Evaluating a new work organisation method for maintenance technicians. Qualitative survey with local authorities (Cité des Congrès, Nantes Métropole, Conseil général, Conseil régional) and cleaning companies (Guesneau Propreté, ADC Propreté, Grandjouan Propreté, N.A.S., Clersol, Impec’ Entretien, ONET...). Producing a diagnosis of the situation and a series of recommendations. Assessment of productivity, recruitment methods, team management practices and communication.