maps, right on your smartphone and tablet.  Know where you are at all times on your project and save some paper while you’re at it with our georeferenced SMART maps!  We also offer remote mapping and processing services as well. 

STAKELESS SURVEYING AND SUPERVISION – We work directly with Linecrews, providing all the equipment and experienced personnel they need to get the job done safely, with less impact and more efficiency.