a. show the longitudinal profile with a description of soil types down to 1 m below the excavation level and installations in the ground; b. Show a typical cross-section. When shoring (bracing) is planned, this shall be indicated on the drawing; c. Show where the excavated material is to be placed; d. Contain work instructions that ensure the excavation work is carried out in a way so that the employees’ health and safety are safeguarded in a fully responsible manner.