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DIN 4420 refers to a series ofDINstandards dedicated to working and protectionscaffolds. The standard is divided in the following parts:

• DIN 4420-1 - Service and working scaffolds - Part 1: Service scaffolds - Performance requirements, general design, structural design^[1]
• DIN 4420-2 - Working and protection scaffolds – Ladder scaffolds
• DIN 4420-3 - Service and working scaffolds - Part 3: Selected types of scaffolding constructions and their basic versions^[2]
• DIN 4420-4 - Working and protection scaffolds – Prefabricated scaffolds – Materials, components, dimensions, loadbearing capacity and safety requirements

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