| Scaffolding is a temporary framework used in the | | | | provide extra support to the boards. Main transoms will |
| construction or repair of high rise buildings and other | | | | be connected by intermediate transoms to provide |
| large structures. Usually scaffoldings are made using | | | | extra support to the boards as well as the |
| metal pipes or bamboos. Metal pipes are the preferred | | | | scaffoldings. |
| material, if the construction site is very high. In Britain, | | | | In order to become a scaffolding success, good |
| the metal used for scaffolding purpose are called | | | | foundations are absolutely essential. Even though |
| tubes. Bamboos are still popular in Asian countries due | | | | scaffoldings can be used without foundations, in some |
| to its easy availability and cost effectiveness. The | | | | conditions such as concrete or similar hard surfaces, it |
| main purpose of scaffolding structure is to provide a | | | | is highly recommended to use base place irrespective |
| safe working place for workers who are involved in | | | | of the condition of the floor. The working platform |
| working in high rise structures. | | | | should also meet the safety requirements. These |
| Other types of scaffolds are:- | | | | platforms must be close boarded, have enough space |
| - The birdcage | | | | and have double guard rails. Since almost all the |
| - Independent scaffold | | | | scaffoldings are dependent structures, the different |
| - Single pole scaffold | | | | frameworks used should be tied and fixed to provide |
| - Swingstage | | | | stability and security to the scaffoldings. |
| - Suspended scaffold | | | | Different types of ties such as through tie, box ties, lip |
| - Hanging bracket scaffold | | | | tie and anchor tie are used in the scaffold construction |
| - Cantilever scaffold | | | | in accordance with the nature of the structure. While |
| Scaffolding works are abide to certain safety | | | | constructing a scaffold, the supported scaffoldings |
| obligations and the minimum requirements are set out | | | | materials such as platforms, legs, poles, frames, |
| by the authorities. The key elements of a basic | | | | brackets, posts and other rigid supports also comes |
| scaffolds are:- Ledgers, Standards and Transoms. | | | | into the scenario. The most common and easy to use |
| Standards are vertical tubes which are used to | | | | scaffolding is the all purpose scaffolding unit. It consists |
| transfer the entire weight of the structure to the floor | | | | of one horizontal and two vertical cross bars, sockets |
| where the scaffold rests. These are also called | | | | couplings and ledger pipes. To ensure security, a |
| uprights. Ledgers are horizontal poles used to connect | | | | scaffold should be assembled in accordance with the |
| between standards. Transoms are always kept in the | | | | scaffold plan and installation. When selecting |
| way which make the right angle with the ledgers. It is a | | | | scaffolding, many things such as the shape, design and |
| common practice to place main transoms next to the | | | | location of the building should also be considered. |
| standards to hold the standards in place and to | | | | |