This document deals with all significant hazards, hazardous situations and events as listed in Clause 4 which are relevant to semi-automatic and automatic horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws), hereinafter referred to as "machines", designed to cut solid wood, chipboard, fibreboard, plywood and also these materials when covered with plastic edging and/or plastic/light alloy laminates.Any work-piece positioning equipment fitted to the machine is included in this European Standard. This European Standard does not apply to machines: a) with manual feed of the saw unit; or b) for cross cutting logs; or c) specifically designed for sawing and/or milling roof timber frames; or d) fitted with hydraulic braking systems. NOTE 1 Radial arm saws with manual feed of the saw unit (the saw unit is moved by hand) are dealt with in prEN 1870-17 and prEN 61029-2-2. For Computer Numerically Controlled (CNC) machines this European Standard does not cover hazards related to Electro-Magnetic Compatibility (EMC). NOTE 2 The requirements of this European Standard apply to all machines whatever their method of control e.g. electromechanical and/or electronic.This European Standard is primarily directed to machines which are manufactured after the date of issue of publication by CEN. NOTE 3 Machines covered by this European Standard are listed under A.1.4 of Annex IV of the Machinery Directive.