Respuesta :

C. 30 ft

"Safety nets must be installed as close as practicable under the surface on which employees are working, but in no case more than 30 feet below."

Answer:

option C

Explanation:

The safety net of workers must be mounted at minimum 30 ft just under the area of work. On other sides, the net would stretch 2.4 m beyond working area. The net should be put in place to make ensure that, if an employee drop in to the net, a dropping employee can't interact with any other surface or obstacle.