CE PRACTICE EXAM 1 Case Study 2: Question 8 of 8

The question is The town intends to obtain LEED certification for the transportation hub as a LEED transit project.

Which of the following items must the contractor provide in order for the project to be considered for certification?

and the answer is : Excavation management plan

Generally I had a hard time understanding this case study- but this last question- I did not understand at all. Can you explain?

Thank you