In most cases, the duration of maintenance is from six months to one year. The standard agreement between the owner and the contractor contains complete details about the construction. Construction must be carried out in accordance with local construction guidelines. The contract should contain drawings and specifications approved by the competent authority. The details of the authorization granted by the local government should also be mentioned in the agreement. This type of agreement defines very well the purpose and scope of the agreement. In this alternative, the provisions and conditions of the treaty are clearly understood by each party. A construction contract is concluded between a client who wishes to build or rebuild a new structure and a general contractor. The agreement describes the scope of the general contractor`s work, including payment and the right to entrust subcontractors with all tasks related to the completion of construction. . . .