Subsection 3: Provisions specific to building renovation projects

The purpose of the diagnostic studies, which provide the client with information about the state of the building and the feasibility of the operation, is to:1° Establish an inventory of fixtures;2° Provide a functional, urban planning, architectural and technical analysis of the existing building;3° Establish a functional programme for the use of the building and a financial estimate, from which the feasibility of the operation can be deduced.The project manager…

Preliminary design studies include the summary preliminary design studies defined in article R. 2431-21 and the final preliminary design studies defined in article R. 2431-22. Preliminary design studies also include the preparation of files and consultations falling within the remit of the project manager and, where applicable, required to obtain planning permission and other administrative authorisations, as well as assistance to the project owner during their examination.

The purpose of the preliminary design studies is:1° To propose one or more overall solutions reflecting the major elements of the functional programme and to present the general technical provisions envisaged;2° To indicate the provisional timescales for completion;3° To establish a provisional estimate of the provisional cost of the works for the various solutions studied.

The purpose of the preliminary design studies is :1° Determine the dimensions of the structure and its appearance, using plans, sections and façades;2° Define the materials used;3° Enable the project owner to make a final decision on the programme and certain equipment choices based on investment, operating and maintenance costs;4° To establish the final estimate of the provisional cost of the works, broken down by trades;5° To enable the fixed…

The provisions of articles R. 2431-12 to R. 2431-18 apply to the rehabilitation of building works.