This brochure, updated in November 2007, was carried out with and to the attention of tower constructors. It concerns the towers under 6 meters meeting the requirements of safe assembly/disassembly. This specification calls for additional prevention methods that manufacturers must incorporate into their equipment in order to prevent falls from heights, MSD risks, tipping risks of towers ... The construction companies wishing to acquire towers meeting this specification may receive financial assistance from the CRAM.