System for supervising and guiding persons in construction

A system for supervising and guiding persons in a construction divided into a plurality of sections comprising:

• identifying means provided in each respective section for receiving radiation emitted from one or more persons located in one or more respective sections, each identifying means producing a signal representing the presence of one or more persons in a respective section, and supplying the signal to a central control room in such a way that the central control room can identify said respective section;
• means arranged in the central control room for receiving signals supplied from identifying means in respective sections in which one or more persons are situated;
• means provided in the central control room for displaying the detected position of said respective sections in which one or more persons are situated;
• means provided in the central control room for sending information to persons in said respective sections in which one or more persons are situated;
• means provided in each respective section for detecting an abnormal condition occuring in respective sections and producing a signal, and means provided in the central control room for responding to said detection signal;
• means provided in the central control room for generating information adequate for emergency escape on the basis of the detected positions of persons and the positions of sections in which the abnormal condition has been detected, and means for displaying the information together with the detected positions of persons;
• and
• means provided in each respective section for displaying said information adequate for emergency escape.