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Purpose: The objectives of this study are to elaborate on the concepts, dimensions and elements of green supply chain management (GSCM) and develop a framework of GSCM implementation for the construction industry. Design/methodology/approach: This paper presents the findings from a study where experts were asked to contribute their opinions related to GSCM in the construction industry. To develop the model, the Delphi method was used. The objective of this method is to achieve the most reliable consensus in a group of experts. Findings: The research result is a developed framework for GSCM in the construction industry comprising five concepts, 22 dimensions, and 82 elements. Research limitations/implications: The limitation of this research is that its output was the discovered elements, but it did not cover the implementation of this model in construction projects, so some elements may be missing. Practical implications: The output of the research could give new perspective to manage the construction project based on Green Supply Chain Method. Social implications: The stakeholder of the construction project has to learn with this concept (Green Supply Chain) in order to improve construction's project performance. Originality/value: The originality of this research is that it is a new theme in the area of the construction supply chain. Previous research merely considered the concept of GSCM in construction. Therefore, this research develops an assessment model for performance indicators of GSCM implementation in construction projects. [ABSTRACT FROM AUTHOR]

Strategy is required in order to win the competition. Bidding strategy in construction is defined as a management skill of using all available resources, both physical and financial, to offer a comprehensive and competitive bidding, with an aim to win the competition, and provide maximum project performance. There are many factors that influence construction bidding strategy, and many indicators of project performance have to be considered. Therefore, the relation between bidding strategy and project performance is very complex. Contractors have to consider this very carefully, and they have to evaluate their bidding strategies to ensure that the company goals have been achieved. Dynamic system is a method for develop a management simulation using computer, and helps the study of dynamic complexity; understand the source of policy resistance and helps the design of more effective policies. Furthermore, dynamic system is explained as a tool simulation system that is able to solve the problem of system complexity and also can present behaviour of real world. The study aims to develop a dynamic model and the simulation of bidding strategy and project performance. Case study was carried out in the major contractor in Denpasar, and the analysis used is System Dynamics. The model demonstrated that bidding strategy had a direct impact to project performance. The model simulation found that the enhancement of bidding strategy by 13.67% improved the project performance significantly, by 10.55%, from bid price. [ABSTRACT FROM AUTHOR]

Knowledge management is a concept of managing of knowledge in the company. The implementation of concept has different levels in each company. Knowledge management maturity is a guide or measure of the company's position in managing of knowledge. The objective of the study is to identify knowledge management maturity in Indonesian construction companies. This study used a survey method and conducted by distributing questionnaires to large construction companies that implement knowledge management activities. Four level of knowledge management maturity was proposed on this study. The results show that 29 contractors at the practiced level, 20 contractors at managed level and 5 contractors at continuously improved level. [ABSTRACT FROM AUTHOR]