B

bending templates

Templates for checking the shape of a shell plate or profile. They may either be physical templates, for example, made of wooden board, or they may be adjustable, and thus reusable templates of different types.

bent flange

See flange. Folded flanges can be set both in panels and brackets.

bevel

The type of preparation on the edge of a plate or profile.

bill of materials

See assembly part list. Bill of materials (BOM) is equivalent to a structured assembly parts list.

block

• What is erected at the berth or in the dock as one lift. Complete steel and outfit group built as one entity for lifting into the hull construction area. Some yards allow blocks to be assembled into jumbo blocks before erection.

• The block is a geographical zone within a vessel, not necessarily equal to an assembly (a node in the assembly structure). It should primarily be considered a geographically constrained container of hull panels, used to establish the Design Structure

BOM

See bill of materials.

boundary

Often used for the outer 2D contour of a plate, panel, bracket, hole,

bracket

A small structure to connect rigidly two other structures. It normally consists of at most one plate, often with a triangular looking shape, optionally with stiffening of different types and with notches at the corners. Brackets may be type standard brackets or panel brackets

bracket panel

A panel which is used as a bracket. The reason for designing it as a panel is most often because it has a non-standard form.

burning

See cutting.

butt

See seam.