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上傳時(shí)間:2024-03-12
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簡介:3350英文單詞,英文單詞,17500英文字符,中文英文字符,中文5300字文獻(xiàn)出處文獻(xiàn)出處DZIADOSZA,TOMCZYKA,KAPLI?SKIOFINANCIALRISKESTIMATIONINCONSTRUCTIONCONTRACTSJPROCEDIAENGINEERING,2015,122120128FINANCIALRISKESTIMATIONINCONSTRUCTIONCONTRACTSAGNIESZKADZIADOSZ,ANDRZEJTOMCZYK,OLEGKAPLI?SKIABSTRACTRISK,ASAFACTORADVERSELYAFFECTINGTHEPROJECT,ISTAKENINTOACCOUNTASEARLYASATTHEFIRSTSTAGEOFTHEINVESTMENTPROCESSWHENTHETENDERISWONFORACONTRACTTHERISKLEVEL,IDENTIFIEDFORAPARTICULARCONSTRUCTIONCONTRACT,ISASERIOUSFACTORINFLUENCINGTHEDECISIONABOUTACCEPTINGTHECONTRACTORNOTTHEKEYISSUEISPROPERIDENTIFICATIONOFCONTRACTRISKTHERISKFACTORSWHICHHAVEASIGNIFICANTIMPACTONTHESUCCESSOFTHEPROJECT,ANDAREMOSTCOMMONONES,ARETHENANALYZEDTHEMETHODOFVERIFICATIONDEPENDSONTHECOMPANYSEXPERIENCEINTHECONSTRUCTIONINDUSTRYTHETASKOFTHEARTICLEISTOPRESENTTHERESULTSOFSTUDIESFOCUSEDONSEPARATINGANDDETERMININGTHEFREQUENCYOFFINANCIALRISKFACTORSINCONSTRUCTIONPROJECTSANDTHEIRIMPACTONPROJECTIMPLEMENTATIONWEHAVEANALYZED30CONSTRUCTIONPROJECTSOFFICEBUILDINGS,PRODUCTIONHALLS,EDUCATIONALBUILDINGS,DEMOLITIONWORKS,ETCCOMPLETEDINNORTHWESTERNPOLANDTHEDEGREEOFRISKPLANNEDANDREALFORTHECONTRACTWASSETASAPERCENTAGEINRELATIONTOTHESIZEOFCONTRACTCOSTSINMILLIONPLNTHEAIMOFTHESTUDYWASTOVERIFYTHEEXISTENCEOFRELATIONSHIPBETWEENTHEKINDOFSTRUCTURE,THESIZEOFCONTRACT,ANDTHESCOPEANDDEGREEOFRISKSTATISTICALAPPROACHHASBEENUSEDTHISSTUDYISAPRELUDETODETERMININGTHECONTRACTRISKSIDENTIFICATIONPROCEDUREIE,ESTIMATINGRESERVESTOBEUSEDINUNFORESEENCIRCUMSTANCESSOTHATTHECOMPANYCOULDBECOMPETITIVE,ANDTHEPRICEOFFERTOBEPROVIDEDTOINVESTORSCOULDBEADVANTAGEOUSKEYWORDSCONSTRUCTIONCONTRACTS,RISKMANAGEMENT,FINANCIALRISK,DECISIONMAKINGPROCESSINCONSTRUCTIONPROJECT1INTRODUCTIONPROJECTPLANNING,IFITISTOBEEFFICIENTLYIMPLEMENTED,REQUIRESMAKINGANUMBEROFDECISIONSTHATHAVETHEIRFINALEINTHESMOOTHRUNNINGOFCONSTRUCTIONWORKTHISISPOSSIBLETHANKSTOEXAMININGAPROJECTFROMITSMANYASPECTSANDANGLES,ALSOINTERMSOFLIKELIHOODOFADVERSESITUATIONSIE,RISKFACTORSTHERISK,ASAFACTORADVERSELYAFFECTINGTHEPROJECT,ISWEIGHEDATTHEFIRSTSTAGEOFTHEINVESTMENTPROCESS,NAMELYATTHESTAGEOFWINNINGACONTRACTTHROUGHTENDERINVIEWOFTHESITUATIONINTHECONSTRUCTIONINDUSTRY,WHERETHEMAINAIMISTOMINIMIZETHECOSTSOFCONSTRUCTIONWORK,ASWELLASTOGRADUALLYDECREASETHEPRICESFORCONSTRUCTIONWORK,PROCURINGANOFFERFORCONSTRUCTIONWORKISVERYDIFFICULTONTHEONEHAND,ACONSTRUCTIONCOMPANYTRIESTOMAXIMIZETHEPROFITINORDERTOSECUREFUNDSFORNEWINVESTMENTS,ANDCOVERPOSSIBLEEXPENSESASSOCIATEDWITHTHEOCCURRENCEOFRISKFACTORSDURINGCONSTRUCTIONONTHEOTHERHAND,ACONSTRUCTIONCOMPANYTRIESTOBECOMPETITIVEANDTRIESGIVETHEINVESTORTHEBESTPRICEOFFERTHEFOLLOWINGQUESTIONARISES–ATWHATLEVELRISKSHOULDBETAKENINCASEOFAPARTICULARCONTRACTINORDERTOWINTHETENDERANDTOSECUREFUNDINGFORRISKSWHICHAREVERYDIFFICULTTOASSESSINTHECOURSEOFPROJECTIMPLEMENTATION,DIFFERENTSITUATIONSMAYOCCURWHICH,ATFIRSTGLANCE,MAYSEEMUNFAVOURABLEBUT,INCONSEQUENCE,MAYBRINGFINANCIALSAVINGSDUETOTHECHANGESOFCONSTRUCTIONTECHNIQUES,WORKSCOPEORCHANGESINORGANIZATIONCONSTRUCTIONCOMPANIESUSUALLYANALYZEMOSTCOMMONRISKFACTORS,ANDEXCLUDEDFROMTHEAGREEMENTYOUCANALSOAGREEWITHINVESTORSTHATINCLUDINGRISKSINTHECOSTISANUNNECESSARYMULTIPLICATIONOFCOSTSANDANUNNECESSARYBURDENONTHEBUDGETOFTHEPROJECTITCONCERNSCASESWHERERISKSMAYNOTOCCURATALLORTHEOCCURRENCEOFRISKSCANBEREDUCEDINCOLLABORATIONWITHTHEINVESTORTHEMOSTCOMMONTYPESOFCONTRACTSAREALUMPSUMCONTRACT,AQUANTITYSURVEYCONTRACT,ANDGMPGUARANTEEDMAXIMUMPRICECONTRACTTHEFIRSTISUSEDQUITEOFTENBYPRIVATEINVESTORSANDALMOSTALWAYSBYTHEPUBLICINVESTORSINPRINCIPLE,THECONTRACTORBEARSALLTHERISKSINTHISTYPEOFAGREEMENTAND,THEREFORE,THECONTRACTORSHOULDINCLUDEEVERYTHINGINTHEOFFERITISQUITEDIFFICULTBECAUSENOTEVERYTHINGCANBEPREDICTEDFIRSTLY,ITRESULTSINPRICEINCREASESINCETHECONTRACTORMUST,AFTERALL,PROVIDEADDITIONALFINANCIALRESOURCESTOCOVERTHEUNEXPECTEDCOSTSAND,SECONDLY,IFTHISISNOTDONEPROBLEMSWITHLIQUIDITYDURINGTHEEXECUTIONOFTHECONTRACTMAYOCCURINTHEORY,SUCHPROBLEMSDONOTCONCERNINVESTORS,BUTONLYAPPARENTLYWHENTHEREAREPROBLEMSWITHPROJECTFINANCING,THECONTRACTORSEEKSAREMEDY,USINGDIFFERENTALTERNATIVEPLANSUSUALLY,QUALITYSUFFERSOFTENTHEDEADLINEHASTOBESHIFTEDDESPITETHEUSEOFPENALTIESAGAINSTTHECONTRACTOR,LOSSESASSOCIATEDWITHTHESUBSEQUENTCOMPLETIONOFINVESTMENTSAREDIFFICULTTOESTIMATEANDDISPROPORTIONATETOTHEPENALTIESIMPOSED,OFTENLARGERTHANMAYSEEMFROMTHEPENALTIESACOURTSETTLEMENTASANOPTIONISNOTALWAYSPROFITABLECOURTPROCEEDINGSMAYBELONG,ANDTHEOUTCOMEUNCERTAININACONTRACTBASEDONUNITPRICES,SERIOUSRISKSASSOCIATEDWITHTHEQUANTITIESOFMATERIALSANDLABOURAREMARGINALITGREATLYFACILITATESSUBMITTINGTHEOFFERANDMINIMIZESTHERISKSERRORSASSOCIATEDWITHTHEBILLOFQUANTITIESOCCURINAHALFTHESTUDIEDCONTRACTSIN30ANALYZEDCASES,ERRORSOCCURREDIN16REPRESENTING533,WHILEFOR29CONTRACTS,ITWAS5152THELEASTRISKSAREASSOCIATEDWITHAGMPCONTRACTTHERE,WORKINGACCORDINGTOANOPENBOOKPRINCIPLE,THECONTRACTORANDTHEINVESTORCOLLABORATEINORDERTOOPTIMIZECOSTSANDJOINTLYSELECTSUBCONTRACTORS3RISKINACONSTRUCTIONPROJECTRISK,ORMEASURABLEPARTOFUNCERTAINTY,SHOULDBETREATEDASANOPPORTUNITYTODEVIATEFROMTHEDESIREDLEVELTHEREFORE,POSITIVEDEVIATIONACHANCEANDNEGATIVEALOSSMUSTBETAKENINTOACCOUNTRAFTE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下載積分: 10 賞幣
上傳時(shí)間:2024-03-16
頁數(shù): 18
大?。?0.17(MB)
子文件數(shù):
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簡介:4800英文單詞,英文單詞,26500英文字符英文字符,中文中文8200字文獻(xiàn)出處文獻(xiàn)出處BAKHSHIP,TOURANAANOVERVIEWOFBUDGETCONTINGENCYCALCULATIONMETHODSINCONSTRUCTIONINDUSTRYJPROCEDIAENGINEERING,2014,855260ANOVERVIEWOFBUDGETCONTINGENCYCALCULATIONMETHODSINCONSTRUCTIONINDUSTRYPAYAMBAKHSHI,ALITOURANABSTRACTDUETORISKSANDUNCERTAINTIESASSOCIATEDWITHCONSTRUCTIONPROJECTS,OWNERAGENCIESUSUALLYADDARESERVEAMOUNTTOTHEESTIMATEDPROJECTCOSTTHISRESERVEAMOUNT,KNOWNASCONTINGENCY,ISTOABSORBTHEMONETARYIMPACTOFTHERISKS/UNCERTAINTIESANDTOPREVENTCOSTOVERRUNOVERTHEPASTTWODECADES,MANYCONTINGENCYCALCULATIONMETHODSFORCONSTRUCTIONPROJECTSHAVEBEENINTRODUCEDBYPRACTITIONERSANDRESEARCHERSTHESEMETHODSCANBERANGEDFROMSIMPLYCONSIDERINGAPERCENTAGEOFTHEPROJECTBASECOSTTOCOMPLEXMATHEMATICALMETHODSEACHOFTHESEMETHODSSUGGESTSANAPPROACHFORCALCULATINGCONTINGENCYUSINGDIFFERENTASSUMPTIONSTHEQUESTIONISWHICHONEOFTHESEMETHODSSHOULDBEAPPLIEDTOACERTAINPROJECTATASPECIFICPHASEKNOWINGTHEADVANTAGESANDDISADVANTAGESOFEACHMETHODCANHELPPRACTITIONERSINCONSTRUCTIONINDUSTRYSELECTTHEBESTMETHODBASEDUPONTHEIRPROJECTCHARACTERISTICS,BUDGET,ANDTIMETHISPAPERCOMPILESALMOSTALLCONTINGENCYCALCULATIONSMETHODSANDDIVIDESTHEMINTOTHREEMAINCATEGORIESOF1DETERMINISTICMETHODS,2PROBABILISTICMETHODS,AND3MODEMMATHEMATICALMETHODSEACHOFTHESECATEGORIESARETHENDIVIDEDINTOMORESUBCATEGORIESANDDISCUSSEDINDETAILKEYWORDSCONTINGENCYBUDGETRISKDETERMINISTICPROBABILISTICMONTECARLOSIMULATION1INTRODUCTIONOWNERSUSUALLYNEEDTOHAVEANACCURATEEARLYCOSTESTIMATEFORTHEIRPROJECTSINORDERTOPROVIDESUFFICIENTBUDGETFORPROJECTSRISKSANDUNCERTAINTIESASSOCIATEDWITHAPROJECTAREIMPEDIMENTSTOREACHANACCURATECOSTESTIMATEFORINSTANCE,NEARLY50OFTHELARGEACTIVETRANSPORTATIONPROJECTSINTHEUNITEDSTATESOVERRANTHEIRINITIALBUDGETS30TOOVERCOMETHECOSTOVERRUNISSUE,IDENTIFYINGPROJECTRISKFACTORSANDCOSTESCALATIONFACTORSHAVEBEENTHESUBJECTOFMUCHRESEARCH32TOABSORBTHECOSTIMPACTOFTHESERISKFACTORS,ACONTINGENCYBUDGETISADDEDTOTHETOTALPROJECTBUDGETTHISMEANSTHATATOTALCOSTOFPROJECTISBROKENDOWNTO1BASECOST,AND2CONTINGENCYCOSTBASECOSTISTHECOSTOFPROJECTWHICHISNOTINCLUDINGCONTINGENCY35THESEARECERTAINCOSTITEMSOFAPROJECTWITHAGIVENSCOPENECESSARYTOPHYSICALLYDELIVERTHEPROJECTCONTINGENCYISDEFINEDASARESERVEBUDGETFORCOPINGWITHRISKSANDUNCERTAINTIESANDTOHELPKEEPTHEPROJECTSONBUDGETCONTINGENCYISTRADITIONALLYESTIMATEDASAPREDETERMINEDPERCENTAGEOFPROJECTBASECOSTDEPENDINGONTHEPROJECTPHASEINRECENTYEARS,SOMEAGENCIESHAVESTARTEDCONDUCTINGFORMALPROBABILISTICRISKASSESSMENTTOESTIMATECONTINGENCYBUDGETRATHERTHANDETERMINISTICAPPROACH34HOWEVER,TOESTABLISHTHECONTINGENCYBUDGET,ANAGENCYMUSTMAKEALLEFFORTSTOSETASIDEABUDGETWHICHISOPTIMIZEDTHISBECOMESMOREIMPORTANTWHENANAGENCYISDEALINGWITHAPORTFOLIOOFPROJECTSALLOCATIONOFANEXCESSBUDGETFORAPROJECTWILLUSEUPTHEMONEYTHATCANBESPENTONOTHERPROJECTSFORINSTANCETHECURRENTAPPROACHUSEDBYTHEUSFEDERALTRANSITADMINISTRATIONFTATOESTIMATETHECONTINGENCYBUDGETINTRANSITPROJECTSCALLEDTOPDOWNMODELISBASEDUPONAPROBABILISTICMETHODUSINGLOGNORMALDISTRIBUTIONSFORDIFFERENTCOSTCATEGORIESINTHEPROJECTHOWEVER,THEWAYTHATCOSTCATEGORIESARERANGEDISVERYCONSERVATIVERESULTINGINACONTINGENCYBUDGETFARLARGERTHANWHATMIGHTBEINDEEDNEEDED7INTHISPAPER,FIRSTSEVERALCONTINGENCYDEFINITIONSGIVENBYDIFFERENTAGENCIESAREPRESENTEDTHENANDETERMINISTICAPPROACHESCANNOTEFFECTIVELYADDRESSTHERISKSSPECIFICTOAPROJECTANDCONSIDERTHEUNIQUEEFFECTSOFPROJECTCOMPLEXITY,MARKETCONDITION,ANDLOCATION24THEREFORE,DETERMINISTICMETHODSCANBESUMMARIZEDINTWOMAINCATEGORIESASFOLLOWSFIG1CONTINGENCYCALCULATIONMETHODSPREDEFINEDPERCENTAGESFIXED/LINEITEMSTHISAPPROACHISTHESIMPLESTMETHODOFCONTINGENCYALLOCATIONINTHISMETHOD,EITHERANACROSSTHEBOARDPREDETERMINEDFIXEDPERCENTAGEOFTOTALPROJECTBASECOSTORVARIOUSPERCENTAGESOFLINEITEMSWILLBEADDEDTOTHEPROJECTBUDGETASCONTINGENCYWHENCONTINGENCYISADDEDSEPARATELYFOREACHLINEITEMALLOCATEDCONTINGENCY,ITCANBEANOVERALLCONTINGENCYASUNALLOCATEDCONTINGENCYADDEDTOTHEPROJECTBUDGETONTOPOFTHEALLOCATEDCONTINGENCYEACHAGENCYHASITSOWNSETOFGUIDELINEFORCONTINGENCYPERCENTAGESTHESUGGESTEDPERCENTAGESAREGIVENFORDIFFERENTKEYPHASESOFACERTAINTYPEOFPROJECTANDMAYBEASINGLEVALUEORARANGEOFVALUESEXPERTJUDGMENTTHEONLYDIFFERENCEOFTHISMETHODANDPREDETERMINEDPERCENTAGEISTHATINTHISMETHODTHEREISNOTASETOFPREDETERMINEDPERCENTAGES,BUTANEXPERTORAGROUPOFEXPERTSWITHSTRONGEXPERIENCEINRISKMANAGEMENTANDRISKANALYSISDEFINESTHEPERCENTAGEOFCONTINGENCYFORTHEPROJECTUNDERCONSIDERATIONEVENTHOUGHTHISMETHODCANRELATIVELYCONSIDERSTHESPECIFICSITUATIONOFEACHPROJECTBYADDINGUNIQUEPERCENTAGEFOREACHPROJECTBUTITDOESNOTGOTHROUGHAFORMALANDCOMPREHENSIVERISKASSESSMENTTHEREFORE,THECONTINGENCYBUDGETCANNOTBEESTIMATEDADEQUATELYFURTHERMORE,SIMILARTOPREDEFINEDPERCENTAGEMETHOD,ITDOESNOTPROVIDETHECONFIDENCELEVELFORTHESUFFICIENCYOFTHEESTIMATEDCONTINGENCY32PROBABILISTICMETHODSTHEMAINDIFFERENCEBETWEENPROBABILISTICMETHODSANDDETERMINISTICMETHODSISTHATINPROBABILISTICMETHODS,UNCERTAINTIESAREEXPLICITLYMODELEDUSINGAPPROPRIATESTATISTICALDISTRIBUTIONS35ACOSTESTIMATEISCONSIDEREDASTHEPREDICTIONOFTHEEXPECTEDFINALCOSTOFAPROJECTWITHAGIVENSCOPEANDCONSTRUCTEDDURINGACERTAINTIMEWINDOW16THISDEFINITION
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上傳時(shí)間:2024-03-17
頁數(shù): 21
大?。?0.11(MB)
子文件數(shù):
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簡介:2700英文單詞,英文單詞,15萬英文字符,中文萬英文字符,中文4600字文獻(xiàn)出處文獻(xiàn)出處WIBOWO,ANDREASRETURNSTOSCALEINBUILDINGSCONSTRUCTIONCOSTSINDONESIANCASESJPROCEDIAENGINEERING,2015,1251824RETURNSTOSCALEINBUILDINGSCONSTRUCTIONCOSTSINDONESIANCASESANDREASWIBOWOABSTRACTTHISPAPEREXAMINESRETURNSTOSCALEINBUILDINGCONSTRUCTIONSININDONESIABASEDONLARGESAMPLESIZESOFDIFFERENTPROJECTTYPESIE,HOTELORAPARTMENT,HOSPITAL,OFFICE,CAMPUS,ANDPLANTTHEANALYSISDEMONSTRATESTHATCOSTSTENDEDTOVARYWITHSIZESATACONSTANTRATE,ASSHOWNBYCOSTCAPACITYFACTORSCLOSETOUNITY,WITHTHEEXCEPTIONOFCAMPUSCASESTHATSUPPORTEDDECREASINGRETURNSTOSCALETHISFINDINGAFFIRMSTHOSEOFPREVIOUSSTUDIESTHATNONCONSTANTRETURNSTOSCALEINCOSTSIZERELATIONSHIPSAPPEARTOWEAKLYEXISTFORBUILDINGCONSTRUCTIONSATTHEVERYLEAST,ITALSOIMPLIESTHATASIMPLEUNITCOSTAPPROACHREMAINSARELIABLEMETHODFOREARLYCOSTESTIMATESTHISPAPERALSOIDENTIFIESSOMEPOTENTIALISSUESASSOCIATEDWITHCONSTANTRETURNSTOSCALEAPPLICATIONSKEYWORDSCOSTCAPACITYFACTORCONSTANTRETURNSTOSCALEREGRESSIONANALYSISBUILDINGCONSTRUCTIONINDONESIA1INTRODUCTIONTHERELATIONSHIPBETWEENCOSTSANDSIZESINANYPRODUCTIONSYSTEMSISRATIONALLYMODELEDASMONOTONICINCREASINGFUNCTIONSTHISARGUMENTSHOULDALSOAPPLYTOCONSTRUCTIONINDUSTRIESLARGERPROJECTSIZESWOULDTECHNICALLYREQUIREMOREEFFORTSANDRESOURCESTOCOMPLETE,WHICHLEADTOHIGHERCOSTSTOINCURWHILETHISFACTISSELFEVIDENT,AMORECOMPELLINGISSUETHATMERITSATTENTIONOFCOSTENGINEERSISHOWTHERATESOFINCREASEINCONSTRUCTIONCOSTSCOMPAREWITHTHOSEINSIZESORCAPACITIES?RETURNSTOSCALECOSTSIZEFUNCTIONSMAYEXHIBITINCREASING,CONSTANT,DECREASINGRETURNSTOSCALEORACOMBINATIONOFDIFFERENTMODESOFRETURNSTOSCALEFORDIFFERENTCOSTORSIZERANGESINPROCESSINDUSTRIESEG,CHEMICAL,PHARMACEUTICAL,PETROLEUM,WATERTREATMENTINDUSTRIES,THEUSEOFINCREASINGRETURNSTOSCALEASSUMPTIONHASBEENQUITECOMMONFOREARLYCOSTESTIMATESUNDERTHISASSUMPTION,ONEWOULDEXPECTTHEESTIMATEDCOSTSOFBUILDINGNEWLARGERFACILITIESTORUNATLOWERRATESTHANTHEINCREASEINCAPACITIESTHUS,UNITCOSTSWOULDTENDTOFURTHERDECLINEOVERLARGERSIZESTHEAPPLICATIONOFTHEWELLKNOWNSIXTENTHSRULE,FORINSTANCE,SUGGESTSTHATDOUBLINGTHECAPACITYWOULDINCREASETHECOSTBYONLYABOUT50HOWEVER,ASTUDYBYREMERANDWONG1FORAIRPORTTERMINALCONSTRUCTIONSSHOWSTHECONTRARYTHATDOUBLINGTHESIZENEEDSMORETHANDOUBLETHEIMPLEMENTATIONCOST,THEREBYREPRESENTINGDECREASINGRETURNSTOSCALETHISPAPERINVESTIGATESTHERETURNSTOSCALEBEHAVIORFORBUILDINGCONSTRUCTIONPROJECTSININDONESIAOVERTHEYEARS,ABUNDANTARTICLESHAVEBEENPUBLISHEDFOCUSINGONPARAMETRICCOSTMODELINGFORBUILDINGSBUTLITTLEEFFORT,LETALONETHOSEUSINGINDONESIA’SBUILDINGCASES,WASDEVOTEDTOEXPLORINGTHERELATIONSHIPSBETWEENCOSTSANDSIZESUNDERSTANDINGTHESERELATIONSHIPSISOFPARTICULARUSEFULFORPREPARINGPRELIMINARYCOSTESTIMATESATEARLYPROJECTSTAGESDURINGWHICHTHELEVELSOFPROJECTDEFINITIONARENOTSUFFICIENTANDNOBETTERINFORMATIONISAVAILABLEFORMOREACCURATEESTIMATIONSFROMTHEACADEMICSTANDPOINT,THEOBJECTIVEOFTHEPRESENTPAPERISTHREEFOLDS?ITATTEMPTSTOENRICHBODYOFLITERATUREINTHISAREA,UPDATESANDEXTENDSSIMILARPREVIOUSSTUDIES2,3USINGALARGERDATASET,ANDFUELSSCHOLARLYDEBATESONTHEINTERPRETATIONOFRESEARCHFINDINGSFORFUTURESTUDIESCONTRACTUALVALUES,INCLUDINGPROFITSANDOVERHEADSANDNOTTHETRUECOSTSOFPROJECTSWHICHREMAINUNKNOWNANDCONFIDENTIALFORPUBLICSIZESORCAPACITIESOFPROJECTSWEREPROXIEDBYGROSSFLOORAREASGFAINTHISRESEARCHCOSTDATAWEREGROUPEDBYTHETYPEOFBUILDINGANDTHOSEWITHAVERYLIMITEDNUMBEROFSAMPLESWEREOMITTEDFORSUBSEQUENTANALYSIS31DATANORMALIZATIONBECAUSECOSTDATAMAYSTEMFROMDIFFERENTLOCATIONSANDYEARS,THEYMUSTBEADJUSTEDFORLOCATIONANDTIMETOENSUREEVERYOBSERVATIONISBASEDONTHESAMEREFERENCEPOINTTHISADJUSTMENTPROCESS,ALSOKNOWNASDATANORMALIZATION10,INVOLVESACOSTINDEX,ADIMENSIONLESSNUMBERWHICHRELATESTHECOSTOFANITEMATASPECIFICTIMEORLOCATIONTOTHECORRESPONDINGCOSTATSOMEARBITRARILYSPECIFIEDTIMEORLOCATION9,11HOWEVER,GIVENTHATNODETAILEDINFORMATIONONTHESTARTDATESOFPROJECTSWEREAVAILABLEINTHESYSTEMANDTHECOMPILEDDATAWEREFROMTHESAMEYEAR,2013,ADJUSTMENTSWEREONLYMADEFORLOCATIONSTOCONVERTCOSTSFROMONECITYTOANOTHERCITY,THEFOLLOWINGFORMULAWASUSEDWHERECJCOSTATCITYJ,CICOSTATCITYIJAKARTAWASSELECTEDASTHEREFERENCECITYCONSUMERPRICEINDEXCPIPUBLISHEDBYSTATISTICSINDONESIABADANPUSATSTATISTIK,BPSISNOTAPPROPRIATETOUSEASCOSTINDEXASITMEASURESPRICECHANGESOFCONSUMERGOODSANDSERVICESNOTESSENTIALLYRELEVANTTOCONSTRUCTIONACTIVITIESANDAMISUSEOFTHISINDEXCOULDLEADTOMISLEADINGCONCLUSIONSCONSTRUCTIONCOSTINDEXCCIINDEKSKEMAHALANKONSTRUKSI,ALSOPUBLISHEDBYBPS,WASDEEMEDMORESUITABLEINTHESENSETHATITMOREREFLECTSPRICECHANGESINCONSTRUCTIONANDWASTHEREFOREUSEDFORTHISRESEARCHTHISINDEXISACOMPOSITEOF33CONSTRUCTIONMATERIALPRICES,6HEAVYEQUIPMENTRENTALCOSTS,AND8CONSTRUCTIONLABORCOSTSFURTHERMORE,UNLIKETHEBPSCONSTRUCTIONWHOLESALEPRICEINDEXWPIINDEKSHARGAPERDAGANGANBESARTHATTRACKSPRICECHANGESFROMYEARTOYEARFORTHESAMELOCATION––APERIODICALINDEX,CCIISOFASPATIALINDEXTHATCOMPARESPRICESFORDIFFERENTLOCATIONSBUTSAMEYEARFIG1AHISTOGRAMOFNORMALIZEDCOSTSFORHOTEL/APARTMENTBHISTOGRAMOFAREASFORHOTEL/APARTMENT32DESCRIPTIVESTATISTICSOFUNITCOSTSCOSTDATANORMALIZEDUSINGEQ3PRESENTEDACONSIDERABLYHIGHDISPERSIONINTERMSOFCOSTSANDGFAPROVIDEDTHATTHEEXISTENCEOFOUTLIERSCANDISTORTTHEREGRESSIONRESULTS,ITISTHUS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下載積分: 10 賞幣
上傳時(shí)間:2024-03-16
頁數(shù): 15
大?。?0.12(MB)
子文件數(shù):
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簡介:字?jǐn)?shù)英文字?jǐn)?shù)英文36303630單詞,單詞,2101221012字符;中文字符;中文63406340漢字漢字出處出處CSCSSINGHGREENSINGHGREENCONSTRUCTIONCONSTRUCTIONANALYSISANALYSISONONGREENGREENANDANDSUSTAINABLESUSTAINABLEBUILDINGBUILDINGTECHNIQUESJCIVILTECHNIQUESJCIVILENGINEERINGENGINEERINGRESEARCHRESEARCHJOURNAL2018,4316JOURNAL2018,4316外文文獻(xiàn)外文文獻(xiàn)GREENCONSTRUCTIONANALYSISONGREENANDSUSTAINABLEBUILDINGTECHNIQUESABSTRACTGREENBUILDINGCONCEPT,INBROADERTERMS,INVOLVESABUILDING,WHICHISDESIGNED,BUILT,OPERATED,MAINTAINEDORREUSEDWITHOBJECTIVESTOPROTECTOCCUPANTHEALTH,IMPROVEEMPLOYEEPRODUCTIVITY,USEWISELYNATURALRESOURCESANDREDUCETHEENVIRONMENTALIMPACTINOTHERWORDSTHEGREENBUILDINGPROCESSINCORPORATESENVIRONMENTALCONSIDERATIONSINTOEVERYSTAGEOFTHEBUILDINGCONSTRUCTIONTHISPROCESSFOCUSESONTHEDESIGN,CONSTRUCTION,OPERATIONANDMAINTENANCEPHASESANDTAKESINTOACCOUNTTHELOTDESIGNANDDEVELOPMENTEFFICIENCY,ENERGYANDWATEREFFICIENCY,RESOURCEEFFICIENCY,INDOORENVIRONMENTALQUALITY,BUILDINGOWNERMAINTENANCEANDTHEBUILDING’SOVERALLIMPACTONTHEENVIRONMENTTHEDESIGNOFGREENBUILDINGSSHOULDTHUSBEGINWITHTHESELECTIONANDUSEOFECOFRIENDLYMATERIALSWITHRELATEDORBETTERFEATURESTHANTRADITIONALBUILDINGMATERIALSBUILDINGMATERIALSAREUSUALLYSELECTEDTHROUGHFUNCTIONAL,TECHNICALANDFINANCIALREQUIREMENTSHOWEVER,WITHSUSTAINABILITYASACRUCIALISSUEINTHELASTDECADES,THEBUILDINGSECTOR,DIRECTLYORINDIRECTLYCAUSINGACONSIDERABLEPORTIONOFTHEANNUALENVIRONMENTALDETERIORATION,CANTAKEUPTHEOBLIGATIONTOCONTRIBUTETOSUSTAINABLEDEVELOPMENTBYFINDINGMOREENVIRONMENTALLYBENIGNMETHODSOFCONSTRUCTIONANDBUILDINGAMONGTHEDIRECTIONSFORSOLUTIONSISTOBEFOUNDINNEWMATERIALAPPLICATIONS,RECYCLINGANDREUSE,SUSTAINABLEPRODUCTIONOFPRODUCTSORUSEOFGREENRESOURCES,CAREFULSELECTIONOFECOFRIENDLYSUSTAINABLEBUILDINGMATERIALSMAYBETHEFASTESTWAYFORBUILDERSTOBYMATERIALEXPLOITATIONANDTRANSPORTATIONSIMULTANEOUSLY,THEBADQUALITYOFINDOORENVIRONMENTSMAYRESULTINHEALTHISSUESTOEMPLOYEESINOFFICEBUILDINGS,HENCE,REDUCINGEFFICIENCYFROMTHEENVIRONMENTALIMPACTPERSPECTIVE,THEBUILDINGSECTORHASASIGNIFICANTEFFECTONTHEENTIREENVIRONMENTRESIDENTIALBUILDINGSREPRESENTALARGEPERCENTAGEOFTHEBUILTENVIRONMENT,ANDTHESELECTIONSOFMATERIALSANDLAYOUTSARENECESSARYFORTHEGENERALSUSTAINABILITYCONSIDERABLEINITIATIVESHAVEBEENCARRIEDOUTBYTHERESEARCHCOMMUNITYWORLDWIDE,INORDERTOFINDALTERNATIVESUSTAINABLEBUILDINGMATERIALSANDLOWTECHNOLOGYMETHODS,WHICHRESULTINAMORESUSTAINABLEANDAFFORDABLECONSTRUCTIONADHERINGTOTHECOMFORTSTANDARDSNEEDEDTODAYADOPTINGGREENBUILDINGMATERIALSISANEXCELLENTAPPROACHTOMEETTHISTARGETSELECTIONOFCONSTRUCTIONMATERIALSWHICHHAVEMINIMUMENVIRONMENTALBURDENSISUSEFULINTHESUSTAINABLEDEVELOPMENTOFACOUNTRYTHEREFORE,BUILDINGRELATEDCONTRIBUTIONTOENVIRONMENTALISSUESISLARGEANDTHEREFOREESSENTIALSELECTINGENVIRONMENTALLYPREFERABLEBUILDINGPRODUCTSISANEXCELLENTMETHODTOBOOSTABUILDINGSENVIRONMENTALPERFORMANCEWHILETHEREISOBVIOUSLYANIMMEDIATENEEDFORNEWTECHNOLOGIESTOOPTIMIZETHEAPPLICATIONOFLOWIMPACTBUILDINGMATERIALS,ITISALSOTRUETHATTHEREARESEVERALTECHNOLOGIESORSYSTEMS,CURRENTLYINUSEMANYHAVEORIGINATEDFROMANEARLIERINFLUXOFSUSTAINABLEHOUSINGACTIVISMANDDEVELOPMENT,PROMPTEDBYTHE1970SENVIRONMENTALMOVEMENT,ANDTHENBOOSTEDBYTHEFORCEFORBETTERENERGYEFFICIENTBUILDINGSTHEIRSTRATEGYHASBEENREFERREDTOASEFFECTIVEINSPREADINGIDEASABOUTBESTPRACTICETODEDICATEDGREENADVOCATES,BUILDERSANDINDIVIDUALSSEEKINGFORANALTERNATIVEMEANSOFDETERMININGTHEMATERIALSELECTIONPROCESS,VERYFEWSUCHSYSTEMSAREAVAILABLETHATSUPPORTTHEEFFECTIVEANDSUBSTANTIALUSEOFLOCALANDRECYCLEDBUILDINGMATERIALSINTHEDESIGNDECISIONMAKINGPHASEOFABUILDINGDURINGTHELAST3040YEARSWEHAVEBEENSENSINGTHEBITTEREXPERIENCEOFGLOBALWARMING,OZONEDEPLETION,RESOURCEDEPLETION,ENERGYSCARCITY,ECOLOGICALTOXICITY,HUMANTOXICITY,ACIDRAINSETCTHESEHAVEALARMED,RATHERCOMPELLEDTHEMANKINDTOCHANGETHEWAYTHEYOPERATEONTHEEARTHTHOUGHWECANNOTAVOIDAFFECTINGTHE
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頁數(shù): 6
大?。?0.49(MB)
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簡介:JOURNALOFTHEINTERNATIONALCOLOURASSOCIATION201719,1522ZENNARO15HTTP//WWWAICCOLOURORG/JOURNALHTM|HTTP//WWWAICCOLORORG/JOURNALHTMISSN22271309STRATEGIESINCOLOURCHOICEFORARCHITECTURALBUILTENVIRONMENTPIETROZENNARODEPARTMENTOFDESIGNANDPLANNINGINCOMPLEXENVIRONMENTS,UNIVERSITYIUAVOFVENICE,ITALYEMAILPIETROZENNAROIUAVITINTHEREALISATIONOFACOLOURDESIGN,OROFACOLOURPLAN,EVERYDESIGNERSHOULDHAVETHEAVAILABILITYOFASETOFBASICTOOLSTOPREVENTHIMORHERFROMPERFORMINGPREJUDICIALOPERATIONSINTHETERRITORY,INTHELANDSCAPE,INTHECITY,INTHENEIGHBOURHOOD,ANDINTHEINDIVIDUALBUILDINGTHESAMEDESIGNERSHOULDTHENKNOWSOMERULESINTHECOLOURCHOICETHATWILLENHANCETHEBUILTENVIRONMENTTHEAPPROACHTOCOLOURSELECTIONDEPENDSONMANYFACTORS,FOREXAMPLETHEBUILDINGSIZEANDFUNCTION,THECOMBINATIONOFSPACES,THEURBANFORM,THEDIMENSIONSOFSTREETS,ALLEYS,PLAZAS,SQUARESANDSOON,BUTESPECIALLYTHESPECIFICITYOFTHEPLACEBYTHISWEMEANTHEHISTORY,TRADITIONS,CULTURE,GEOGRAPHICALLOCATION,THEQUALITIESANDWEAKNESSES,THERANGEOFPOSSIBLEDESIGN/CONSERVATIONOPTIONSANDALLTHOSECHARACTERISTICSTHATDISTINGUISHONEPLACEFROMANOTHERSOITSHOULDBECLEARTOTHEDESIGNERWHOFACESACHROMATICPROJECT,THATHEORSHEPRIMARILYNEEDSADEDICATEDSTRATEGY,DIFFERENTFROMCASETOCASE,SPECIFICTOEACHPLACETHEDIVERSITYOFTHEPLACESESTABLISHESTHERICHNESSOFTRADITIONSANDCUSTOMSTHATSHOULDBEPRESERVEDAND/ORPOSSIBLYUPDATEDRECEIVED10APRIL2017REVISED31JULY2017ACCEPTED1AUGUST2017PUBLISHEDONLINE29SEPTEMBER2017INTRODUCTION“STARTINGTHESTUDYOFPERCEPTION,WEFINDINTHELANGUAGETHECONCEPTOFSENSATION,WHICHSEEMSIMMEDIATEANDCLEARIHAVETHESENSATIONOFRED,BLUE,HOT,COLD1”JOURNALOFTHEINTERNATIONALCOLOURASSOCIATION201719,1522ZENNARO17HTTP//WWWAICCOLOURORG/JOURNALHTM|HTTP//WWWAICCOLORORG/JOURNALHTMISSN22271309HOUSESORINDUSTRIALAREASTHEFOCUSONTHEIMPROVEMENTOFSUCHPLACESTHROUGHTHEAPPROPRIATEUSEOFCOLOURISDETERMINEDBYTHENEEDFORUPGRADINGTHEMANLAND,ANDBYPUTTINGINPLACESUITABLELOWIMPACTFACTORSDISCUSSIONINTHEPERCEPTIONOFOURSURROUNDINGS,THECOLOURSARESEENDIFFERENTLYDEPENDINGONWEATHERCONDITIONS,SEASONAL,DIRECTORINDIRECTRADIATION,BYREFLECTION,BYSOURCEOFNATURALORARTIFICIALLIGHTINGANDINMANYOTHERASPECTSTHEPERCEPTIONOFTHESURROUNDINGSTAKESPLACEINTERMSOFSYNAESTHESIA,INVOLVINGALLTHESENSESOFTHEOBSERVERANALYSINGTHEBEHAVIOUROFCOLOURANDLIGHTINBUILTPLACES,THEREISNOMOREEMBLEMATICEXPERIENCETHANTHEEVALUATIONONSITEORBYPICTURESOFWHATHAPPENSINACOMMONSUNNYDAYFORCONVENIENCEWEHAVETAKENAVENETIANEXAMPLE,WHERETHEPRESENCEOFWATERANDTHEDENSITYOFTHEBUILTFA?ADESMOREEASILYSHOWSTHEINTERACTIONOFLIGHTWITHTHEFACINGFRONTSTHEPRESENCEOFWATER,ALSO,INCREASINGTHEMIRROREFFECTOFTHECANALTHATISLESSEVIDENTINCOMMONROADS,SHOWSBETTERTHETRANSFEROFACOLOURFROMANILLUMINATEDWALLTOTHEOPPOSITEONEINSHADOWFIGURE1RIODELMAGAZENFONDAMENTAMINOTTOLEFTANDFONDAMENTAGAFFARORIGHTTHECOLOURSAREREFLECTEDBETWEENTHEWALLSANDTHEWATER?PZENNAROINTHESCENEOFFIGURE1,THELEFTFRONTISLESSEXPOSEDTOBADWEATHERTHANTHERIGHTONESINCETHECOLOURSPAINTEDONTHEWALLSAREBASEDONLIMETHEYHAVETHETENDENCYTOWASHOUTEASILYINFACT,THEOPPOSITEFA?ADEATRIGHTISCOMPLETELYWASHEDOUTANDTHENSHOWSAGREYPLASTERTHESUN,BEATINGONTHEWALLSOFFONDAMENTAMINOTTOLEFT,AFFORDSATRANSFEROFTHEYELLOWCOLOURBYREFLECTIONOVERTHEWATERSURFACEOFTHERIOMAGAZENTOTHESHADOWEDOPPOSITEWALLSTHENADOUBLEPHENOMENONOCCURS,THESPECULARREFLECTIONFROMTHECOLOUREDWALLTOTHEWATERANDITSTRANSFERONTOTHEGREYWALLISADDEDTOTHEDIFFUSEDREFLECTIONCOMINGDIRECTLYFROMTHEILLUMINATEDYELLOWWALLANOTHERCLUECOMESFROMTHEREFLECTIONOFSUNLIGHTONTHEWINDOWSBOUNCINGDIRECTLYPARTLYONTHEPAVEMENTANDPARTLYONTHEWALLS
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簡介:5700英文單詞,英文單詞,29萬英文字符,中文萬英文字符,中文9500字文獻(xiàn)出處文獻(xiàn)出處AVENTWHATISSAFETYSCIENCEJSAFETYSCIENCE,2014,67671520WHATISSAFETYSCIENCETERJEAVENABSTRACTTHISPAPERADDRESSESTHEISSUEOFHOWTOUNDERSTANDSAFETYSCIENCEASACONCEPTSEVERALDEFINITIONSOFSAFETYAREREVIEWEDANDDISCUSSED,INCLUDINGTHEINTERPRETATIONSTHATSAFETYISTHEABSENCEOFUNDESIRABLEEVENTSANDACCIDENTSANDTHATSAFETYISTHEANTONYMOFRISKREFLECTIONSAREALSOMADEONWHATSCIENCEMEANSINRELATIONTOSAFETYITISARGUEDTHATSAFETYSCIENCECANBEVIEWEDASKNOWLEDGEABOUTSAFETYRELATEDISSUES,ANDTHEDEVELOPMENTOFCONCEPTS,THEORIES,PRINCIPLESANDMETHODSTOUNDERSTAND,ASSESS,COMMUNICATEANDMANAGEINABROADSENSESAFETYINADDITIONWEMAYSPEAKABOUTSCIENCESAFETYASADISCIPLINE,COVERINGTHETOTALITYOFRELEVANTEDUCATIONALPROGRAMMES,JOURNALS,PAPERS,RESEARCHERS,RESEARCHGROUPSANDSOCIETIES,ETCKEYWORDSSAFETYCONCEPTSAFETYSCIENCERISKPERSPECTIVERISKASSESSMENT1INTRODUCTIONTOSTUDYTHECONCEPT‘‘SAFETYSCIENCE’’THENATURALPOINTOFDEPARTUREISTHESCOPEANDAIMSOFTHISJOURNAL,SAFETYSCIENCEWEREADFROMTHEJOURNAL’SWEBSITESAFETYSCIENCESERVESASANINTERNATIONALMEDIUMFORRESEARCHINTHESCIENCEANDTECHNOLOGYOFHUMANSAFETYITEXTENDSFROMSAFETYOFPEOPLEATWORKTOOTHERSPHERES,SUCHASTRANSPORT,LEISUREANDHOME,ASWELLASEVERYOTHERFIELDOFMAN’SHAZARDOUSACTIVITIESSAFETYSCIENCEISMULTIDISCIPLINARYITSCONTRIBUTORSANDITSAUDIENCERANGEFROMPSYCHOLOGISTSTOCHEMICALENGINEERSTHEJOURNALCOVERSTHEPHYSICSANDENGINEERINGOFSAFETYITSSOCIAL,POLICYANDORGANISATIONALASPECTSTHEMANAGEMENTOFRISKSTHEEFFECTIVENESSOFCONTROLTECHNIQUESFORSAFETYSTANDARDIZATION,LEGISLATION,INSPECTION,INSURANCE,COSTINGASPECTS,HUMANBEHAVIOURANDSAFETYANDTHELIKESAFETYSCIENCEWILLENABLEACADEMICRESEARCHERS,ENGINEERSANDDECISIONMAKERSINCOMPANIES,GOVERNMENTAGENCIESANDINTERNATIONALBODIES,TOAUGMENTTHEIRINFORMATIONLEVELONTHELATESTTRENDSINTHEFIELD,FROMPOLICYMAKERSANDMANAGEMENTSCIENTISTSTOTRANSPORTENGINEERSTHEJOURNALFOCUSESPRIMARILYONORIGINALRESEARCHPAPERSACROSSITSWHOLESCOPE,BUTALSOWELCOMESSTATEOFTHEARTREVIEWPAPERSANDFIRSTHANDCASEHISTORIESONACCIDENTSANDDISASTERSOFSPECIALSIGNIFICANCETHEEMPHASISISONSAFETYRISKS,ASDISTINCTFROMHEALTHRISKS,BUTMAYINCLUDEBOTHSAFETYSCIENCE,2012THISTEXTPROVIDESSOMEINSIGHTSABOUTTHECONCEPTOF‘‘SAFETYSCIENCE’’,BUTALSOLEAVESOPENSOMEQUESTIONS,SUCHAS–WHATISSAFETYTHEJOURNALRESTRICTSITSATTENTIONTOHUMANSAFETY,BUTTHECONCEPTOFSAFETYMAYEXTENDBEYONDTHISAREAWHATABOUTENVIRONMENTALISSUESANDASSETS,FOREXAMPLEANDSECURITYMANYDEFINITIONSOFTHESAFETYCONCEPTEXIST,BUTWHICHONESARESUITABLEINTHISSETTING–HOWISSAFETYLINKEDTORISKASWEKNOW,THECONCEPTOFRISKCANBEUNDERSTOODINMANYWAYS–WHATISSCIENCEINTHISCONTEXTHOWISSCIENCEOFSAFETYLINKEDTORESEARCHABOUTSAFETYTHEJOURNALDEFINESARESEARCHPAPERAS‘‘NEWLYCOLLECTEDORANALYSEDDATA,EXPERIMENTALORSURVEYRESULTS,ORAPROPOSEDNEWTHEORYORMODELSUPPORTEDBYANALYSISANDARGUMENTSSAFETYSAFETYANDSAFEWEAVOIDTHEINTRODUCTIONOFADOUBLESETOFDEFINITIONSFORRISKANDSAFETYWHENTHERISKASSESSMENTDESCRIBESRISKINRELATIONTOLOSSOFLIVES,ITASSESSESTHESAFETYATTHESAMETIMETHERECOULDOFCOURSEINPRACTICEBEASPECTSOFIMPORTANCEFORTHESAFETYNOTCAPTUREDBYTHERISKASSESSMENTFOREXAMPLEPSYCHOLOGICALFACTORSINRELATIONTOSOMEACCIDENTEVENTS,YETTHISWOULDNOTBETHERESULTOFDIFFERENCESINTHECONCEPTSBUTDUETOSIMPLIFICATIONSANDLIMITATIONSINTHEASSESSMENTHOWEVER,THISCOMMONPLATFORMFORTHERISKANDSAFETYCONCEPTNEEDSTOBEBASEDONSUFFICIENTLYBROADRISKPERSPECTIVESWHICHGIVEDUEATTENTIONTOTHEUNCERTAINTIES,ASDISCUSSEDINAVEN2009THEUNDERSTANDINGOFSAFETYASABSENCEOFACCIDENTS,LOSSESETC,REPRESENTSACOMPLETELYDIFFERENTWAYATLOOKINGATSAFETYSEEFIG2THISTYPEOFUNDERSTANDINGOFTHESAFETYCONCEPTLEADSTOANEEDFORACHANGEINNORMALNOMENCLATUREASTHEEVENTSANDCONSEQUENCESAANDCAREUNKNOWNWHENLOOKINGATTHEFUTURE,WECANNOTREFERTOHIGHORLOWSAFETYWEHAVETOSPEAKABOUTTHEPROBABILITYOFTHESAFETYBEINGLOWORHIGH,ORTHEUNCERTAINTIESABOUTTHESAFETYBEINGHIGHORLOWWEOBSERVETHATSAFETYISINFACTANEVENTWITH‘‘NOOCCURRENCEOFUNDESIRABLEEVENTSANDCONSEQUENCES’’OR,USINGTHEDEFINITIONOFLEVESON1995,‘‘NOACCIDENTSOCCURRING’’HENCESAFETYISCLOSELYLINKEDTOTHERISKDEFINITIONBYROSA1998,2003FIG1ILLUSTRATIONOFTHEPERSPECTIVETHATIFASITUATIONISCONSIDEREDSAFE,ITHASACCEPTABLERISK,WHENADOPTINGA‘‘NARROW’’RISKVIEWBASEDONPROBABILITIESANDEXPECTEDVALUESIFABROADERRISKPERSPECTIVEISADOPTED,THESAFEAREAANDTHEACCEPTABLERISKAREACOINCIDEFIG2ILLUSTRATIONOFTHEMEANINGOFTHEDEFINITIONOFSAFETYWHICHISBASEDONABSENCEOFACCIDENTS,LOSSESETCRISKISASITUATIONOREVENTWHERESOMETHINGOFHUMANVALUEINCLUDINGHUMANSTHEMSELVESISATSTAKEANDWHERETHEOUTCOMEISUNCERTAIN
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簡介:18766102?2017THEAUTHORSPUBLISHEDBYELSEVIERLTDTHISISANOPENACCESSARTICLEUNDERTHECCBYNCNDLICENSEHTTP//CREATIVECOMMONSORG/LICENSES/BYNCND/40/PEERREVIEWUNDERRESPONSIBILITYOFKESINTERNATIONALDOI101016/JEGYPRO201703238ENERGYPROCEDIA1112017759–769SCIENCEDIRECT8THINTERNATIONALCONFERENCEONSUSTAINABILITYINENERGYANDBUILDINGS,SEB16,1113SEPTEMBER2016,TURIN,ITALYINSIGHTSONSMARTHOMECONCEPTANDOCCUPANTS’INTERACTIONWITHBUILDINGCONTROLSVALENTINAFABIA,GIORGIASPIGLIANTINIA,STEFANOPAOLOCORGNATIAAPOLITECNICODITORINOCORSODUCADEGLIABRUZZI,2410129TORINO,ITALYABSTRACTTHEINCREASINGATTENTIONFORENERGYEFFICIENCYINBUILDINGSSTIMULATESTHEEXPANSIONOF“SMARTBUILDINGS”INOFFICESANDHOMES,BUILDINGAUTOMATIONSYSTEMSARESUITEDTOINDIVIDUALS,FORESIGHTINGTHEIRNEEDSOCCUPANTS’COMPLIANCEISAFUNDAMENTALREQUIREMENTFORASUCCESSFULADOPTIONOFBUILDINGAUTOMATIONSYSTEMSANIMPORTANTWARNINGREGARDSTHATSUCH“SMARTBEHAVIOUR”O(jiān)FTHEBUILDINGSHOULDMATCHWITHTHEOCCUPANTS’SATISFACTIONANDTHEIRFEELINGOFCONTROLLINGTHELIVINGENVIRONMENTSABALANCEBETWEENENERGYEFFICIENCYANDOCCUPANTS’NEEDSISREQUIREDTHISPAPERAIMSATPROVIDINGINSIGHTONTHECONCEPTOF“SMARTHOME”CONSIDERINGTHEADAPTIVEACTIONSPERFORMEDBYOCCUPANTSTORESTORETHEIRWELLBEING?2017THAHPBLIHDBELILDPIDIBILIFKESIILAVAILABLEONLINEATWWWSCIENCEDIRECTCOM?2017THEAUTHORSPUBLISHEDBYELSEVIERLTDTHISISANOPENACCESSARTICLEUNDERTHECCBYNCNDLICENSEHTTP//CREATIVECOMMONSORG/LICENSES/BYNCND/40/PEERREVIEWUNDERRESPONSIBILITYOFKESINTERNATIONALCORRESPONDINGAUTHORTEL390110904544EMAILADDRESSVALENTINAFABIPOLITOITKEYWORDSSMARTBUILDINGSOCCUPANTSBEHAVIOURCOMFORTPERCEPTIONPERSUASIVETECHNOLOGYENERGYENGAGEMENTS1?INTRODUCTIONINRECENTYEARS,THEMAINGOALOFENERGYEFFICIENCYPOLICIESHASBEENTOPROMOTETHEUSEOFMOREEFFICIENTAPPLIANCESANDCOMPONENTSBUILDINGAUTOMATIONCONTROLSPLAYANIMPORTANTROLEFORTHEEFFICIENTANDSUSTAINABLEOPERATIONOFTHEBUILDINGTHEBUILDINGSUSTAINABLEPERFORMANCEDEPENDSONTHEBUILDINGSTRUCTURE,THEBUILDINGTECHNICALSYSTEMSANDTHEBUILDINGUSERSSMARTHOMEANDBUILDINGCONTROLSYSTEMSHAVEANIMPACTONEACHONEOFTHEMTHEROLEOFABUILDINGAUTOMATIONISESPECIALLYIMPORTANTINOPERATIONSAIMINGFORSUSTAINEDINDOORCOMFORTWITHENERGYEFFICIENTCONTROLOFBUILDINGSYSTEMSIBYIDENTIFYINGANDELIMINATINGENERGYWASTEIIBYUSINGENERGYONLYINTHEAMOUNT,ATTHEPLACEANDATTHETIMEITISNEEDEDIIIBYIMPLEMENTINGTHERIGHTCONTROLFUNCTIONLEVELFORTHERIGHTAPPLICATIONATTHERIGHTPLACEEFFECTIVECONTROLOFTHEHEATING,VENTILATINGANDAIRCONDITIONINGSYSTEMSINABUILDINGISESSENTIALTOPROVIDEAPRODUCTIVE,HEALTHYANDSAFEWORKINGANDLIVINGENVIRONMENTFORTHEOCCUPANTSALONGWITHGOODBUILDINGDESIGNANDEFFICIENTHVACPLANT,THEBUILDINGCONTROLVALENTINAFABIETAL/ENERGYPROCEDIA1112017759–769761FIG1SMARTHOMENETWORKEXAMPLEFIG2SMARTHOMESERVICESSMARTHOMESYSTEMSOFFERBENEFITSINMANYAREASINCLUDINGLIMITINGENVIRONMENTALIMPACT,SAVINGONENERGYCOSTSANDIMPROVINGBUILDINGSECURITYANDSAFETYTHESYSTEMSNOTONLYREGULATEBUILDINGFUNCTIONS,THEYTRANSFORMDATATOHELPUSERSDETERMINEWAYSTOFURTHERDECREASECOSTSANDINCREASETHEEFFICIENCYANDCOMFORTOFTHEIRBUILDINGSSMARTHOMESYSTEMSSHOULDNOTONLYINFORMUSERSABOUTTHEIRENVIRONMENT,BUTALSOPROVIDEADEGREEOFCONTROLOVERITWHEREAPPROPRIATESMARTCONTROLSENABLEBUILDINGOCCUPANTSTOMODULATETHEIRENERGYUSEENERGYINTHEFORMOFHEATING,COOLING,CONDITIONEDAIRANDLIGHTINGSHOULDONLYBEPROVIDEDWHENTHEREISADEMANDONTHEUSERSIDEUSERSSHOULDREGULATEWHENANDHOWMUCHENERGYMUSTBECONSUMEDAFTERFINALISINGCONSTRUCTIONORRENOVATION,THEBEHAVIOURISADJUSTEDTOACHIEVETHEEXPECTEDENDFUNCTIONSOFBUILDINGS,EGTURNINGONTHEHEATING/THERMOSTATWHENCOLD,OPENINGTHEWINDOWSFORVENTILATION,TURNINGONTHEAIRCONDITIONINGIFTOOWARM,SWITCHINGONTHELIGHTS,ETCOCCUPANTS’BEHAVIOURLEADSTOWIDEDISCREPANCYGAPBETWEENTHECALCULATEDFINALENERGYDEMANDIETHEBUILDINGENVELOPEANDTHEINSTALLATIONSANDTHEREALMEASUREDFINALENERGYDEMANDASOLUTIONMIGHTBESELFLEARNINGAUTOMATIONSYSTEMSADJUSTINGTHECONTROLALGORITHMACCORDINGTOTHEPREFERREDSETTINGSOFTHEOCCUPANTSINFORMATIONANDFEEDBACKSTOTHEBUILDINGOCCUPANTSSHOULDBECONSIDERED
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簡介:WHATISSAFETYSCIENCETERJEAVEN?UNIVERSITYOFSTAVANGER,4036STAVANGER,NORWAYARTICLEINFOARTICLEHISTORYAVAILABLEONLINE19AUGUST2013KEYWORDSSAFETYCONCEPTSAFETYSCIENCERISKPERSPECTIVERISKASSESSMENTABSTRACTTHISPAPERADDRESSESTHEISSUEOFHOWTOUNDERSTANDSAFETYSCIENCEASACONCEPTSEVERALDEFINITIONSOFSAFETYAREREVIEWEDANDDISCUSSED,INCLUDINGTHEINTERPRETATIONSTHATSAFETYISTHEABSENCEOFUNDESIRABLEEVENTSANDACCIDENTSANDTHATSAFETYISTHEANTONYMOFRISKREFLECTIONSAREALSOMADEONWHATSCIENCEMEANSINRELATIONTOSAFETYITISARGUEDTHATSAFETYSCIENCECANBEVIEWEDASKNOWLEDGEABOUTSAFETYRELATEDISSUES,ANDTHEDEVELOPMENTOFCONCEPTS,THEORIES,PRINCIPLESANDMETHODSTOUNDERSTAND,ASSESS,COMMUNICATEANDMANAGEINABROADSENSESAFETYINADDITIONWEMAYSPEAKABOUTSCIENCESAFETYASADISCIPLINE,COVERINGTHETOTALITYOFRELEVANTEDUCATIONALPROGRAMMES,JOURNALS,PAPERS,RESEARCHERS,RESEARCHGROUPSANDSOCIETIES,ETC?2013ELSEVIERLTDALLRIGHTSRESERVED1INTRODUCTIONTOSTUDYTHECONCEPT‘‘SAFETYSCIENCE’’THENATURALPOINTOFDEPARTUREISTHESCOPEANDAIMSOFTHISJOURNAL,SAFETYSCIENCEWEREADFROMTHEJOURNAL’SWEBSITESAFETYSCIENCESERVESASANINTERNATIONALMEDIUMFORRESEARCHINTHESCIENCEANDTECHNOLOGYOFHUMANSAFETYITEXTENDSFROMSAFETYOFPEOPLEATWORKTOOTHERSPHERES,SUCHASTRANSPORT,LEISUREANDHOME,ASWELLASEVERYOTHERFIELDOFMAN’SHAZARDOUSACTIVITIESSAFETYSCIENCEISMULTIDISCIPLINARYITSCONTRIBUTORSANDITSAUDIENCERANGEFROMPSYCHOLOGISTSTOCHEMICALENGINEERSTHEJOURNALCOVERSTHEPHYSICSANDENGINEERINGOFSAFETYITSSOCIAL,POLICYANDORGANISATIONALASPECTSTHEMANAGEMENTOFRISKSTHEEFFECTIVENESSOFCONTROLTECHNIQUESFORSAFETYSTANDARDIZATION,LEGISLATION,INSPECTION,INSURANCE,COSTINGASPECTS,HUMANBEHAVIOURANDSAFETYANDTHELIKESAFETYSCIENCEWILLENABLEACADEMICRESEARCHERS,ENGINEERSANDDECISIONMAKERSINCOMPANIES,GOVERNMENTAGENCIESANDINTERNATIONALBODIES,TOAUGMENTTHEIRINFORMATIONLEVELONTHELATESTTRENDSINTHEFIELD,FROMPOLICYMAKERSANDMANAGEMENTSCIENTISTSTOTRANSPORTENGINEERSTHEJOURNALFOCUSESPRIMARILYONORIGINALRESEARCHPAPERSACROSSITSWHOLESCOPE,BUTALSOWELCOMESSTATEOFTHEARTREVIEWPAPERSANDFIRSTHANDCASEHISTORIESONACCIDENTSANDDISASTERSOFSPECIALSIGNIFICANCETHEEMPHASISISONSAFETYRISKS,ASDISTINCTFROMHEALTHRISKS,BUTMAYINCLUDEBOTHSAFETYSCIENCE,2012THISTEXTPROVIDESSOMEINSIGHTSABOUTTHECONCEPTOF‘‘SAFETYSCIENCE’’,BUTALSOLEAVESOPENSOMEQUESTIONS,SUCHAS–WHATISSAFETYTHEJOURNALRESTRICTSITSATTENTIONTOHUMANSAFETY,BUTTHECONCEPTOFSAFETYMAYEXTENDBEYONDTHISAREAWHATABOUTENVIRONMENTALISSUESANDASSETS,FOREXAMPLEANDSECURITYMANYDEFINITIONSOFTHESAFETYCONCEPTEXIST,BUTWHICHONESARESUITABLEINTHISSETTING–HOWISSAFETYLINKEDTORISKASWEKNOW,THECONCEPTOFRISKCANBEUNDERSTOODINMANYWAYS–WHATISSCIENCEINTHISCONTEXTHOWISSCIENCEOFSAFETYLINKEDTORESEARCHABOUTSAFETYTHEJOURNALDEFINESARESEARCHPAPERAS‘‘NEWLYCOLLECTEDORANALYSEDDATA,EXPERIMENTALORSURVEYRESULTS,ORAPROPOSEDNEWTHEORYORMODELSUPPORTEDBYANALYSISANDARGUMENTSSAFETYSCIENCE,2012HENCEARESEARCHPAPERSEEMSTOBEEITHEREMPIRICALRESEARCHKNOWLEDGEGAINEDBYOBSERVATIONSOREXPERIMENTSORTHEDEVELOPMENTOFNEWTHEORIES,METHODSORMODELSBUTWHATABOUTWORKONCLARIFYINGKEYISSUESINRELATIONTOTHESETHEORIES,METHODSANDMODELSORPERFORMINGTHEORETICALEVALUATIONSOFTHEPROSANDCONSOFASPECIFICMETHODUSEDINRISKASSESSMENTORRISKMANAGEMENTISSUCHWORKNOTRESEARCHORSCIENCEINTHISPAPERWEPERFORMADETAILEDANALYSISOFTHESEISSUES,THEMAINAIMSBEINGTOIMPROVEOURUNDERSTANDINGOFTHESAFETYSCIENCECONCEPT,ANDTOPRESENTANDARGUEFORSOMENEWDEFINITIONSOFTHISCONCEPTITISSTRESSEDTHATTHEPAPERWHENDISCUSSINGWHATSAFETYSCIENCEMEANS,JUSTADDRESSESSOMEFEWSELECTEDTOPICS,TOLARGEEXTENTLINKEDTOKNOWLEDGEPRODUCTIONOFCONCEPTUALTOOLSSUCHASTHECONCEPTSAFETYANDMETHODSUSEDTODESCRIBETHELEVELOFSAFETYTHESETOPICSHAVENOTBEENGIVENMUCHATTENTIONINTHELITERATUREANDTHEREISASTRONGNEEDFORCLARIFICATIONS09257535/SEEFRONTMATTER?2013ELSEVIERLTDALLRIGHTSRESERVEDHTTP//DXDOIORG/101016/JSSCI201307026?TEL4751831000/2267FAX4751831750EMAILADDRESSTERJEAVENUISNOSAFETYSCIENCE67201415–20CONTENTSLISTSAVAILABLEATSCIENCEDIRECTSAFETYSCIENCEJOURNALHOMEPAGEWWWELSEVIERCOM/LOCATE/SSCIWEACKNOWLEDGETHATBEINGSAFEISASUBJECTIVEJUDGMENTDEPENDENTONINSTITUTIONALPROCESSESTODETERMINEWHATISACCEPTABLERISKANDWHATISNOTITHASBEENANAIMOFTHEABOVEANALYSISTOPROVIDENEWINSIGHTSONTHETWOCOMMONWAYSOFUNDERSTANDINGSAFETY,BYREVIEWINGRELEVANTWORKANDCOMPARETHEUNDERLYINGIDEAS,ANDALSOLINKINGTHE‘‘ABSENCEOFACCIDENTS’’INTERPRETATIONTOESTABLISHEDRISKPERSPECTIVESWHICHHASNOTBEENDONEBEFOREASFARASTHEAUTHOROFTHEPRESENTPAPERISAWAREOFALTHOUGHSAFETYISOFTENVIEWEDINRELATIONTOHUMANBEINGS,WESEEFROMTHEABOVEDEFINITIONSTHATSAFETYCANALSOBEATTRIBUTEDTOENVIRONMENT,FINANCIALASSETS,ETC,ASRISKASACONCEPTHASNOSUCHBOUNDARIESWECANDRAWTHESAMECONCLUSIONWHENUSINGTHE‘‘ABSENCEOFUNDESIRABLEEVENTSANDCONSEQUENCE’’TYPEOFDEFINITIONSITISCOMMONTODISTINGUISHBETWEENSAFETYANDSECURITY,WHERESECURITYRELATESTOINTENTIONALSITUATIONSANDEVENTSTERRORISTATTACKS,BURGLARY,ETCINCONTRASTTOSAFETY,WHICHCOVERSTHEACCIDENTTYPEOFSITUATIONSANDEVENTSITIS,HOWEVER,NOPROBLEMTECHNICALLYTOEXTENDTHESAFETY/SAFEDEFINITIONSABOVETOALSOINCLUDEINTENTIONALSITUATIONSANDEVENTS,ASTHERISKCONCEPTDOESNOTDISTINGUISHBETWEENINTENTIONALORNOTINTENTIONAL,ANDABSENCEOFUNDESIRABLEEVENTSANDCONSEQUENCESISALSONEUTRALINTHISRESPECTNEVERTHELESS,ITMAYBEATTR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簡介:INTERNATIONALJOURNALOFENGINEERINGSCIENCEINVENTIONISSNONLINE2319–6734,ISSNPRINT2319–6726WWWIJESIORG||VOLUME2ISSUE12||DECEMBER2013||PP6571WWWIJESIORG65|PAGEPROJECTCOSTCONTROLINTHENIGERIANCONSTRUCTIONINDUSTRYCIANYANWUDEPARTMENTOFPROJECTMANAGEMENTTECHNOLOGYSCHOOLOFMANAGEMENTTECHNOLOGYFEDERALUNIVERSITYOFTECHNOLOGY,PMB1526,OWERRIABSTRACTTHECONSTRUCTIONINDUSTRYBEINGSOLELYRESPONSIBLEFORECONOMICGROWTHOFTHENATIONWILLBASEONTHEGOVERNMENT’SFISCALPOLICYANDBUDGETTHEFORMULATIONOFITSOWNPOLICYPLANONHOWTOCARRYOUTDEVELOPMENTWITHINTHATBUDGETANDEQUALLYGIVETHENATIONAHEALTHYDEVELOPEDENVIRONMENTBESIDES,THEOVERALLAIMOFCOSTCONTROLANDMANAGEMENTISTOMAKESURETHATSCARCERESOURCESAREUTILIZEDTOTHEOPTIMUMBENEFITSOFTHEMAINPARTIESTOACONSTRUCTIONCONTRACTTHATMEANSTHATDESIGNANDEXECUTIONOFAPROJECTSHOULDPRODUCEMAXIMUMVALUEFORMONEYGIVENTHEREFORE,THEHIGHCOSTRATEOFMONEYFORCONSTRUCTIONRESOURCESANDHIGHINTERESTINTHISDWINDLING,DEREGULATEDANDDEPRESSEDECONOMY,ITISPERTINENTTHATEFFICIENTCOSTINGSHOULDBEAVERYSTRONGELEMENTINPROJECTDESIGNANDIMPLEMENTATIONTHEECONOMICASPECTSOFCONSTRUCTIONARECOMPLICATEDBYTHEFACTTHATTHEFUNCTIONSOFDESIGNANDPRODUCTIONAREGENERALLYSEPARATEDATTHEDESIGNSTAGE,THEDESIGNERWILLUSUALLYNOTKNOWTHEMETHODSANDEQUIPMENTAVAILABLETOTHECONTRACTORWHOMAYULTIMATELYBUILDTHEPROJECT,ANDWHOISDIRECTLYRESPONSIBLEFORTHEMATERIALSUSED,WHICHFORMOSTBUILDINGSACCOUNTFORABOUTTWOTHIRDSOFTHETOTALCOSTOFTHEPROJECTTHISISNOTTOSUGGESTTHATTHECONTRACTORHASNOCONTRIBUTIONTOMAKE,BUTSINCETHELABOURWHICHHECONTROLS,COSTONLYABOUTHALFTHATOFTHEMATERIALS,HISEFFORTSCANEASILYBENULLIFIEDBYANYDESIGNWHICHMAKESEXCESSIVEORUNNECESSARYUSEOFMATERIALSTHISWILLHAVESERIOUSADVERSEEFFECTONTHEPROJECTCOST,ITSEXECUTIONANDCOMPLETIONDATEANDMAYLEADTODELAYANDOUTRIGHTABANDONMENTTHENEEDTOHAVECOSTDATAAVAILABLEFROMTHEEARLIESTSTAGESOFTHEDESIGNHASENCOURAGEDTHEDEVELOPMENTOFMETHODSOF“COSTPLANNING“ANDTHEWIDERAPPLICATIONOFSUCHTECHNIQUESIFCOSTISTOBECOMEASITSHOULDBE,ANINTEGRALPARTOFDESIGNALLTHESESHOULDBEGEAREDTOWARDSEFFECTIVECOSTMANAGEMENTANDCONTROLASASOLUTIONTOPROJECTABANDONMENTMANAGEMENTISALEADINGFACTORINANYINVESTMENTPROSPERITYBREEDSMISMANAGEMENTPARADOXICALLY,MANAGEMENTISTHESINGLEFACTORWHICHFORCESANUPTURNINARECESSIONMANAGEMENTISTHESINGLEFACTORWHICHSEPARATESPROSPERITYANDRECESSIONITISTHERESOURCESWELLMANAGEDORMISMANAGEDTODAYTHATMAKESFORTOMORROWSPROSPERITYORDEPRESSIONTHEECONOMICDEPRESSIONWEARENOWFACINGISMOREOUTOFMISMANAGEMENTOFRESOURCESTHANLACKOFRESOURCESTHEKEYTOTHESUCCESSOFOURCONSTRUCTIONINVESTMENTINDUSTRYISPROFESSIONALMANAGEMENTTHEREISURGENTNEEDFORINNOVATIONSINTHECOSTMANAGEMENTOFOURCONSTRUCTIONRESOURCESFORVIABLEPRODUCTSTHEVITALQUESTIONHOWEVERISWHETHERTHEPROJECTMANAGERBEINGTHECONSTRUCTIONCOSTPLANNERISECONOMIZINGENOUGHTHEVARIABLESTHATAFFECTTHECOSTOFCONSTRUCTIONWHICHARESUPPOSEDTOBEUNDERHISCONTROLINOTHERTOBRINGDOWNCOSTOFCONSTRUCTIONTOATOLERABLELEVELTHISISTHEMAINFOCUSOFTHESTUDYTOUNVEILTHEMANAGEMENTPHILOSOPHY,PRACTICEANDINPUTSTOBEAFFIXEDINEVALUATINGANDMONITORINGCONSTRUCTIONCOSTINORDERTOREDUCEPROJECTABORTIONANDABANDONMENT,WHICHARECAUSEDBYPROJECTCOSTOVERRUNSKEYWORDSPROJECTCOST,COSTCONTROL,CONSTRUCTIONINDUSTRY,PROJECTABANDONMENT,COSTOVERRUN,TIMEOVERRUN,PROJECTDELAY,PROJECTMANAGEMENTITHEPROBLEMINNIGERIA,MANYCONSTRUCTIONPROJECTSDEVELOPMENTHAVEFAILEDOWINGTOTHEVARIOUSTECHNICALANDFINANCIALPRESSURESOFCOSTLIMIT,QUALITYANDVALUEOPTIMIZATIONJAGBOROANDBANALOLA2005WROTETHATTHEINTERIMREPORTOFTHEPRESIDENTIALPANELONCONTRACTSATTHEWAKEOFTHEPRESENTDEMOCRATICGOVERNMENTINNIGERIACONFIRMEDASTAGGERINGAMOUNTOFOVERFOURHUNDREDANDFIFTYBILLIONNAIRAFORPROJECTWHICHCANBECLASSIFIEDASFAILEDCONTRACTS,SPANNINGFROM1979TO1998THEMAINREASONFORTHISISNOTFARFETCHEDASMANYOFTHEPROFESSIONALFIRMSINVOLVEDINPROJECTADMINISTRATIONLACKADEQUATEMANAGEMENTINPUTSINBOTHQUANTITATIVEANDQUALITATIVETERMSANOTHERREASONFORTHISHIGHRATEOFPROJECTSABANDONMENTANDFAILEDCONTRACTSINNIGERIA,ISTHATINMOSTGOVERNMENTPROJECTS,THEMOBILIZATIONFEEWHICHISGIVENTOTHECONTRACTORISREIMBURSEDTOTHOSEWHOAWARDEDTHECONTRACTAS“BRIBE“USUALLYOFHUGESUMSOFMONEYANDTHISTHEREBYINCREASESTHECOSTOFTHEPROJECT,AFFECTSTHEQUALITYOFJOBEXECUTEDBYTHECONTRACTORANDWILLALSOLEAVETHEPROJECTEITHERUNEXECUTEDORABANDONEDTHISISBECAUSETHEMONEYMEANTFORTHEPROJECTEXECUTIONHAVEBEENDIVERTEDINTOINDIVIDUALPOCKETSOSEMENAM,2004PROJECTCOSTCONTROLINTHENIGERIANCONSTRUCTIONINDUSTRYWWWIJESIORG67|PAGECOSTCONTROLISDONEBYWAYOFPROJECTPLANNINGANDSCHEDULINGUSINGDIFFERENTTYPESOFQUALITATIVETECHNIQUESAVAILABLETOTHEINDUSTRYTHELOGICOFTHESEPLANNINGISTOENABLETHECONTRACTORTOEXERCISEANEFFECTIVECONTROLOVERHISRESOURCESITISTHEDUTYOFTHEMANAGEMENTTEAMTOENSURETHATTASKARECARRIEDOUTINACCORDANCEWITHTHEPLANNEDLINEOFACTIONFRESHPLANSAREPREPAREDWHENCHANGESARENECESSARYANDUNAVOIDABLEITISTHEDESIRETOACHIEVETHESEPLANNEDLINEOFACTIONTHATASYSTEMOFMONITORINGHASTOBEINITIATEDIVCOSTMONITORINGANDCONTROLSYSTEMCONTROLLINGANDMONITORINGOFPROJECTSOCCURSWHENYOUESTABLISHWAYSTOTRACKTHECOURSEOFALLACTIVITIESANDEVENTSINTHEPROJECTASPROJECTISALWAYSADYNAMICENTITYSINCEITMUSTRESPONDTOCHANGINGCONDITIONSIFITISTOBECOMPLETEDSUCCESSFULLYITISCARRIEDOUTINANENVIRONMENTOFCEASELESSCHANGEANDTHEREISACONTINUALNEEDFORREASSESSMENTAN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