Check the state of the floor, making sure that its absorption of impact, restitution of energy and adherence properties are adequate. Check the surface for cleanliness, any sharp edges, level differences, holes. Take into account these conditions when planning the rehearsal and training sessions in order to avoid health problems. Notify the appropriate person or people of any problems. Remove unwanted or unnecessary material. Clearly indicate the performance area. Position the props. Determine the optimal viewpoint.