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Risk Analysis of Implementation of Water Resource Construction Projects Based on Price Ratio of Offer to Owner Estimate Bayu Purnama; Andreas Franskie Van Roy; Andreas Wibowo
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 2 (2022): Budapest International Research and Critics Institute May
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i2.4771

Abstract

Contractor selection is a decision characterized by multiple objectives. Project owners want to minimize possible project costs but they also want contractors to be able to complete work on time and meet acceptable quality standards. The methods used in this research are Questionnaire, Microsoft Excel, and Statistical Package for the Social Science (SPSS). The purpose of this research is to identify the risks that may or may occur in the implementation of water resources construction projects based on the bid price against the owner estimate to determine the actions that must be taken to prevent and handle the risks that occur in the implementation. The results of the analysis of the 27 (twenty-seven) risk variables above, several risk variables have a high value (high risk), meaning that the risk has the potential to occur in the implementation of water resources construction projects, both at the bid price < 80% owner estimate and the bid price > 80% owner estimate.
Supervisory Behavior That Affects Worker’s Safety Behavior in Construction Project Bayu Purnama; Anton Soekiman
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 3 (2022): Budapest International Research and Critics Institute August
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i3.6498

Abstract

As development progresses in Indonesia, there is an increase in the number of work accidents in the Indonesian construction industry. Therefore, the researcher wants to identify the supervisory behavior of project supervisors that can significantly impact workers' safety behavior in construction projects and describe the appropriate impact path using Structural Equation Modeling (SEM). This study uses a purposive sampling method. In contrast, this study's sample is construction workers involved in construction projects that implement safety management at construction sites. The results obtained from confirmatory factor analysis and structural equation modeling indicate that there are direct and indirect impacts of supervisory behavior on worker safety behavior. Reactive and supportive actions had a direct impact on the safety behavior of workers (β = 0.036), but had no impact on the safety climate. In contrast, training and preventive actions had an indirect impact on worker safety behavior (β = 0.393), which was mediated by four safety climate factors, namely (1) worker involvement, (2) supervisory environment, (3) workmate influence and (4) competence.