CVE 241
Spring 2013
STEEL TAPE CORRECTIONS FORMULAS
Alignment
2
Ca = -
d
2 Lp
Ca - the correction to the distance measured for poor alignment of the tape
d - the perpendicular distance off of the true alignment for each partial distance held
Lp - partial

CVE 241
Elementary Surveying
Volumes - Examples
Reading: Chapter 20
20.6 Computation of Earthwork
Volumes
B. Volume by Prismoidal Formula
Note: Am is determined by taking measurements in the
middle of A1 and A2 OR by averaging the heights at A1 and
A2, th

CVE 241
CVE 241
Elementary Surveying
Angles and Directions
Angles and Directions
Reading:
Reading: Chapter 9
Angles and Directions
9.1 Meridians:
9.1 Meridians:
A Meridian: fixed line of
direction Astronomic
direction. Astronomic
Meridian: the direction o

CVE
CVE 241
Elementary Surveying
Traverse Adjustment and
Area Computation
Area Examples
Reading Chapter 12
Reading: Chapter 12
How do you determine the most
westerly/easterly and northerly/southerly
point?
side
AB
BC
CD
DE
EA
BalancedLatitude
N
S
100
100

CVE 241
CVE 241
Elementary Surveying
Volumes
Reading: Chapter 20
Chapter 20
Chapter 20: Volumes
Chapter 20: Volumes
20.1 Introduction:
Introduction:
Earth work is an important element of most
of the construction projects (highways
of the construction proj

CVE
CVE 241
Elementary Surveying
Traverse Adjustment and
Area Computation
Examples
Reading: Chapter 12
Chapter 12
Examples
Latitude/Departure & Errors of Closure
Compute the latitude and departures for the sides of
the following traverse. Determine the er

CVE 241
CVE 241
Elementary Surveying
Total Stations and Miscellaneous
Total Stations and Miscellaneous
Angle
Angle Discussion
Reading: Chapters 10 and 11
Chapters 10 and 11
If an angle is in error by 1, it will cause the line of sight to
be out of positio

CVE
CVE 241
Elementary Surveying
Surveying
Traverse Adjustment and
Area Computation
Computation
Reading Chapter 12
Reading: Chapter 12
12.2 Computations
Computations are needed to reduce the survey
measurements to useful form for determining
distance, are

CVE
CVE 241
Elementary Surveying
Surveying
Differential Leveling
Reading: Chapter 8
Chapter 8: Leveling Continued
Chapter 8: Leveling, Continued
8.1 Adjustments of Level Circuits:
a. Levels over one Route:
If a line of levels is run in one direction, it h

CVE
CVE241
ElementarySurveying
DistanceMeasurementcontinued
Dr. Tarig Ali
Reading: Chapters 4 and 5
Slope Corrections:
Slope Corrections:
Example:
A slope distance was measured, using a 50 m tape, and
di
50
found to be 597.31 m. If the vertical angle is m

CVE 241
CVE 241
Elementary Surveying
Leveling
Dr Tarig
Dr. Tarig Ali
Reading: Chapter
Reading: Chapter 6
General Terms
Horizontal line
Level surface
Level line
Vertical line
line
Vertical distance
Vertical datum
datum
Elevation
Geoid
Mean sea level
Chapte

CVE 241
CVE 241
Elementary Surveying
Surveying
DistanceMeasurement
Dr. Tarig Ali
Reading: Chapter 3
Techniques of Feature Location
Techniques of Feature Location
Scaling from maps, plans and aerial
from maps plans and aerial
photographs.
Positioning, us

CVE
CVE 241
Elementary Surveying
DistanceMeasurement
Dr.Tarig Ali
Reading:Chapter3
TODAY
TODAY
Distance measurements
OBJECTIIVES
OBJECT VES
Name a few methods used to measure length (distances) including
one that is commonly used today
Name a few units c

CVE 241
CVE 241
Elementary Surveying
Su
Introduction to Surveying &
Measurement
Dr. Tarig Ali
Reading: Chapters 1 & 2
Chapters
What is Surveying?
What is Surveying?
Surveying is the art and science of taking
is the art and science of taking
field measure

CVE
CVE 241
Elementary Surveying
Geographic Information Systems
(GIS)
Reading: Chapters 17 & 18
Chapters 17 18
What is GIS?
What is a GIS?
A GIS is a computer system capable of
capturing, storing, analyzing, and displaying
di
geographically referenced inf