Scaffold decks shall be installed so that individual components cannot be displaced during normal use.Gaps of more than 0.30 m between walls and scaffolding shall be secured, cf. Section 6-5 of the Workplace Regulations. The scaffold decks shall be properly fastened to the scaffold structure and have no tipping ends. The decks shall be even with a design and surface that prevent them from becoming slippery, and they shall not have any openings through which materials, tools etc. can fall. They shall be sufficiently rigid to ensure satisfactory working conditions and security.Openings shall be secured with guardrails or solid covers.