Self-employed workers, as well as employers when they are directly involved in an activity on a building or civil engineering site, implement, with regard to other persons working on the site as well as themselves, the general principles of prevention set out in 1°, 2°, 3°, 5° and 6° of article L. 4121-2 as well as the provisions of articles L. 4111-6, L. 4311-1, L. 4321-1, L. 4321-2, L. 4411-1 and L. 4411-6.