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                                         Information @ a Glance
General
  • The scaffolding  first appeared in the work of Wood, Bruner, and Ross as a vivid way to explain how mothers assist young children in performing new, complicated tasks, like walking, tying a shoe, or completing a puzzle.
  • Scaffolding is a temporary framework used to support people and material in the construction or repair of buildings and other large structures.

Process

  • The design of the scaffold shall take into account the following: The strength, stability and rigidity of the supporting structure; The handling normally associated with scaffolding; The safety of persons engaged in the erection, alteration and dismantling of the scaffold; The safety of persons using the scaffold; The safety of persons in the vicinity of the scaffold.
  • When scaffolding is designed, it shall be designed for the most adverse combination of dead loads, live loads and environmental loads that can reasonably be expected during the period that the scaffold is expected to be in service.

Technology

  • The mobile phone could act as a bridging or scaffolding technology in this learning process because people with low computer literacy, especially in developing countries, are more likely to own a mobile phone than a personal computer

  • The use of instructional scaffolds such as graphic organizers is particularly crucial in immersion settings where what content learners are required to process often represents a real cognitive as well as linguistic challenge.
  • The development of the technology for producing a 3D high-precision bio-scaffold for tissue regeneration has two basic requirements: a bio-scaffolding technology that can efficiently differentiate certain cells into specific tissues as desired, and materials technology to secure suitable biocompatible, biodegradable materials.

Market

  • The use of scaffolding varies widely from contracts of below £1,000 providing, for example, working access to a house, to contracts of several million pounds, often of several years duration, providing access to large industrial or petrochemical sites.

  • Estimates we have seen for the black economy element of the scaffolding market range from £25 million to £80 million, the equivalent of some 6 to 18 percent of our estimated size of the scaffolding market.

Report

  • Workers’ health and safety representatives from several construction sites reported instances of cracked welds in prefabricated scaffolding aluminum stair units, and expressed their concerns to Work Safe that this may compromise their structural integrity.
  • Each year, more than 60 workers are killed by falls from scaffolds, about 1 in 5 of the fatal falls in construction. Of these, about 10 deaths per year are from suspension scaffolds, and the rest mostly supported scaffolds.

  • Scaffolding collapses can be deadly and can result in multiple fatalities for construction workers. Unlike many other types of construction accidents, they can also affect the general public, and scaffolding collapses frequently are covered by local newspapers and TV. 

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