The purposes of this research are to 1) analysis the factors affecting time delay on project; 2) analyze the most dominant factor affecting time delay on project; 3) determine the strategies that should be done by the contractor to prevent time delay. The present research uses survey method by gathering opinions, experience, and attitude of respondents regarding to problems in the projects of Kaliorang District Office Development in East Kutai Regency, by taking primary data through

more »

... e and secondary data from related institutions. Based on t test, partially factors significantly affecting time delay on the project of Kaliorang District Office Development in East Kutai Regency are Workers (X3) and Work Environment Factors (X7). The most dominant factor affecting time delay on the project is Workers Factor with β coefficient value of -0,787. The strategies used to prevent the time delay on workers (X3) and work environment factors (X7) are: 1) The contractor should add workers who have skills as it needs and the experts who have their own qualifications; 2) Anticipating the environment condition of a site and making socialization to community and local government to determine land, layout or site that will be used.