Good Morning Dude, as I previously mentioned in your quote, here I am giving you some examples as well as benefits for adopting a Hierarchical Structure for an Infrastructure company.
First, for the Site Level:
At each site level, there are various departments such as Civil, Mechanical, HR and IR, Accountant, Store, Operations, etc. Each department cannot be handled by the Head Office departments alone because this is not a sole project of the company. Only the Project Manager should be accountable to the Head Office. Each Site Department should be accountable to their respective Project Head only, not to the Head Office or Head Office departments.
Here are the benefits you can note:
1. Discipline can be maintained. For example, if everyone communicates/is accountable to the Head Office, no one may give importance to the Project Head's decisions because they might think they can explain their problems to their department at the HO rather than at the site level.
2. Accountability - If responsibility lies with the Project Head, the project can run smoothly, each person can play their role effectively, and policies can be implemented easily.
3. Partiality - Can minimize partiality.
4. Working politics will be minimal against one's immediate boss.
5. Work will be done on time.
And for the Head Office:
Here are the benefits you can note:
1. Discipline can be maintained.
2. Accountability will increase for each and every employee.
3. Partiality will be minimized.
4. Working politics will be minimal.
5. Lastly, all policies can be implemented and followed easily.
If you require more clarification, I will guide you.
Have a nice day.