This paper proposes collaborative multi-agent systems for real-time monitoring and planning on construction sites. A multi-agent system framework is discussed to support construction equipment operators by using agents, wireless communication, and field data capturing technologies. Data collected from sensors attached to the equipment, in addition to an up-to-date 3D model of the construction site, are processed by the multi-agent system to detect any possible collisions or other conflicts

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... ed to the operations of the equipments, and to generate a new plan in real time. The potential advantages of the proposed approach are: more awareness of dynamic construction site conditions, a safer and more efficient work site, and a more reliable decision support based on good communications.