Regulatory and administrative requirements pertaining to construction works contracts are determinant in attaining the results expected in terms of the cost of works.

A contractual committent which is satisfying for all cannot be dissociated from a controlled project cost; both are based on an indepth knowledge of administrative and regulatory texts, wheter the operation is public or private.

The frequently difficult context of relationships with building contractors necessitates an interlocutor well-versed in administrative procedures, who may also provide useful advice to owners and architects in making basic choices, assist owners in case of litigation, and generally defend the interests of the owner and project design team.

The writing up the particular clauses of contract for works is particularly important, and must be complemented by effective management of the limits of works among the various building trades, which should be summarized in the general technical documents.