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Kalkylerade kostnader ställda mot verkligt utfall för infraprojekt: Analys och uppföljning av infraprojekt
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering.
2015 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
Calculated costs pledged against the actual outcome for infra projects : Analysis and follow up of infra projects (English)
Abstract [sv]

Infrastrukturella projekt har ofta kalkylavvikelser, vilket har varit huvudanledningen till inriktningen för detta examensarbete. Rapporten beskriver mot en teoretisk referensram, kostnadskalkylering vid olika skeden i byggprocessen. Det redogörs hur kalkyleringen förändras och blir mer detaljerad i takt med att fler faktorer om det aktuella projektet efterhand blir kända. I rapporten läggs viss tyngdpunkt på uppföljningar av fyra stycken infraprojekt som kalkylerats hos Bygganalys på ÅF-Infrastructure AB. Kalkylerna har gjorts på uppdrag av beställaren Stockholms stad trafikkontor. Kostnadsuppskattningarna har ställts mot respektive entreprenörs anbudskalkyl/prissatta mängdförteckning för att identifiera vilka kostnadsposter som bidrar till kalkylavvikelser för de fyra projekten. Det redovisas även en uppföljning av den uppskattade ÄTA-summan som gjorts av Bygganalys för projekten, vilket ställts mot den verkliga ÄTA-summan. I uppföljningen av ÄTA-posterna har det även gjorts en identifikation av vilka avvikelser som orsakats av projekteringsfel och vilka som berott på ändrad arbetsomfattning eller kvalitetshöjande arbeten. I rapporten förekommer även slutsatser om orsaker till avvikelserna i kostnadsuppskattningarna och en redogörelse om vad avvikelserna kan bero på.

Abstract [en]

Infrastructural projects do often have calculated deviations, which has been the main reason to the selected orientation for this exam report. The report describes against a theoretical framework, cost accounting at different stages in the building process and how the calculations change and get more detailed as more factors about the current project gradually becomes known. The point of balance in the report is put on follow-ups of four infraprojects that has been calculated on Bygganalys at ÅF-infrastructure AB in request of the client Stockholm city traffic office. The calculations have been set against each entrepreneurs tender document/priced amount list to identify which costing post that contributes to the calculated deviation for the four projects. It also describes a follow-up of the estimated changed, additional and outgoing work sum that has been made by Bygganalys for the projects, which has been pledged against the actual outcome for changed, additional and outgoing work sum. In the follow-up of changed, additional and outgoing work posts it has also been made an identification of which deviations that has been caused by project planning failures and which that has been caused by changes in the amount of work or quality improvements.

Place, publisher, year, edition, pages
2015. , 38 p.
Keyword [en]
Calculation, actual outcome, infraproject, costing post, cost deviation and percentage increase.
Keyword [sv]
kalkylering, verkligt utfall, infraprojekt, kalkylpost, kostnadsavvikelser och procentuellt påslag.
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-174848OAI: oai:DiVA.org:kth-174848DiVA: diva2:859510
External cooperation
ÅF-Infrastructure AB
Educational program
Bachelor of Science in Engineering - Constructional Engineering and Design
Supervisors
Examiners
Available from: 2015-10-07 Created: 2015-10-07 Last updated: 2015-10-07Bibliographically approved

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