Cmp 305 exam 1 Study guides, Class notes & Summaries

What are 3 reasons to survey? -protect owner/builder against costly errors in measurement -esatblish property/building lines -where/how the structure is to be located When are plot plans required? before a permit is issued Plot plans show... Shows the location of the structure and indicates the distances to property lines Purpose of leveling For planning and layout Leveling for planning is to... To establish the necessary elevations to develop plans for such structures as buildings, road...

Types of Leveling - Differential Level - Profile - Topographic Differential Leveling Finding difference in elevation between 2 points Profile leveling determining the elevation of points at measured distances along a selected line Topographic leveling determining the elevation of spaced grid points - uses contour lines Accuracy of differential leveling depends on... and common mistake - centering of bubble - keeping the rod vertical - equal sight distances for the BS and FS - length ...