Factory prefabrication is adopted in a centrally located plant for the manufacture of standardized components on a long-term basis. The production unit has to work throughout the year preferably under a closed shed to avoid the effects of seasonal variations. The feasibility of the introduction of the latest manufacturing technique should be considered. Further, there should be some room for the possibility of introducing enhanced technology. To ensure continuous production, work has to be organized in a factory-like manner with support from a team of workmen.
The disadvantages of factory prefabrication are:
- Extra cost incurred while transportation.
- Limitation of the availability of transportation equipment for the size and shape of the prefabricated component and road contour.
- Employment of organized labour and their service benefits cause a huge establishment.
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