30 feet
A safety net help to defend people from damage after coming from elevations by limiting the distance they fall off, and swerving to disperse the influence energy. Safety nets are utilized in architecture, building preservation, recreation, or other activities. Safety nets must be attached as near as possible under the cover on which workers are operating but in no event more than 30 feet beneath. When nets are applied on platforms, the possible fall area must be unobstructed.