Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewerage systems, pipelines, structural components of buildings, and railways.Civil engineering is traditionally broken into a number of sub-disciplines. It is considered the second-oldest engineering discipline after military engineering and it is defined to distinguish non-military engineering from military engineering. Civil engineering takes place in the public sector from municipal through to national governments, and in the private sector from individual homeowners through to international companies.
When the height above floor level exceeds above 1.50 m, temporary structure, usually of Timber or steel, is erected close to work to provider safe working platform for the workers, on which work men can sit and carry the construction.The temporary frame work is known as scaffolding or simply a scaffod. Single scaffolding:- 1)Single scaffolding is usually used for brick masonry and so it is also known as brick layer's scaffolding. 2)Single scaffolding comprises of standards, putlogs, ledgers etc.which corresponds to the wall at a distance of around 1.2 m. Putlogs are positioned at a gap of 1.2 to 1.5 m. Double scaffolding:- 1)Stronger than single scaffolding. used in the construction of stone work framework is similar to single scaffolding except two rows and stand are provided. 2)The distance be...