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Running Head: External Sources of data
External Sources of data
Name of Student
Institutional Affiliation
Introduction
In an attempt to establish the viability of a perceived
opportunity, an academic program, or a rising student market in
a particular field ought to be considered (Freeman et al.., 2016
p.27). Apart from the internal institutional data, external
sources such as employer expectations and occupational
statistics also normally act as relevant sources of data. The
evaluation using external data sources is typically done to
establish if the opportunity under evaluation exists and to
determine whether they should introduce the institution to the
chance. Academic program developers have always used this
type of data sources to improve on specific programs to increase
their effectiveness in the market place.
Employer expectations
When students apply for a particular course, their main concern
is usually the job market. These observations are highly
indicative of how many academic programs typically operate
within the market place. When doing evaluations, educational
program developers work highly depends on data collected from
the employers through the advisory boards. The main aim of
this is to ensure that the curriculum is significant and the
students are most likely to get jobs after their graduation
(Freeman et al.., 2016, p.15).
Data relevant to the academic program
One of the crucial data that can be obtained from the employers
is the relevance and effectiveness of the programs in the career
opportunities they offer. This types of data can accurately be
obtained from the alumni who might provide vital information
about how well the program prepared them for the career they
are undertaking.
Based on the study program overview, the students are
expected to acquire problem-solving skills, computational
abilities, think critically and creatively and also have excellent
communication skills (Case Study Program Overview,
Jamestown College, 2017). This skill is in rhyme with what
most employees usually look for during employment.
Occupational statistics
Occupational statistics refers to the duties and
responsibilities that come along with a job. They are mainly
described in the job description, whereby the employers clearly
outline the required technical skills for the job opportunity.
This information proves essential for self-evaluation of
applicants who automatically figure out if they are qualified or
not. Academic program developers also use this information and
compare it to a program being provided based on the
performance of the students. The effectiveness of such programs
is easily determined this way by deciding on which programs to
do away with or expand them into specialized subfields
(Freeman et al.., 2016, p.15).
Data relevant to the academic program
Some of the data that can be collected from these sources
include the main opportunities that have so far been presented
in the job market about the program and also the prospect.
These statistics might be attained through research on the job
market, which might provide an insight into the job market.
However, the information might not correctly predict the future
trends of the job market since the opportunities might decline
depending on business needs and what the programs offer.
Another type of data that might be collected is the skills
required for particular opportunities. An example whereby
Business Administration opportunities might require some skills
that may or may not be offered by the institution. These
requirements might necessitate the introduction of some
programs as subfields to the main program that offers related
programs. This intervention might provide the students with a
competitive advantage over their peers in other institutions.
Use of the Data
Since the students usually look for the relevance of a course in
the job market, trends on the enrollment in the program might
shed some light on the importance of performance or
significance of the program to students. The data collected on
Jamestown Case study shows a decreasing trend meaning that
fewer students are finding the program irrelevant or not
fulfilling (Final Project Case Study, 2017). The improvement of
the program based on the external data sources from students’
feedback report could show the areas that need to be improved,
for example, guidelines in assignments and the delivery of the
program units.
The information from the alumni, on the other hand, could help
demonstrate the importance of the nontechnical and technical
skills acquired from the institution in the market place. An
example of this is the problem-solving skills and creativity that
are one of the major deliverables of the program (Case study
Program Overview, Jamestown College, 2017). Their comments
help reflect on the effectiveness of the program in preparing
students for the job market on graduation.
References
Freeman, Chambers, C. R., & King, B. R. (2016). The Important
Role of Institutional Data in the Development of Academic
Programming in Higher Education: New Directions for
Institutional Research, Number 168. Retrieved from
https://books.google.co.ke/books?id=AdhsDAAAQBAJ&pg=PA
15&lpg=PA15&dq=employer+data+source+the+important+role+
of+institutional+data+in+the+development+of+academic+progr
ammes&source=bl&ots=RYh4THWSbA&sig=ACfU3U1HGhO4J
v3xv4ZsAQ6J1SQfe7mcrg&hl=en&sa=X&ved=2ahUKEwiVmsH
n3KfkAhVTShUIHbDxACcQ6AEwAHoECAkQAQ#v=onepage
&q=employer%20data%20source%20the%20important%20role
%20of%20institutional%20data%20in%20the%20development%
20of%20academic%20programmes&f=false
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Chapter 3
EXCAVATING AND LIFTING
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INTRODUCTIONExcavating and Lifting EquipmentAn
excavator is defined as a power-driven digging machine.The
major types of excavators used in earthmoving operations
include hydraulic excavators and the members of the cable-
operated crane-shovel family (shovels, draglines, hoes, and
clamshells). Dozers, loaders, and scrapers can also serve as
excavators.
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INTRODUCTIONExcavators and Crane ShovelsExcavator
Production
FIGURE 3-1. Hydraulic excavator. (Courtesy of Volvo
Construction Equipment North America, Inc.)
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INTRODUCTION
FIGURE 3-2. Crane-shovel mounting and revolving
superstructure. (U.S. Department of the Army)
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INTRODUCTION
Table 3-1. Bucket capacity rating methods
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INTRODUCTION
Table 3-2. Bucket fill factors for excavators
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HYDRAULIC EXCAVATORSOperation and EmploymentThe
original and most common form of hydraulically powered
excavator is the hydraulic excavator equipped with a hoe front
end. This machine is also called a hydraulic hoe or hydraulic
excavator-backhoe. A backhoe (or simply hoe) is an excavator
designed primarily for excavation below grade.
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HYDRAULIC EXCAVATORS
FIGURE 3-3. Components of a hydraulic excavator backhoe.
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HYDRAULIC EXCAVATORS
FIGURE 3-4. Telescoping-boom hydraulic excavator. (Courtesy
of JLG Industries, Inc.)
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HYDRAULIC EXCAVATORS
FIGURE 3-5. Mini-excavator. (Courtesy of JCB Inc.)
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HYDRAULIC EXCAVATORSProduction EstimatingJob
Management
Table 3-3. Standard cycles per hour for hydraulic excavators
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HYDRAULIC EXCAVATORS
Table 3-4. Swing-depth factor for backhoes
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HYDRAULIC EXCAVATORS
Table 3-5. Adjustment factor for trench production
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SHOVELSOperation and EmploymentProduction EstimatingJob
Management
FIGURE 3-6. Hydraulic shovel. (Courtesy of Kobelco
Construction Machinery America LLC)
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SHOVELS
FIGURE 3-7. Components of a hydraulic shovel.
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SHOVELS
FIGURE 3-8. Digging action of a hydraulic shovel.
FIGURE 3-9. Shovel approach methods.
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SHOVELS
Table 3-6. Standard cycles per hour for hydraulic shovels
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DRAGLINESOperation and EmploymentProduction
EstimatingJob Management
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DRAGLINES
FIGURE 3-10. Components of a dragline.
FIGURE 3-11. Dragline bucket.
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DRAGLINES
Table 3-7. Ideal dragline output—short boom [BCY/h
(BCM/h)]*. (This is a modification of data published in
Technical Bulletin No. 4, Power Crane and Shovel Association,
Bureau of CIMA, 1968.)
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DRAGLINES
Table 3-8. Optimum depth of cut for short boom. (This is a
modification of data published in Technical Bulletin No. 4,
Power Crane and Shovel Association, Bureau of CIMA, 1968.)
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DRAGLINES
Table 3-9. Swing-depth factor for draglines. (This is a
modification of data published in Technical Bulletin No. 4,
Power Crane and Shovel Association, Bureau of CIMA, 1968.)
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CLAMSHELLSProduction EstimatingJob Management
FIGURE 3-12. Most efficient digging area for a dragline.
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CLAMSHELLS
FIGURE 3-13. Components of a clamshell.
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TRENCHING AND TRENCHLESS TECHNOLOGYTrenching
Machines and PlowsTrenchless TechnologyVacuum Excavation
SystemsRepair and Rehabilitation of Pipelines
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-14. Clamshell bucket.
FIGURE 3-15. Orange peel bucket. (Courtesy of ESCO
Corporation)
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-16. Chain trencher. (Copyright © Vermeer
Manufacturing Company, All Rights Reserved)
FIGURE 3-17. Hydrostatic vibratory plow. (Copyright ©
Vermeer Manufacturing Company, All Rights Reserved)
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-18. Installing a utility line by pipe jacking.
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-19. Thrust boring machine with percussive action.
(Courtesy of TT Technologies, Inc.)
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-20. Installing a utility line by horizontal earth
boring.
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TRENCHING AND TRENCHLESS TECHNOLOGY
FIGURE 3-21. Vacuum excavator. (Photograph © Federal
Signal Corporation. Used by permission. All rights reserved.)
FIGURE 3-22. Schematic of pneumatic pipe bursting method.
(Courtesy of Earth Tool Company LLC)
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CRANESHeavy Lift CranesTower CranesJob Management
FIGURE 3-23. Components of a crane.
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CRANES
FIGURE 3-24. Large mobile hydraulic crane with telescoping
boom. (Courtesy of Manitowoc)
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CRANES
FIGURE 3-25. Crane load capacity chart. (Courtesy of
Manitowoc)
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CRANES
FIGURE 3-26. Large crawlermounted lattice-boom mobile
crane. (Courtesy of Manitowoc)
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CRANES
FIGURE 3-27. Crane with ring attachment. (Courtesy of
Manitowoc)
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CRANES
FIGURE 3-28. Tower crane on a building site. (Courtesy of
Manitowoc)
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CRANES
FIGURE 3-29. Major types of tower cranes.
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CRANES
FIGURE 3-30. Terminology of a horizontal jib tower crane.
(Courtesy of Manitowoc)
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CRANES
Table 3-10. Maximum capacity vs. lift radius for a tower crane
[pounds (kilograms)]
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CRANES
FIGURE 3-32. Crane boom attachments. (Reproduced with
permission from the Association of Equipment Manufacturers.)
https://www.youtube.com/watch?v=V6pWFfSaX3A
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Assignment 1
Construction Methods and Management, 8th Edition
Stephens W. Nunnally, University of Florida
Chapter 2 : Problems 1-7
Chapter 3: Problems 1 - 6
Chapter 4: Problems 1 - 4
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Chapter 4
LOADING AND HAULING
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ESTIMATING EQUIPMENT TRAVEL TIMEIn calculating the
time required for a haul unit to make one complete cycle, it is
customary to break the cycle down into fixed and variable
components.Cycle time = Fixed time + Variable timeFixed time
represents those components of cycle time other than travel
time.Variable time represents the travel time required for a unit
to haul material to the unloading site and return.
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ESTIMATING EQUIPMENT TRAVEL TIMERolling
ResistanceTo determine the maximum speed of a vehicle in a
specific situation, it is necessary to determine the total
resistance to movement of the vehicle. The resistance that a
vehicle encounters in traveling over a surface is made up of two
components, rolling resistance and grade resistance.Total
resistance = Grade resistance + Rolling resistance
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ESTIMATING EQUIPMENT TRAVEL TIME
Table 4-1. Typical values of rolling resistance factor
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ESTIMATING EQUIPMENT TRAVEL TIMEGrade
ResistanceGrade resistance represents that component of vehicle
weight which acts parallel to an inclined surface.When the
vehicle is traveling up a grade, grade resistance is
positive.When traveling downhill, grade resistance is negative.
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ESTIMATING EQUIPMENT TRAVEL TIMEEffective
GradeThe total resistance to movement of a vehicle (the sum of
its rolling resistance and grade resistance) may be expressed in
pounds or kilograms. However, a somewhat simpler method for
expressing total resistance is to state it as a grade (%), which
would have a grade resistance equivalent to the total resistance
actually encountered. This method of expressing total resistance
is referred to as effective grade, equivalent grade, or percent
total resistance and is often used in manufacturers’ performance
charts.
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ESTIMATING EQUIPMENT TRAVEL TIMEEffect of
AltitudeAll internal combustion engines lose power as their
elevation above sea level increases because of the decreased
density of air at higher elevations.Effect of TractionThe power
available to move a vehicle and its load is expressed as rimpull
for wheel vehicles and drawbar pull for crawler tractors.
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ESTIMATING EQUIPMENT TRAVEL TIME
Table 4-2. Typical values of coefficient of traction
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ESTIMATING EQUIPMENT TRAVEL TIMEUse of
Performance and Retarder Curves
FIGURE 4-1. Typical crawler tractor performance curve.
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ESTIMATING EQUIPMENT TRAVEL TIME
FIGURE 4-2. Wheel scraper performance curve. (Reprinted
Courtesy of Caterpillar Inc.)
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ESTIMATING EQUIPMENT TRAVEL TIME
FIGURE 4-3. Wheel scraper retarder curve. (Reprinted Courtesy
of Caterpillar Inc.)
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ESTIMATING EQUIPMENT TRAVEL TIMEEstimating Travel
Time
Table 4-3. Average speed factors
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ESTIMATING EQUIPMENT TRAVEL TIME
FIGURE 4-4. Scraper travel time—loaded. (Reprinted Courtesy
of Caterpillar Inc.)
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ESTIMATING EQUIPMENT TRAVEL TIME
FIGURE 4-5. Scraper travel time—empty. (Reprinted Courtesy
of Caterpillar Inc.)
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DOZERSTractors and DozersA tractor equipped with a front-
mounted earthmoving blade is known as a dozer or bulldozer. A
dozer moves earth by lowering the blade and cutting until a full
blade load of material is obtained. It then pushes the material
across the ground surface to the required location.
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DOZERS
FIGURE 4-6. Crawler tractor dozer. (Courtesy of New Holland
Construction)
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DOZERS
FIGURE 4-7. High-speed crawler dozer. (Courtesy of John
Deere Construction & Forestry Company)
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DOZERSDozer Blades
FIGURE 4-8. Common types of dozer blades.
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DOZERS
FIGURE 4-9. Dozer blade adjustment.
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DOZERSEstimating Dozer Production
Table 4-4. Typical dozer fixed cycle times
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DOZERS
Table 4-5. Typical dozer operating speeds
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LOADERSA tractor equipped with a front-end bucket is called a
loader, front-end loader, or bucket loader.
FIGURE 4-10. Articulated wheel loader with articulated hauler.
(Courtesy of Volvo Construction Equipment North America,
Inc.)
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LOADERS
FIGURE 4-11. Track loader. (Courtesy of John Deere
Construction & Forestry Company)
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LOADERS
FIGURE 4-12. Backhoe loader. (Courtesy of JCB Inc.)
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LOADERSTool CarriersSkid-Steer LoadersMaterial
HandlersEstimating Loader ProductionJob Management
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LOADERS
FIGURE 4-13. Skid-steer loader with backhoe attachment.
(Courtesy of the Bobcat Company)
FIGURE 4-14. Compact track loader. (Courtesy of the Bobcat
Company)
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LOADERS
FIGURE 4-15. Material handler. (Courtesy of JLG Industries,
Inc.)
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LOADERS
Table 4-6. Basic loader cycle time
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LOADERS
FIGURE 4-16. Travel time, wheel loader (haul + return).
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LOADERS
FIGURE 4-17. Multisegment loader bucket.
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SCRAPERSOperation and EmploymentScrapers are capable of
excavating, hauling, and dumping material over medium- to
long-haul distances. The scraper excavates (or cuts) by lowering
the front edge of its bowl into the soil. The bowl front edge is
equipped with replaceable cutting blades, which may be
straight, curved, or extended at the center (stinger arrangement).
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SCRAPERS
FIGURE 4-18. Twin-engine all-wheel drive scraper. (Reprinted
Courtesy of Caterpillar Inc.)
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SCRAPERS
FIGURE 4-19. Elevating scraper. (Reprinted Courtesy of
Caterpillar Inc.)
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SCRAPERS
FIGURE 4-20. Twin-hitch scraper loading. (Courtesy of CMI
Terex Corporation)
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SCRAPERS
FIGURE 4-21. Pull scraper. (Courtesy of John Deere &
Company)
FIGURE 4-22. Tandem pull-scrapers. (Courtesy of John Deere
& Company)
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SCRAPERSEstimating Scraper Production
Table 4-7. Scraper fixed time (min)
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SCRAPERSPush-Loading
FIGURE 4-23. Methods of push-loading scrapers.
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SCRAPERSOptimum Load Time
FIGURE 4-24. A load growth curve.
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SCRAPERS
FIGURE 4-25. Finding the optimum load time.
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SCRAPERSCalculating the Number of Pushers Required
Table 4-8. Typical pusher cycle time (min)
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SCRAPERSPush-Pull LoadingJob Management
FIGURE 4-26. Scraper application zones.
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TRUCKS AND WAGONSOperation and EmploymentTrucks and
wagons are still the most common forms of construction hauling
equipment. The heavy-duty rear-dump truck is most widely used
because of its flexibility of use and the ability of highway
models to move rapidly between job sites.
FIGURE 4-27. Forty-one-ton rear-dump truck. (Courtesy of
Volvo Construction Equipment North America, Inc.)
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TRUCKS AND WAGONS
FIGURE 4-28. All-wheel-drive articulated dump truck.
(Courtesy of CMI Terex Corporation)
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TRUCKS AND WAGONS
FIGURE 4-29. Bottom-dump wagon. (Courtesy of CMI Terex
Corporation)
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TRUCKS AND WAGONSDetermining the Number of Haul
Units NeededJob Management
Table 4-9. Spot, maneuver, and dump time for trucks and
wagons (min)
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Chapter 2
EARTHMOVING MATERIALS AND OPERATIONS
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INTRODUCTION TO EARTHMOVINGThe Earthmoving
ProcessEarthmoving is the process of moving soil or rock from
one location to another and processing it so that it meets
construction requirements of location, elevation, density,
moisture content, and so on.
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INTRODUCTION TO EARTHMOVINGEquipment SelectionThe
choice of equipment to be used on a construction project has a
major influence on the efficiency and profitability of the
construction operation.
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INTRODUCTION TO EARTHMOVINGProduction of
Earthmoving EquipmentThe basic relationship for estimating
the production of all earthmoving equipment is as
follows:Production = Volume per cycle * Cycles per hour
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INTRODUCTION TO EARTHMOVING
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EARTHMOVING MATERIALSSoil and RockGeneral Soil
Characteristics
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SOIL IDENTIFICATION AND CLASSIFICATIONSoil is
considered to consist of five fundamental material types: gravel,
sand, silt, clay, and organic material.
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SOIL IDENTIFICATION AND CLASSIFICATIONSoil
Classification SystemsTwo principal soil classification systems
are used for design and construction in the United States. These
are the Unified System and the AASHTO [American
Association of State Highway and Transportation Officials,
formerly known as the American Association of State Highway
Officials (AASHO)] System. In both systems, soil particles 3 in.
or larger in diameter are removed before performing
classification tests.
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SOIL IDENTIFICATION AND CLASSIFICATION
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SOIL IDENTIFICATION AND CLASSIFICATION
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SOIL IDENTIFICATION AND CLASSIFICATION
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SOIL IDENTIFICATION AND CLASSIFICATIONField
Identification of Soil (Unified System)Dry Strength
TestShaking TestConstruction Characteristics of Soils
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SOIL IDENTIFICATION AND CLASSIFICATION
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SOIL VOLUME-CHANGE CHARACTERISTICSSoil
ConditionsBank: Material in its natural state before disturbance.
Often referred to as “in-place” or “in situ.”A unit volume is
identified as a bank cubic yard (BCY) or a bank cubic meter
(BCM).Loose: Material that has been excavated or loaded. A
unit volume is identified as a loose cubic yard (LCY) or loose
cubic meter (LCM).Compacted: Material after compaction. A
unit volume is identified as a compacted cubic yard (CCY) or
compacted cubic meter (CCM).
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SOIL VOLUME-CHANGE
CHARACTERISTICSSwellShrinkageLoad and Shrinkage
Factors
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SOIL VOLUME-CHANGE CHARACTERISTICS
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SPOIL BANKSWhen planning and estimating earthwork, it is
frequently necessary to determine the size of the pile of
material that will be created by the material removed from the
excavation.If the pile of material is long in relation to its width,
it is referred to as a spoil bank.
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SPOIL BANKS
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SPOIL BANKSTriangular Spoil BankConical Spoil Pile
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ESTIMATING EARTHWORK VOLUMEWhen planning or
estimating an earthmoving project, it is often necessary to
estimate the volume of material to be excavated or placed as
fill. The procedures to be followed can be divided into three
principal categories: (1) pit excavations (small, relatively deep
excavations such as those required for basements and
foundations)(2) trench excavation for utility lines(3) excavating
or grading relatively large areasProcedures suggested for each
of these three cases are described in the following sections.
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ESTIMATING EARTHWORK VOLUMEPit ExcavationsTrench
ExcavationsLarge Areas
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ESTIMATING EARTHWORK VOLUME
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CONSTRUCTION USE OF THE MASS DIAGRAM
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CONSTRUCTION USE OF THE MASS
DIAGRAMCharacteristics of a Mass DiagramUsing the Mass
Diagram
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CONSTRUCTION USE OF THE MASS DIAGRAM
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Chapter 1
INTRODUCTION
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THE CONSTRUCTION INDUSTRYThe construction industry is
one of the largest industries in the United States, historically
accounting for about 10% of the nation’s gross national product
and employing some 10 million workers.It is widely recognized
that construction as a discipline is a combination of art and
science.
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THE CONSTRUCTION INDUSTRYConstruction
ContractorsCompanies and individuals engaged in the business
of construction are commonly referred to as construction
contractors because they operate under a contract arrangement
with the owner.
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THE CONSTRUCTION INDUSTRY
FIGURE 1-1. Construction of St. Louis Gateway Arch.
(Copyright © American Institute of Steel Construction, Inc.
Reprinted with permission. All rights reserved.)
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Construction Methods and Management, 8th ed.
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THE CONSTRUCTION INDUSTRYConstruction Industry
DivisionsThe major divisions of the construction industry
consist of building construction (also called “vertical
construction”) and heavy construction (also called “horizontal
construction”).
FIGURE 1-2. Distribution of U.S. new construction volume.
(Source: Bureau of the Census)
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THE CONSTRUCTION INDUSTRY
FIGURE 1-3. Modern building construction project.
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THE CONSTRUCTION INDUSTRY
FIGURE 1-4. Heavy construction project—Kennedy Space
Center launch complex. (U.S. Air Force photograph)
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THE CONSTRUCTION PROCESSProject Development and
Contract ProceduresThe major steps in the construction
contracting process include bid solicitation, bid preparation, bid
submission, contract award, and contract administration.
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THE CONSTRUCTION PROCESSFor major projects, steps in
the project development process include the
following:Recognizing the need for the project.Determining the
technical and financial feasibility of the project.Preparing
detailed plans, specifications, and cost estimates for the
project.Obtaining approval from regulatory agencies.
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THE CONSTRUCTION PROCESSHow Construction Is
AccomplishedConstruction employing an owner construction
force.Owner management of construction.Construction by a
general contractor.Construction using a design/build (turnkey)
contract.Construction utilizing a construction management
contract.
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THE CONSTRUCTION PROCESS
FIGURE 1-5. Construction employing owner construction
forces.
FIGURE 1-6. Owner-managed construction. [Either (a) or (b) or
both may be employed.]
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THE CONSTRUCTION PROCESS
FIGURE 1-7. Construction by a general contractor.
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THE CONSTRUCTION PROCESS
FIGURE 1-8. Construction employing a design/build firm.
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THE CONSTRUCTION PROCESS
FIGURE 1-9. Construction utilizing a construction management
contract.
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CODES AND REGULATIONSProjects constructed in most
areas of the United States must comply with a number of
governmental regulations. These include building codes, zoning
regulations, environmental regulations, and contractor licensing
laws, among others.
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CODES AND REGULATIONSBuilding CodesZoning,
Environmental, and Other Regulations
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STATE OF THE INDUSTRYConstruction ProductivityReducing
Construction CostsGood work planning.Carefully selecting and
training workers and managers.Efficiently scheduling labor,
materials, and equipment.Properly organizing work.Using
laborsaving techniques, such as prefabrication and
preassembly.Minimizing rework through timely quality
control.Preventing accidents through good safety procedures.
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CONSTRUCTION MANAGEMENTElements of Construction
ManagementQuality ManagementSafety and HealthOrganization
for ConstructionReasons for Construction Company FailureUse
of Computers
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CONSTRUCTION MANAGEMENT
FIGURE 1-10. Representative construction company
organization chart.
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CONSTRUCTION TRENDS AND PROSPECTSConstruction
TrendsProblems and Prospects
Katlyn
Table 1
Employer Expectations & Occupational Stats in Mathematics
Category of Data Source
Research
Employer expectations
- Students should develop the following skills: active learning,
communication, problem-solving, decision making, and systems
analysis (Zansler, n.d.)
- Certain positions are expected to be certified
· Actuaries need the Casualty Actuarial Society certification
· Financial analysts licensed by the Financial Industry
Regulatory Authority
- Graduates highly skilled using mathematical tools such as
graphing calc., map creation software, analytical software such
as Minitab and UNISTAT Statistical Pkg., and data scanners
- Typical entry-level education is a masters degree
- Basic understanding of computer programming
- Excellent understanding of statistics, calculus, and linear
algebra
Occupational Statistics
- Math occupation careers are expected to grow by 33% from
2016 to 2026 (Bureau of Labor Statistics, 2019)
- Will open over 50,000 more jobs
- The median annual wage of $88,190 in 2018
The expectations of employers in the mathematics field are
quite high. The majority of entry-level positions require a
Masters degree with basic computer programming skills and
excellent advanced math skills (Bureau of Labor Statistics,
2019). A BA in Math from Jamestown would not be enough for
many positions, but many of the employers desired soft and
technical skills are addressed in the program description such as
problem-solving, critical skills, and communication skills.
Jamestown college states that students will be prepared for
various careers post-graduation including mathematicians, math
teachers, actuaries, and financial analysts (Case Study Program
Overview, Jamestown College, 2017). The occupational
statistics of a career in mathematics show a positive future with
an expected growth of 33% within a ten-year period to amount
to over 50,000 more jobs (Bureau of Labor Statistics, 2019).
However, multiple career paths, such as actuaries and financial
analysts, are required to be licensed in entry-level positions.
Jamestown College attempts to address important aspects of
employer expectations to best prepare students for a bright
future in the occupation.
Both employer expectations and occupational statistics are
relevant in academic program evaluation. Alignment of an
institution’s programs with the correlating job industry is
pivotal to students’ future success. Employers do not want to
hire students in the mathematics field who do know understand
calculus or computer programming and have not developed the
necessary soft skills. The BA in Mathematics program was
created to produce graduates armed with the new knowledge and
skills of the field to be successful in the industry. Closing the
expectation gap between students and potential employers is
done by aligning a program with what is needed in the industry.
According to Jamestown College, its program to go to graduate
school (Case Study Program Overview, Jamestown College,
2017). The employer expectations for an entry-level job
typically requires a Masters degree, so the college is aligning
itself with what the industry requires. Occupational statistics
can aid in program evaluation as well because it provides the
necessary data of the field such as salaries, competitiveness,
occupation growth, and job outlook. Any jobs that are
disappearing or not part of the overall industry growth should
not be part of a developing program.
Reviewing the program outcomes and student outcomes, the
necessary entry-level skills in the mathematics field should be
included. If the average employer expectations are not
addressed by the college, then the evaluation shows a poorly
developed program. The importance of program alignment with
its career market is just as important as with the institutional
mission. For example, the student outcomes of a graduate from
the BA Math program should have “sophisticated math skills,
the capacity to apply mathematical abilities within real-world
contexts”, and the knowledge to use appropriate software (Case
Study Program Overview, Jamestown College, 2017, p. 2).
These outcomes are all elements of the employee expectations,
so the program is successful regarding student preparation. The
data from the occupational statistics should be reflected in the
career outcomes of the program. Careers that Jamestown
College lists are potential career paths post-graduation are all
part of the ten-year expected growth (Bureau of Labor
Statistics, 2019). Therefore, students are not attending college
in pursuit of a career that is disappearing and not needed in
modern society. To close the gap between graduates and
employers, students need to learn how to be successful at work
through the right type of assignments (Anderson, 2015). The
level of success for a graduate is defined by the school’s
programs and comparing the occupational statistics and
employer expectations only provide proof of the program’s
success or failure.
References
Anderson, R. (2015, September 9). Why college grads aren’t
meeting employer expectation. Retrieved
from https://www.linkedin.com/pulse/why-college-grads-arent-
meeting-employer-expectations-rania-anderson/
Bureau of Labor Statistics. (2019, April 12). Mathematicians
and statisticians. Retrieved from
https://www.bls.gov/ooh/math/mathematicians-and-
statisticians.htm
Case Study Program Overview, Jamestown College. (2017).
Retrieved from Southern New Hampshire University, HEA 540
Case Study, Program Evaluation Course, www.snhu.edu
Zansler, S. (n.d.). Career in mathematics. Retrieved
fromhttps://www.learnhowtobecome.org/careers-in-
mathematics/
Julia:
Hi everyone,
Employer expectations and occupational statistics can be used
to evaluate the Bachelor of Arts in Mathematics program at
Jamestown College. When considering alignment, how is the
Bachelor of Arts in Mathematics aligned with Jamestown
College’s goals on globalization? Additionally, how
competitive is the undergraduate Mathematics program? For the
College’s goal of globalization, they state that, “The school or
Arts and Sciences will continue to develop strategies that
sustain international relationships”(Mathematics Administration
and Faculty, Jamestown College, 2017, p. ?). A large majority
of students in the Mathematics program are earning C marks.
Local and global employers are looking for employees coming
out of a mathematics undergraduate program to not only have
mathematics skills but also computer skills (O*Net Online,
n.d.).
O*Net Online indicates that degree holders in the Mathematics
discipline are in high demand and job growth is expected to
increase (O*Net Online, n.d.). What could hold back the
Jamestown graduate from securing a position is that the College
does not have them taking any computers or electronics
courses. That expertise will be required of the entry level
employee. Employers are looking for their hires to have,
“knowledge of circuit boards, processors, chips, electronic
equipment, and computer hardware and software, including
applications and programming” (O*Net Online, n.d.). An area
in the existing Jamestown College curriculum where students
can get this hands-on experience is during their Capstone
project. The College has a goal around globalization and if that
goal has anything to do with the employability of their
graduates, they will need to find a way to get students the
hands-on experience they’ll need in industry.
In terms of competitiveness, on O*Net Online they indicate that
the largest proportion of degree holders working as
mathematicians hold Master’s Degrees at 38%, 33% hold
Doctoral Degrees and just 21% are working on just their
Bachelor’s Degree alone (O*Net Online, n.d.). O*Net continues
to assess that, “Employees may need some on-the-job training,
but most of these occupations assume that the person will
already have the required skills, knowledge, work-related
experience, and/or training” (O*Net Online, n.d.).
Employer expectations and occupational statistics
support that now is a good time for Jamestown College to be
engaged in a self-study in the Bachelor of Arts in Mathematics
program. Employees that have earned undergraduate degrees in
Mathematics are in demand and that demand is slated to
increase. The occupational statistics indicate that advanced
study may be needed to grow in the field, however at the entry-
level, some previous experience with computers will be
expected by local and global employers.
References
Mathematics Administration and Faculty, Jamestown College.
(2017). Retrieved from Southern New Hampshire University,
HEA 540 Case Study, Program Evaluation
Course, www.snhu.edu
“Summary Report for: 15-2021.00 - Mathematicians.” O*NET
OnLine, https://www.onetonline.org/link/summary/15-2021.00.
First Letter of Last Name
Categories of Data Sources to Explore in Initial Post
A-H
· Employer expectations
· Occupational statistics
I-N
· Professional competencies or credentialing
· Professional organizations
· Accrediting organizations
O-Z
· Legislators - local, state, and/or federal legislators and
legislation (e.g., regulations, funding)
*We use column A-H
*use other column to respond to peers
Discussion Rubric: Graduate
Your active participation in the discussion forums is essential to
your overall success this term. Discussion questions are
designed to help you make meaningful
connections between the course content and the larger concepts
and goals of the course. These discussions offer you the
opportunity to express your own
thoughts, ask questions for clarification, and gain insight from
your classmates’ responses and instructor’s guidance.
Requirements for Discussion Board Assignments
Students are required to post one initial post and to follow up
with at least two response posts for each discussion board
assignment.
For your initial post (1), you must do the following:
11:59 p.m.
Eastern Time.
ules Two through Ten, complete the initial post by
Thursday at
11:59 p.m. of your local time zone.
other
discussion boards from the current module and previous
modules, when
appropriate.
-reviewed sources to support your
discussion
points, as appropriate (using proper citation methods for your
discipline).
For your response posts (2), you must do the following:
es outside of your own
initial post
thread.
at 11:59
p.m. Eastern Time.
Sunday at
11:59 p.m. of your local time zone.
rate more depth and thought than simply stating “I
agree” or
“You are wrong.” Guidance is provided for you in each
discussion prompt.
Critical Elements Exemplary Proficient Needs Improvement
Not Evident Value
Comprehension Develops an initial post with an
organized, clear point of view or
idea using rich and significant
detail (100%)
Develops an initial post with a
point of view or idea using
appropriate detail (90%)
Develops an initial post with a
point of view or idea but with
some gaps in organization and
detail (70%)
Does not develop an initial post
with an organized point of view
or idea (0%)
20
Timeliness Submits initial post on time
(100%)
Submits initial post one day late
(70%)
Submits initial post two or more
days late (0%)
10
Engagement Provides relevant and
meaningful response posts with
clarifying explanation and detail
(100%)
Provides relevant response posts
with some explanation and
detail (90%)
Provides somewhat relevant
response posts with some
explanation and detail (70%)
Provides response posts that are
generic with little explanation or
detail (0%)
20
Critical Thinking Draws insightful conclusions that
are thoroughly defended with
evidence and examples (100%)
Draws informed conclusions that
are justified with evidence (90%)
Draws logical conclusions (70%) Does not draw logical
conclusions (0%)
30
Writing
(Mechanics)
Initial post and responses are
easily understood, clear, and
concise using proper citation
methods where applicable with
no errors in citations (100%)
Initial post and responses are
easily understood using proper
citation methods where
applicable with few errors in
citations (90%)
Initial post and responses are
understandable using proper
citation methods where
applicable with a number of
errors in citations (70%)
Initial post and responses are not
understandable and do not use
proper citation methods where
applicable (0%)
20
Total 100%
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Running Head External Sources of dataExternal Sourc.docx

  • 1. Running Head: External Sources of data External Sources of data Name of Student Institutional Affiliation Introduction In an attempt to establish the viability of a perceived opportunity, an academic program, or a rising student market in a particular field ought to be considered (Freeman et al.., 2016 p.27). Apart from the internal institutional data, external sources such as employer expectations and occupational statistics also normally act as relevant sources of data. The evaluation using external data sources is typically done to establish if the opportunity under evaluation exists and to determine whether they should introduce the institution to the chance. Academic program developers have always used this type of data sources to improve on specific programs to increase their effectiveness in the market place.
  • 2. Employer expectations When students apply for a particular course, their main concern is usually the job market. These observations are highly indicative of how many academic programs typically operate within the market place. When doing evaluations, educational program developers work highly depends on data collected from the employers through the advisory boards. The main aim of this is to ensure that the curriculum is significant and the students are most likely to get jobs after their graduation (Freeman et al.., 2016, p.15). Data relevant to the academic program One of the crucial data that can be obtained from the employers is the relevance and effectiveness of the programs in the career opportunities they offer. This types of data can accurately be obtained from the alumni who might provide vital information about how well the program prepared them for the career they are undertaking. Based on the study program overview, the students are expected to acquire problem-solving skills, computational abilities, think critically and creatively and also have excellent communication skills (Case Study Program Overview, Jamestown College, 2017). This skill is in rhyme with what most employees usually look for during employment. Occupational statistics Occupational statistics refers to the duties and responsibilities that come along with a job. They are mainly described in the job description, whereby the employers clearly outline the required technical skills for the job opportunity. This information proves essential for self-evaluation of applicants who automatically figure out if they are qualified or not. Academic program developers also use this information and compare it to a program being provided based on the performance of the students. The effectiveness of such programs is easily determined this way by deciding on which programs to do away with or expand them into specialized subfields (Freeman et al.., 2016, p.15).
  • 3. Data relevant to the academic program Some of the data that can be collected from these sources include the main opportunities that have so far been presented in the job market about the program and also the prospect. These statistics might be attained through research on the job market, which might provide an insight into the job market. However, the information might not correctly predict the future trends of the job market since the opportunities might decline depending on business needs and what the programs offer. Another type of data that might be collected is the skills required for particular opportunities. An example whereby Business Administration opportunities might require some skills that may or may not be offered by the institution. These requirements might necessitate the introduction of some programs as subfields to the main program that offers related programs. This intervention might provide the students with a competitive advantage over their peers in other institutions. Use of the Data Since the students usually look for the relevance of a course in the job market, trends on the enrollment in the program might shed some light on the importance of performance or significance of the program to students. The data collected on Jamestown Case study shows a decreasing trend meaning that fewer students are finding the program irrelevant or not fulfilling (Final Project Case Study, 2017). The improvement of the program based on the external data sources from students’ feedback report could show the areas that need to be improved, for example, guidelines in assignments and the delivery of the program units. The information from the alumni, on the other hand, could help demonstrate the importance of the nontechnical and technical skills acquired from the institution in the market place. An example of this is the problem-solving skills and creativity that are one of the major deliverables of the program (Case study Program Overview, Jamestown College, 2017). Their comments help reflect on the effectiveness of the program in preparing
  • 4. students for the job market on graduation. References Freeman, Chambers, C. R., & King, B. R. (2016). The Important Role of Institutional Data in the Development of Academic Programming in Higher Education: New Directions for Institutional Research, Number 168. Retrieved from https://books.google.co.ke/books?id=AdhsDAAAQBAJ&pg=PA 15&lpg=PA15&dq=employer+data+source+the+important+role+ of+institutional+data+in+the+development+of+academic+progr ammes&source=bl&ots=RYh4THWSbA&sig=ACfU3U1HGhO4J v3xv4ZsAQ6J1SQfe7mcrg&hl=en&sa=X&ved=2ahUKEwiVmsH n3KfkAhVTShUIHbDxACcQ6AEwAHoECAkQAQ#v=onepage &q=employer%20data%20source%20the%20important%20role %20of%20institutional%20data%20in%20the%20development% 20of%20academic%20programmes&f=false Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally Chapter 3 EXCAVATING AND LIFTING Copyright ©2011, 2006 by Pearson Education, Inc.
  • 5. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTIONExcavating and Lifting EquipmentAn excavator is defined as a power-driven digging machine.The major types of excavators used in earthmoving operations include hydraulic excavators and the members of the cable- operated crane-shovel family (shovels, draglines, hoes, and clamshells). Dozers, loaders, and scrapers can also serve as excavators. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTIONExcavators and Crane ShovelsExcavator Production FIGURE 3-1. Hydraulic excavator. (Courtesy of Volvo Construction Equipment North America, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION FIGURE 3-2. Crane-shovel mounting and revolving superstructure. (U.S. Department of the Army) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint]
  • 6. Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION Table 3-1. Bucket capacity rating methods Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION Table 3-2. Bucket fill factors for excavators Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORSOperation and EmploymentThe original and most common form of hydraulically powered excavator is the hydraulic excavator equipped with a hoe front end. This machine is also called a hydraulic hoe or hydraulic excavator-backhoe. A backhoe (or simply hoe) is an excavator designed primarily for excavation below grade. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORS FIGURE 3-3. Components of a hydraulic excavator backhoe.
  • 7. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORS FIGURE 3-4. Telescoping-boom hydraulic excavator. (Courtesy of JLG Industries, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORS FIGURE 3-5. Mini-excavator. (Courtesy of JCB Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORSProduction EstimatingJob Management Table 3-3. Standard cycles per hour for hydraulic excavators Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally
  • 8. HYDRAULIC EXCAVATORS Table 3-4. Swing-depth factor for backhoes Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally HYDRAULIC EXCAVATORS Table 3-5. Adjustment factor for trench production Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SHOVELSOperation and EmploymentProduction EstimatingJob Management FIGURE 3-6. Hydraulic shovel. (Courtesy of Kobelco Construction Machinery America LLC) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SHOVELS FIGURE 3-7. Components of a hydraulic shovel. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed.
  • 9. S. W. Nunnally SHOVELS FIGURE 3-8. Digging action of a hydraulic shovel. FIGURE 3-9. Shovel approach methods. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SHOVELS Table 3-6. Standard cycles per hour for hydraulic shovels Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DRAGLINESOperation and EmploymentProduction EstimatingJob Management Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DRAGLINES FIGURE 3-10. Components of a dragline. FIGURE 3-11. Dragline bucket. Copyright ©2011, 2006 by Pearson Education, Inc.
  • 10. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DRAGLINES Table 3-7. Ideal dragline output—short boom [BCY/h (BCM/h)]*. (This is a modification of data published in Technical Bulletin No. 4, Power Crane and Shovel Association, Bureau of CIMA, 1968.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DRAGLINES Table 3-8. Optimum depth of cut for short boom. (This is a modification of data published in Technical Bulletin No. 4, Power Crane and Shovel Association, Bureau of CIMA, 1968.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DRAGLINES Table 3-9. Swing-depth factor for draglines. (This is a modification of data published in Technical Bulletin No. 4, Power Crane and Shovel Association, Bureau of CIMA, 1968.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed.
  • 11. S. W. Nunnally CLAMSHELLSProduction EstimatingJob Management FIGURE 3-12. Most efficient digging area for a dragline. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CLAMSHELLS FIGURE 3-13. Components of a clamshell. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGYTrenching Machines and PlowsTrenchless TechnologyVacuum Excavation SystemsRepair and Rehabilitation of Pipelines Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-14. Clamshell bucket. FIGURE 3-15. Orange peel bucket. (Courtesy of ESCO Corporation)
  • 12. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-16. Chain trencher. (Copyright © Vermeer Manufacturing Company, All Rights Reserved) FIGURE 3-17. Hydrostatic vibratory plow. (Copyright © Vermeer Manufacturing Company, All Rights Reserved) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-18. Installing a utility line by pipe jacking. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-19. Thrust boring machine with percussive action. (Courtesy of TT Technologies, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally
  • 13. TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-20. Installing a utility line by horizontal earth boring. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRENCHING AND TRENCHLESS TECHNOLOGY FIGURE 3-21. Vacuum excavator. (Photograph © Federal Signal Corporation. Used by permission. All rights reserved.) FIGURE 3-22. Schematic of pneumatic pipe bursting method. (Courtesy of Earth Tool Company LLC) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANESHeavy Lift CranesTower CranesJob Management FIGURE 3-23. Components of a crane. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-24. Large mobile hydraulic crane with telescoping boom. (Courtesy of Manitowoc)
  • 14. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-25. Crane load capacity chart. (Courtesy of Manitowoc) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-26. Large crawlermounted lattice-boom mobile crane. (Courtesy of Manitowoc) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-27. Crane with ring attachment. (Courtesy of Manitowoc) Copyright ©2011, 2006 by Pearson Education, Inc.
  • 15. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-28. Tower crane on a building site. (Courtesy of Manitowoc) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-29. Major types of tower cranes. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-30. Terminology of a horizontal jib tower crane. (Courtesy of Manitowoc) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES Table 3-10. Maximum capacity vs. lift radius for a tower crane
  • 16. [pounds (kilograms)] Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CRANES FIGURE 3-32. Crane boom attachments. (Reproduced with permission from the Association of Equipment Manufacturers.) https://www.youtube.com/watch?v=V6pWFfSaX3A https://www.youtube.com/watch?v=kWTKWDfmUkI https://www.youtube.com/watch?v=AHZbhWG7RNE Assignment 1 Construction Methods and Management, 8th Edition Stephens W. Nunnally, University of Florida Chapter 2 : Problems 1-7 Chapter 3: Problems 1 - 6 Chapter 4: Problems 1 - 4 Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally Chapter 4
  • 17. LOADING AND HAULING Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEIn calculating the time required for a haul unit to make one complete cycle, it is customary to break the cycle down into fixed and variable components.Cycle time = Fixed time + Variable timeFixed time represents those components of cycle time other than travel time.Variable time represents the travel time required for a unit to haul material to the unloading site and return. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMERolling ResistanceTo determine the maximum speed of a vehicle in a specific situation, it is necessary to determine the total resistance to movement of the vehicle. The resistance that a vehicle encounters in traveling over a surface is made up of two components, rolling resistance and grade resistance.Total resistance = Grade resistance + Rolling resistance Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint]
  • 18. Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIME Table 4-1. Typical values of rolling resistance factor Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEGrade ResistanceGrade resistance represents that component of vehicle weight which acts parallel to an inclined surface.When the vehicle is traveling up a grade, grade resistance is positive.When traveling downhill, grade resistance is negative. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEEffective GradeThe total resistance to movement of a vehicle (the sum of its rolling resistance and grade resistance) may be expressed in pounds or kilograms. However, a somewhat simpler method for expressing total resistance is to state it as a grade (%), which would have a grade resistance equivalent to the total resistance actually encountered. This method of expressing total resistance is referred to as effective grade, equivalent grade, or percent total resistance and is often used in manufacturers’ performance charts.
  • 19. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEEffect of AltitudeAll internal combustion engines lose power as their elevation above sea level increases because of the decreased density of air at higher elevations.Effect of TractionThe power available to move a vehicle and its load is expressed as rimpull for wheel vehicles and drawbar pull for crawler tractors. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIME Table 4-2. Typical values of coefficient of traction Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEUse of Performance and Retarder Curves FIGURE 4-1. Typical crawler tractor performance curve. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally
  • 20. ESTIMATING EQUIPMENT TRAVEL TIME FIGURE 4-2. Wheel scraper performance curve. (Reprinted Courtesy of Caterpillar Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIME FIGURE 4-3. Wheel scraper retarder curve. (Reprinted Courtesy of Caterpillar Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIMEEstimating Travel Time Table 4-3. Average speed factors Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIME FIGURE 4-4. Scraper travel time—loaded. (Reprinted Courtesy of Caterpillar Inc.)
  • 21. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EQUIPMENT TRAVEL TIME FIGURE 4-5. Scraper travel time—empty. (Reprinted Courtesy of Caterpillar Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERSTractors and DozersA tractor equipped with a front- mounted earthmoving blade is known as a dozer or bulldozer. A dozer moves earth by lowering the blade and cutting until a full blade load of material is obtained. It then pushes the material across the ground surface to the required location. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERS FIGURE 4-6. Crawler tractor dozer. (Courtesy of New Holland Construction) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint]
  • 22. Construction Methods and Management, 8th ed. S. W. Nunnally DOZERS FIGURE 4-7. High-speed crawler dozer. (Courtesy of John Deere Construction & Forestry Company) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERSDozer Blades FIGURE 4-8. Common types of dozer blades. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERS FIGURE 4-9. Dozer blade adjustment. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERSEstimating Dozer Production Table 4-4. Typical dozer fixed cycle times Copyright ©2011, 2006 by Pearson Education, Inc.
  • 23. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally DOZERS Table 4-5. Typical dozer operating speeds Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERSA tractor equipped with a front-end bucket is called a loader, front-end loader, or bucket loader. FIGURE 4-10. Articulated wheel loader with articulated hauler. (Courtesy of Volvo Construction Equipment North America, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS FIGURE 4-11. Track loader. (Courtesy of John Deere Construction & Forestry Company) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS
  • 24. FIGURE 4-12. Backhoe loader. (Courtesy of JCB Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERSTool CarriersSkid-Steer LoadersMaterial HandlersEstimating Loader ProductionJob Management Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS FIGURE 4-13. Skid-steer loader with backhoe attachment. (Courtesy of the Bobcat Company) FIGURE 4-14. Compact track loader. (Courtesy of the Bobcat Company) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS FIGURE 4-15. Material handler. (Courtesy of JLG Industries, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint]
  • 25. Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS Table 4-6. Basic loader cycle time Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS FIGURE 4-16. Travel time, wheel loader (haul + return). Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally LOADERS FIGURE 4-17. Multisegment loader bucket. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSOperation and EmploymentScrapers are capable of excavating, hauling, and dumping material over medium- to long-haul distances. The scraper excavates (or cuts) by lowering the front edge of its bowl into the soil. The bowl front edge is equipped with replaceable cutting blades, which may be
  • 26. straight, curved, or extended at the center (stinger arrangement). Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERS FIGURE 4-18. Twin-engine all-wheel drive scraper. (Reprinted Courtesy of Caterpillar Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERS FIGURE 4-19. Elevating scraper. (Reprinted Courtesy of Caterpillar Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERS FIGURE 4-20. Twin-hitch scraper loading. (Courtesy of CMI Terex Corporation) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint]
  • 27. Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERS FIGURE 4-21. Pull scraper. (Courtesy of John Deere & Company) FIGURE 4-22. Tandem pull-scrapers. (Courtesy of John Deere & Company) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSEstimating Scraper Production Table 4-7. Scraper fixed time (min) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSPush-Loading FIGURE 4-23. Methods of push-loading scrapers. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSOptimum Load Time FIGURE 4-24. A load growth curve.
  • 28. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERS FIGURE 4-25. Finding the optimum load time. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSCalculating the Number of Pushers Required Table 4-8. Typical pusher cycle time (min) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SCRAPERSPush-Pull LoadingJob Management FIGURE 4-26. Scraper application zones. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRUCKS AND WAGONSOperation and EmploymentTrucks and wagons are still the most common forms of construction hauling equipment. The heavy-duty rear-dump truck is most widely used
  • 29. because of its flexibility of use and the ability of highway models to move rapidly between job sites. FIGURE 4-27. Forty-one-ton rear-dump truck. (Courtesy of Volvo Construction Equipment North America, Inc.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRUCKS AND WAGONS FIGURE 4-28. All-wheel-drive articulated dump truck. (Courtesy of CMI Terex Corporation) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRUCKS AND WAGONS FIGURE 4-29. Bottom-dump wagon. (Courtesy of CMI Terex Corporation) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally TRUCKS AND WAGONSDetermining the Number of Haul Units NeededJob Management Table 4-9. Spot, maneuver, and dump time for trucks and wagons (min)
  • 30. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally Chapter 2 EARTHMOVING MATERIALS AND OPERATIONS Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION TO EARTHMOVINGThe Earthmoving ProcessEarthmoving is the process of moving soil or rock from one location to another and processing it so that it meets construction requirements of location, elevation, density, moisture content, and so on. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION TO EARTHMOVINGEquipment SelectionThe choice of equipment to be used on a construction project has a major influence on the efficiency and profitability of the construction operation.
  • 31. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION TO EARTHMOVINGProduction of Earthmoving EquipmentThe basic relationship for estimating the production of all earthmoving equipment is as follows:Production = Volume per cycle * Cycles per hour Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally INTRODUCTION TO EARTHMOVING Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally EARTHMOVING MATERIALSSoil and RockGeneral Soil Characteristics Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATIONSoil is considered to consist of five fundamental material types: gravel,
  • 32. sand, silt, clay, and organic material. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATIONSoil Classification SystemsTwo principal soil classification systems are used for design and construction in the United States. These are the Unified System and the AASHTO [American Association of State Highway and Transportation Officials, formerly known as the American Association of State Highway Officials (AASHO)] System. In both systems, soil particles 3 in. or larger in diameter are removed before performing classification tests. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATION Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATION Copyright ©2011, 2006 by Pearson Education, Inc. publishing
  • 33. as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATION Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATIONField Identification of Soil (Unified System)Dry Strength TestShaking TestConstruction Characteristics of Soils Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL IDENTIFICATION AND CLASSIFICATION Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL VOLUME-CHANGE CHARACTERISTICSSoil ConditionsBank: Material in its natural state before disturbance. Often referred to as “in-place” or “in situ.”A unit volume is identified as a bank cubic yard (BCY) or a bank cubic meter (BCM).Loose: Material that has been excavated or loaded. A unit volume is identified as a loose cubic yard (LCY) or loose
  • 34. cubic meter (LCM).Compacted: Material after compaction. A unit volume is identified as a compacted cubic yard (CCY) or compacted cubic meter (CCM). Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL VOLUME-CHANGE CHARACTERISTICSSwellShrinkageLoad and Shrinkage Factors Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SOIL VOLUME-CHANGE CHARACTERISTICS Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SPOIL BANKSWhen planning and estimating earthwork, it is frequently necessary to determine the size of the pile of material that will be created by the material removed from the excavation.If the pile of material is long in relation to its width, it is referred to as a spoil bank. Copyright ©2011, 2006 by Pearson Education, Inc. publishing
  • 35. as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SPOIL BANKS Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally SPOIL BANKSTriangular Spoil BankConical Spoil Pile Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EARTHWORK VOLUMEWhen planning or estimating an earthmoving project, it is often necessary to estimate the volume of material to be excavated or placed as fill. The procedures to be followed can be divided into three principal categories: (1) pit excavations (small, relatively deep excavations such as those required for basements and foundations)(2) trench excavation for utility lines(3) excavating or grading relatively large areasProcedures suggested for each of these three cases are described in the following sections. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally
  • 36. ESTIMATING EARTHWORK VOLUMEPit ExcavationsTrench ExcavationsLarge Areas Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally ESTIMATING EARTHWORK VOLUME Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION USE OF THE MASS DIAGRAM Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION USE OF THE MASS DIAGRAMCharacteristics of a Mass DiagramUsing the Mass Diagram Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION USE OF THE MASS DIAGRAM
  • 37. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally Chapter 1 INTRODUCTION Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRYThe construction industry is one of the largest industries in the United States, historically accounting for about 10% of the nation’s gross national product and employing some 10 million workers.It is widely recognized that construction as a discipline is a combination of art and science. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRYConstruction ContractorsCompanies and individuals engaged in the business
  • 38. of construction are commonly referred to as construction contractors because they operate under a contract arrangement with the owner. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRY FIGURE 1-1. Construction of St. Louis Gateway Arch. (Copyright © American Institute of Steel Construction, Inc. Reprinted with permission. All rights reserved.) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRYConstruction Industry DivisionsThe major divisions of the construction industry consist of building construction (also called “vertical construction”) and heavy construction (also called “horizontal construction”). FIGURE 1-2. Distribution of U.S. new construction volume. (Source: Bureau of the Census) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRY
  • 39. FIGURE 1-3. Modern building construction project. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION INDUSTRY FIGURE 1-4. Heavy construction project—Kennedy Space Center launch complex. (U.S. Air Force photograph) Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESSProject Development and Contract ProceduresThe major steps in the construction contracting process include bid solicitation, bid preparation, bid submission, contract award, and contract administration. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESSFor major projects, steps in the project development process include the following:Recognizing the need for the project.Determining the technical and financial feasibility of the project.Preparing detailed plans, specifications, and cost estimates for the project.Obtaining approval from regulatory agencies.
  • 40. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESSHow Construction Is AccomplishedConstruction employing an owner construction force.Owner management of construction.Construction by a general contractor.Construction using a design/build (turnkey) contract.Construction utilizing a construction management contract. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESS FIGURE 1-5. Construction employing owner construction forces. FIGURE 1-6. Owner-managed construction. [Either (a) or (b) or both may be employed.] Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESS FIGURE 1-7. Construction by a general contractor. Copyright ©2011, 2006 by Pearson Education, Inc.
  • 41. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESS FIGURE 1-8. Construction employing a design/build firm. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally THE CONSTRUCTION PROCESS FIGURE 1-9. Construction utilizing a construction management contract. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CODES AND REGULATIONSProjects constructed in most areas of the United States must comply with a number of governmental regulations. These include building codes, zoning regulations, environmental regulations, and contractor licensing laws, among others. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally
  • 42. CODES AND REGULATIONSBuilding CodesZoning, Environmental, and Other Regulations Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally STATE OF THE INDUSTRYConstruction ProductivityReducing Construction CostsGood work planning.Carefully selecting and training workers and managers.Efficiently scheduling labor, materials, and equipment.Properly organizing work.Using laborsaving techniques, such as prefabrication and preassembly.Minimizing rework through timely quality control.Preventing accidents through good safety procedures. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION MANAGEMENTElements of Construction ManagementQuality ManagementSafety and HealthOrganization for ConstructionReasons for Construction Company FailureUse of Computers Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION MANAGEMENT
  • 43. FIGURE 1-10. Representative construction company organization chart. Copyright ©2011, 2006 by Pearson Education, Inc. publishing as Pearson [imprint] Construction Methods and Management, 8th ed. S. W. Nunnally CONSTRUCTION TRENDS AND PROSPECTSConstruction TrendsProblems and Prospects Katlyn Table 1 Employer Expectations & Occupational Stats in Mathematics Category of Data Source Research Employer expectations - Students should develop the following skills: active learning, communication, problem-solving, decision making, and systems analysis (Zansler, n.d.) - Certain positions are expected to be certified · Actuaries need the Casualty Actuarial Society certification · Financial analysts licensed by the Financial Industry Regulatory Authority - Graduates highly skilled using mathematical tools such as graphing calc., map creation software, analytical software such as Minitab and UNISTAT Statistical Pkg., and data scanners - Typical entry-level education is a masters degree
  • 44. - Basic understanding of computer programming - Excellent understanding of statistics, calculus, and linear algebra Occupational Statistics - Math occupation careers are expected to grow by 33% from 2016 to 2026 (Bureau of Labor Statistics, 2019) - Will open over 50,000 more jobs - The median annual wage of $88,190 in 2018 The expectations of employers in the mathematics field are quite high. The majority of entry-level positions require a Masters degree with basic computer programming skills and excellent advanced math skills (Bureau of Labor Statistics, 2019). A BA in Math from Jamestown would not be enough for many positions, but many of the employers desired soft and technical skills are addressed in the program description such as problem-solving, critical skills, and communication skills. Jamestown college states that students will be prepared for various careers post-graduation including mathematicians, math teachers, actuaries, and financial analysts (Case Study Program Overview, Jamestown College, 2017). The occupational statistics of a career in mathematics show a positive future with an expected growth of 33% within a ten-year period to amount to over 50,000 more jobs (Bureau of Labor Statistics, 2019). However, multiple career paths, such as actuaries and financial analysts, are required to be licensed in entry-level positions. Jamestown College attempts to address important aspects of employer expectations to best prepare students for a bright future in the occupation. Both employer expectations and occupational statistics are relevant in academic program evaluation. Alignment of an institution’s programs with the correlating job industry is pivotal to students’ future success. Employers do not want to hire students in the mathematics field who do know understand
  • 45. calculus or computer programming and have not developed the necessary soft skills. The BA in Mathematics program was created to produce graduates armed with the new knowledge and skills of the field to be successful in the industry. Closing the expectation gap between students and potential employers is done by aligning a program with what is needed in the industry. According to Jamestown College, its program to go to graduate school (Case Study Program Overview, Jamestown College, 2017). The employer expectations for an entry-level job typically requires a Masters degree, so the college is aligning itself with what the industry requires. Occupational statistics can aid in program evaluation as well because it provides the necessary data of the field such as salaries, competitiveness, occupation growth, and job outlook. Any jobs that are disappearing or not part of the overall industry growth should not be part of a developing program. Reviewing the program outcomes and student outcomes, the necessary entry-level skills in the mathematics field should be included. If the average employer expectations are not addressed by the college, then the evaluation shows a poorly developed program. The importance of program alignment with its career market is just as important as with the institutional mission. For example, the student outcomes of a graduate from the BA Math program should have “sophisticated math skills, the capacity to apply mathematical abilities within real-world contexts”, and the knowledge to use appropriate software (Case Study Program Overview, Jamestown College, 2017, p. 2). These outcomes are all elements of the employee expectations, so the program is successful regarding student preparation. The data from the occupational statistics should be reflected in the career outcomes of the program. Careers that Jamestown College lists are potential career paths post-graduation are all part of the ten-year expected growth (Bureau of Labor Statistics, 2019). Therefore, students are not attending college in pursuit of a career that is disappearing and not needed in
  • 46. modern society. To close the gap between graduates and employers, students need to learn how to be successful at work through the right type of assignments (Anderson, 2015). The level of success for a graduate is defined by the school’s programs and comparing the occupational statistics and employer expectations only provide proof of the program’s success or failure. References Anderson, R. (2015, September 9). Why college grads aren’t meeting employer expectation. Retrieved from https://www.linkedin.com/pulse/why-college-grads-arent- meeting-employer-expectations-rania-anderson/ Bureau of Labor Statistics. (2019, April 12). Mathematicians and statisticians. Retrieved from https://www.bls.gov/ooh/math/mathematicians-and- statisticians.htm Case Study Program Overview, Jamestown College. (2017). Retrieved from Southern New Hampshire University, HEA 540 Case Study, Program Evaluation Course, www.snhu.edu Zansler, S. (n.d.). Career in mathematics. Retrieved fromhttps://www.learnhowtobecome.org/careers-in- mathematics/
  • 47. Julia: Hi everyone, Employer expectations and occupational statistics can be used to evaluate the Bachelor of Arts in Mathematics program at Jamestown College. When considering alignment, how is the Bachelor of Arts in Mathematics aligned with Jamestown College’s goals on globalization? Additionally, how competitive is the undergraduate Mathematics program? For the College’s goal of globalization, they state that, “The school or Arts and Sciences will continue to develop strategies that sustain international relationships”(Mathematics Administration and Faculty, Jamestown College, 2017, p. ?). A large majority of students in the Mathematics program are earning C marks. Local and global employers are looking for employees coming out of a mathematics undergraduate program to not only have mathematics skills but also computer skills (O*Net Online, n.d.). O*Net Online indicates that degree holders in the Mathematics discipline are in high demand and job growth is expected to increase (O*Net Online, n.d.). What could hold back the Jamestown graduate from securing a position is that the College does not have them taking any computers or electronics courses. That expertise will be required of the entry level employee. Employers are looking for their hires to have, “knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming” (O*Net Online, n.d.). An area in the existing Jamestown College curriculum where students can get this hands-on experience is during their Capstone project. The College has a goal around globalization and if that goal has anything to do with the employability of their graduates, they will need to find a way to get students the
  • 48. hands-on experience they’ll need in industry. In terms of competitiveness, on O*Net Online they indicate that the largest proportion of degree holders working as mathematicians hold Master’s Degrees at 38%, 33% hold Doctoral Degrees and just 21% are working on just their Bachelor’s Degree alone (O*Net Online, n.d.). O*Net continues to assess that, “Employees may need some on-the-job training, but most of these occupations assume that the person will already have the required skills, knowledge, work-related experience, and/or training” (O*Net Online, n.d.). Employer expectations and occupational statistics support that now is a good time for Jamestown College to be engaged in a self-study in the Bachelor of Arts in Mathematics program. Employees that have earned undergraduate degrees in Mathematics are in demand and that demand is slated to increase. The occupational statistics indicate that advanced study may be needed to grow in the field, however at the entry- level, some previous experience with computers will be expected by local and global employers. References Mathematics Administration and Faculty, Jamestown College. (2017). Retrieved from Southern New Hampshire University, HEA 540 Case Study, Program Evaluation Course, www.snhu.edu “Summary Report for: 15-2021.00 - Mathematicians.” O*NET OnLine, https://www.onetonline.org/link/summary/15-2021.00. First Letter of Last Name Categories of Data Sources to Explore in Initial Post A-H · Employer expectations · Occupational statistics
  • 49. I-N · Professional competencies or credentialing · Professional organizations · Accrediting organizations O-Z · Legislators - local, state, and/or federal legislators and legislation (e.g., regulations, funding) *We use column A-H *use other column to respond to peers Discussion Rubric: Graduate Your active participation in the discussion forums is essential to your overall success this term. Discussion questions are designed to help you make meaningful connections between the course content and the larger concepts and goals of the course. These discussions offer you the opportunity to express your own thoughts, ask questions for clarification, and gain insight from your classmates’ responses and instructor’s guidance. Requirements for Discussion Board Assignments Students are required to post one initial post and to follow up with at least two response posts for each discussion board assignment. For your initial post (1), you must do the following:
  • 50. 11:59 p.m. Eastern Time. ules Two through Ten, complete the initial post by Thursday at 11:59 p.m. of your local time zone. other discussion boards from the current module and previous modules, when appropriate. -reviewed sources to support your discussion points, as appropriate (using proper citation methods for your discipline). For your response posts (2), you must do the following: es outside of your own initial post thread. at 11:59 p.m. Eastern Time. Sunday at 11:59 p.m. of your local time zone. rate more depth and thought than simply stating “I agree” or
  • 51. “You are wrong.” Guidance is provided for you in each discussion prompt. Critical Elements Exemplary Proficient Needs Improvement Not Evident Value Comprehension Develops an initial post with an organized, clear point of view or idea using rich and significant detail (100%) Develops an initial post with a point of view or idea using appropriate detail (90%) Develops an initial post with a point of view or idea but with some gaps in organization and detail (70%) Does not develop an initial post with an organized point of view or idea (0%) 20 Timeliness Submits initial post on time (100%) Submits initial post one day late (70%) Submits initial post two or more days late (0%)
  • 52. 10 Engagement Provides relevant and meaningful response posts with clarifying explanation and detail (100%) Provides relevant response posts with some explanation and detail (90%) Provides somewhat relevant response posts with some explanation and detail (70%) Provides response posts that are generic with little explanation or detail (0%) 20 Critical Thinking Draws insightful conclusions that are thoroughly defended with evidence and examples (100%) Draws informed conclusions that are justified with evidence (90%) Draws logical conclusions (70%) Does not draw logical conclusions (0%) 30
  • 53. Writing (Mechanics) Initial post and responses are easily understood, clear, and concise using proper citation methods where applicable with no errors in citations (100%) Initial post and responses are easily understood using proper citation methods where applicable with few errors in citations (90%) Initial post and responses are understandable using proper citation methods where applicable with a number of errors in citations (70%) Initial post and responses are not understandable and do not use proper citation methods where applicable (0%) 20 Total 100%