This international standard deals with all significant hazards, hazardous situations and events as listed in Clause 4 which are relevant to horizontal beam panel sawing machines with the saw carriage of the front cutting line mounted below the workpiece support, which are manually or mechanically loaded and/or unloaded, hereinafter referred to as "machines", when they are operated, adjusted and maintained as intended and under the conditions foreseen by the manufacturer including reasonably foreseeable misuse. Also transport, assembly, dismantling, disabling and scrapping phases have been taken into account.