Study of Contract Change Order (CCO) on Implementation Time in Building Construction Project

The aim of this research is to identify the main causes and effects CCO in construction Palu State Islamic University (IAIN) campus II building project for Faculty Tarbiyah Teacher Training Sharia Economics Lecture Building. Tasks included conducting a field survey via questionnaire interviews with parties; owner, contractors consultants who are directly related project. It was determined that top three from contractor consultant. has do at beginning 70% respondent, while consultant changed contract order mid-project implementation 50% respondents end contractor. results quite important study discovery volume estimation errors changes work methods. Errors estimating volumes caused by planning consultant's inaccuracy so there significant difference initial conditions some items experience an increase or decrease