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Construction industry has been developing rapidly around the world. One of the problems in construction management is construction waste. It has major impact on cost, time and quality of construction management. The aim of the study was to examine the correlation model of construction waste cause to cost and time that impacts infrastructure project. The variable of cause construction waste was identified from interviews, observation and some references about construction waste causes. The variable of cost and time was generated from Supply Chain Operations Reference (SCOR) Model approach. A survey was carried out through a structured questionnaire. The respondents were experienced people in the area of construction and management of building projects. In this initial study, questionnaires were completed by 383 respondents. Data were then analyzed with Structural Equation Model (SEM) with statistical package, Analysis of Moment Structures (AMOS) as an analytical tool. The results indicated that the cause factors of construction waste were correlated to cost and time both cost and time had a correlation shown by the coefficient value of 0.51, significantly α = 0.05. It indirectly impacted on quality of infrastructure project system. The finding was expected to help construction practitioners reduce construction waste cause factors and to give better understanding to improve the infrastructure project in a sustainable way. Keywords—Construction, Waste, Management, Time, Cost, Infrastructure

Correlation Model of Construction Waste Cause Factors to Cost and Time in Infrastructure Project