The survey instrument was a modified version of the classification of NICU levels used by the Vermont Oxford Network. The classification consisted of basic care (level I), specialty care (level II), and subspecialty intensive care (level III) (Table 1).
1 1) Performs any of following duties to assist in surveying land: Holds level or stadia rod at designated points to assist in determining elevations and laying out stakes for mapmaking, construction, mining, land, and other surveys. 2  2) Calls out reading or writes station number and reading in notebook.
Construction Workers. Construction Workers perform a myriad of duties to build, maintain and repair homes and others structures. They also work on storm water systems, excavation and leveling projects, sewage systems, drainage fields and many other types of construction projects.