Evaluation of Criteria Weights for Green Construction Implementation in Surabaya Using a Fuzzy Approach

Abstract

The rapid growth of the construction sector in Indonesia has contributed to national development, but it has also caused negative impacts on the environment, such as global warming. To mitigate these impacts, innovation is needed through the implementation of green construction an environmentally friendly and efficient construction management strategy aimed at supporting sustainable development. This study aims to analyze respondent assessment data in the decisionmaking process related to the implementation of green construction in Surabaya City by calculating the criteria weight values. This descriptive quantitative study aims to determine respondents preferences regarding the implementation of green construction in Surabaya City. A total of 60 respondents were selected as the sample using purposive sampling based on their active involvement in construction projects. Based on the analysis using the fuzzy method, it shows that the criterion of land management (Y1) has a weight of 0.199, construction waste management (Y2) has a weight of 0.160, the use of environmentally friendly materials (Y3) has a weight of 0.192, waste handling system (Y4) has a weight of 0.185, cost (Y5) has a weight of 0.147, environmentally friendly construction management (Y6) has a weight of 0.116, and awareness of implementing environmentally friendly construction (Y7) has a weight of 0. The result of analysis that the land management criterion (Y1) is the most dominant indicator of green construction implementation in Surabaya City, while the awareness of implementing environmentally friendly construction criterion (Y7) has a very low weight, so its role as an indicator in this study is considered less significant.