The finishing work of the factory is the last step of the construction work, so the order of finishing work needs to be considered and calculated so that during the entire factory construction process, there is no remaining work, otherwise causes damage to the finished place. The process of carrying out factory construction work is often intertwined, so it happens that the following things damage or hinder each other, so the quality supervision consulting engineer next to the investor is the one who has to organize coordination. The members participate in the construction in a smooth and harmonious manner, without affecting each other's work between the units that have to construct on the same construction site. To achieve harmony and harmony in the process of completing the factory, the consulting and supervising engineer must come up with a coordination plan in the coordination schedule (master schedule) and discuss with relevant parties to Do it together, avoid prolonging construction time and wasting effort such as doing it over and over again due to lack of coordination.