Section 1 General

101. Application

1. Welding to be used in hull construction and important equipment is to be in accordance with the requirements in this Chapter unless otherwise specified.

2. The welding in boiler, pressure vessel, main engine, auxiliary engine and pipe arrangement is to be in accordance with the requirements in Pt 5, Chs 2, 5 and 6 except where prescribed in this Chapter.

102. Matters to be approved

1. The welding is to be carried out in accordance with the procedures previously approved, with the electrodes, the wire and flux (hereinafter referred to as "welding consumables") or equivalent materials and by the welders qualified by the Society.

2. Where deemed appropriate by the Society, National Standards, internationally recognized Codes or Standards considered as equivalent for those may be applied instead of requirements of this Chapter. See Guidance

103. Special weldings

Where special welding and material not complied with the requirements in this Chapter is used, the welding procedures and the welding consumables are to be specially approved by the Society.

104. Terms and definitions

1. The term manual welding is used to describe processes in which the weld is made manually by a welder using a manually fed electrode such as shield metal arc welding, etc.

2. The term semi-automatic is used to describe processes in which the weld is made manually by a welder holding a gun through which the electrode wire is continuously fed such as metal arc weld- ing or flux-cored arc welding, etc.

3. The term automatic welding is used to describe processes in which the weld is made automatically

by a welder using a continuously fed electrode welding, etc.

wire such as submerged arc welding or electro-slag