Estimation is the process of finding an estimate, or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable. The value is nonetheless usable because it is derived from the best information available.
It is processed by predicting the probable cost of a project by calculating material quantity and their costing with help of market rates before undertaking any construction project.
(Concreting +Masonry +Reinforcement +Carpentry +Roof works +Tiling works +Painting work +Scaffolding work ) Estimation
Ita good.