Justifying the project planning strategy of portmouthampton monument project

I need to have a project plan to go in the Appendix and after that in the 3000 words I need to justify and the method chosen to make this sort of project plan and why is it better than any other methods. by choosing any of the top-down approach, bottom-up approach, combination of approaches or the work breakdown structure (WBS) I need a convincing argument why this method i the best for this project.

I need to use some models that could be gantt charts images etc.

I really need a very good piece of paper and i do trust you that you will make me a very good one. if you need any additional information please let me know in order to make a good piece of work.