Intro to Surveying Mid Term

Boundary Survey

A survey used to verify or establish property corners, property lines and areas, prior to transfer of title, subdivision platting, permitting and design and construction is a: Used to establish the true property corners of a lot and is needed to obtain a building permit

Random errors

Errors that are the difference between a true quantity and a measurement of that quantity. These errors are free of human mistakes and are not constant in magnitude and direction.

Survey chains and tapes are graduated into:

Feed, 1/10s feet and 1/100s feet

The sum of adding a backsight observation to a known elevation is the:

HI

In the context of CSM 2160 what is the definition of surveying?

measuring of distance and angles in the horizontal and vertical planes

Route Survey

A survey to provide horizontal and vertical control over relatively long linear distances providing the basis for obtaining horizontal and vertical data and laying out projects is a: a form of a construction survey, but it is linear in nature and establishes horizontal and vertical control for proposed roadways and utilities

In the same context what are surveying's two fundamental purposes?

1. Determine relative positions of existing points 2. Layout or mark the desired positions of new positions

Control Survey

A survey establishing accurate traverse stations and monuments in both the horizontal and vertical planes in and around a work site is a: Survey that establishes a network of horizontal and vertical monuments that serve as a reference framework for other surveys.

contour line

Lines drawn between points of equal elevation on a map, which enables us to depict the "lay of the land" in a 3D view on a 2D media is a: A line on a topographic map that connects points of equal elevation

Temporary Benchmark

Monuments with relatively accurate elevations assigned to them by being based upon benchmark elevations and that are generally site and project specific are: a semi permanent point of known elevation

Construction Survey

The laying out of points on a tract of land to guide new construction, under, over and upon the ground is a: A land survey that provides points and elevations for building civil engineering projects. Often called engineering survey.

The numerals 4, 5, and 6 require use of:

The left arm

Plane Survey

The method of surveying which assumes the earth is flat and is the method generally used for relatively small areas of the earth is a: Surveys for which the curvature of the Earth is ignored and measurements are treated as if taken on a plane surface.

Geodetic Survey

The method of surveying which takes into account the curvature of the earth and is generally used for surveys of large areas is a: Surveys to determine relative positions of widely spaced points which require consideration of the size and shape of the Earth.

Gravity

The natural physical force that provides the basic reference for all surveying measurement is:

The hand signals for the numerals 1, 2, and 3 require use of:

The right arm

When you are satisfied that the measurement is good set a nail or other marker and instruct the rear chain man to "come ahead".

When as the head chairman you are taping at a distance

Caught in confined spaces

When working on a construction site the most deaths are caused by people being:

Topographic Survey

A three dimensional survey of a tract of land showing the lay of the land, natural features and man-made objects in the vertical and horizontal planes is a: A land survey used to prepare maps showing location of natural and man-made features and elevations of points on the ground.

When selecting a set up point the instrument operators first task is to:

Address the point

Infrastructure

Any constructed systems or facilities under, over or above the ground which enables human communities to thrive and prosper

The hand signals for the numerals 7, 8, and 9 require use of:

Both arms

The hand signal indicating that conditions are not good is:

Both arms lowered below the hips and crossed back and forth

The foot values on a level rod are indicated by:

Red numbers

Benchmarks

Relatively permanent and stable monuments with accurate elevations ascribed to them and usually established by a government entity for use within their jurisdiction are: a familiar number used as a point of reference

Systematic errors

Repetitive errors caused by imperfections in equipment, methodology, or environmental factors. This type of error rends to be cumulative in direction and magnitude

The order of tasks to perform in order to level a level on a tripod is:

Set the tripod up with the legs firmly set in the ground and the head eyeball level, attach the level to the tripod, adjust the tripod legs such that the level bubble is free floating and close to the target circle, use the leveling screws to center the bubble exactly.

Blunders

Significant mistakes made by human error. A major reason for checking and rechecking your work; keeping near and complete field notes and effective workmate communication

When using surveying instruments and tools that contain adjusting mechanisms such as tripods, levels, theodolites and others, the screws should be tightened:

Snugly enough to hold position only