What does the construction of steel sub sections mean? What is the difference between a sub branch and a branch? How to divide the sub items?
A division can be divided into a number of sub divisions, and the difference is that segments can include sub segments. Engineering is the smallest unit of item valuation, composed of many sub projects constitute engineering division,
Sub project: according to different construction methods, construction and specifications, the sub project will be divided into sub projects. Such as earthworks, steel works, water works in the cast iron pipes, steel pipes, valves and so on
Divisional Engineering: according to the type or main part of the project, the unit project is divided into sub project. Such as: basic engineering, main project, electrical engineering, ventilation engineering, etc.
