Abstract
Surpassing of the planned budget and delivery time is a common feature during the implementation of building investments in Poland. Only a small number of companies use effective methods of project monitoring during investment performance. One of the popular tools used to control projects with regard to cost and time is the earned value method (EVM). There is, however, no detailed guidance how to deploy the method to the specific characteristics and conditions during the execution of building investments. This fact has contributed to this paper, which presents the results of application and adaptation of the earned value method (EVM) and its further extensions in the control of building projects during their execution (with regard to cost and time), prediction of the final duration and costs, and presentation of the effects resulting from calculations. The analyses were performed in terms of the contractor for 5 selected completed and ongoing building projects in Poland.
Highlights
The paper concerns the problem of control in the performance of building investments during their implementation with regard to cost and time in relation to the contract execution status
It presents results of calculations based on earned value method (EVM) method and its extension performed on 5 construction projects in Poland
The analyses presented in the paper have been subdivided into two groups: basic EVM analysis and a broadened EVM analysis including estimate of cost and final duration
Summary
The paper concerns the problem of control in the performance of building investments during their implementation with regard to cost and time in relation to the contract execution status It presents results of calculations based on EVM method and its extension performed on 5 construction projects in Poland. Data required for the analysis were obtained directly from the contractor of the project None of these objects was controlled during the performance using calculation methods. Often the construction schedule was more detailed, while positions in financial schedule were more general and resulted from the requirements specified by the investor Due to these discrepancies, before starting the calculations, obtained data have been analysed, organised and sorted out in order to perform analysis using the EVM method. For all object calculations were conducted on a monthly basis
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