Section 7101 Of Article 1. Floors And Walls From California Labor Code >> Division 5. >> Part 3. >> Chapter 1. >> Article 1.

. Every building shall have the joists, beams, or girders of floors below the floor or level where any work is being done, or about to be done, covered with flooring laid close together, or with other suitable material to protect workmen engaged in such building from falling through joists or girders, and from falling substances, whereby life or safety is endangered.