Scaffolds are erected of simply assembled constructions of metal or timber. On these frameworks, working platforms are positioned for simple accessibility to excessive elevations of a constructing or different construction below development or repair. There are two main classes of scaffolding, fastened and mobile.
Mounted Scaffolds
Mounted scaffolds are constructed alongside a constructing and may be both impartial or putlog. The impartial scaffold has requirements or uprights on each side of its working platforms. This enables the impartial scaffold to stay upright with out assist from the constructing below development or repair.
The putlog scaffold has requirements or uprights alongside its outer edges, however its inside aspect is supported by the construction or constructing itself. Putlogs have flattened ends which might be positioned between programs of brickwork within the constructing or edifice so as to add assist. The putlogs are used to assist a working platform. Unbiased scaffolds also needs to be secured or tied to the construction below repair or development at numerous intervals to lend assist to its total stability.