Before any work is carried out on the site, the contractor in charge of the main work or the main lot, as well as any contractor called upon to carry out work presenting particular risks included in the list of work provided for in article L. 4532-8, must send a copy of the specific safety plan to the Labour Inspectorate, to the prevention department of the social security bodies and to the Organisme professionnel de prévention du bâtiment et des travaux publics. They shall attach the opinions of the occupational physician and the members of the social and economic committee, if these have been given under the conditions provided for in article R. 4532-69.