As a state and federal investigation continues into the collapse of scaffolding at a downtown Raleigh high-rise Monday that killed three construction workers, crews on Thursday removed the rest of the ...

Supported scaffolds are built on the ground and come in standard lengths. When scaffolds reach a height-to-base ratio of 4:1 or greater, they must be restrained from tipping by OSHA-approved methods.

Scaffolding is used on construction or renovation worksites as a temporary structure to support and allow workers to perform their duties. It is often used off the ground, at raised or higher levels.

Many of Asia’s biggest cities owe their skylines to long bamboo poles that allow construction workers to climb to great heights. This type of scaffolding has been used for centuries in places like ...