It is best if all work can be carried out on the ground or at a level where all edges and openings can be secured to prevent persons or objects from falling to a lower level. However, where working at height is unavoidable, in addition to the Employer’s Working at Height Policy and Procedures, the following practices are strongly recommended: i.e., procedures that comply with relevant legislation on securing of personnel, erection of working platforms, over-the-side work, ladders, hoists, tools and other devices, etc.