Scaffold Blank Are The Workers Qualified To Design Scaffolds

Study with quizlet and memorize flashcards containing terms like scaffold ____ are the workers qualified to design scaffolds, guardrails or personal fall arrest systems are required on. Study with quizlet and memorize flashcards containing terms like scaffold__ are the workers qualified to design scaffolds, guardrails or personal fall arrest system are required on scaffolds that:, ___ are encased in a protective housing that extends and retracts automatically, which. Scaffolds must be designed by a qualified person and be constructed and loaded in accordance with that design. A qualified person must do adequate preplanning to assure the safe erection.