PART XI SCAFFOLDS, STAGES AND WORK PLATFORMS — Definitions

"tower scaffold" means a double-pole scaffold comprised of only one bay;

"end frame scaffold" means a system of fabricated tubular metal frames (panels) that are connected in the field with bracing members;

"system scaffold" means a scaffold consisting of posts with fixed connection points which accept runners, bearers and diagonal braces that can be interconnected at predetermined levels;

"tube and coupler scaffold" means an assembly of tubing members (posts, bearers, runners, diagonal braces, ties), a base supporting the posts and special couplers to connect the uprights and to join the various members; and

"tubular metal scaffold" means a scaffold with members made primarily of steel or aluminium tubing.