Construction workshop problems solutions manual

Construction & Mate d d




rials Related Topics
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Workshop Solutions d




Code: CICNS
d Spring 2015 d




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, SchooldofdPE WorkshopdQuestionsdanddSolutions




TABLE d OFd CONTENTS
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Preamble .................................................................................................................................3

WorkshopdQuestionsdanddSolutions .............................................................................................4

1. EarthworkdConstructiondanddLayout .................................................................................4

2. EstimatingdQuantitiesdanddCosts ....................................................................................19

3. ConstructiondOperationsdanddMethods ...........................................................................33

4. Scheduling .....................................................................................................................39

5. MaterialdQualitydControldanddProduction .........................................................................47

6. TemporarydStructures ....................................................................................................50

7. WorkerdHealth,dSafety,danddEnvironment........................................................................55

PracticedQuestion ..................................................................................................................57




Attention:
ThisdsymboldrepresentsdtopicsdwithindthedRefresherdCoursedthatdaredpartdofdth
edsubjectdmatterdwhichdwilldfurtherdhelpdyourdunderstanding.dThedinformationdi
sdintenteddfordself-
studydanddmaydnotdbedrevieweddduringdthedrefresherdcourse.dTakedadvantage
dofdyourdstudydtimedtodreviewdthedself-


studydquestionsdanddifdnecessary,daskdyourdinstructordtodprovidedadditionaldinformationdford
yourdunderstnading.



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, SchooldofdPE WorkshopdQuestionsdanddSolutions


PREAMBLE
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Thedmaterialdprovideddindthedrefresherdcoursedisdintendeddfordinstructionaldusedonly.dThedd
esigndcodedreferencedanddsolutiondtechniquesdaredadguidedfordinstruction.d Thedreferenced
materialdincludeddhereindshoulddnotdbeduseddasdadsoledsourcedfordthedPEdExamdand/ordengi
neeringdpractice.

ThedNCEESdprovidesdupdatedddesigndCodedstandardsdindpreparationdofdthedexamdanddth
atdshoulddbedthedsourcedfordyourduse.dVisitdthedNCEESdwebsitedfordthedmostdcurrentdinfor
mationdregardingdthedPEdExamdanddconfirmdtheddesigndstandardsduseddfordthedtestdconstr
uction.

Alldsolutiondstepsdhavedbeendvetteddanddaredprovideddfordeasedofdinstruction.dTheredaredm
anydmethodsdthatdcandbeduseddtodarrivedatdadsolutiondwhichdfitdyourdspecificdeducationaldbac
kgrounddanddexperience.d Alternatedmethodsdanddcomputationaldtechniquesdbaseddondyo
urdfamiliaritydshoulddbedused.




Note: The intent of the workshop is to simulate the exam conte
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nt with questions of equal complexity.
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Each of the que d d d



stions is designed with a variable time-to-complete.
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The“six- d



minute rule” should not apply to each question. Time manage
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ment is an important key during the exam. Practice the strateg
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y to examine the grouping of questions and start with the perce
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ived easiest first.
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Not all questions may be reviewed due to time constraints during thew
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orkshop assignment. d




Solutions are available for download 24-
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hours after the completion ofthe refresher class.
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ers.
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, SchooldofdPE WorkshopdQuestionsdanddSolutions


WORKSHOP d QUESTIONS d ANDd SOLUTIONS
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1.d EARTHWORK d CONSTRUCTION d ANDd LAYOUT

1. - Question d 130,000-
yd3 of banked soil from a borrow pit is stockpiled before being trucked to the
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jobsite. The soil has 18% swell andshrinkage of 8%. The final volume of the
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compacted soil is most nearly:
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a. 119,600-yd3
d


b. 124,600-yd3
d


c. 125,400-yd3
d


d. 135,400-yd3
d




Solution:

Shrinkagedisdmeasureddwithdrespectdtodthedbankdcondition.d

Vdcompactedd =d(100%d-d%dshrinkage)dVdbank
100%

Vdcompactedd=d(100%d-8%)d(130,000-yds3)d=d119,600-
yd3d(answer)d100%

2. - Question d A 30- d


ft wide trapezoidal shaped earthen stream diversion channel is cut along a
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2-
mile stretch of rolling level terrain. The depth of the channel at station 52+2
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5 is 8’-6” deep and at station 53+75 is12’-
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6” deep. The bottom of the channel is a constant 12-
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ft wide and parallel with the surface cut. The volume of excavated material
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between the referenced stations is most nearly:
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a. d 1,225-yd3
b. d 1,225-ft3
c. d 1,415-yd3
d. d 32,225-ft3
Solution:dStepd1:dCalculatedtheddistancedbetweendstations:d53+7
5d–d52+25d =d 150-ft

Stepd2:dSketchdandddeterminedthedtrapezoidaldEnddAreadatdthedstations:
Stad52+25 Aread=dAd=d((ad+b)h)d÷d2d=d((30-ftd+d12-ft)8.5-ft)d÷d2d=d178.5-

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ThisdcopydisdgivendtodthedfollowingdstudentdasdpartdofdSchooldofdPEdcourse.dNotdalloweddtoddistributedtodoth
ers.
DandMesterd()