What are those "survey" people doing with the yellow tripods? - tripods
You know what I mean? People are either under construction or doing something kind of poll, and a machine with a yellow tripod. Who are they and what do they really?
Friday, November 20, 2009
Tripods What Are Those "survey" People Doing With The Yellow Tripods?
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The machine is as a theodolite, and is used to measure the angles and heights. People are probably from the highway department or any other responsible city, county or local agency for road maintenance, construction and maintenance. The survey to determine exactly what the road conditions or other document, so you can enjoy the finest new design or repair work.
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