Individuals can identify, safely use and maintain tools and instruments used for site layout tasks. They are familiar with the instruments and procedures used to determine site and building elevations. They are able to use builder's levels, transit levels and theodolites. They can explain how to use the 3-4-5 rule to check/establish a 90-degree angle. They can demonstrate how to turn a 90-degree angle and double an angle. They know how to properly record site layout data in field notes.

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