脚手架

used scaffolding, sidewalk shed, sidewalk bridges, pipe scaffoldingScaffolding is a temporary platform constructed for reaching heights above arms reach for the purpose of building construction, maintenance, or repair. It is usually a modular system of metal pipes (termed tubes in Britain), although it can be made out of other materials. Scaffolding is generally made of lumber and steel which can range from simple to complex in design, depending on its use and purpose. Millions of construction workers, painters, and building maintenance crews work on scaffolding every day, and due to the nature of its use, scaffolding must be properly constructed and used to ensure the safety of those who use it.The U.S. Department of Labor Occupational Safety and Health Organization (OSHA) has very specific standards for the construction and use of scaffolding in the workplace, and many large commercial and government construction projects require all workers to have scaffold training and OSHA certification. Some of OSHAs regulations regarding construction of scaffolding include using specific types of lumber when not using steel, weight limitations based on the design of the scaffolding, and regular checks for weakened or broken sections. OSHA places stringent safety regulations on the construction and use of scaffolding not only to reduce serious workplace injury or death, but also to save employers millions in lost time and workers compensation. OSHA can issue fines to any company, large or small, that they find to be in violation of scaffolding regulations.Commercial construction accounts for the largest use of scaffolding, but even residential construction and home improvement projects can sometimes require scaffolding. Professional painters are equipped to quickly and properly construct scaffolding on the job, as are other professionals such as bricklayers and carpenters. Unfortunately, many homeowners attempt to construct scaffolding for personal use without the p