Question

which of the following need to happen before a tear - off can begin?
block drains
remove aggregate surfacing
make a plan to minimize foot traffic
all of the above

Explanation:

Blocking drains can prevent debris from entering and causing blockages during tear - off. Removing aggregate surfacing is a necessary preparatory step for tear - off work. Minimizing foot traffic helps in a smoother tear - off process and safety. So all these steps are needed before a tear - off can begin.

Answer:

D. All of the above