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The implementation of lean construction is very important in the construction industry to reduce waste and increase productivity. To ensure its effective implementation, clear and measurable Key Performance Indicators (KPIs) are necessary. Therefore, this research aimed to develop SMART-based KPIs (Specific, Measurable, Attainable, Realistic, and Time-bound) for lean construction implementation, which measure indicators throughout the project life cycle. In this context, both qualitative and quantitative methods were used to collect data. Quantitative data were collected through surveys, assessing the perceptions of respondents concerning KPIs that had been developed. Meanwhile, qualitative data were collected through interviews and expert Focus Group Discussions (FGDs), which included in-depth analysis and conclusions regarding lean construction KPIs. The results produced were KPIs that could be used to measure effectiveness in implementing lean construction, particularly for building projects in Indonesia. Consequently, this research provided new views concerning effective lean construction, which could be explored in more depth and implemented for stakeholders in the construction industry. This development could eventually improve project performance by reducing waste and increasing productivity in construction projects. [ABSTRACT FROM AUTHOR]

The value of construction projects in Indonesia is significantly enhanced by partnering, leading to the adoption of the model by the government. The Indonesian government, through the Ministry of Finance, is developing the partnering model based on Public–Private Partnerships (PPPs) projects to further accelerate extensive infrastructure development. By leveraging PPPs, these projects intend to bridge the funding gap experienced by the government to facilitate swift infrastructure development and enhance the value of construction projects even further. Therefore, this study aimed to examine PPPs, such as the solicited projects occurring in Indonesia. Solicited projects were government-initiated PPPs based on long-term development plans. A qualitative method was adopted, conducting in-depth analyses at three locations with solicited PPP projects. Using Soft System Methodology (SSM) and expert Focus Group Discussion (FGD) through the Delphi method, this study investigated the interactions and depth of partnering in PPP projects. The obtained results emphasized the positive impact of solicited projects on Indonesian infrastructure development, addressing the funding gap experienced by the government. This study further contributed new insights for stakeholders and academics in the development of the projects in Indonesia, emphasizing the necessity of extensive development to support the implementation. [ABSTRACT FROM AUTHOR]

The construction industry is naturally complex and constantly changing, with various factors impacting project results. Among the different methods developed to navigate this complexity, partnering is believed to increase project value and performance. Therefore, this research aimed at analyzing and formulating elements as well as indicators at each phase of a partnership-based project life cycle, serving as tools and techniques for measuring the depth of partnering in construction projects. The methodology used included both qualitative and quantitative methods (mixed method). In the qualitative method, the literature from relevant journals, books, and previous research was reviewed. This process was followed by an expert assessment through a Focus Group Discussion (FGD) to define elements and indicators for measuring the depth of partnering in construction projects. Meanwhile, the quantitative method comprised analyzing secondary project data to compare projects with in-depth partnering in order to deliver better value. The result of this research was the development of Key Performance Indicators (KPIs) to measure maturity partnering in partnership-based projects. Typically, the tools were adjusted to different phases of the project life cycle, starting from project initiation, comprising all stakeholders. Consequently, the outcome of this research could be used by organizations in the construction industry to develop partnering in partnership projects in Indonesia. [ABSTRACT FROM AUTHOR]

Procurement is the process of obtaining goods and services in a construction project and is a crucial point for the success of a design and build (DB) project. The success of a DB project has an effect on work performance metrics such as cost, quality, and time. Therefore, this research aims to develop a readiness model for implementing sustainable procurement in a DB project with a financing system in the state/regional budget (APBN/APBD). By using previous literature reviews, this research adopted a mixture of qualitative and quantitative methods. Specifically, the qualitative method was conducted using in-depth interviews, and conclusions were drawn using the Delphi method and focus group discussion (FGD). Meanwhile, the quantitative method was used to analyze secondary data from the current DB project in order to examine sustainable procurement. The projects examined were spread across the country and had a value of at least 100 billion. Consequently, the results showed that various factors influenced sustainable procurement in the DB management project. In addition, this research impacted better procurement management in the DB project based on APBN/APBD funding, thereby increasing project productivity and innovation, as well as other beneficial values to stakeholders. Typically, the result could be used as a readiness model for implementing sustainable procurement in a DB project with APBN/APBD funding schemes, serving as a guide for construction management in the future and being useful for decision making on government projects. [ABSTRACT FROM AUTHOR]

The current state budget allocated for Indonesian government projects has exceeded 10% for infrastructure development. This large budget indicates a need for the construction industry to implement more professional management practices for better cost, time, quality, safety, and environmental impact. Lean construction is used to increase productivity and reduce waste in a project. Therefore, this study aimed to extend lean construction principles to the planning and execution phases of DB projects, where these two entities are integrated into the main contractor. Quantitative and qualitative study methods were used to analyze secondary data from six DB project sites and conduct focus group discussions (FGDs) with expert panels using the Delphi method for consensus. The results showed the factors and variables that influence the implementation of lean construction in government projects in Indonesia. [ABSTRACT FROM AUTHOR]

Many projects in Indonesia have implemented new strategies in response to the COVID-19 outbreak. Many projects suffered unexpected losses during the COVID-19 pandemic, and conditions were unpredictable. This situation must be considered by all stakeholders participating in a project. Another problem in the implementation of construction is the fragmentation between project participants. Therefore, a strategy is needed in each phase of the project life cycle. In the absence of proper planning, the contractor is the party responsible for bearing the risk associated with this occurrence. Improved project performance is a shared responsibility among owners, contractors, designers, and subcontractors, all of whom need to tap into their own sources of creativity and innovation. The potential of partnering as a tool for achieving lean construction performance, it is still in its infancy as a means of enhancing project outcomes. In this study, we used qualitative methods and in-depth interviews enhanced by focus group discussions of 14 experts (owners, designers, contractors, and academics) using the Delphi method. The results illustrate the maturity of partnering in integrated project delivery (IPD); therefore, its guiding philosophy can be developed and implemented to improve the outcomes of construction projects in terms of cost, quality, schedule, health and safety, and environmental performance. The most important part of this research is related to the implementation of the 17th goal of the Sustainable Development Goals (SDGs), i.e., partnerships to achieve the goals. This research contributes to a deepening of partnering practices that can drive performance in project implementation. [ABSTRACT FROM AUTHOR]

The project delivery system has a large effect in determining the quality of a project. Strategic plans determined by the owner in the project initiation phase must ensure that project performance indicators in the form of cost and quality as well as time are accomplished. A concept of partnering that is well-managed and planned from the initiation phase will determine the quality of the construction project. Increasing the maturity of partnering is needed in order to achieve better project performance indicators. The concept of partnering in integrated and non-integrated projects has a different pattern. This study intends to discuss the concept of partnering and then recommend several key strategies according to the project life cycle. Research this study is quantitative, analyzing secondary data in the form of weekly meetings and project reports with the comparative method and cause-and-effect analysis. The results show that in the phase above 51% of ongoing projects, there is a significant difference in the pattern of partnering between integrated and non-integrated projects. In order to improve deeper partnering, this research reveals several prerequisites that must be met in order to carry out effective partnering in non-integrated projects. This research may benefit owners, contractors, and stakeholders who want to develop their understanding and knowledge of the concepts of partnering and the maturity of partnering, which will be new strategies for developing and improving project delivery systems. This study focuses on a topic from the Sustainable Development Goals (SDGs), specifically partnership for the goal. [ABSTRACT FROM AUTHOR]

While the performance evaluation of reverse logistics (RL) practices in the construction sector is crucial, it is seemingly limited compared to that in the manufacturing sector. As the project life cycle in the construction sector is typically long, effective coordination among the stakeholders is needed to integrate RL into each phase of the project life cycle. This paper proposes a new model of RL for the construction industry, incorporating the dimensions, elements, and, most importantly, indicators needed for the evaluation of RL performance. The model was initially derived from the extant literature. It was then refined through (1) focus group discussion, by which suggestions pertinent to the proposed model were collated from academics and practitioners, and (2) judgments by academics and practitioners to validate the model. The validated model includes 21 indicators to measure RL performance, spanned throughout the green initiation, green design, green material management, green construction, and green operation and maintenance phases. The paper offers a new method for how RL can be adopted in the construction industry by proposing an innovative model that will benefit stakeholders in the construction industry. [ABSTRACT FROM AUTHOR]