Application of the Randomized Earned Value Method to assess the advancement of the construction of the office building under the unstable implementation conditions

• Autorzy: Kasprowicz Tadeusz , Starczyk-Kołbyk Anna

Identyfikatory

DOI

10.24425/ace.2024.148906

Warianty tytułu

PL

Zastosowanie randomizowanej metody wartości wypracowanej do oceny zaawansowania budowy biurowca w niestabilnych warunkach realizacji

• Języki publikacji: EN

Abstrakty

EN

The REVM method is a modernized option of classical EVM method. The new method has been developed for applying in unstable condition of works implementation. When the works can be accidentally disturbed and the impact of random disruption factors on course and results of works must be taken into consideration. Next, Randomized Budgeted Duration to Completion and Randomized Budgeted Cost to Completion that is duration and cost of works remaining to execution after each inspection, as well as the Randomized Budgeted Duration at Completion and Randomized Budgeted Cost at Completion that is duration and cost of all works of the project completion after the site inspection. Moreover, the risk of durations and costs overrun of works are evaluated. It is important that input data required for the REVM method are the similar and are measured in the same way as in typical control of advancement works. But results of the application consist new decision information. Control of the investment under deterministic conditions, without taking into account the risk of disruptions, resulted in a final deviation from the planned budget of over 7%, and from the planned completion of the investment by almost 12%. Without analysing the factor related to disruptions at the investment implementation stage, the material and financial schedule was completely outdated. On the other hand, when controlling the investment under risk conditions and introducing organizational and technological changes adequate to the inspection reports, the final deviation from the planned budget was less than 2%, and slightly more than 2% from the planned completion date. Researches confirm that the results received by using the REVM method well reflect real situation of works implementation.

PL

Metoda REVM jest unowocześnioną wersją klasycznej metody EVM. Nowa metoda została opracowana do stosowania w niestabilnych warunkach realizacji robót. Kiedy roboty mogą zostać przypadkowo zakłócone i należy wziąć pod uwagę wpływ przypadkowych czynników zakłócających na przebieg i wyniki robót. Następnie Randomizowany Budżetowy Czas Trwania do Ukończenia i Randomizowany Budżetowy Koszt do Ukończenia, czyli czas trwania i koszt robót pozostałych do wykonania po każdej kontroli, a także Randomizowany Budżetowy Czas Trwania po Ukończeniu i Randomizowany Budżetowy Koszt po Ukończeniu, czyli czas trwania i koszt wszystkich prac związanych z realizacją projektu po dokonanej kontroli. Ponadto oceniane jest ryzyko przekroczenia czasu trwania i kosztów robót. Ważne jest, aby dane wejściowe wymagane do metody REVM były podobne i mierzone w taki sam sposób, jak w typowej kontroli zaawansowania robót. Jednakże wyniki zastosowanej metody zawierają nowe informacje decyzyjne. Sterowanie inwestycją w warunkach deterministycznych, bez uwzględnienia ryzyka zakłóceń, spowodowało ostateczne odchylenie od planowanego budżetu o ponad 7%, a od planowanego czasu zakończenia inwestycji o prawie 12%. Bez analizy czynnika związanego z zakłóceniami na etapie realizacji inwestycji harmonogram rzeczowo-finansowy był całkowicie nieaktualny. Z kolei przy kontroli inwestycji w warunkach ryzyka i wprowadzaniu zmian organizacyjnych i technologicznych adekwatnych do protokołów z kontroli ostateczne odchylenie od planowanego budżetu wyniosło mniej niż 2%, a od planowanego terminu zakończenia nieco ponad 2%. Badania potwierdzają, że wyniki uzyskane metodą REVM dobrze odzwierciedlają rzeczywisty stan realizacji robót.

Słowa kluczowe

EN

construction investment; duration; cost; risk; randomization; project management

PL

inwestycja budowlana; czas trwania; koszt; ryzyko; randomizacja; zarządzanie projektem

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2024
• Tom: Vol. 70, nr 1
• Strony: 169--199
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Kasprowicz Tadeusz

• Military University of Technology, Faculty of Civil Engineering and Geodesy, ul. gen. Sylwestra Kaliskiego 2, 00–908 Warsaw, Poland

• https://orcid.org/0000-0002-2594-9541

autor

Starczyk-Kołbyk Anna

• Military University of Technology, Faculty of Civil Engineering and Geodesy, ul. gen. Sylwestra Kaliskiego 2, 00–908 Warsaw, Poland

• https://orcid.org/0000-0002-5448-7366

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).