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Erosion and Sediment Control exam questions with correct answers rated a+

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Exam (elaborations)

Erosion and Sediment Control exam questions with correct answers rated a+

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26 pages

2025/2026

Institution Virginia Erosion And Sediment Control Inspector

Course Virginia Erosion and Sediment Control Inspector

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Erosion and Sediment Control exam questions with correct answers rated a+

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Erosion and Sediment Control exam
questions with correct answers rated
a+
MinimumnStandardn1n-nCORRECTnANSWERSnStabilization

permanentnorntemporarynsoilnstabilizationnshallnbenappliedntondenudednareasnwithinnsevenndaysna
fternfinalngradenisnreachednonnanynportionnofnthensite;ntemporarynsoilnstabilizationnshallnbenappliedn
withinnsevenndaysntondenudednareasnthatnmaynnotnbenatnfinalngradenbutnwillnremainndormantnfornl
ongernthann14ndays;npermanentnstabilizationnshallnbenappliedntonareasnthatnarentonbenleftndormant
nfornmorenthannonenyear

SitenNOTnatnFinalnGraden-nCORRECTnANSWERSn-nstabilizeninn14ndays

-ntemporarilynseed

-nmulch

-npermanentlynstabilizenifndormantn>n1nyear

SitenatnFinalnGraden-nCORRECTnANSWERSn-nstabilizeninn7ndaysn(recommendednimmediately)

-npermanentlynorntemporarilynseednandnmulch

-nmulch/matting/straw

MinimumnStandardn2n-nCORRECTnANSWERSnStocknPiles,nWastenandnBorrownAreas

duringnconstruction,nsoilnstocknpilesnandnborrownareasnshallnbenstabilizednornprotectednwithnsedim
entntrappingnmeasures

mulchnpreventsnerosionnbynprotectingnthensurfacenfromnraindropnimpactnandnsiltnfenceninterceptsn
andndetainsnfromndisturbednareas

,MinimumnStandardn3n-nCORRECTnANSWERSnPermanentnVegetation

permanentnvegetationncovernshallnbenestablishednonndenudednareasnnotnotherwisenpermanentlyn
stabilizedn(permanentnvegetationnshallnnotnbenconsiderednestablishednuntilnangroundncovernisnachi
evednthatnisnuniform,nmaturenenoughntonsurvive,nandnwillninhibitnerosionn*therenisnnon%nassociate
dnwithnthis*)n

reducenerosionnandndecreasensedimentnyieldnfromndisturbednarea

thisnisnthenstandardnusedntonverifynthatnansitenisnreadynfornreleasenofnbondsnornsurety

MinimumnStandardn4n-nCORRECTnANSWERSnFirst-StepnMeasures

Sedimentnbasinsnandntraps,nperimeterndikes,nsedimentnbarriersnandnothernmeasuresnintendedntont
rapnsedimentnshallnbenconstructednasnanfirstnstepninnanynland-
disturbingnactivitynandnshallnbenmadenfunctionalnbeforenupslopenlandndisturbancentakesnplace

ancertainnamountnofninitialnlandndisturbancenmaynbenrequiredntonprovidenaccessnfornequipmentnton
installnthenperimeterncontrols,nbutnsitenclearingnandngradingnshouldnbenkeptntonanminimumnuntilnth
enperimeterncontrolsnareninnplace

interceptsnandndetainsnsmallnamountsnofnsedimentnfromndisturbednareasnduringnconstructionnope
rationntonpreventnsedimentnfromnleavingnthensitenandndecreasenvelocitynofnsheetnflowsnandnlow-
to-moderatenlevelnchannelnflow

PerimeternControlsn-
nCORRECTnANSWERSnassuresnthatnsedimentndoesnnotnleaventhenperimeternofnthenland-

disturbingnareanoncensitenclearing,ngrading,nandnconstructionncommences

, Examples:nsiltnfences,nsedimentntraps,nsedimentnbasins,nconstructionnentrance,ntemporaryndiversi
ons,ndiversions

MinimumnStandardn5n-nCORRECTnANSWERSnEarthennStructurenStabilization

stabilizationnmeasuresnshallnbenappliedntonearthennstructuresnsuchnasndams,ndikes,nandndiversionsn
immediatelynafterninstallation

reducenerosionnandnsedimentationnandnreducendamagenfromnsedimentnandnrunoffntondownstrea
mnornoff-sitenareas

MinimumnStandardn6n-nCORRECTnANSWERSnTrapsnandnBasins

sedimentntrapsnandnbasinsnshallnbendesignednandnconstructednbasednuponnthentotalndrainagenarea
n(notnjustndisturbednarea)ntonbenservednbynthentrapnornbasin

SedimentnTrapsn-
nCORRECTnANSWERSnminimumnstoragencapacitynshallnben134ncubicnyardsnpernacrenofndrainagenare

anandnshallnonlyncontrolndrainagenareasnlessnthann3nacres

*stonenoutletn=ntrap*

SedimentnBasinsn-
nCORRECTnANSWERSnsurfacenrunoffnfromndisturbednareasnthatnisncomprisednofnflownfromndrainag

enareasngreaternthannornequalnton3nacresnshallnbencontrollednbynanbasin;nminimumnstoragencapacity
nofnansedimentnbasinnshallnben134ncubicnyardsnpernacrenofndrainagenarea;nthenoutfallnsystemnshall,na

tnanminimum,nmaintainnthenstructuralnintegritynofnthenbasinnduringnan25-yearnstormnofn24-
hournduration;nrunoffncoefficientsnusedninnrunoffncalculationsnshallncorrespondntonanbarenearthnco
nditionnornthosenconditionsnexpectedntonexistnwhilenthensedimentnbasinnisnutilized.

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Uploaded on: November 16, 2025
Number of pages: 26
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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