See II.2.4

Framework agreement for the maintenance of the green zones on the client's premises. In addition to providing a fixed maintenance schedule for the surfaces described in the specifications, the service provider can also be called upon for additional services in management. Furthermore, the winter service and the provision of a permanence service are also included as a permanent part of the contract.

In application of Article 15 of the Law of 17 June 2016, this assignment is partly reserved for sheltered workshops and for entrepreneurs whose aim is the social and professional integration of disabled or disadvantaged people.