Free Webinar

Errors and Offsets in Mine-Site Surveying


In this webinar, join presenter Sam Rivet P. Eng of PhotoSat, where he will introduce attendees to the errors and offsets in mine-site surveying, including elevation surveying for operating mine development, and earthworks construction.

To highlight the importance of conducting mine-site surveying around the world, this webinar will examine how as much as 20% of existing survey data sets have errors in them. These survey data sets have often been used for many mine-site operations, while the errors remain unidentified and unknown.

Attendees will gain a broad range of considerations for deciding how to use existing survey data as well as for deciding how to obtain new or additional survey data.

Join us for this free webinar and learn:

  • How survey errors can compromise elevation and volumetric data
  • The importance of using consistent survey data
  • The role Projections, datums, and geoids play in survey errors
  • Common sources and types of survey errors
  • Methods for identifying errors in survey data sets (single or multiple)
  • Potential impacts on mine operations and different aspects of project management


Sam Rivet (P.Eng) – Sales Engineer at PhotoSat

Sam Rivet is a Registered Professional Mining Engineer within the Province of Alberta. Sam has worked at the technical level in both the mining and civil construction industry. He was a tailings, project and efficiency engineer at CNRL’s Horizon Oilsand Mine. Following that, he worked as a mining consultant for a number of Open Pit operations. Prior to joining Photosat, he was a Project Manager on the earthworks portion of a Highway Construction project in Calgary. Recently,  Sam joined Photosat as a Sales Engineer, lending his planning and operational surveying experience to the organization.

In Partnership with:

Based in Vancouver, BC, Canada, PhotoSat was founded in 1993 to provide “better data for better decisions”. PhotoSat has invented a new geophysical processing technology to produce the world’s most accurate satellite survey data.

They specialize in elevation surveying for civil engineering infrastructure projects, tailings storage facility surveying, and the planning and design of resource development projects. They deliver services to clients in the oil, gas and mining industries, to governmental agencies, and to engineering and environmental companies. 

Their expertise in geophysical data processing methods combined with extensive experience enables them to provide satellite surveying with unparalleled accuracy. PhotoSat has delivered thousands of quality engineering satellite surveys which shorten project timelines, eliminate survey delays, improve data reliability, and reduce risk. They produce data with better than 15cm elevation accuracy.