Construction management system for the construction of a building wherein at least one heavy lifting machine , particularly a crane, is used for moving at least one building element to a mounting position on the building , the system comprising a central computing unit with calculation means and a data storage , the central computing unit providing a building information model comprising at least - a construction plan comprising a target state of the construction of the building , - a three-dimensional model of an actual construction state of the building , and - a three-dimensional model of the element , wherein the central computing unit is adapted to determine the mounting position for the element based on the construction plan , on the model of the current construction state and on the model of the element , and wherein the system comprises - a machine controlling unit that is adapted to generate movement information to allow moving the element to the mounting position by means of the at least one lifting machine , and - a pose determining unit that is adapted to ▪ determine, in real time and in six degrees of freedom, a position and orientation of the element while it is lifted by means of the lifting machine , ▪ generate pose data based on the determined position and orientation of the element , and ▪ provide the pose data to the machine controlling unit in real time, wherein the machine controlling unit is adapted to generate the movement information in real time based on the pose data, characterized in that the pose determining unit is adapted to monitor a distance of the element to the mounting position and to determine the position and orientation of the element in six degrees of freedom only when the distance is below a pre-defined threshold value, the threshold value depending on a size of the element . - a construction plan comprising a target state of the construction of the building , - a three-dimensional model of an actual construction state of the building , and - a three-dimensional model of the element , wherein the central computing unit is adapted to determine the mounting position for the element based on the construction plan , on the model of the current construction state and on the model of the element , and wherein the system comprises - a machine controlling unit that is adapted to generate movement information to allow moving the element to the mounting position by means of the at least one lifting machine , and - a pose determining unit that is adapted to ▪ determine, in real time and in six degrees of freedom, a position and orientation of the element while it is lifted by means of the lifting machine , ▪ generate pose data based on the determined position and orientation of the element , and ▪ provide the pose data to the machine controlling unit in real time, wherein the machine controlling unit is adapted to generate the movement information in real time based on the pose data, characterized in that the pose determining unit is adapted to monitor a distance of the element to the mounting position and to determine the position and orientation of the element in six degrees of freedom only when the distance is below a pre-defined threshold value, the threshold value depending on a size of the element . ▪ determine, in real time and in six degrees of freedom, a position and orientation of the element while it is lifted by means of the lifting machine , ▪ generate pose data based on the determined position and orientation of the element , and ▪ provide the pose data to the machine controlling unit in real time, <EOS>