A construction project’s success factor begins with accurate survey data and the coordinate system it is based on. The coordinate system is the source for obtaining the precise survey data. Coordinates are necessary when laying projects out, whether it’s a highway, bridge, site work, utilities, or another type of construction project.

Have you ever been on a job site where the engineer only used a transit or theodolite to check grades? It takes them so long to set up, find their benchmark, measure the point, and calculate an elevation that you might as well send the crew home because it takes so long. Fortunately for you, most engineers these days use total stations or GPS rovers to check grades.

The evolution of surveying over the years is very impressive. What used to take months to do years ago has been reduced to days or hours in modern-day surveying. There are many different methods used by surveyors. This blog will cover some of those methods.