Except when the erection, use, and dismantling of conventional means of reaching the worksite, such as a personnel hoist, ladder, stairway, aerial lift, elevating work platform, or scaffold either would be more hazardous, or is not possible because of structural design or worksite conditions, the use of a crane, derrick, or hoist to hoist employees on a personnel platform is prohibited. When used, a personnel platform shall meet the applicable requirements of this chapter.