This Framework Agreement With Purchase Orders Is A Framework Agreement For Intellectual Services For The Realization Of Level 3 Safety Coordination And Health Protection Missions, Relating To Building Work Operations. A Level 3 Operation Is Characterized By: - ​​At Least 2 Companies (With Or Without Particular Risks) - Less Than 20 Workers Simultaneously On The Site - A Duration Of Work Of Less Than 30 Days - A Volume Of Work Of Less Than 500 Man-Days