Abstract

Conflicts often occur with public facility construction. In sociology terms, the factor caused opposite opinions and flights from neighborhood people called NIMBY (Not In My Back Yard) phenomenon. Although NIMBY has been mentioned and discussed in lots of related researches, but there is no particular one to focus on making NIMBY phenomenon into quantization based on construction job-site interface. In this study, the Wastewater Sewer System construction project has been taken as a real case to find main factors caused NIMBY phenomenon and then makes the affiliated NIMBY phenomenon into quantization. The Wastewater Sewer System construction project is taken as the demonstration case due to wastewater facility belong to low accepting and high NIMBY within all public construction projects. In this study, the questionnaire and consulting survey are made to investigate the professional opinions of experts of sewer system facility and NIMBY response of citizens. The questionnaire is designed by fuzzy linguistic scale and quantized by Fuzzy Delphi Method. Then mainly factors caused NIMBY phenomenon and corresponding improvement measures are derived by the result of questionnaires and anti-NIMBY self-check list which can be established and used in daily process at construction job-site. This research develops NIMBY curves to estimate the NIMBY affection of citizens under the unsure circumstance of noise, air and water pollution with sewer system construction. Also the fuzzy rule base can be discovered by predicting NIMBY affection under the various violence of noise, air and water pollution in Fuzzy Inference Method. The anti-NIMBY self-check list for sewer system construction developed by this study can be used for examining the factor caused NIMBY and finding corresponding improvement measures in pre-construction period and construction period for managing workers at construction field. During construction period, the NIMBY Conflict Index system calculated from fuzzy rule based on NIMBY affection can be executed persistently to control NIMBY affection to avoid NIMBY conflict events happened.

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